![\"Cartoon](\"https:\/\/www.ez-knowledge.com\/wp-content\/uploads\/2026\/03\/sysml-state-machines-infographic-cartoon.jpg\"\/)
<\/figure>\n<\/div>\nHi\u1ec3u r\u00f5 m\u1ee5c \u0111\u00edch c\u1ed1t l\u00f5i \ud83c\udfd7\ufe0f<\/h2>\n
S\u01a1 \u0111\u1ed3 m\u00e1y tr\u1ea1ng th\u00e1i m\u00f4 t\u1ea3 c\u00e1c tr\u1ea1ng th\u00e1i kh\u1ea3 d\u0129 c\u1ee7a m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng v\u00e0 c\u00e1c s\u1ef1 ki\u1ec7n g\u00e2y ra chuy\u1ec3n ti\u1ebfp gi\u1eefa c\u00e1c tr\u1ea1ng th\u00e1i \u0111\u00f3. Kh\u00e1c v\u1edbi s\u01a1 \u0111\u1ed3 lu\u1ed3ng c\u00f4ng vi\u1ec7c, v\u1ed1n mi\u00eau t\u1ea3 lu\u1ed3ng qu\u00e1 tr\u00ecnh, m\u00e1y tr\u1ea1ng th\u00e1i theo d\u00f5i tr\u1ea1ng th\u00e1i c\u1ee7a m\u1ed9t th\u1ef1c th\u1ec3. S\u1ef1 ph\u00e2n bi\u1ec7t n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng m\u00e0 ng\u1eef c\u1ea3nh hi\u1ec7n t\u1ea1i quy\u1ebft \u0111\u1ecbnh c\u00e1c h\u00e0nh \u0111\u1ed9ng t\u01b0\u01a1ng lai. V\u00ed d\u1ee5, m\u1ed9t ph\u01b0\u01a1ng ti\u1ec7n t\u1ef1 h\u00e0nh ph\u1ea3i h\u00e0nh x\u1eed kh\u00e1c nhau t\u00f9y thu\u1ed9c v\u00e0o vi\u1ec7c n\u00f3 \u0111ang \u1edf tr\u1ea1ng th\u00e1i ‘\u0111\u1ed7 xe’ hay ‘\u0111ang l\u00e1i’.<\/p>\n
Khi x\u00e2y d\u1ef1ng c\u00e1c m\u00f4 h\u00ecnh n\u00e0y, m\u1ee5c ti\u00eau l\u00e0 s\u1ef1 r\u00f5 r\u00e0ng. M\u1ed9t m\u00e1y tr\u1ea1ng th\u00e1i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf t\u1ed1t s\u1ebd lo\u1ea1i b\u1ecf s\u1ef1 m\u01a1 h\u1ed3 v\u1ec1 c\u00e1ch h\u1ec7 th\u1ed1ng ph\u1ea3n \u1ee9ng v\u1edbi \u0111\u1ea7u v\u00e0o. N\u00f3 x\u00e1c \u0111\u1ecbnh v\u00f2ng \u0111\u1eddi c\u1ee7a m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng t\u1eeb l\u00fac t\u1ea1o \u0111\u1ebfn khi k\u1ebft th\u00fac. Vi\u1ec7c qu\u1ea3n l\u00fd v\u00f2ng \u0111\u1eddi n\u00e0y l\u00e0 thi\u1ebft y\u1ebfu \u0111\u1ec3 x\u00e1c minh r\u1eb1ng t\u1ea5t c\u1ea3 c\u00e1c t\u00ecnh hu\u1ed1ng ho\u1ea1t \u0111\u1ed9ng \u0111\u1ec1u \u0111\u01b0\u1ee3c bao ph\u1ee7. N\u1ebfu kh\u00f4ng c\u00f3 \u0111i\u1ec1u n\u00e0y, nh\u1eefng kho\u1ea3ng tr\u1ed1ng trong logic c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn s\u1ef1 c\u1ed1 h\u1ec7 th\u1ed1ng khi tri\u1ec3n khai.<\/p>\n
T\u1ea1i sao m\u00e1y tr\u1ea1ng th\u00e1i l\u1ea1i quan tr\u1ecdng<\/h3>\n\n- \n
R\u00f5 r\u00e0ng:<\/strong>Bi\u1ec3u di\u1ec5n tr\u1ef1c quan gi\u1ea3m t\u1ea3i nh\u1eadn th\u1ee9c khi ph\u00e2n t\u00edch logic ph\u1ee9c t\u1ea1p.<\/p>\n<\/li>\n- \n
X\u00e1c minh:<\/strong>Cho ph\u00e9p m\u00f4 ph\u1ecfng v\u00e0 ki\u1ec3m tra t\u1ea5t c\u1ea3 c\u00e1c \u0111\u01b0\u1eddng \u0111i kh\u1ea3 d\u0129.<\/p>\n<\/li>\n- \n
T\u00e0i li\u1ec7u:<\/strong>Ph\u1ee5c v\u1ee5 nh\u01b0 ngu\u1ed3n th\u00f4ng tin duy nh\u1ea5t \u0111\u00e1ng tin c\u1eady cho c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n v\u00e0 k\u1ef9 s\u01b0.<\/p>\n<\/li>\n- \n
T\u00ednh nh\u1ea5t qu\u00e1n:<\/strong>\u0110\u1ea3m b\u1ea3o c\u00e1c quy t\u1eafc h\u00e0nh vi \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng \u0111\u1ed3ng \u0111\u1ec1u tr\u00ean to\u00e0n h\u1ec7 th\u1ed1ng.<\/p>\n<\/li>\n<\/ul>\nX\u00e1c \u0111\u1ecbnh c\u00e1c th\u00e0nh ph\u1ea7n c\u01a1 b\u1ea3n \u2699\ufe0f<\/h2>\n
\u0110\u1ec3 x\u00e2y d\u1ef1ng m\u1ed9t m\u00e1y tr\u1ea1ng th\u00e1i, b\u1ea1n ph\u1ea3i hi\u1ec3u r\u00f5 c\u00e1c kh\u1ed1i x\u00e2y d\u1ef1ng nguy\u00ean t\u1eed. M\u1ed7i th\u00e0nh ph\u1ea7n \u0111\u1ec1u c\u00f3 ch\u1ee9c n\u0103ng c\u1ee5 th\u1ec3 trong lu\u1ed3ng logic. Vi\u1ec7c s\u1eed d\u1ee5ng sai c\u00e1c th\u00e0nh ph\u1ea7n n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u00e1c m\u00f4 h\u00ecnh kh\u00f3 b\u1ea3o tr\u00ec ho\u1eb7c kh\u00f3 hi\u1ec3u.<\/p>\n
Tr\u1ea1ng th\u00e1i<\/h3>\n
C\u00e1c tr\u1ea1ng th\u00e1i \u0111\u1ea1i di\u1ec7n cho m\u1ed9t \u0111i\u1ec1u ki\u1ec7n ho\u1eb7c t\u00ecnh hu\u1ed1ng trong \u0111\u00f3 m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng th\u1ecfa m\u00e3n m\u1ed9t \u0111i\u1ec1u ki\u1ec7n nh\u1ea5t \u0111\u1ecbnh, th\u1ef1c hi\u1ec7n m\u1ed9t ho\u1ea1t \u0111\u1ed9ng n\u00e0o \u0111\u00f3 ho\u1eb7c ch\u1edd \u0111\u1ee3i m\u1ed9t s\u1ef1 ki\u1ec7n n\u00e0o \u0111\u00f3. Ch\u00fang l\u00e0 c\u00e1c n\u00fat trong \u0111\u1ed3 th\u1ecb. C\u00e1c tr\u1ea1ng th\u00e1i c\u00f3 th\u1ec3 l\u00e0 \u0111\u01a1n gi\u1ea3n ho\u1eb7c h\u1ee3p th\u00e0nh.<\/p>\n
\n- \n
Tr\u1ea1ng th\u00e1i \u0111\u01a1n gi\u1ea3n:<\/strong> M\u1ed9t tr\u1ea1ng th\u00e1i kh\u00f4ng c\u00f3 c\u1ea5u tr\u00fac b\u00ean trong.<\/p>\n<\/li>\n- \n
Tr\u1ea1ng th\u00e1i h\u1ee3p th\u00e0nh:<\/strong> M\u1ed9t tr\u1ea1ng th\u00e1i ch\u1ee9a m\u00e1y tr\u1ea1ng th\u00e1i n\u1ed9i b\u1ed9 ri\u00eang c\u1ee7a n\u00f3. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p l\u1ed3ng gh\u00e9p, qu\u1ea3n l\u00fd \u0111\u1ed9 ph\u1ee9c t\u1ea1p b\u1eb1ng c\u00e1ch chia nh\u1ecf c\u00e1c h\u00e0nh vi l\u1edbn th\u00e0nh c\u00e1c h\u00e0nh vi con d\u1ec5 qu\u1ea3n l\u00fd.<\/p>\n<\/li>\n- \n
Tr\u1ea1ng th\u00e1i k\u1ebft th\u00fac:<\/strong> \u0110\u00e1nh d\u1ea5u \u0111i\u1ec3m k\u1ebft th\u00fac c\u1ee7a v\u00f2ng \u0111\u1eddi. C\u00f3 th\u1ec3 c\u00f3 nhi\u1ec1u tr\u1ea1ng th\u00e1i k\u1ebft th\u00fac, nh\u01b0ng m\u1ed7i \u0111\u01b0\u1eddng chuy\u1ec3n ti\u1ebfp n\u00ean d\u1eabn \u0111\u1ebfn m\u1ed9t tr\u1ea1ng th\u00e1i duy nh\u1ea5t.<\/p>\n<\/li>\n<\/ul>\nChuy\u1ec3n ti\u1ebfp<\/h3>\n
C\u00e1c chuy\u1ec3n ti\u1ebfp k\u1ebft n\u1ed1i c\u00e1c tr\u1ea1ng th\u00e1i. Ch\u00fang \u0111\u1ea1i di\u1ec7n cho s\u1ef1 di chuy\u1ec3n t\u1eeb m\u1ed9t \u0111i\u1ec1u ki\u1ec7n n\u00e0y sang \u0111i\u1ec1u ki\u1ec7n kh\u00e1c. M\u1ed9t chuy\u1ec3n ti\u1ebfp \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t b\u1edfi m\u1ed9t s\u1ef1 ki\u1ec7n, mi\u1ec5n l\u00e0 c\u00e1c \u0111i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7 li\u00ean quan \u0111\u01b0\u1ee3c th\u1ecfa m\u00e3n. Khi chuy\u1ec3n ti\u1ebfp x\u1ea3y ra, c\u00e1c h\u00e0nh \u0111\u1ed9ng \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a tr\u00ean chuy\u1ec3n ti\u1ebfp s\u1ebd \u0111\u01b0\u1ee3c th\u1ef1c thi.<\/p>\n
S\u1ef1 ki\u1ec7n<\/h3>\n
C\u00e1c s\u1ef1 ki\u1ec7n l\u00e0 c\u00e1c t\u00e1c nh\u00e2n k\u00edch ho\u1ea1t chuy\u1ec3n ti\u1ebfp. Ch\u00fang c\u00f3 th\u1ec3 l\u00e0 s\u1ef1 ki\u1ec7n t\u00edn hi\u1ec7u, s\u1ef1 ki\u1ec7n g\u1ecdi, s\u1ef1 ki\u1ec7n thay \u0111\u1ed5i ho\u1eb7c s\u1ef1 ki\u1ec7n th\u1eddi gian. M\u1ed9t s\u1ef1 ki\u1ec7n kh\u00f4ng t\u1ef1 th\u1ef1c thi logic; n\u00f3 kh\u1edfi t\u1ea1o qu\u00e1 tr\u00ecnh chuy\u1ec3n ti\u1ebfp.<\/p>\n
X\u00e2y d\u1ef1ng lu\u1ed3ng logic \ud83d\udee3\ufe0f<\/h2>\n
Vi\u1ec7c x\u00e2y d\u1ef1ng m\u00f4 h\u00ecnh h\u00e0nh vi bao g\u1ed3m vi\u1ec7c k\u1ebft n\u1ed1i c\u00e1c tr\u1ea1ng th\u00e1i v\u1edbi c\u00e1c chuy\u1ec3n ti\u1ebfp. Ph\u1ea7n n\u00e0y chi ti\u1ebft c\u00e1c thu\u1ed9c t\u00ednh c\u1ee5 th\u1ec3 \u0111i\u1ec1u khi\u1ec3n c\u00e1ch m\u1ed9t chuy\u1ec3n ti\u1ebfp \u0111\u01b0\u1ee3c th\u1ef1c thi.<\/p>\n
K\u00edch ho\u1ea1t v\u00e0 \u0110i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7<\/h3>\n
