{"id":1510,"date":"2026-03-23T03:16:55","date_gmt":"2026-03-23T03:16:55","guid":{"rendered":"https:\/\/www.ez-knowledge.com\/vi\/sysml-sequence-diagrams-tracking-interactions-across-time\/"},"modified":"2026-03-23T03:16:55","modified_gmt":"2026-03-23T03:16:55","slug":"sysml-sequence-diagrams-tracking-interactions-across-time","status":"publish","type":"post","link":"https:\/\/www.ez-knowledge.com\/vi\/sysml-sequence-diagrams-tracking-interactions-across-time\/","title":{"rendered":"S\u01a1 \u0111\u1ed3 Chu\u1ed7i SysML: Theo d\u00f5i c\u00e1c t\u01b0\u01a1ng t\u00e1c qua th\u1eddi gian"},"content":{"rendered":"

Trong b\u1ed1i c\u1ea3nh ph\u1ee9c t\u1ea1p c\u1ee7a k\u1ef9 thu\u1eadt h\u1ec7 th\u1ed1ng, vi\u1ec7c hi\u1ec3u c\u00e1ch c\u00e1c th\u00e0nh ph\u1ea7n ho\u1ea1t \u0111\u1ed9ng ri\u00eang l\u1ebb ch\u1ec9 l\u00e0 m\u1ed9t n\u1eeda cu\u1ed9c chi\u1ebfn. S\u1ef1 ph\u1ee9c t\u1ea1p th\u1ef1c s\u1ef1 n\u1eb1m \u1edf c\u00e1ch c\u00e1c th\u00e0nh ph\u1ea7n n\u00e0y t\u01b0\u01a1ng t\u00e1c, trao \u0111\u1ed5i th\u00f4ng tin v\u00e0 ph\u1ed1i h\u1ee3p c\u00e1c h\u00e0nh \u0111\u1ed9ng theo d\u00f2ng th\u1eddi gian. S\u01a1 \u0111\u1ed3 Chu\u1ed7i SysML cung c\u1ea5p khung h\u00ecnh \u1ea3nh c\u1ea7n thi\u1ebft \u0111\u1ec3 b\u1ea3n \u0111\u1ed3 h\u00f3a c\u00e1c t\u01b0\u01a1ng t\u00e1c theo th\u1eddi gian n\u00e0y. Ch\u00fang kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 nh\u1eefng b\u1ee9c \u1ea3nh t\u0129nh m\u00e0 c\u00f2n l\u00e0 nh\u1eefng bi\u1ec3u di\u1ec5n \u0111\u1ed9ng v\u1ec1 h\u00e0nh vi h\u1ec7 th\u1ed1ng theo th\u1eddi gian. B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c s\u01a1 \u0111\u1ed3 n\u00e0y, c\u00e1c k\u1ef9 s\u01b0 c\u00f3 th\u1ec3 x\u00e1c minh logic, ph\u00e1t hi\u1ec7n c\u00e1c \u0111i\u1ec3m ngh\u1ebdn v\u00e0 \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u v\u1ec1 hi\u1ec7u su\u1ea5t tr\u01b0\u1edbc khi tri\u1ec3n khai th\u1ef1c t\u1ebf b\u1eaft \u0111\u1ea7u.<\/p>\n

Vi\u1ec7c theo d\u00f5i c\u00e1c t\u01b0\u01a1ng t\u00e1c qua th\u1eddi gian \u0111\u00f2i h\u1ecfi s\u1ef1 ch\u00ednh x\u00e1c. M\u1ed9t tin nh\u1eafn g\u1eedi sai th\u1eddi \u0111i\u1ec3m c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn s\u1ef1 c\u1ed1 h\u1ec7 th\u1ed1ng lan r\u1ed9ng. Do \u0111\u00f3, vi\u1ec7c th\u00e0nh th\u1ea1o c\u00fa ph\u00e1p v\u00e0 ng\u1eef ngh\u0129a c\u1ee7a m\u00f4 h\u00ecnh h\u00f3a chu\u1ed7i SysML l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ed1i v\u1edbi b\u1ea5t k\u1ef3 nh\u00f3m k\u1ef9 thu\u1eadt n\u00e0o. H\u01b0\u1edbng d\u1eabn n\u00e0y kh\u00e1m ph\u00e1 c\u00e1c c\u01a1 ch\u1ebf, \u1ee9ng d\u1ee5ng v\u00e0 c\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t \u0111\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c s\u01a1 \u0111\u1ed3 chu\u1ed7i hi\u1ec7u qu\u1ea3 trong Ng\u00f4n ng\u1eef M\u00f4 h\u00ecnh h\u00f3a H\u1ec7 th\u1ed1ng.<\/p>\n

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\"Child-friendly<\/figure>\n<\/div>\n

Vai tr\u00f2 c\u1ee7a s\u01a1 \u0111\u1ed3 chu\u1ed7i trong k\u1ef9 thu\u1eadt h\u1ec7 th\u1ed1ng \ud83d\udcca<\/h2>\n

K\u1ef9 thu\u1eadt h\u1ec7 th\u1ed1ng bao g\u1ed3m vi\u1ec7c qu\u1ea3n l\u00fd c\u00e1c d\u1ef1 \u00e1n ph\u1ee9c t\u1ea1p n\u01a1i ph\u1ea7n c\u1ee9ng, ph\u1ea7n m\u1ec1m v\u00e0 c\u00e1c quy tr\u00ecnh con ng\u01b0\u1eddi giao nhau. Trong m\u00f4i tr\u01b0\u1eddng n\u00e0y, m\u00f4 h\u00ecnh h\u00f3a h\u00e0nh vi l\u00e0 \u0111i\u1ec1u quan tr\u1ecdng. Trong khi c\u00e1c s\u01a1 \u0111\u1ed3 \u0110\u1ecbnh ngh\u0129a Kh\u1ed1i (BDD) th\u1ec3 hi\u1ec7n c\u1ea5u tr\u00fac, v\u00e0 c\u00e1c s\u01a1 \u0111\u1ed3 M\u00e1y tr\u1ea1ng th\u00e1i th\u1ec3 hi\u1ec7n tr\u1ea1ng th\u00e1i, th\u00ec c\u00e1c s\u01a1 \u0111\u1ed3 Chu\u1ed7i th\u1ec3 hi\u1ec7nquy tr\u00ecnh<\/em>. Ch\u00fang tr\u1ea3 l\u1eddi c\u00e2u h\u1ecfi: \u0110i\u1ec1u g\u00ec x\u1ea3y ra, v\u00e0 theo th\u1ee9 t\u1ef1 n\u00e0o?<\/p>\n