M\u1ed9t chuy\u1ec3n ti\u1ebfp th\u01b0\u1eddng bao g\u1ed3m m\u1ed9t s\u1ef1 ki\u1ec7n k\u00edch ho\u1ea1t. \u0110\u00e2y l\u00e0 s\u1ef1 ki\u1ec7n khi\u1ebfn h\u1ec7 th\u1ed1ng th\u1ee9c t\u1ec9nh \u0111\u1ec3 xem x\u00e9t vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i. Tuy nhi\u00ean, vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng l\u00e0 ph\u1ea3n \u1ee9ng \u0111\u00fang \u0111\u1eafn. C\u00e1c \u0111i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 b\u1ed9 l\u1ecdc. M\u1ed9t \u0111i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7 l\u00e0 m\u1ed9t bi\u1ec3u th\u1ee9c logic ph\u1ea3i c\u00f3 gi\u00e1 tr\u1ecb \u0111\u00fang \u0111\u1ec3 chuy\u1ec3n ti\u1ebfp \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t.<\/p>\n
\n\n \n\n\nY\u1ebfu t\u1ed1<\/p>\n<\/th>\n
\nCh\u1ee9c n\u0103ng<\/p>\n<\/th>\n
\nV\u00ed d\u1ee5<\/p>\n<\/th>\n<\/tr>\n
\n\nK\u00edch ho\u1ea1t<\/p>\n<\/td>\n
\nKh\u1edfi t\u1ea1o chuy\u1ec3n ti\u1ebfp<\/p>\n<\/td>\n
\nN\u00fat \u0111\u01b0\u1ee3c nh\u1ea5n<\/p>\n<\/td>\n<\/tr>\n
\n\n\u0110i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7<\/p>\n<\/td>\n
\nX\u00e1c minh c\u00e1c \u0111i\u1ec1u ki\u1ec7n<\/p>\n<\/td>\n
\n[m\u1ee9c_pin > 20%]<\/p>\n<\/td>\n<\/tr>\n
\n\nH\u00e0nh \u0111\u1ed9ng<\/p>\n<\/td>\n
\nTh\u1ef1c thi trong qu\u00e1 tr\u00ecnh chuy\u1ec3n ti\u1ebfp<\/p>\n<\/td>\n
\nlog_entry()<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
H\u00e3y xem x\u00e9t m\u1ed9t t\u00ecnh hu\u1ed1ng m\u00e0 h\u1ec7 th\u1ed1ng chuy\u1ec3n sang ch\u1ebf \u0111\u1ed9 \u201cB\u1ea3o tr\u00ec\u201d. S\u1ef1 ki\u1ec7n k\u00edch ho\u1ea1t c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t l\u1ec7nh t\u1eeb ng\u01b0\u1eddi v\u1eadn h\u00e0nh. Tuy nhi\u00ean, \u0111i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7 c\u00f3 th\u1ec3 y\u00eau c\u1ea7u h\u1ec7 th\u1ed1ng kh\u00f4ng \u0111ang th\u1ef1c hi\u1ec7n nhi\u1ec7m v\u1ee5 quan tr\u1ecdng n\u00e0o \u0111\u00f3. S\u1ef1 t\u00e1ch bi\u1ec7t gi\u1eefa s\u1ef1 ki\u1ec7n k\u00edch ho\u1ea1t v\u00e0 \u0111i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7 \u0111\u1ea3m b\u1ea3o logic v\u1eefng ch\u1eafc.<\/p>\n
Ho\u1ea1t \u0111\u1ed9ng n\u1ed9i b\u1ed9<\/h3>\n
Kh\u00f4ng ph\u1ea3i m\u1ecdi thay \u0111\u1ed5i n\u00e0o c\u0169ng y\u00eau c\u1ea7u chuy\u1ec3n ti\u1ebfp. \u0110\u00f4i khi, m\u1ed9t s\u1ef1 ki\u1ec7n x\u1ea3y ra, nh\u01b0ng h\u1ec7 th\u1ed1ng v\u1eabn \u1edf tr\u1ea1ng th\u00e1i hi\u1ec7n t\u1ea1i trong khi th\u1ef1c hi\u1ec7n m\u1ed9t h\u00e0nh \u0111\u1ed9ng. \u0110i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1edfi c\u00e1c ho\u1ea1t \u0111\u1ed9ng n\u1ed9i b\u1ed9. C\u00e1c ho\u1ea1t \u0111\u1ed9ng n\u1ed9i b\u1ed9 \u0111\u01b0\u1ee3c x\u1eed l\u00fd m\u00e0 kh\u00f4ng r\u1eddi kh\u1ecfi tr\u1ea1ng th\u00e1i hi\u1ec7n t\u1ea1i, ngh\u0129a l\u00e0 c\u00e1c h\u00e0nh \u0111\u1ed9ng nh\u1eadp v\u00e0 xu\u1ea5t kh\u00f4ng \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t.<\/p>\n
\n- \n
H\u00e0nh \u0111\u1ed9ng nh\u1eadp:<\/strong> \u0110\u01b0\u1ee3c th\u1ef1c thi ngay l\u1eadp t\u1ee9c khi v\u00e0o tr\u1ea1ng th\u00e1i.<\/p>\n<\/li>\n- \n
H\u00e0nh \u0111\u1ed9ng xu\u1ea5t:<\/strong> \u0110\u01b0\u1ee3c th\u1ef1c thi ngay l\u1eadp t\u1ee9c tr\u01b0\u1edbc khi r\u1eddi kh\u1ecfi tr\u1ea1ng th\u00e1i.<\/p>\n<\/li>\n- \n
H\u00e0nh \u0111\u1ed9ng th\u1ef1c hi\u1ec7n:<\/strong> M\u1ed9t ho\u1ea1t \u0111\u1ed9ng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n khi \u1edf tr\u1ea1ng th\u00e1i. Ho\u1ea1t \u0111\u1ed9ng n\u00e0y ti\u1ebfp t\u1ee5c cho \u0111\u1ebfn khi m\u1ed9t s\u1ef1 ki\u1ec7n k\u00edch ho\u1ea1t chuy\u1ec3n ti\u1ebfp ho\u1eb7c ho\u1ea1t \u0111\u1ed9ng ho\u00e0n t\u1ea5t.<\/p>\n<\/li>\n<\/ul>\nQu\u1ea3n l\u00fd \u0111\u1ed9 ph\u1ee9c t\u1ea1p v\u1edbi l\u1ecbch s\u1eed \ud83e\udde0<\/h2>\n
Khi h\u1ec7 th\u1ed1ng ph\u00e1t tri\u1ec3n, c\u00e1c m\u00e1y tr\u1ea1ng th\u00e1i c\u00f3 th\u1ec3 tr\u1edf n\u00ean kh\u00f3 ki\u1ec3m so\u00e1t. Vi\u1ec7c l\u1ed3ng gh\u00e9p s\u00e2u v\u00e0 nhi\u1ec1u chuy\u1ec3n ti\u1ebfp t\u1ea1o th\u00e0nh m\u1ed9t m\u1ea1ng l\u01b0\u1edbi kh\u00f3 theo d\u00f5i. C\u00e1c tr\u1ea1ng th\u00e1i l\u1ecbch s\u1eed cung c\u1ea5p gi\u1ea3i ph\u00e1p cho v\u1ea5n \u0111\u1ec1 n\u00e0y b\u1eb1ng c\u00e1ch l\u01b0u gi\u1eef tr\u1ea1ng th\u00e1i c\u1ee7a m\u1ed9t tr\u1ea1ng th\u00e1i t\u1ed5ng h\u1ee3p.<\/p>\n
L\u1ecbch s\u1eed n\u00f4ng vs. L\u1ecbch s\u1eed s\u00e2u<\/h3>\n
C\u00e1c tr\u1ea1ng th\u00e1i l\u1ecbch s\u1eed cho ph\u00e9p h\u1ec7 th\u1ed1ng nh\u1edb l\u1ea1i n\u01a1i n\u00f3 \u0111\u00e3 d\u1eebng l\u1ea1i. C\u00f3 hai lo\u1ea1i ri\u00eang bi\u1ec7t:<\/p>\n
\n- \n
L\u1ecbch s\u1eed n\u00f4ng:<\/strong>Ch\u1ec9 ra r\u1eb1ng tr\u1ea1ng th\u00e1i t\u1ed5ng h\u1ee3p tr\u01b0\u1edbc \u0111\u00f3 \u0111\u00e3 ho\u1ea1t \u0111\u1ed9ng. N\u00f3 kh\u00f4i ph\u1ee5c tr\u1ea1ng th\u00e1i v\u1ec1 tr\u1ea1ng th\u00e1i con ho\u1ea1t \u0111\u1ed9ng cu\u1ed1i c\u00f9ng, nh\u01b0ng ch\u1ec9 \u1edf m\u1ee9c \u0111\u1ed9 s\u00e2u nh\u1ea5t l\u00e0 m\u1ed9t c\u1ea5p.<\/p>\n<\/li>\n- \n
L\u1ecbch s\u1eed s\u00e2u:<\/strong>Kh\u00f4i ph\u1ee5c tr\u1ea1ng th\u00e1i ch\u00ednh x\u00e1c c\u1ee7a m\u00e1y t\u1ed5ng h\u1ee3p. \u0110i\u1ec1u n\u00e0y bao g\u1ed3m tr\u1ea1ng th\u00e1i con ho\u1ea1t \u0111\u1ed9ng cu\u1ed1i c\u00f9ng v\u00e0 b\u1ea5t k\u1ef3 tr\u1ea1ng th\u00e1i con l\u1ed3ng gh\u00e9p n\u00e0o b\u00ean trong n\u00f3.<\/p>\n<\/li>\n<\/ul>\nS\u1eed d\u1ee5ng c\u00e1c tr\u1ea1ng th\u00e1i l\u1ecbch s\u1eed \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch trong c\u00e1c h\u1ec7 th\u1ed1ng t\u1ea1m d\u1eebng v\u00e0 ti\u1ebfp t\u1ee5c thao t\u00e1c. N\u1ebfu m\u1ed9t h\u1ec7 th\u1ed1ng b\u1ecb t\u1ea1m d\u1eebng v\u00e0 sau \u0111\u00f3 \u0111\u01b0\u1ee3c ti\u1ebfp t\u1ee5c, tr\u1ea1ng th\u00e1i l\u1ecbch s\u1eed s\u00e2u \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng quay tr\u1edf l\u1ea1i \u0111\u00fang \u0111i\u1ec3m t\u1ea1m d\u1eebng, thay v\u00ec thi\u1ebft l\u1eadp l\u1ea1i t\u1eeb \u0111\u1ea7u.<\/p>\n
Chi\u1ebfn l\u01b0\u1ee3c tri\u1ec3n khai<\/h3>\n
Khi t\u00edch h\u1ee3p tr\u1ea1ng th\u00e1i l\u1ecbch s\u1eed, h\u00e3y \u0111\u1ea3m b\u1ea3o \u0111i\u1ec3m v\u00e0o c\u1ee7a tr\u1ea1ng th\u00e1i l\u1ecbch s\u1eed l\u00e0 r\u00f5 r\u00e0ng. S\u1ef1 m\u01a1 h\u1ed3 \u1edf \u0111\u00e2y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn h\u00e0nh vi kh\u00f4ng th\u1ec3 d\u1ef1 \u0111o\u00e1n trong qu\u00e1 tr\u00ecnh m\u00f4 ph\u1ecfng. Lu\u00f4n ghi ch\u00fa l\u00fd do s\u1eed d\u1ee5ng tr\u1ea1ng th\u00e1i l\u1ecbch s\u1eed. C\u00f3 ph\u1ea3i \u0111\u1ec3 hi\u1ec7u qu\u1ea3? Hay \u0111\u1ec3 duy tr\u00ec tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng? M\u1ee5c \u0111\u00edch r\u00f5 r\u00e0ng s\u1ebd h\u1ed7 tr\u1ee3 nh\u1eefng ng\u01b0\u1eddi b\u1ea3o tr\u00ec trong t\u01b0\u01a1ng lai.<\/p>\n
X\u1eed l\u00fd t\u00ednh \u0111\u1ed3ng th\u1eddi v\u1edbi c\u00e1c v\u00f9ng \ud83c\udf10<\/h2>\n
C\u00e1c h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p th\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng \u1edf nhi\u1ec1u ch\u1ebf \u0111\u1ed9 \u0111\u1ed3ng th\u1eddi. M\u1ed9t m\u00e1y tr\u1ea1ng th\u00e1i \u0111\u01a1n l\u1ebb kh\u00f4ng th\u1ec3 d\u1ec5 d\u00e0ng bi\u1ec3u di\u1ec5n c\u00e1c qu\u00e1 tr\u00ecnh song song. SysML gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y th\u00f4ng qua c\u00e1c v\u00f9ng.<\/p>\n
C\u00e1c v\u00f9ng song song<\/h3>\n