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  • B\u1ed1i c\u1ea3nh th\u1eddi gian:<\/strong>Kh\u00e1c v\u1edbi c\u00e1c s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac t\u0129nh, s\u01a1 \u0111\u1ed3 chu\u1ed7i gi\u1edbi thi\u1ec7u chi\u1ec1u c\u1ee7a th\u1eddi gian. Ch\u00fang hi\u1ec3n th\u1ecb c\u00e1c s\u1ef1 ki\u1ec7n t\u1eeb tr\u00ean xu\u1ed1ng d\u01b0\u1edbi, \u0111\u1ea1i di\u1ec7n cho d\u00f2ng ch\u1ea3y theo th\u1ee9 t\u1ef1 th\u1eddi gian.<\/li>\n
  • T\u1eadp trung v\u00e0o t\u01b0\u01a1ng t\u00e1c:<\/strong>\u0110i\u1ec3m t\u1eadp trung ch\u00ednh l\u00e0 giao ti\u1ebfp gi\u1eefa c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng. Bao g\u1ed3m trao \u0111\u1ed5i d\u1eef li\u1ec7u, t\u00edn hi\u1ec7u \u0111i\u1ec1u khi\u1ec3n v\u00e0 c\u1eadp nh\u1eadt tr\u1ea1ng th\u00e1i.<\/li>\n
  • X\u00e1c minh t\u00ecnh hu\u1ed1ng:<\/strong>C\u00e1c k\u1ef9 s\u01b0 s\u1eed d\u1ee5ng c\u00e1c s\u01a1 \u0111\u1ed3 n\u00e0y \u0111\u1ec3 x\u00e1c minh c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u1ee5 th\u1ec3. Ch\u00fang cho ph\u00e9p m\u00f4 ph\u1ecfng c\u00e1c t\u00ecnh hu\u1ed1ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o m\u1ecdi tr\u01b0\u1eddng h\u1ee3p bi\u00ean \u0111\u1ec1u \u0111\u01b0\u1ee3c bao ph\u1ee7.<\/li>\n
  • Kh\u1ea3 n\u0103ng truy xu\u1ea5t y\u00eau c\u1ea7u:<\/strong>M\u1ed7i t\u01b0\u01a1ng t\u00e1c \u0111\u1ec1u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c truy xu\u1ea5t tr\u1edf l\u1ea1i y\u00eau c\u1ea7u h\u1ec7 th\u1ed1ng. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u1ecdi ch\u1ee9c n\u0103ng \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a trong y\u00eau c\u1ea7u \u0111\u1ec1u \u0111\u01b0\u1ee3c tri\u1ec3n khai v\u00e0 x\u00e1c minh trong m\u00f4 h\u00ecnh.<\/li>\n<\/ul>\n

    Khi m\u00f4 h\u00ecnh h\u00f3a m\u1ed9t h\u1ec7 th\u1ed1ng, s\u01a1 \u0111\u1ed3 chu\u1ed7i \u0111\u00f3ng vai tr\u00f2 nh\u01b0 c\u00e2y c\u1ea7u n\u1ed1i gi\u1eefa c\u00e1c y\u00eau c\u1ea7u tr\u1eebu t\u01b0\u1ee3ng v\u00e0 thi\u1ebft k\u1ebf c\u1ee5 th\u1ec3. N\u00f3 chuy\u1ec3n \u0111\u1ed5i ph\u1ea7n ‘c\u00e1i g\u00ec’ trong y\u00eau c\u1ea7u th\u00e0nh ph\u1ea7n ‘l\u00e0m th\u1ebf n\u00e0o’ trong chi ti\u1ebft tri\u1ec3n khai.<\/p>\n

    Gi\u1ea3i ph\u1eabu c\u1ee7a s\u01a1 \u0111\u1ed3 chu\u1ed7i SysML \ud83e\uddf1<\/h2>\n

    \u0110\u1ec3 x\u00e2y d\u1ef1ng m\u1ed9t s\u01a1 \u0111\u1ed3 c\u00f3 \u00fd ngh\u0129a, ng\u01b0\u1eddi ta ph\u1ea3i hi\u1ec3u r\u00f5 c\u00e1c th\u00e0nh ph\u1ea7n c\u1ea5u th\u00e0nh. SysML k\u1ebf th\u1eeba ph\u1ea7n l\u1edbn c\u00fa ph\u00e1p t\u1eeb UML nh\u01b0ng \u0111i\u1ec1u ch\u1ec9nh n\u00f3 \u0111\u1eb7c bi\u1ec7t cho b\u1ed1i c\u1ea3nh k\u1ef9 thu\u1eadt h\u1ec7 th\u1ed1ng. M\u1ed7i th\u00e0nh ph\u1ea7n \u0111\u1ec1u c\u00f3 m\u1ed9t m\u1ee5c \u0111\u00edch ri\u00eang bi\u1ec7t trong c\u00e2u chuy\u1ec7n v\u1ec1 h\u00e0nh vi h\u1ec7 th\u1ed1ng.<\/p>\n

    1. \u0110\u01b0\u1eddng s\u1ed1ng v\u00e0 c\u00e1c th\u1ec3 hi\u1ec7n \u0111\u1ed1i t\u01b0\u1ee3ng \ud83c\udfd7\ufe0f<\/h3>\n