C\u00e1c v\u00f9ng chia m\u1ed9t tr\u1ea1ng th\u00e1i t\u1ed5ng h\u1ee3p th\u00e0nh c\u00e1c m\u00e1y tr\u1ea1ng th\u00e1i con \u0111\u1ed9c l\u1eadp. C\u00e1c m\u00e1y tr\u1ea1ng th\u00e1i con n\u00e0y ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed3ng th\u1eddi. M\u1ed9t chuy\u1ec3n ti\u1ebfp trong m\u1ed9t v\u00f9ng kh\u00f4ng l\u00e0m ch\u1eb7n c\u00e1c chuy\u1ec3n ti\u1ebfp trong v\u00f9ng kh\u00e1c. \u0110i\u1ec1u n\u00e0y t\u01b0\u01a1ng t\u1ef1 nh\u01b0 \u0111a lu\u1ed3ng trong k\u1ef9 thu\u1eadt ph\u1ea7n m\u1ec1m.<\/p>\n
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Chia t\u00e1ch:<\/strong>Chia m\u00e1y tr\u1ea1ng th\u00e1i th\u00e0nh c\u00e1c v\u00f9ng logic d\u1ef1a tr\u00ean c\u00e1c h\u00e0nh vi \u0111\u1ed9c l\u1eadp.<\/p>\n<\/li>\n- \n
\u0110\u1ed9c l\u1eadp:<\/strong>S\u1ef1 ki\u1ec7n trong m\u1ed9t v\u00f9ng kh\u00f4ng t\u1ef1 nhi\u00ean \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c v\u00f9ng kh\u00e1c tr\u1eeb khi \u0111\u01b0\u1ee3c li\u00ean k\u1ebft r\u00f5 r\u00e0ng.<\/p>\n<\/li>\n- \n
\u0110\u1ed3ng b\u1ed9 h\u00f3a:<\/strong>S\u1eed d\u1ee5ng c\u00e1c \u0111i\u1ec3m v\u00e0o v\u00e0 ra \u0111\u1ec3 ph\u1ed1i h\u1ee3p gi\u1eefa c\u00e1c v\u00f9ng khi c\u1ea7n thi\u1ebft.<\/p>\n<\/li>\n<\/ul>\nV\u00ed d\u1ee5 t\u00ecnh hu\u1ed1ng<\/h3>\n
H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng m\u1ed9t h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n drone. M\u1ed9t v\u00f9ng x\u1eed l\u00fd \u201c\u0110i\u1ec1u khi\u1ec3n bay\u201d, qu\u1ea3n l\u00fd \u0111\u1ed9 cao v\u00e0 v\u1ecb tr\u00ed. V\u00f9ng kh\u00e1c x\u1eed l\u00fd \u201cK\u1ebft n\u1ed1i\u201d, qu\u1ea3n l\u00fd d\u1eef li\u1ec7u truy\u1ec1n v\u00e0 nh\u1eadn l\u1ec7nh. Ch\u00fang ho\u1ea1t \u0111\u1ed9ng song song. N\u1ebfu \u0111\u01b0\u1eddng truy\u1ec1n k\u1ebft n\u1ed1i b\u1ecb m\u1ea5t, v\u00f9ng \u201c\u0110i\u1ec1u khi\u1ec3n bay\u201d c\u00f3 th\u1ec3 k\u00edch ho\u1ea1t h\u00e0nh \u0111\u1ed9ng \u201cTr\u1edf v\u1ec1 nh\u00e0\u201d m\u00e0 kh\u00f4ng l\u00e0m d\u1eebng vi\u1ec7c ghi nh\u1eadt k\u00fd d\u1eef li\u1ec7u truy\u1ec1n trong v\u00f9ng k\u1ebft n\u1ed1i.<\/p>\n
K\u1ebft n\u1ed1i h\u00e0nh vi v\u1edbi c\u1ea5u tr\u00fac \ud83d\udd17<\/h2>\n
M\u1ed9t m\u00e1y tr\u1ea1ng th\u00e1i kh\u00f4ng t\u1ed3n t\u1ea1i trong kho\u1ea3ng tr\u1ed1ng. N\u00f3 m\u00f4 t\u1ea3 h\u00e0nh vi c\u1ee7a m\u1ed9t kh\u1ed1i ho\u1eb7c b\u1ed9 ph\u1eadn c\u1ee5 th\u1ec3. Vi\u1ec7c li\u00ean k\u1ebft m\u00e1y tr\u1ea1ng th\u00e1i v\u1edbi s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng truy xu\u1ea5t ngu\u1ed3n g\u1ed1c.<\/p>\n
B\u1ed1i c\u1ea3nh m\u00e1y tr\u1ea1ng th\u00e1i<\/h3>\n
M\u1ed7i m\u00e1y tr\u1ea1ng th\u00e1i ph\u1ea3i thu\u1ed9c v\u1ec1 m\u1ed9t b\u1ed1i c\u1ea3nh. B\u1ed1i c\u1ea3nh n\u00e0y th\u01b0\u1eddng l\u00e0 m\u1ed9t kh\u1ed1i ho\u1eb7c m\u1ed9t b\u1ed9 ph\u1eadn. B\u1ed1i c\u1ea3nh x\u00e1c \u0111\u1ecbnh ph\u1ea1m vi h\u00e0nh vi. V\u00ed d\u1ee5, m\u1ed9t kh\u1ed1i \u201cPin\u201d c\u00f3 th\u1ec3 c\u00f3 m\u1ed9t m\u00e1y tr\u1ea1ng th\u00e1i m\u00f4 t\u1ea3 m\u1ee9c \u0111\u1ed9 s\u1ea1c c\u1ee7a n\u00f3. M\u1ed9t kh\u1ed1i \u201cPh\u01b0\u01a1ng ti\u1ec7n\u201d c\u00f3 th\u1ec3 c\u00f3 m\u1ed9t m\u00e1y tr\u1ea1ng th\u00e1i m\u00f4 t\u1ea3 c\u00e1c ch\u1ebf \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a n\u00f3.<\/p>\n
C\u1ed5ng v\u00e0 giao di\u1ec7n<\/h3>\n
C\u00e1c chuy\u1ec3n ti\u1ebfp th\u01b0\u1eddng t\u01b0\u01a1ng t\u00e1c v\u1edbi m\u00f4i tr\u01b0\u1eddng b\u00ean ngo\u00e0i. T\u01b0\u01a1ng t\u00e1c n\u00e0y \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd th\u00f4ng qua c\u00e1c c\u1ed5ng v\u00e0 giao di\u1ec7n. M\u1ed9t m\u00e1y tr\u1ea1ng th\u00e1i c\u00f3 th\u1ec3 g\u1eedi t\u00edn hi\u1ec7u ra ho\u1eb7c nh\u1eadn t\u00edn hi\u1ec7u v\u00e0o th\u00f4ng qua c\u00e1c k\u1ebft n\u1ed1i n\u00e0y. X\u00e1c \u0111\u1ecbnh c\u00e1c giao di\u1ec7n n\u00e0y ch\u00ednh x\u00e1c \u0111\u1ea3m b\u1ea3o m\u00f4 h\u00ecnh h\u00e0nh vi c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u00e0o ki\u1ebfn tr\u00fac h\u1ec7 th\u1ed1ng l\u1edbn h\u01a1n.<\/p>\n
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Giao di\u1ec7n y\u00eau c\u1ea7u:<\/strong>Ch\u1ec9 ra \u0111i\u1ec1u m\u00e0 m\u00e1y tr\u1ea1ng th\u00e1i c\u1ea7n t\u1eeb m\u00f4i tr\u01b0\u1eddng c\u1ee7a n\u00f3.<\/p>\n<\/li>\n- \n
Giao di\u1ec7n cung c\u1ea5p:<\/strong>Ch\u1ec9 ra \u0111i\u1ec1u m\u00e0 m\u00e1y tr\u1ea1ng th\u00e1i cung c\u1ea5p cho m\u00f4i tr\u01b0\u1eddng.<\/p>\n<\/li>\n<\/ul>\nKi\u1ec3m tra x\u00e1c th\u1ef1c v\u00e0 t\u00ednh nh\u1ea5t qu\u00e1n \u2705<\/h2>\n
Sau khi m\u00f4 h\u00ecnh \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng, n\u00f3 ph\u1ea3i \u0111\u01b0\u1ee3c x\u00e1c th\u1ef1c. M\u1ed9t m\u00f4 h\u00ecnh tr\u00f4ng t\u1ed1t v\u1ec1 m\u1eb7t th\u1ecb gi\u00e1c v\u1eabn c\u00f3 th\u1ec3 ch\u1ee9a l\u1ed7i logic. Ki\u1ec3m tra x\u00e1c th\u1ef1c \u0111\u1ea3m b\u1ea3o h\u00e0nh vi l\u00e0 h\u1ee3p l\u00fd.<\/p>\n
Ph\u00e2n t\u00edch kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn<\/h3>\n
Ki\u1ec3m tra xem m\u1ed7i tr\u1ea1ng th\u00e1i c\u00f3 th\u1ec3 ti\u1ebfp c\u1eadn \u0111\u01b0\u1ee3c t\u1eeb tr\u1ea1ng th\u00e1i ban \u0111\u1ea7u hay kh\u00f4ng. C\u00e1c tr\u1ea1ng th\u00e1i ch\u1ebft (tr\u1ea1ng th\u00e1i kh\u00f4ng th\u1ec3 v\u00e0o \u0111\u01b0\u1ee3c) cho th\u1ea5y l\u1ed7i m\u00f4 h\u00ecnh h\u00f3a. Ng\u01b0\u1ee3c l\u1ea1i, h\u00e3y \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u1ed7i tr\u1ea1ng th\u00e1i cu\u1ed1i c\u00f9ng c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u1ebfn tr\u1ea1ng th\u00e1i k\u1ebft th\u00fac ho\u1eb7c \u0111i\u1ec1u ki\u1ec7n \u1ed5n \u0111\u1ecbnh. C\u00e1c v\u00f2ng l\u1eb7p v\u00f4 h\u1ea1n ph\u1ea3i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf c\u00f3 ch\u1ee7 \u0111\u00edch v\u00e0 \u0111\u01b0\u1ee3c ghi ch\u00fa r\u00f5 r\u00e0ng.<\/p>\n
Bao ph\u1ee7 s\u1ef1 ki\u1ec7n<\/h3>\n
V\u1edbi m\u1ed7i tr\u1ea1ng th\u00e1i, x\u00e1c \u0111\u1ecbnh \u0111i\u1ec1u g\u00ec x\u1ea3y ra n\u1ebfu m\u1ed9t s\u1ef1 ki\u1ec7n b\u1ea5t ng\u1edd x\u1ea3y ra. N\u1ebfu kh\u00f4ng \u0111\u1ecbnh ngh\u0129a chuy\u1ec3n ti\u1ebfp cho m\u1ed9t s\u1ef1 ki\u1ec7n c\u1ee5 th\u1ec3, h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 d\u1eebng ho\u1ea1t \u0111\u1ed9ng ho\u1eb7c chuy\u1ec3n v\u00e0o tr\u1ea1ng th\u00e1i kh\u00f4ng x\u00e1c \u0111\u1ecbnh. X\u00e1c \u0111\u1ecbnh h\u00e0nh vi m\u1eb7c \u0111\u1ecbnh ho\u1eb7c c\u00e1c tr\u1ea1ng th\u00e1i x\u1eed l\u00fd ngo\u1ea1i l\u1ec7 \u0111\u1ec3 qu\u1ea3n l\u00fd c\u00e1c t\u00ecnh hu\u1ed1ng n\u00e0y.<\/p>\n
Kh\u1ea3 n\u0103ng truy xu\u1ea5t ngu\u1ed3n g\u1ed1c<\/h3>\n
Li\u00ean k\u1ebft c\u00e1c th\u00e0nh ph\u1ea7n m\u00e1y tr\u1ea1ng th\u00e1i v\u1edbi y\u00eau c\u1ea7u. N\u1ebfu m\u1ed9t y\u00eau c\u1ea7u n\u00eau r\u00f5 \u201cH\u1ec7 th\u1ed1ng ph\u1ea3i t\u1eaft n\u1ebfu nhi\u1ec7t \u0111\u1ed9 v\u01b0\u1ee3t qu\u00e1 X\u201d, th\u00ec trong m\u00f4 h\u00ecnh ph\u1ea3i c\u00f3 tr\u1ea1ng th\u00e1i ho\u1eb7c chuy\u1ec3n ti\u1ebfp t\u01b0\u01a1ng \u1ee9ng. Kh\u1ea3 n\u0103ng truy xu\u1ea5t ngu\u1ed3n g\u1ed1c n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c quy tr\u00ecnh ch\u1ee9ng nh\u1eadn v\u00e0 tu\u00e2n th\u1ee7.<\/p>\n
C\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t cho m\u00f4 h\u00ecnh h\u00f3a b\u1ec1n v\u1eefng \ud83d\udcdd<\/h2>\n
\u0110\u1ec3 duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng m\u00f4 h\u00ecnh theo th\u1eddi gian, tu\u00e2n theo c\u00e1c th\u1ef1c h\u00e0nh sau.<\/p>\n