    M\u1ed9t \u0111\u01b0\u1eddng s\u1ed1ng \u0111\u1ea1i di\u1ec7n cho m\u1ed9t th\u00e0nh vi\u00ean tham gia t\u01b0\u01a1ng t\u00e1c. \u0110\u00f3 l\u00e0 \u0111\u01b0\u1eddng n\u00e9t \u0111\u1ee9t \u0111\u1ee9ng k\u00e9o d\u00e0i xu\u1ed1ng t\u1eeb \u0111\u1ec9nh s\u01a1 \u0111\u1ed3. M\u1ed7i \u0111\u01b0\u1eddng s\u1ed1ng t\u01b0\u01a1ng \u1ee9ng v\u1edbi m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng ho\u1eb7c m\u1ed9t th\u1ec3 hi\u1ec7n c\u1ee7a m\u1ed9t kh\u1ed1i trong h\u1ec7 th\u1ed1ng.<\/p>\n

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    • M\u00f4 t\u1ea3 th\u1ec3 hi\u1ec7n:<\/strong>M\u1ed9t \u0111\u01b0\u1eddng s\u1ed1ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c ghi nh\u00e3n b\u1eb1ng t\u00ean th\u1ec3 hi\u1ec7n v\u00e0 lo\u1ea1i kh\u1ed1i m\u00e0 n\u00f3 \u0111\u1ea1i di\u1ec7n.<\/li>\n
    • Ph\u1ea1m vi ki\u1ec3m so\u00e1t:<\/strong>\u0110\u01b0\u1eddng s\u1ed1ng cho bi\u1ebft kho\u1ea3ng th\u1eddi gian m\u00e0 th\u00e0nh vi\u00ean tham gia t\u01b0\u01a1ng t\u00e1c l\u00e0 ho\u1ea1t \u0111\u1ed9ng.<\/li>\n
    • Nhi\u1ec1u th\u1ec3 hi\u1ec7n:<\/strong>C\u00e1c h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p c\u00f3 th\u1ec3 c\u00f3 nhi\u1ec1u th\u1ec3 hi\u1ec7n c\u1ee7a c\u00f9ng m\u1ed9t kh\u1ed1i tham gia v\u00e0o m\u1ed9t chu\u1ed7i duy nh\u1ea5t. M\u1ed7i th\u1ec3 hi\u1ec7n s\u1ebd c\u00f3 \u0111\u01b0\u1eddng s\u1ed1ng ri\u00eang.<\/li>\n
    • V\u00f4 hi\u1ec7u h\u00f3a:<\/strong>Khi m\u1ed9t th\u00e0nh vi\u00ean kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng, thanh k\u00edch ho\u1ea1t s\u1ebd bi\u1ebfn m\u1ea5t, cho th\u1ea5y kho\u1ea3ng th\u1eddi gian kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng.<\/li>\n<\/ul>\n

      2. Tin nh\u1eafn v\u00e0 lu\u1ed3ng giao ti\u1ebfp \ud83d\udcac<\/h3>\n

      C\u00e1c tin nh\u1eafn l\u00e0 c\u00e1c m\u0169i t\u00ean ngang k\u1ebft n\u1ed1i c\u00e1c \u0111\u01b0\u1eddng s\u1ed1ng. Ch\u00fang \u0111\u1ea1i di\u1ec7n cho vi\u1ec7c chuy\u1ec3n giao \u0111i\u1ec1u khi\u1ec3n ho\u1eb7c d\u1eef li\u1ec7u. H\u01b0\u1edbng c\u1ee7a m\u0169i t\u00ean cho bi\u1ebft ng\u01b0\u1eddi g\u1eedi v\u00e0 ng\u01b0\u1eddi nh\u1eadn.<\/p>\n