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Gi\u1eef \u0111\u01a1n gi\u1ea3n:<\/strong>Tr\u00e1nh l\u1ed3ng gh\u00e9p kh\u00f4ng c\u1ea7n thi\u1ebft. N\u1ebfu m\u1ed9t tr\u1ea1ng th\u00e1i h\u1ee3p th\u00e0nh tr\u1edf n\u00ean qu\u00e1 l\u1edbn, h\u00e3y c\u00e2n nh\u1eafc chia n\u00f3 th\u00e0nh c\u00e1c m\u00e1y tr\u1ea1ng th\u00e1i ri\u00eang bi\u1ec7t.<\/p>\n<\/li>\n- \n
S\u1eed d\u1ee5ng quy \u01b0\u1edbc \u0111\u1eb7t t\u00ean:<\/strong>\u0110\u1eb7t t\u00ean nh\u1ea5t qu\u00e1n cho c\u00e1c tr\u1ea1ng th\u00e1i, s\u1ef1 ki\u1ec7n v\u00e0 h\u00e0nh \u0111\u1ed9ng gi\u00fap d\u1ec5 d\u00e0ng \u0111i\u1ec1u h\u01b0\u1edbng v\u00e0 t\u00ecm ki\u1ebfm.<\/p>\n<\/li>\n- \n
T\u00e0i li\u1ec7u h\u00f3a c\u00e1c gi\u1ea3 \u0111\u1ecbnh:<\/strong>Th\u00eam ghi ch\u00fa \u0111\u1ec3 gi\u1ea3i th\u00edch l\u00fd do t\u1ea1i sao m\u1ed9t logic nh\u1ea5t \u0111\u1ecbnh t\u1ed3n t\u1ea1i. C\u00e1c k\u1ef9 s\u01b0 t\u01b0\u01a1ng lai c\u00f3 th\u1ec3 kh\u00f4ng bi\u1ebft c\u00e1c r\u00e0ng bu\u1ed9c ban \u0111\u1ea7u.<\/p>\n<\/li>\n- \n
Xem x\u00e9t \u0111\u1ecbnh k\u1ef3:<\/strong>M\u00f4 h\u00ecnh thay \u0111\u1ed5i theo y\u00eau c\u1ea7u. L\u00ean l\u1ecbch xem x\u00e9t \u0111\u1ecbnh k\u1ef3 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o m\u00f4 h\u00ecnh h\u00e0nh vi ph\u00f9 h\u1ee3p v\u1edbi thi\u1ebft k\u1ebf hi\u1ec7n t\u1ea1i.<\/p>\n<\/li>\n<\/ul>\nNh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn c\u1ea7n tr\u00e1nh \ud83d\udeab<\/h2>\n
Ngay c\u1ea3 c\u00e1c k\u1ef9 s\u01b0 c\u00f3 kinh nghi\u1ec7m c\u0169ng c\u00f3 th\u1ec3 m\u1eafc sai l\u1ea7m. Nh\u1eadn th\u1ee9c v\u1ec1 nh\u1eefng l\u1ed7i ph\u1ed5 bi\u1ebfn gi\u00fap ng\u0103n ng\u1eeba ch\u00fang.<\/p>\n
\n- \n
Nh\u1ea7m l\u1eabn gi\u1eefa s\u1ef1 ki\u1ec7n v\u00e0 h\u00e0nh \u0111\u1ed9ng:<\/strong>M\u1ed9t s\u1ef1 ki\u1ec7n k\u00edch ho\u1ea1t m\u1ed9t chuy\u1ec3n ti\u1ebfp. M\u1ed9t h\u00e0nh \u0111\u1ed9ng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n. Kh\u00f4ng \u0111\u01b0\u1ee3c nh\u1ea7m l\u1eabn hai kh\u00e1i ni\u1ec7m n\u00e0y.<\/p>\n<\/li>\n- \n
B\u1ecf qua c\u00e1c \u0111i\u1ec3m v\u00e0o\/ra:<\/strong>Kh\u00f4ng x\u00e1c \u0111\u1ecbnh \u0111i\u1ec1u g\u00ec x\u1ea3y ra khi v\u00e0o ho\u1eb7c r\u1eddi kh\u1ecfi m\u1ed9t tr\u1ea1ng th\u00e1i c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn r\u00f2 r\u1ec9 t\u00e0i nguy\u00ean ho\u1eb7c c\u1ea5u h\u00ecnh kh\u00f4ng nh\u1ea5t qu\u00e1n.<\/p>\n<\/li>\n- \n
Qu\u00e1 m\u1ee9c song song h\u00f3a:<\/strong>S\u1eed d\u1ee5ng qu\u00e1 nhi\u1ec1u v\u00f9ng khi\u1ebfn m\u00f4 h\u00ecnh kh\u00f3 hi\u1ec3u. Ch\u1ec9 song song h\u00f3a khi c\u00e1c h\u00e0nh vi th\u1ef1c s\u1ef1 \u0111\u1ed9c l\u1eadp.<\/p>\n<\/li>\n- \n
Thi\u1ebfu \u0111i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7 (guards):<\/strong>D\u1ef1a ho\u00e0n to\u00e0n v\u00e0o c\u00e1c k\u00edch ho\u1ea1t c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u00e1c chuy\u1ec3n ti\u1ebfp kh\u00f4ng mong mu\u1ed1n n\u1ebfu \u0111i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7 kh\u00f4ng \u0111\u01b0\u1ee3c n\u00eau r\u00f5.<\/p>\n<\/li>\n<\/ul>\nT\u00f3m t\u1eaft c\u00e1c kh\u00e1i ni\u1ec7m ch\u00ednh \ud83d\udccc<\/h2>\n
X\u00e2y d\u1ef1ng c\u00e1c m\u00e1y tr\u1ea1ng th\u00e1i hi\u1ec7u qu\u1ea3 \u0111\u00f2i h\u1ecfi c\u00e1ch ti\u1ebfp c\u1eadn c\u00f3 k\u1ef7 lu\u1eadt. B\u1ea1n b\u1eaft \u0111\u1ea7u v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n c\u01a1 b\u1ea3n: tr\u1ea1ng th\u00e1i, chuy\u1ec3n ti\u1ebfp v\u00e0 s\u1ef1 ki\u1ec7n. Sau \u0111\u00f3, b\u1ea1n t\u0103ng \u0111\u1ed9 ph\u1ee9c t\u1ea1p b\u1eb1ng c\u00e1c tr\u1ea1ng th\u00e1i l\u1ecbch s\u1eed, v\u00f9ng v\u00e0 ho\u1ea1t \u0111\u1ed9ng n\u1ed9i b\u1ed9. Trong su\u1ed1t qu\u00e1 tr\u00ecnh, b\u1ea1n ph\u1ea3i \u0111\u1ea3m b\u1ea3o h\u00e0nh vi ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n c\u1ea5u tr\u00fac c\u1ee7a h\u1ec7 th\u1ed1ng. X\u00e1c minh kh\u00f4ng ph\u1ea3i l\u00e0 t\u00f9y ch\u1ecdn; \u0111\u00f3 l\u00e0 b\u01b0\u1edbc c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady.<\/p>\n
B\u1eb1ng c\u00e1ch tu\u00e2n theo c\u00e1c h\u01b0\u1edbng d\u1eabn n\u00e0y, b\u1ea1n t\u1ea1o ra m\u1ed9t m\u00f4 h\u00ecnh \u0111\u00f3ng vai tr\u00f2 l\u00e0 b\u1ea3n v\u1ebd thi\u1ebft k\u1ebf \u0111\u00e1ng tin c\u1eady cho ph\u00e1t tri\u1ec3n v\u00e0 ki\u1ec3m th\u1eed. M\u00e1y tr\u1ea1ng th\u00e1i tr\u1edf th\u00e0nh c\u00f4ng c\u1ee5 giao ti\u1ebfp, l\u1ea5p \u0111\u1ea7y kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c y\u00eau c\u1ea7u c\u1ea5p cao v\u00e0 tri\u1ec3n khai c\u1ea5p th\u1ea5p. N\u00f3 ghi l\u1ea1i b\u1ea3n ch\u1ea5t \u0111\u1ed9ng c\u1ee7a h\u1ec7 th\u1ed1ng, \u0111\u1ea3m b\u1ea3o c\u00e1c thay \u0111\u1ed5i h\u00e0nh vi \u0111\u01b0\u1ee3c m\u00f4 h\u00ecnh h\u00f3a ch\u00ednh x\u00e1c v\u00e0 nh\u1ea5t qu\u00e1n.<\/p>\n
H\u00e3y nh\u1edb r\u1eb1ng m\u1ee5c ti\u00eau kh\u00f4ng ph\u1ea3i l\u00e0 s\u1ef1 ph\u1ee9c t\u1ea1p v\u00ec ch\u00ednh n\u00f3. M\u1ee5c ti\u00eau l\u00e0 s\u1ef1 r\u00f5 r\u00e0ng. M\u1ed9t m\u00e1y tr\u1ea1ng th\u00e1i \u0111\u01a1n gi\u1ea3n, \u0111\u01b0\u1ee3c c\u1ea5u tr\u00fac t\u1ed1t s\u1ebd c\u00f3 gi\u00e1 tr\u1ecb h\u01a1n m\u1ed9t m\u00f4 h\u00ecnh ph\u1ee9c t\u1ea1p kh\u00f3 hi\u1ec3u. T\u1eadp trung v\u00e0o logic, t\u00e0i li\u1ec7u h\u00f3a m\u1ee5c \u0111\u00edch v\u00e0 x\u00e1c minh c\u00e1c h\u00e0nh tr\u00ecnh. C\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y d\u1eabn \u0111\u1ebfn c\u00e1c h\u1ec7 th\u1ed1ng v\u1eefng ch\u1eafc, ho\u1ea1t \u0111\u1ed9ng nh\u01b0 mong \u0111\u1ee3i trong th\u1ef1c t\u1ebf.<\/p>\n","protected":false},"excerpt":{"rendered":"
K\u1ef9 thu\u1eadt h\u1ec7 th\u1ed1ng ph\u1ee5 thu\u1ed9c r\u1ea5t nhi\u1ec1u v\u00e0o kh\u1ea3 n\u0103ng m\u00f4 t\u1ea3 kh\u00f4ng ch\u1ec9 h\u1ec7 th\u1ed1ng l\u00e0 g\u00ec, m\u00e0 c\u00f2n c\u00e1ch n\u00f3 h\u00e0nh x\u1eed theo th\u1eddi gian. C\u00e1c c\u1ea5u…<\/p>\n","protected":false},"author":1,"featured_media":1725,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"M\u00e1y tr\u1ea1ng th\u00e1i SysML: M\u00f4 h\u00ecnh h\u00f3a c\u00e1c thay \u0111\u1ed5i h\u00e0nh vi t\u1eebng b\u01b0\u1edbc m\u1ed9t \ud83d\udd04","_yoast_wpseo_metadesc":"H\u1ecdc c\u00e1ch m\u00f4 h\u00ecnh h\u00f3a h\u00e0nh vi \u0111\u1ed9ng trong SysML. H\u01b0\u1edbng d\u1eabn chi ti\u1ebft v\u1ec1 m\u00e1y tr\u1ea1ng th\u00e1i, chuy\u1ec3n ti\u1ebfp v\u00e0 ho\u1ea1t \u0111\u1ed9ng \u0111\u1ec3 thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng v\u1eefng ch\u1eafc. \ud83d\udee0\ufe0f","fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[76],"tags":[80,81],"class_list":["post-1724","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sysml","tag-academic","tag-sysml"],"yoast_head":"\n
M\u00e1y tr\u1ea1ng th\u00e1i SysML: M\u00f4 h\u00ecnh h\u00f3a c\u00e1c thay \u0111\u1ed5i h\u00e0nh vi t\u1eebng b\u01b0\u1edbc m\u1ed9t \ud83d\udd04<\/title>\n<meta name=\"description\" content=\"H\u1ecdc c\u00e1ch m\u00f4 h\u00ecnh h\u00f3a h\u00e0nh vi \u0111\u1ed9ng trong SysML. 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H\u01b0\u1edbng d\u1eabn chi ti\u1ebft v\u1ec1 m\u00e1y tr\u1ea1ng th\u00e1i, chuy\u1ec3n ti\u1ebfp v\u00e0 ho\u1ea1t \u0111\u1ed9ng \u0111\u1ec3 thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng v\u1eefng ch\u1eafc. \ud83d\udee0\ufe0f","og_url":"https:\/\/www.ez-knowledge.com\/vi\/sysml-state-machines-modeling-behavior-changes\/","og_site_name":"Ez Knowledge Vietnamese - Latest in AI & Software Innovation","article_published_time":"2026-03-27T12:14:43+00:00","og_image":[{"width":1664,"height":928,"url":"https:\/\/www.ez-knowledge.com\/vi\/wp-content\/uploads\/sites\/10\/2026\/03\/sysml-state-machines-infographic-cartoon.jpg","type":"image\/jpeg"}],"author":"vpadmin","twitter_card":"summary_large_image","twitter_misc":{"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi":"vpadmin","\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc":"22 ph\u00fat"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.ez-knowledge.com\/vi\/sysml-state-machines-modeling-behavior-changes\/#article","isPartOf":{"@id":"https:\/\/www.ez-knowledge.com\/vi\/sysml-state-machines-modeling-behavior-changes\/"},"author":{"name":"vpadmin","@id":"https:\/\/www.ez-knowledge.com\/vi\/#\/schema\/person\/33c28d3655923323cf039801026316a1"},"headline":"M\u00e1y tr\u1ea1ng th\u00e1i SysML: M\u00f4 h\u00ecnh h\u00f3a c\u00e1c thay \u0111\u1ed5i h\u00e0nh vi t\u1eebng b\u01b0\u1edbc m\u1ed9t","datePublished":"2026-03-27T12:14:43+00:00","mainEntityOfPage":{"@id":"https:\/\/www.ez-knowledge.com\/vi\/sysml-state-machines-modeling-behavior-changes\/"},"wordCount":4433,"publisher":{"@id":"https:\/\/www.ez-knowledge.com\/vi\/#organization"},"image":{"@id":"https:\/\/www.ez-knowledge.com\/vi\/sysml-state-machines-modeling-behavior-changes\/#primaryimage"},"thumbnailUrl":"https:\/\/www.ez-knowledge.com\/vi\/wp-content\/uploads\/sites\/10\/2026\/03\/sysml-state-machines-infographic-cartoon.jpg","keywords":["academic","sysml"],"articleSection":["SysML"],"inLanguage":"vi"},{"@type":"WebPage","@id":"https:\/\/www.ez-knowledge.com\/vi\/sysml-state-machines-modeling-behavior-changes\/","url":"https:\/\/www.ez-knowledge.com\/vi\/sysml-state-machines-modeling-behavior-changes\/","name":"M\u00e1y tr\u1ea1ng th\u00e1i SysML: M\u00f4 h\u00ecnh h\u00f3a c\u00e1c thay \u0111\u1ed5i h\u00e0nh vi t\u1eebng b\u01b0\u1edbc m\u1ed9t \ud83d\udd04","isPartOf":{"@id":"https:\/\/www.ez-knowledge.com\/vi\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.ez-knowledge.com\/vi\/sysml-state-machines-modeling-behavior-changes\/#primaryimage"},"image":{"@id":"https:\/\/www.ez-knowledge.com\/vi\/sysml-state-machines-modeling-behavior-changes\/#primaryimage"},"thumbnailUrl":"https:\/\/www.ez-knowledge.com\/vi\/wp-content\/uploads\/sites\/10\/2026\/03\/sysml-state-machines-infographic-cartoon.jpg","datePublished":"2026-03-27T12:14:43+00:00","description":"H\u1ecdc c\u00e1ch m\u00f4 h\u00ecnh h\u00f3a h\u00e0nh vi \u0111\u1ed9ng trong SysML. 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R\u00f5 r\u00e0ng:<\/strong>Bi\u1ec3u di\u1ec5n tr\u1ef1c quan gi\u1ea3m t\u1ea3i nh\u1eadn th\u1ee9c khi ph\u00e2n t\u00edch logic ph\u1ee9c t\u1ea1p.<\/p>\n<\/li>\n X\u00e1c minh:<\/strong>Cho ph\u00e9p m\u00f4 ph\u1ecfng v\u00e0 ki\u1ec3m tra t\u1ea5t c\u1ea3 c\u00e1c \u0111\u01b0\u1eddng \u0111i kh\u1ea3 d\u0129.<\/p>\n<\/li>\n T\u00e0i li\u1ec7u:<\/strong>Ph\u1ee5c v\u1ee5 nh\u01b0 ngu\u1ed3n th\u00f4ng tin duy nh\u1ea5t \u0111\u00e1ng tin c\u1eady cho c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n v\u00e0 k\u1ef9 s\u01b0.<\/p>\n<\/li>\n T\u00ednh nh\u1ea5t qu\u00e1n:<\/strong>\u0110\u1ea3m b\u1ea3o c\u00e1c quy t\u1eafc h\u00e0nh vi \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng \u0111\u1ed3ng \u0111\u1ec1u tr\u00ean to\u00e0n h\u1ec7 th\u1ed1ng.<\/p>\n<\/li>\n<\/ul>\n \u0110\u1ec3 x\u00e2y d\u1ef1ng m\u1ed9t m\u00e1y tr\u1ea1ng th\u00e1i, b\u1ea1n ph\u1ea3i hi\u1ec3u r\u00f5 c\u00e1c kh\u1ed1i x\u00e2y d\u1ef1ng nguy\u00ean t\u1eed. M\u1ed7i th\u00e0nh ph\u1ea7n \u0111\u1ec1u c\u00f3 ch\u1ee9c n\u0103ng c\u1ee5 th\u1ec3 trong lu\u1ed3ng logic. Vi\u1ec7c s\u1eed d\u1ee5ng sai c\u00e1c th\u00e0nh ph\u1ea7n n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u00e1c m\u00f4 h\u00ecnh kh\u00f3 b\u1ea3o tr\u00ec ho\u1eb7c kh\u00f3 hi\u1ec3u.<\/p>\n C\u00e1c tr\u1ea1ng th\u00e1i \u0111\u1ea1i di\u1ec7n cho m\u1ed9t \u0111i\u1ec1u ki\u1ec7n ho\u1eb7c t\u00ecnh hu\u1ed1ng trong \u0111\u00f3 m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng th\u1ecfa m\u00e3n m\u1ed9t \u0111i\u1ec1u ki\u1ec7n nh\u1ea5t \u0111\u1ecbnh, th\u1ef1c hi\u1ec7n m\u1ed9t ho\u1ea1t \u0111\u1ed9ng n\u00e0o \u0111\u00f3 ho\u1eb7c ch\u1edd \u0111\u1ee3i m\u1ed9t s\u1ef1 ki\u1ec7n n\u00e0o \u0111\u00f3. Ch\u00fang l\u00e0 c\u00e1c n\u00fat trong \u0111\u1ed3 th\u1ecb. C\u00e1c tr\u1ea1ng th\u00e1i c\u00f3 th\u1ec3 l\u00e0 \u0111\u01a1n gi\u1ea3n ho\u1eb7c h\u1ee3p th\u00e0nh.<\/p>\n Tr\u1ea1ng th\u00e1i \u0111\u01a1n gi\u1ea3n:<\/strong> M\u1ed9t tr\u1ea1ng th\u00e1i kh\u00f4ng c\u00f3 c\u1ea5u tr\u00fac b\u00ean trong.<\/p>\n<\/li>\n Tr\u1ea1ng th\u00e1i h\u1ee3p th\u00e0nh:<\/strong> M\u1ed9t tr\u1ea1ng th\u00e1i ch\u1ee9a m\u00e1y tr\u1ea1ng th\u00e1i n\u1ed9i b\u1ed9 ri\u00eang c\u1ee7a n\u00f3. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p l\u1ed3ng gh\u00e9p, qu\u1ea3n l\u00fd \u0111\u1ed9 ph\u1ee9c t\u1ea1p b\u1eb1ng c\u00e1ch chia nh\u1ecf c\u00e1c h\u00e0nh vi l\u1edbn th\u00e0nh c\u00e1c h\u00e0nh vi con d\u1ec5 qu\u1ea3n l\u00fd.<\/p>\n<\/li>\n Tr\u1ea1ng th\u00e1i k\u1ebft th\u00fac:<\/strong> \u0110\u00e1nh d\u1ea5u \u0111i\u1ec3m k\u1ebft th\u00fac c\u1ee7a v\u00f2ng \u0111\u1eddi. C\u00f3 th\u1ec3 c\u00f3 nhi\u1ec1u tr\u1ea1ng th\u00e1i k\u1ebft th\u00fac, nh\u01b0ng m\u1ed7i \u0111\u01b0\u1eddng chuy\u1ec3n ti\u1ebfp n\u00ean d\u1eabn \u0111\u1ebfn m\u1ed9t tr\u1ea1ng th\u00e1i duy nh\u1ea5t.<\/p>\n<\/li>\n<\/ul>\n C\u00e1c chuy\u1ec3n ti\u1ebfp k\u1ebft n\u1ed1i c\u00e1c tr\u1ea1ng th\u00e1i. Ch\u00fang \u0111\u1ea1i di\u1ec7n cho s\u1ef1 di chuy\u1ec3n t\u1eeb m\u1ed9t \u0111i\u1ec1u ki\u1ec7n n\u00e0y sang \u0111i\u1ec1u ki\u1ec7n kh\u00e1c. M\u1ed9t chuy\u1ec3n ti\u1ebfp \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t b\u1edfi m\u1ed9t s\u1ef1 ki\u1ec7n, mi\u1ec5n l\u00e0 c\u00e1c \u0111i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7 li\u00ean quan \u0111\u01b0\u1ee3c th\u1ecfa m\u00e3n. Khi chuy\u1ec3n ti\u1ebfp x\u1ea3y ra, c\u00e1c h\u00e0nh \u0111\u1ed9ng \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a tr\u00ean chuy\u1ec3n ti\u1ebfp s\u1ebd \u0111\u01b0\u1ee3c th\u1ef1c thi.<\/p>\n C\u00e1c s\u1ef1 ki\u1ec7n l\u00e0 c\u00e1c t\u00e1c nh\u00e2n k\u00edch ho\u1ea1t chuy\u1ec3n ti\u1ebfp. Ch\u00fang c\u00f3 th\u1ec3 l\u00e0 s\u1ef1 ki\u1ec7n t\u00edn hi\u1ec7u, s\u1ef1 ki\u1ec7n g\u1ecdi, s\u1ef1 ki\u1ec7n thay \u0111\u1ed5i ho\u1eb7c s\u1ef1 ki\u1ec7n th\u1eddi gian. M\u1ed9t s\u1ef1 ki\u1ec7n kh\u00f4ng t\u1ef1 th\u1ef1c thi logic; n\u00f3 kh\u1edfi t\u1ea1o qu\u00e1 tr\u00ecnh chuy\u1ec3n ti\u1ebfp.<\/p>\n Vi\u1ec7c x\u00e2y d\u1ef1ng m\u00f4 h\u00ecnh h\u00e0nh vi bao g\u1ed3m vi\u1ec7c k\u1ebft n\u1ed1i c\u00e1c tr\u1ea1ng th\u00e1i v\u1edbi c\u00e1c chuy\u1ec3n ti\u1ebfp. Ph\u1ea7n n\u00e0y chi ti\u1ebft c\u00e1c thu\u1ed9c t\u00ednh c\u1ee5 th\u1ec3 \u0111i\u1ec1u khi\u1ec3n c\u00e1ch m\u1ed9t chuy\u1ec3n ti\u1ebfp \u0111\u01b0\u1ee3c th\u1ef1c thi.