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      • Tin nh\u1eafn \u0111\u1ed3ng b\u1ed9:<\/strong> Nh\u1eefng tin nh\u1eafn n\u00e0y y\u00eau c\u1ea7u ng\u01b0\u1eddi nh\u1eadn ho\u00e0n th\u00e0nh h\u00e0nh \u0111\u1ed9ng tr\u01b0\u1edbc khi ng\u01b0\u1eddi g\u1eedi ti\u1ebfp t\u1ee5c. \u0110\u00e2y l\u00e0 h\u00ecnh th\u1ee9c t\u01b0\u01a1ng t\u00e1c ph\u1ed5 bi\u1ebfn nh\u1ea5t.<\/li>\n
      • Tin nh\u1eafn b\u1ea5t \u0111\u1ed3ng b\u1ed9:<\/strong> Ng\u01b0\u1eddi g\u1eedi truy\u1ec1n t\u00edn hi\u1ec7u v\u00e0 ti\u1ebfp t\u1ee5c ngay l\u1eadp t\u1ee9c m\u00e0 kh\u00f4ng ch\u1edd ph\u1ea3n h\u1ed3i. \u0110i\u1ec1u n\u00e0y ph\u1ed5 bi\u1ebfn trong ghi nh\u1eadt k\u00fd ho\u1eb7c c\u00e1c s\u1ef1 ki\u1ec7n g\u1eedi \u0111i r\u1ed3i qu\u00ean.<\/li>\n
      • Tin nh\u1eafn tr\u1ea3 v\u1ec1:<\/strong> \u0110\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng c\u00e1c m\u0169i t\u00ean g\u1ea1ch, ch\u00fang cho bi\u1ebft vi\u1ec7c tr\u1ea3 l\u1ea1i quy\u1ec1n ki\u1ec3m so\u00e1t ho\u1eb7c d\u1eef li\u1ec7u v\u1ec1 cho ng\u01b0\u1eddi g\u1eedi.<\/li>\n
      • Tin nh\u1eafn t\u00edn hi\u1ec7u:<\/strong> \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng khi t\u01b0\u01a1ng t\u00e1c ch\u1ec9 l\u00e0 m\u1ed9t t\u00edn hi\u1ec7u thu\u1ea7n t\u00fay m\u00e0 kh\u00f4ng c\u00f3 gi\u00e1 tr\u1ecb tr\u1ea3 v\u1ec1.<\/li>\n<\/ul>\n

        3. Thanh k\u00edch ho\u1ea1t v\u00e0 c\u00e1c s\u1ef1 ki\u1ec7n th\u1ef1c thi \u26a1<\/h3>\n

        Thanh k\u00edch ho\u1ea1t (hay s\u1ef1 ki\u1ec7n th\u1ef1c thi) l\u00e0 m\u1ed9t h\u00ecnh ch\u1eef nh\u1eadt m\u1ecfng \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u00ean \u0111\u01b0\u1eddng \u0111\u1eddi s\u1ed1ng. N\u00f3 cho bi\u1ebft ng\u01b0\u1eddi tham gia \u0111ang th\u1ef1c hi\u1ec7n m\u1ed9t thao t\u00e1c m\u1ed9t c\u00e1ch t\u00edch c\u1ef1c trong kho\u1ea3ng th\u1eddi gian \u0111\u00f3.<\/p>\n

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        • Th\u1eddi l\u01b0\u1ee3ng:<\/strong> Chi\u1ec1u d\u00e0i c\u1ee7a thanh t\u01b0\u01a1ng \u1ee9ng v\u1edbi th\u1eddi gian th\u1ef1c hi\u1ec7n thao t\u00e1c.<\/li>\n
        • L\u1ed3ng gh\u00e9p:<\/strong> C\u00e1c thanh k\u00edch ho\u1ea1t l\u1ed3ng gh\u00e9p th\u1ec3 hi\u1ec7n c\u00e1c l\u1eddi g\u1ecdi \u0111\u1ec7 quy ho\u1eb7c c\u00e1c b\u01b0\u1edbc x\u1eed l\u00fd n\u1ed9i b\u1ed9.<\/li>\n
        • \u0110\u1ed3ng th\u1eddi:<\/strong> C\u00e1c thanh k\u00edch ho\u1ea1t song song tr\u00ean c\u00f9ng m\u1ed9t \u0111\u01b0\u1eddng \u0111\u1eddi s\u1ed1ng cho th\u1ea5y \u0111\u1ed1i t\u01b0\u1ee3ng c\u00f3 th\u1ec3 x\u1eed l\u00fd nhi\u1ec1u nhi\u1ec7m v\u1ee5 c\u00f9ng l\u00fac.<\/li>\n<\/ul>\n