<\/p>\n M\u1ed9t chuy\u1ec3n ti\u1ebfp th\u01b0\u1eddng bao g\u1ed3m m\u1ed9t s\u1ef1 ki\u1ec7n k\u00edch ho\u1ea1t. \u0110\u00e2y l\u00e0 s\u1ef1 ki\u1ec7n khi\u1ebfn h\u1ec7 th\u1ed1ng th\u1ee9c t\u1ec9nh \u0111\u1ec3 xem x\u00e9t vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i. Tuy nhi\u00ean, vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng l\u00e0 ph\u1ea3n \u1ee9ng \u0111\u00fang \u0111\u1eafn. C\u00e1c \u0111i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 b\u1ed9 l\u1ecdc. M\u1ed9t \u0111i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7 l\u00e0 m\u1ed9t bi\u1ec3u th\u1ee9c logic ph\u1ea3i c\u00f3 gi\u00e1 tr\u1ecb \u0111\u00fang \u0111\u1ec3 chuy\u1ec3n ti\u1ebfp \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t.<\/p>\n Y\u1ebfu t\u1ed1<\/p>\n<\/th>\n Ch\u1ee9c n\u0103ng<\/p>\n<\/th>\n V\u00ed d\u1ee5<\/p>\n<\/th>\n<\/tr>\n K\u00edch ho\u1ea1t<\/p>\n<\/td>\n Kh\u1edfi t\u1ea1o chuy\u1ec3n ti\u1ebfp<\/p>\n<\/td>\n N\u00fat \u0111\u01b0\u1ee3c nh\u1ea5n<\/p>\n<\/td>\n<\/tr>\n \u0110i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7<\/p>\n<\/td>\n X\u00e1c minh c\u00e1c \u0111i\u1ec1u ki\u1ec7n<\/p>\n<\/td>\n [m\u1ee9c_pin > 20%]<\/p>\n<\/td>\n<\/tr>\n H\u00e0nh \u0111\u1ed9ng<\/p>\n<\/td>\n Th\u1ef1c thi trong qu\u00e1 tr\u00ecnh chuy\u1ec3n ti\u1ebfp<\/p>\n<\/td>\n log_entry()<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n H\u00e3y xem x\u00e9t m\u1ed9t t\u00ecnh hu\u1ed1ng m\u00e0 h\u1ec7 th\u1ed1ng chuy\u1ec3n sang ch\u1ebf \u0111\u1ed9 \u201cB\u1ea3o tr\u00ec\u201d. S\u1ef1 ki\u1ec7n k\u00edch ho\u1ea1t c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t l\u1ec7nh t\u1eeb ng\u01b0\u1eddi v\u1eadn h\u00e0nh. Tuy nhi\u00ean, \u0111i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7 c\u00f3 th\u1ec3 y\u00eau c\u1ea7u h\u1ec7 th\u1ed1ng kh\u00f4ng \u0111ang th\u1ef1c hi\u1ec7n nhi\u1ec7m v\u1ee5 quan tr\u1ecdng n\u00e0o \u0111\u00f3. S\u1ef1 t\u00e1ch bi\u1ec7t gi\u1eefa s\u1ef1 ki\u1ec7n k\u00edch ho\u1ea1t v\u00e0 \u0111i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7 \u0111\u1ea3m b\u1ea3o logic v\u1eefng ch\u1eafc.<\/p>\n Kh\u00f4ng ph\u1ea3i m\u1ecdi thay \u0111\u1ed5i n\u00e0o c\u0169ng y\u00eau c\u1ea7u chuy\u1ec3n ti\u1ebfp. \u0110\u00f4i khi, m\u1ed9t s\u1ef1 ki\u1ec7n x\u1ea3y ra, nh\u01b0ng h\u1ec7 th\u1ed1ng v\u1eabn \u1edf tr\u1ea1ng th\u00e1i hi\u1ec7n t\u1ea1i trong khi th\u1ef1c hi\u1ec7n m\u1ed9t h\u00e0nh \u0111\u1ed9ng. \u0110i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1edfi c\u00e1c ho\u1ea1t \u0111\u1ed9ng n\u1ed9i b\u1ed9. C\u00e1c ho\u1ea1t \u0111\u1ed9ng n\u1ed9i b\u1ed9 \u0111\u01b0\u1ee3c x\u1eed l\u00fd m\u00e0 kh\u00f4ng r\u1eddi kh\u1ecfi tr\u1ea1ng th\u00e1i hi\u1ec7n t\u1ea1i, ngh\u0129a l\u00e0 c\u00e1c h\u00e0nh \u0111\u1ed9ng nh\u1eadp v\u00e0 xu\u1ea5t kh\u00f4ng \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t.<\/p>\n H\u00e0nh \u0111\u1ed9ng nh\u1eadp:<\/strong> \u0110\u01b0\u1ee3c th\u1ef1c thi ngay l\u1eadp t\u1ee9c khi v\u00e0o tr\u1ea1ng th\u00e1i.<\/p>\n<\/li>\n H\u00e0nh \u0111\u1ed9ng xu\u1ea5t:<\/strong> \u0110\u01b0\u1ee3c th\u1ef1c thi ngay l\u1eadp t\u1ee9c tr\u01b0\u1edbc khi r\u1eddi kh\u1ecfi tr\u1ea1ng th\u00e1i.<\/p>\n<\/li>\n H\u00e0nh \u0111\u1ed9ng th\u1ef1c hi\u1ec7n:<\/strong> M\u1ed9t ho\u1ea1t \u0111\u1ed9ng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n khi \u1edf tr\u1ea1ng th\u00e1i. Ho\u1ea1t \u0111\u1ed9ng n\u00e0y ti\u1ebfp t\u1ee5c cho \u0111\u1ebfn khi m\u1ed9t s\u1ef1 ki\u1ec7n k\u00edch ho\u1ea1t chuy\u1ec3n ti\u1ebfp ho\u1eb7c ho\u1ea1t \u0111\u1ed9ng ho\u00e0n t\u1ea5t.<\/p>\n<\/li>\n<\/ul>\n Khi h\u1ec7 th\u1ed1ng ph\u00e1t tri\u1ec3n, c\u00e1c m\u00e1y tr\u1ea1ng th\u00e1i c\u00f3 th\u1ec3 tr\u1edf n\u00ean kh\u00f3 ki\u1ec3m so\u00e1t. Vi\u1ec7c l\u1ed3ng gh\u00e9p s\u00e2u v\u00e0 nhi\u1ec1u chuy\u1ec3n ti\u1ebfp t\u1ea1o th\u00e0nh m\u1ed9t m\u1ea1ng l\u01b0\u1edbi kh\u00f3 theo d\u00f5i. C\u00e1c tr\u1ea1ng th\u00e1i l\u1ecbch s\u1eed cung c\u1ea5p gi\u1ea3i ph\u00e1p cho v\u1ea5n \u0111\u1ec1 n\u00e0y b\u1eb1ng c\u00e1ch l\u01b0u gi\u1eef tr\u1ea1ng th\u00e1i c\u1ee7a m\u1ed9t tr\u1ea1ng th\u00e1i t\u1ed5ng h\u1ee3p.<\/p>\n C\u00e1c tr\u1ea1ng th\u00e1i l\u1ecbch s\u1eed cho ph\u00e9p h\u1ec7 th\u1ed1ng nh\u1edb l\u1ea1i n\u01a1i n\u00f3 \u0111\u00e3 d\u1eebng l\u1ea1i. C\u00f3 hai lo\u1ea1i ri\u00eang bi\u1ec7t:<\/p>\n L\u1ecbch s\u1eed n\u00f4ng:<\/strong>Ch\u1ec9 ra r\u1eb1ng tr\u1ea1ng th\u00e1i t\u1ed5ng h\u1ee3p tr\u01b0\u1edbc \u0111\u00f3 \u0111\u00e3 ho\u1ea1t \u0111\u1ed9ng. N\u00f3 kh\u00f4i ph\u1ee5c tr\u1ea1ng th\u00e1i v\u1ec1 tr\u1ea1ng th\u00e1i con ho\u1ea1t \u0111\u1ed9ng cu\u1ed1i c\u00f9ng, nh\u01b0ng ch\u1ec9 \u1edf m\u1ee9c \u0111\u1ed9 s\u00e2u nh\u1ea5t l\u00e0 m\u1ed9t c\u1ea5p.<\/p>\n<\/li>\n L\u1ecbch s\u1eed s\u00e2u:<\/strong>Kh\u00f4i ph\u1ee5c tr\u1ea1ng th\u00e1i ch\u00ednh x\u00e1c c\u1ee7a m\u00e1y t\u1ed5ng h\u1ee3p. \u0110i\u1ec1u n\u00e0y bao g\u1ed3m tr\u1ea1ng th\u00e1i con ho\u1ea1t \u0111\u1ed9ng cu\u1ed1i c\u00f9ng v\u00e0 b\u1ea5t k\u1ef3 tr\u1ea1ng th\u00e1i con l\u1ed3ng gh\u00e9p n\u00e0o b\u00ean trong n\u00f3.<\/p>\n<\/li>\n<\/ul>\n S\u1eed d\u1ee5ng c\u00e1c tr\u1ea1ng th\u00e1i l\u1ecbch s\u1eed \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch trong c\u00e1c h\u1ec7 th\u1ed1ng t\u1ea1m d\u1eebng v\u00e0 ti\u1ebfp t\u1ee5c thao t\u00e1c. N\u1ebfu m\u1ed9t h\u1ec7 th\u1ed1ng b\u1ecb t\u1ea1m d\u1eebng v\u00e0 sau \u0111\u00f3 \u0111\u01b0\u1ee3c ti\u1ebfp t\u1ee5c, tr\u1ea1ng th\u00e1i l\u1ecbch s\u1eed s\u00e2u \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng quay tr\u1edf l\u1ea1i \u0111\u00fang \u0111i\u1ec3m t\u1ea1m d\u1eebng, thay v\u00ec thi\u1ebft l\u1eadp l\u1ea1i t\u1eeb \u0111\u1ea7u.<\/p>\n Khi t\u00edch h\u1ee3p tr\u1ea1ng th\u00e1i l\u1ecbch s\u1eed, h\u00e3y \u0111\u1ea3m b\u1ea3o \u0111i\u1ec3m v\u00e0o c\u1ee7a tr\u1ea1ng th\u00e1i l\u1ecbch s\u1eed l\u00e0 r\u00f5 r\u00e0ng. S\u1ef1 m\u01a1 h\u1ed3 \u1edf \u0111\u00e2y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn h\u00e0nh vi kh\u00f4ng th\u1ec3 d\u1ef1 \u0111o\u00e1n trong qu\u00e1 tr\u00ecnh m\u00f4 ph\u1ecfng. Lu\u00f4n ghi ch\u00fa l\u00fd do s\u1eed d\u1ee5ng tr\u1ea1ng th\u00e1i l\u1ecbch s\u1eed. C\u00f3 ph\u1ea3i \u0111\u1ec3 hi\u1ec7u qu\u1ea3? Hay \u0111\u1ec3 duy tr\u00ec tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng? M\u1ee5c \u0111\u00edch r\u00f5 r\u00e0ng s\u1ebd h\u1ed7 tr\u1ee3 nh\u1eefng ng\u01b0\u1eddi b\u1ea3o tr\u00ec trong t\u01b0\u01a1ng lai.<\/p>\n C\u00e1c h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p th\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng \u1edf nhi\u1ec1u ch\u1ebf \u0111\u1ed9 \u0111\u1ed3ng th\u1eddi. M\u1ed9t m\u00e1y tr\u1ea1ng th\u00e1i \u0111\u01a1n l\u1ebb kh\u00f4ng th\u1ec3 d\u1ec5 d\u00e0ng bi\u1ec3u di\u1ec5n c\u00e1c qu\u00e1 tr\u00ecnh song song. SysML gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y th\u00f4ng qua c\u00e1c v\u00f9ng.<\/p>\n C\u00e1c v\u00f9ng chia m\u1ed9t tr\u1ea1ng th\u00e1i t\u1ed5ng h\u1ee3p th\u00e0nh c\u00e1c m\u00e1y tr\u1ea1ng th\u00e1i con \u0111\u1ed9c l\u1eadp. C\u00e1c m\u00e1y tr\u1ea1ng th\u00e1i con n\u00e0y ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed3ng th\u1eddi. M\u1ed9t chuy\u1ec3n ti\u1ebfp trong m\u1ed9t v\u00f9ng kh\u00f4ng l\u00e0m ch\u1eb7n c\u00e1c chuy\u1ec3n ti\u1ebfp trong v\u00f9ng kh\u00e1c. \u0110i\u1ec1u n\u00e0y t\u01b0\u01a1ng t\u1ef1 nh\u01b0 \u0111a lu\u1ed3ng trong k\u1ef9 thu\u1eadt ph\u1ea7n m\u1ec1m.<\/p>\n Chia t\u00e1ch:<\/strong>Chia m\u00e1y tr\u1ea1ng th\u00e1i th\u00e0nh c\u00e1c v\u00f9ng logic d\u1ef1a tr\u00ean c\u00e1c h\u00e0nh vi \u0111\u1ed9c l\u1eadp.<\/p>\n<\/li>\n \u0110\u1ed9c l\u1eadp:<\/strong>S\u1ef1 ki\u1ec7n trong m\u1ed9t v\u00f9ng kh\u00f4ng t\u1ef1 nhi\u00ean \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c v\u00f9ng kh\u00e1c tr\u1eeb khi \u0111\u01b0\u1ee3c li\u00ean k\u1ebft r\u00f5 r\u00e0ng.<\/p>\n<\/li>\n \u0110\u1ed3ng b\u1ed9 h\u00f3a:<\/strong>S\u1eed d\u1ee5ng c\u00e1c \u0111i\u1ec3m v\u00e0o v\u00e0 ra \u0111\u1ec3 ph\u1ed1i h\u1ee3p gi\u1eefa c\u00e1c v\u00f9ng khi c\u1ea7n thi\u1ebft.<\/p>\n<\/li>\n<\/ul>\n H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng m\u1ed9t h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n drone. M\u1ed9t v\u00f9ng x\u1eed l\u00fd \u201c\u0110i\u1ec1u khi\u1ec3n bay\u201d, qu\u1ea3n l\u00fd \u0111\u1ed9 cao v\u00e0 v\u1ecb tr\u00ed. V\u00f9ng kh\u00e1c x\u1eed l\u00fd \u201cK\u1ebft n\u1ed1i\u201d, qu\u1ea3n l\u00fd d\u1eef li\u1ec7u truy\u1ec1n v\u00e0 nh\u1eadn l\u1ec7nh. Ch\u00fang ho\u1ea1t \u0111\u1ed9ng song song. N\u1ebfu \u0111\u01b0\u1eddng truy\u1ec1n k\u1ebft n\u1ed1i b\u1ecb m\u1ea5t, v\u00f9ng \u201c\u0110i\u1ec1u khi\u1ec3n bay\u201d c\u00f3 th\u1ec3 k\u00edch ho\u1ea1t h\u00e0nh \u0111\u1ed9ng \u201cTr\u1edf v\u1ec1 nh\u00e0\u201d m\u00e0 kh\u00f4ng l\u00e0m d\u1eebng vi\u1ec7c ghi nh\u1eadt k\u00fd d\u1eef li\u1ec7u truy\u1ec1n trong v\u00f9ng k\u1ebft n\u1ed1i.<\/p>\n M\u1ed9t m\u00e1y tr\u1ea1ng th\u00e1i kh\u00f4ng t\u1ed3n t\u1ea1i trong kho\u1ea3ng tr\u1ed1ng. N\u00f3 m\u00f4 t\u1ea3 h\u00e0nh vi c\u1ee7a m\u1ed9t kh\u1ed1i ho\u1eb7c b\u1ed9 ph\u1eadn c\u1ee5 th\u1ec3. Vi\u1ec7c li\u00ean k\u1ebft m\u00e1y tr\u1ea1ng th\u00e1i v\u1edbi s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng truy xu\u1ea5t ngu\u1ed3n g\u1ed1c.<\/p>\n M\u1ed7i m\u00e1y tr\u1ea1ng th\u00e1i ph\u1ea3i thu\u1ed9c v\u1ec1 m\u1ed9t b\u1ed1i c\u1ea3nh. B\u1ed1i c\u1ea3nh n\u00e0y th\u01b0\u1eddng l\u00e0 m\u1ed9t kh\u1ed1i ho\u1eb7c m\u1ed9t b\u1ed9 ph\u1eadn. B\u1ed1i c\u1ea3nh x\u00e1c \u0111\u1ecbnh ph\u1ea1m vi h\u00e0nh vi. V\u00ed d\u1ee5, m\u1ed9t kh\u1ed1i \u201cPin\u201d c\u00f3 th\u1ec3 c\u00f3 m\u1ed9t m\u00e1y tr\u1ea1ng th\u00e1i m\u00f4 t\u1ea3 m\u1ee9c \u0111\u1ed9 s\u1ea1c c\u1ee7a n\u00f3. M\u1ed9t kh\u1ed1i \u201cPh\u01b0\u01a1ng ti\u1ec7n\u201d c\u00f3 th\u1ec3 c\u00f3 m\u1ed9t m\u00e1y tr\u1ea1ng th\u00e1i m\u00f4 t\u1ea3 c\u00e1c ch\u1ebf \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a n\u00f3.<\/p>\n C\u00e1c chuy\u1ec3n ti\u1ebfp th\u01b0\u1eddng t\u01b0\u01a1ng t\u00e1c v\u1edbi m\u00f4i tr\u01b0\u1eddng b\u00ean ngo\u00e0i. T\u01b0\u01a1ng t\u00e1c n\u00e0y \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd th\u00f4ng qua c\u00e1c c\u1ed5ng v\u00e0 giao di\u1ec7n. M\u1ed9t m\u00e1y tr\u1ea1ng th\u00e1i c\u00f3 th\u1ec3 g\u1eedi t\u00edn hi\u1ec7u ra ho\u1eb7c nh\u1eadn t\u00edn hi\u1ec7u v\u00e0o th\u00f4ng qua c\u00e1c k\u1ebft n\u1ed1i n\u00e0y. X\u00e1c \u0111\u1ecbnh c\u00e1c giao di\u1ec7n n\u00e0y ch\u00ednh x\u00e1c \u0111\u1ea3m b\u1ea3o m\u00f4 h\u00ecnh h\u00e0nh vi c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u00e0o ki\u1ebfn tr\u00fac h\u1ec7 th\u1ed1ng l\u1edbn h\u01a1n.<\/p>\n Giao di\u1ec7n y\u00eau c\u1ea7u:<\/strong>Ch\u1ec9 ra \u0111i\u1ec1u m\u00e0 m\u00e1y tr\u1ea1ng th\u00e1i c\u1ea7n t\u1eeb m\u00f4i tr\u01b0\u1eddng c\u1ee7a n\u00f3.<\/p>\n<\/li>\n Giao di\u1ec7n cung c\u1ea5p:<\/strong>Ch\u1ec9 ra \u0111i\u1ec1u m\u00e0 m\u00e1y tr\u1ea1ng th\u00e1i cung c\u1ea5p cho m\u00f4i tr\u01b0\u1eddng.<\/p>\n<\/li>\n<\/ul>\n Sau khi m\u00f4 h\u00ecnh \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng, n\u00f3 ph\u1ea3i \u0111\u01b0\u1ee3c x\u00e1c th\u1ef1c. M\u1ed9t m\u00f4 h\u00ecnh tr\u00f4ng t\u1ed1t v\u1ec1 m\u1eb7t th\u1ecb gi\u00e1c v\u1eabn c\u00f3 th\u1ec3 ch\u1ee9a l\u1ed7i logic. Ki\u1ec3m tra x\u00e1c th\u1ef1c \u0111\u1ea3m b\u1ea3o h\u00e0nh vi l\u00e0 h\u1ee3p l\u00fd.<\/p>\n Ki\u1ec3m tra xem m\u1ed7i tr\u1ea1ng th\u00e1i c\u00f3 th\u1ec3 ti\u1ebfp c\u1eadn \u0111\u01b0\u1ee3c t\u1eeb tr\u1ea1ng th\u00e1i ban \u0111\u1ea7u hay kh\u00f4ng. C\u00e1c tr\u1ea1ng th\u00e1i ch\u1ebft (tr\u1ea1ng th\u00e1i kh\u00f4ng th\u1ec3 v\u00e0o \u0111\u01b0\u1ee3c) cho th\u1ea5y l\u1ed7i m\u00f4 h\u00ecnh h\u00f3a. Ng\u01b0\u1ee3c l\u1ea1i, h\u00e3y \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u1ed7i tr\u1ea1ng th\u00e1i cu\u1ed1i c\u00f9ng c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u1ebfn tr\u1ea1ng th\u00e1i k\u1ebft th\u00fac ho\u1eb7c \u0111i\u1ec1u ki\u1ec7n \u1ed5n \u0111\u1ecbnh. C\u00e1c v\u00f2ng l\u1eb7p v\u00f4 h\u1ea1n ph\u1ea3i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf c\u00f3 ch\u1ee7 \u0111\u00edch v\u00e0 \u0111\u01b0\u1ee3c ghi ch\u00fa r\u00f5 r\u00e0ng.<\/p>\n V\u1edbi m\u1ed7i tr\u1ea1ng th\u00e1i, x\u00e1c \u0111\u1ecbnh \u0111i\u1ec1u g\u00ec x\u1ea3y ra n\u1ebfu m\u1ed9t s\u1ef1 ki\u1ec7n b\u1ea5t ng\u1edd x\u1ea3y ra. N\u1ebfu kh\u00f4ng \u0111\u1ecbnh ngh\u0129a chuy\u1ec3n ti\u1ebfp cho m\u1ed9t s\u1ef1 ki\u1ec7n c\u1ee5 th\u1ec3, h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 d\u1eebng ho\u1ea1t \u0111\u1ed9ng ho\u1eb7c chuy\u1ec3n v\u00e0o tr\u1ea1ng th\u00e1i kh\u00f4ng x\u00e1c \u0111\u1ecbnh. X\u00e1c \u0111\u1ecbnh h\u00e0nh vi m\u1eb7c \u0111\u1ecbnh ho\u1eb7c c\u00e1c tr\u1ea1ng th\u00e1i x\u1eed l\u00fd ngo\u1ea1i l\u1ec7 \u0111\u1ec3 qu\u1ea3n l\u00fd c\u00e1c t\u00ecnh hu\u1ed1ng n\u00e0y.<\/p>\n Li\u00ean k\u1ebft c\u00e1c th\u00e0nh ph\u1ea7n m\u00e1y tr\u1ea1ng th\u00e1i v\u1edbi y\u00eau c\u1ea7u. N\u1ebfu m\u1ed9t y\u00eau c\u1ea7u n\u00eau r\u00f5 \u201cH\u1ec7 th\u1ed1ng ph\u1ea3i t\u1eaft n\u1ebfu nhi\u1ec7t \u0111\u1ed9 v\u01b0\u1ee3t qu\u00e1 X\u201d, th\u00ec trong m\u00f4 h\u00ecnh ph\u1ea3i c\u00f3 tr\u1ea1ng th\u00e1i ho\u1eb7c chuy\u1ec3n ti\u1ebfp t\u01b0\u01a1ng \u1ee9ng. Kh\u1ea3 n\u0103ng truy xu\u1ea5t ngu\u1ed3n g\u1ed1c n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c quy tr\u00ecnh ch\u1ee9ng nh\u1eadn v\u00e0 tu\u00e2n th\u1ee7.<\/p>\n \u0110\u1ec3 duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng m\u00f4 h\u00ecnh theo th\u1eddi gian, tu\u00e2n theo c\u00e1c th\u1ef1c h\u00e0nh sau.<\/p>\n Gi\u1eef \u0111\u01a1n gi\u1ea3n:<\/strong>Tr\u00e1nh l\u1ed3ng gh\u00e9p kh\u00f4ng c\u1ea7n thi\u1ebft. N\u1ebfu m\u1ed9t tr\u1ea1ng th\u00e1i h\u1ee3p th\u00e0nh tr\u1edf n\u00ean qu\u00e1 l\u1edbn, h\u00e3y c\u00e2n nh\u1eafc chia n\u00f3 th\u00e0nh c\u00e1c m\u00e1y tr\u1ea1ng th\u00e1i ri\u00eang bi\u1ec7t.<\/p>\n<\/li>\n S\u1eed d\u1ee5ng quy \u01b0\u1edbc \u0111\u1eb7t t\u00ean:<\/strong>\u0110\u1eb7t t\u00ean nh\u1ea5t qu\u00e1n cho c\u00e1c tr\u1ea1ng th\u00e1i, s\u1ef1 ki\u1ec7n v\u00e0 h\u00e0nh \u0111\u1ed9ng gi\u00fap d\u1ec5 d\u00e0ng \u0111i\u1ec1u h\u01b0\u1edbng v\u00e0 t\u00ecm ki\u1ebfm.<\/p>\n<\/li>\n T\u00e0i li\u1ec7u h\u00f3a c\u00e1c gi\u1ea3 \u0111\u1ecbnh:<\/strong>Th\u00eam ghi ch\u00fa \u0111\u1ec3 gi\u1ea3i th\u00edch l\u00fd do t\u1ea1i sao m\u1ed9t logic nh\u1ea5t \u0111\u1ecbnh t\u1ed3n t\u1ea1i. C\u00e1c k\u1ef9 s\u01b0 t\u01b0\u01a1ng lai c\u00f3 th\u1ec3 kh\u00f4ng bi\u1ebft c\u00e1c r\u00e0ng bu\u1ed9c ban \u0111\u1ea7u.