          So s\u00e1nh c\u00e1c y\u1ebfu t\u1ed1 ch\u00ednh<\/h2>\n\n\n\n\n\n\n\n\n\n
          Y\u1ebfu t\u1ed1<\/th>\nM\u00f4 t\u1ea3<\/th>\nBi\u1ec3u di\u1ec5n tr\u1ef1c quan<\/th>\nTr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/th>\n<\/tr>\n<\/thead>\n
          \u0110\u01b0\u1eddng \u0111\u1eddi s\u1ed1ng<\/td>\nNg\u01b0\u1eddi tham gia t\u01b0\u01a1ng t\u00e1c<\/td>\n\u0110\u01b0\u1eddng n\u00e9t \u0111\u1ee9t \u0111\u1ee9ng<\/td>\nBi\u1ec3u di\u1ec5n c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng ho\u1eb7c kh\u1ed1i<\/td>\n<\/tr>\n
          Tin nh\u1eafn<\/td>\nT\u00edn hi\u1ec7u ho\u1eb7c truy\u1ec1n d\u1eef li\u1ec7u<\/td>\nM\u0169i t\u00ean ngang<\/td>\nK\u00edch ho\u1ea1t h\u00e0nh \u0111\u1ed9ng ho\u1eb7c truy\u1ec1n d\u1eef li\u1ec7u<\/td>\n<\/tr>\n
          Thanh k\u00edch ho\u1ea1t<\/td>\nTh\u1eddi gian ho\u1ea1t \u0111\u1ed9ng<\/td>\nH\u00ecnh ch\u1eef nh\u1eadt tr\u00ean \u0111\u01b0\u1eddng \u0111\u1eddi s\u1ed1ng<\/td>\nHi\u1ec3n th\u1ecb th\u1eddi gian th\u1ef1c thi<\/td>\n<\/tr>\n
          \u0110i\u1ec3m t\u1eadp trung \u0111i\u1ec1u khi\u1ec3n<\/td>\nChuy\u1ec3n giao \u0111i\u1ec1u khi\u1ec3n<\/td>\nH\u00ecnh ch\u1eef nh\u1eadt nh\u1ecf m\u00e0u \u0111en<\/td>\nCh\u1ec9 ra \u0111\u1ed1i t\u01b0\u1ee3ng n\u00e0o ki\u1ec3m so\u00e1t lu\u1ed3ng<\/td>\n<\/tr>\n
          Tin nh\u1eafn t\u1ef1 th\u00e2n<\/td>\nTin nh\u1eafn g\u1eedi cho ch\u00ednh m\u00ecnh<\/td>\nM\u0169i t\u00ean cong<\/td>\nV\u00f2ng l\u1eb7p x\u1eed l\u00fd n\u1ed9i b\u1ed9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

          Logic th\u1eddi gian trong thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng \u23f1\ufe0f<\/h2>\n