<\/p>\n<\/li>\n Xem x\u00e9t \u0111\u1ecbnh k\u1ef3:<\/strong>M\u00f4 h\u00ecnh thay \u0111\u1ed5i theo y\u00eau c\u1ea7u. L\u00ean l\u1ecbch xem x\u00e9t \u0111\u1ecbnh k\u1ef3 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o m\u00f4 h\u00ecnh h\u00e0nh vi ph\u00f9 h\u1ee3p v\u1edbi thi\u1ebft k\u1ebf hi\u1ec7n t\u1ea1i.<\/p>\n<\/li>\n<\/ul>\n Ngay c\u1ea3 c\u00e1c k\u1ef9 s\u01b0 c\u00f3 kinh nghi\u1ec7m c\u0169ng c\u00f3 th\u1ec3 m\u1eafc sai l\u1ea7m. Nh\u1eadn th\u1ee9c v\u1ec1 nh\u1eefng l\u1ed7i ph\u1ed5 bi\u1ebfn gi\u00fap ng\u0103n ng\u1eeba ch\u00fang.<\/p>\n Nh\u1ea7m l\u1eabn gi\u1eefa s\u1ef1 ki\u1ec7n v\u00e0 h\u00e0nh \u0111\u1ed9ng:<\/strong>M\u1ed9t s\u1ef1 ki\u1ec7n k\u00edch ho\u1ea1t m\u1ed9t chuy\u1ec3n ti\u1ebfp. M\u1ed9t h\u00e0nh \u0111\u1ed9ng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n. Kh\u00f4ng \u0111\u01b0\u1ee3c nh\u1ea7m l\u1eabn hai kh\u00e1i ni\u1ec7m n\u00e0y.<\/p>\n<\/li>\n B\u1ecf qua c\u00e1c \u0111i\u1ec3m v\u00e0o\/ra:<\/strong>Kh\u00f4ng x\u00e1c \u0111\u1ecbnh \u0111i\u1ec1u g\u00ec x\u1ea3y ra khi v\u00e0o ho\u1eb7c r\u1eddi kh\u1ecfi m\u1ed9t tr\u1ea1ng th\u00e1i c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn r\u00f2 r\u1ec9 t\u00e0i nguy\u00ean ho\u1eb7c c\u1ea5u h\u00ecnh kh\u00f4ng nh\u1ea5t qu\u00e1n.<\/p>\n<\/li>\n Qu\u00e1 m\u1ee9c song song h\u00f3a:<\/strong>S\u1eed d\u1ee5ng qu\u00e1 nhi\u1ec1u v\u00f9ng khi\u1ebfn m\u00f4 h\u00ecnh kh\u00f3 hi\u1ec3u. Ch\u1ec9 song song h\u00f3a khi c\u00e1c h\u00e0nh vi th\u1ef1c s\u1ef1 \u0111\u1ed9c l\u1eadp.<\/p>\n<\/li>\n Thi\u1ebfu \u0111i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7 (guards):<\/strong>D\u1ef1a ho\u00e0n to\u00e0n v\u00e0o c\u00e1c k\u00edch ho\u1ea1t c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u00e1c chuy\u1ec3n ti\u1ebfp kh\u00f4ng mong mu\u1ed1n n\u1ebfu \u0111i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7 kh\u00f4ng \u0111\u01b0\u1ee3c n\u00eau r\u00f5.<\/p>\n<\/li>\n<\/ul>\n X\u00e2y d\u1ef1ng c\u00e1c m\u00e1y tr\u1ea1ng th\u00e1i hi\u1ec7u qu\u1ea3 \u0111\u00f2i h\u1ecfi c\u00e1ch ti\u1ebfp c\u1eadn c\u00f3 k\u1ef7 lu\u1eadt. B\u1ea1n b\u1eaft \u0111\u1ea7u v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n c\u01a1 b\u1ea3n: tr\u1ea1ng th\u00e1i, chuy\u1ec3n ti\u1ebfp v\u00e0 s\u1ef1 ki\u1ec7n. Sau \u0111\u00f3, b\u1ea1n t\u0103ng \u0111\u1ed9 ph\u1ee9c t\u1ea1p b\u1eb1ng c\u00e1c tr\u1ea1ng th\u00e1i l\u1ecbch s\u1eed, v\u00f9ng v\u00e0 ho\u1ea1t \u0111\u1ed9ng n\u1ed9i b\u1ed9. Trong su\u1ed1t qu\u00e1 tr\u00ecnh, b\u1ea1n ph\u1ea3i \u0111\u1ea3m b\u1ea3o h\u00e0nh vi ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n c\u1ea5u tr\u00fac c\u1ee7a h\u1ec7 th\u1ed1ng. X\u00e1c minh kh\u00f4ng ph\u1ea3i l\u00e0 t\u00f9y ch\u1ecdn; \u0111\u00f3 l\u00e0 b\u01b0\u1edbc c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady.<\/p>\n B\u1eb1ng c\u00e1ch tu\u00e2n theo c\u00e1c h\u01b0\u1edbng d\u1eabn n\u00e0y, b\u1ea1n t\u1ea1o ra m\u1ed9t m\u00f4 h\u00ecnh \u0111\u00f3ng vai tr\u00f2 l\u00e0 b\u1ea3n v\u1ebd thi\u1ebft k\u1ebf \u0111\u00e1ng tin c\u1eady cho ph\u00e1t tri\u1ec3n v\u00e0 ki\u1ec3m th\u1eed. M\u00e1y tr\u1ea1ng th\u00e1i tr\u1edf th\u00e0nh c\u00f4ng c\u1ee5 giao ti\u1ebfp, l\u1ea5p \u0111\u1ea7y kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c y\u00eau c\u1ea7u c\u1ea5p cao v\u00e0 tri\u1ec3n khai c\u1ea5p th\u1ea5p. N\u00f3 ghi l\u1ea1i b\u1ea3n ch\u1ea5t \u0111\u1ed9ng c\u1ee7a h\u1ec7 th\u1ed1ng, \u0111\u1ea3m b\u1ea3o c\u00e1c thay \u0111\u1ed5i h\u00e0nh vi \u0111\u01b0\u1ee3c m\u00f4 h\u00ecnh h\u00f3a ch\u00ednh x\u00e1c v\u00e0 nh\u1ea5t qu\u00e1n.<\/p>\n H\u00e3y nh\u1edb r\u1eb1ng m\u1ee5c ti\u00eau kh\u00f4ng ph\u1ea3i l\u00e0 s\u1ef1 ph\u1ee9c t\u1ea1p v\u00ec ch\u00ednh n\u00f3. M\u1ee5c ti\u00eau l\u00e0 s\u1ef1 r\u00f5 r\u00e0ng. M\u1ed9t m\u00e1y tr\u1ea1ng th\u00e1i \u0111\u01a1n gi\u1ea3n, \u0111\u01b0\u1ee3c c\u1ea5u tr\u00fac t\u1ed1t s\u1ebd c\u00f3 gi\u00e1 tr\u1ecb h\u01a1n m\u1ed9t m\u00f4 h\u00ecnh ph\u1ee9c t\u1ea1p kh\u00f3 hi\u1ec3u. T\u1eadp trung v\u00e0o logic, t\u00e0i li\u1ec7u h\u00f3a m\u1ee5c \u0111\u00edch v\u00e0 x\u00e1c minh c\u00e1c h\u00e0nh tr\u00ecnh. C\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y d\u1eabn \u0111\u1ebfn c\u00e1c h\u1ec7 th\u1ed1ng v\u1eefng ch\u1eafc, ho\u1ea1t \u0111\u1ed9ng nh\u01b0 mong \u0111\u1ee3i trong th\u1ef1c t\u1ebf.<\/p>\n","protected":false},"excerpt":{"rendered":" K\u1ef9 thu\u1eadt h\u1ec7 th\u1ed1ng ph\u1ee5 thu\u1ed9c r\u1ea5t nhi\u1ec1u v\u00e0o kh\u1ea3 n\u0103ng m\u00f4 t\u1ea3 kh\u00f4ng ch\u1ec9 h\u1ec7 th\u1ed1ng l\u00e0 g\u00ec, m\u00e0 c\u00f2n c\u00e1ch n\u00f3 h\u00e0nh x\u1eed theo th\u1eddi gian. C\u00e1c c\u1ea5u…<\/p>\n","protected":false},"author":1,"featured_media":1725,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"M\u00e1y tr\u1ea1ng th\u00e1i SysML: M\u00f4 h\u00ecnh h\u00f3a c\u00e1c thay \u0111\u1ed5i h\u00e0nh vi t\u1eebng b\u01b0\u1edbc m\u1ed9t \ud83d\udd04","_yoast_wpseo_metadesc":"H\u1ecdc c\u00e1ch m\u00f4 h\u00ecnh h\u00f3a h\u00e0nh vi \u0111\u1ed9ng trong SysML. H\u01b0\u1edbng d\u1eabn chi ti\u1ebft v\u1ec1 m\u00e1y tr\u1ea1ng th\u00e1i, chuy\u1ec3n ti\u1ebfp v\u00e0 ho\u1ea1t \u0111\u1ed9ng \u0111\u1ec3 thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng v\u1eefng ch\u1eafc. \ud83d\udee0\ufe0f","fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[76],"tags":[80,81],"class_list":["post-1724","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sysml","tag-academic","tag-sysml"],"yoast_head":"\nX\u00e1c \u0111\u1ecbnh c\u00e1c th\u00e0nh ph\u1ea7n c\u01a1 b\u1ea3n \u2699\ufe0f<\/h2>\n
Tr\u1ea1ng th\u00e1i<\/h3>\n
\n
Chuy\u1ec3n ti\u1ebfp<\/h3>\n
S\u1ef1 ki\u1ec7n<\/h3>\n
X\u00e2y d\u1ef1ng lu\u1ed3ng logic \ud83d\udee3\ufe0f<\/h2>\n
K\u00edch ho\u1ea1t v\u00e0 \u0110i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7<\/h3>\n
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\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Ho\u1ea1t \u0111\u1ed9ng n\u1ed9i b\u1ed9<\/h3>\n
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Qu\u1ea3n l\u00fd \u0111\u1ed9 ph\u1ee9c t\u1ea1p v\u1edbi l\u1ecbch s\u1eed \ud83e\udde0<\/h2>\n
L\u1ecbch s\u1eed n\u00f4ng vs. L\u1ecbch s\u1eed s\u00e2u<\/h3>\n
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Chi\u1ebfn l\u01b0\u1ee3c tri\u1ec3n khai<\/h3>\n
X\u1eed l\u00fd t\u00ednh \u0111\u1ed3ng th\u1eddi v\u1edbi c\u00e1c v\u00f9ng \ud83c\udf10<\/h2>\n
C\u00e1c v\u00f9ng song song<\/h3>\n
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V\u00ed d\u1ee5 t\u00ecnh hu\u1ed1ng<\/h3>\n
K\u1ebft n\u1ed1i h\u00e0nh vi v\u1edbi c\u1ea5u tr\u00fac \ud83d\udd17<\/h2>\n
B\u1ed1i c\u1ea3nh m\u00e1y tr\u1ea1ng th\u00e1i<\/h3>\n
C\u1ed5ng v\u00e0 giao di\u1ec7n<\/h3>\n
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Ki\u1ec3m tra x\u00e1c th\u1ef1c v\u00e0 t\u00ednh nh\u1ea5t qu\u00e1n \u2705<\/h2>\n
Ph\u00e2n t\u00edch kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn<\/h3>\n
Bao ph\u1ee7 s\u1ef1 ki\u1ec7n<\/h3>\n
Kh\u1ea3 n\u0103ng truy xu\u1ea5t ngu\u1ed3n g\u1ed1c<\/h3>\n
C\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t cho m\u00f4 h\u00ecnh h\u00f3a b\u1ec1n v\u1eefng \ud83d\udcdd<\/h2>\n
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Nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn c\u1ea7n tr\u00e1nh \ud83d\udeab<\/h2>\n
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T\u00f3m t\u1eaft c\u00e1c kh\u00e1i ni\u1ec7m ch\u00ednh \ud83d\udccc<\/h2>\n