          Th\u1eddi gian l\u00e0 \u0111\u1eb7c \u0111i\u1ec3m \u0111\u1ecbnh ngh\u0129a c\u1ee7a s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1. N\u00f3 kh\u00f4ng ch\u1ec9 l\u00e0 b\u1ed1 c\u1ee5c tr\u1ef1c quan; m\u00e0 c\u00f2n ng\u1ee5 \u00fd m\u1ed1i quan h\u1ec7 nh\u00e2n qu\u1ea3. N\u1ebfu S\u1ef1 ki\u1ec7n A x\u1ea3y ra tr\u01b0\u1edbc S\u1ef1 ki\u1ec7n B, th\u00ec S\u1ef1 ki\u1ec7n A l\u00e0 \u0111i\u1ec1u ki\u1ec7n ti\u00ean quy\u1ebft cho S\u1ef1 ki\u1ec7n B.<\/p>\n

          C\u00e1c r\u00e0ng bu\u1ed9c th\u1ee9 t\u1ef1<\/h3>\n

          V\u1ecb tr\u00ed th\u1eb3ng \u0111\u1ee9ng c\u1ee7a c\u00e1c tin nh\u1eafn bu\u1ed9c ph\u1ea3i tu\u00e2n theo c\u00e1c quy t\u1eafc th\u1ee9 t\u1ef1 nghi\u00eam ng\u1eb7t.<\/p>\n

            \n
          • Th\u1ee9 t\u1ef1 nghi\u00eam ng\u1eb7t:<\/strong> C\u00e1c s\u1ef1 ki\u1ec7n \u1edf v\u1ecb tr\u00ed cao h\u01a1n tr\u00ean s\u01a1 \u0111\u1ed3 ph\u1ea3i x\u1ea3y ra tr\u01b0\u1edbc c\u00e1c s\u1ef1 ki\u1ec7n \u1edf v\u1ecb tr\u00ed th\u1ea5p h\u01a1n tr\u00ean s\u01a1 \u0111\u1ed3.<\/li>\n
          • Th\u1ef1c thi \u0111\u1ed3ng th\u1eddi:<\/strong> N\u1ebfu hai \u0111\u01b0\u1eddng \u0111\u1eddi s\u1ed1ng c\u00f3 c\u00e1c thanh k\u00edch ho\u1ea1t \u1edf c\u00f9ng m\u1ee9c th\u1eb3ng \u0111\u1ee9ng, th\u00ec c\u00e1c qu\u00e1 tr\u00ecnh \u0111\u00f3 \u0111ang ch\u1ea1y \u0111\u1ed3ng th\u1eddi.<\/li>\n
          • Song song:<\/strong> SysML cho ph\u00e9p m\u00f4 h\u00ecnh h\u00f3a c\u00e1c qu\u00e1 tr\u00ecnh song song b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c \u0111o\u1ea1n k\u1ebft h\u1ee3p, \u0111\u1ea3m b\u1ea3o th\u1eddi gian \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n ch\u00ednh x\u00e1c gi\u1eefa c\u00e1c h\u1ec7 th\u1ed1ng con.<\/li>\n<\/ul>\n

            Ch\u1eadm tr\u1ec5 v\u00e0 th\u1eddi gian<\/h3>\n

            Kh\u00f4ng ph\u1ea3i m\u1ecdi h\u1ec7 th\u1ed1ng \u0111\u1ec1u ho\u1ea1t \u0111\u1ed9ng theo th\u1eddi gian th\u1ef1c. M\u1ed9t s\u1ed1 t\u01b0\u01a1ng t\u00e1c bao g\u1ed3m c\u00e1c kho\u1ea3ng th\u1eddi gian ch\u1edd \u0111\u1ee3i. SysML h\u1ed7 tr\u1ee3 bi\u1ec3u di\u1ec5n c\u00e1c kho\u1ea3ng tr\u1ec5.<\/p>\n

              \n
            • H\u1ea1n ch\u00f3t:<\/strong> C\u00e1c m\u00f4 h\u00ecnh c\u00f3 th\u1ec3 bi\u1ec3u di\u1ec5n c\u00e1c t\u00ecnh hu\u1ed1ng m\u00e0 m\u1ed9t tin nh\u1eafn kh\u00f4ng \u0111\u01b0\u1ee3c nh\u1eadn trong khung th\u1eddi gian c\u1ee5 th\u1ec3, g\u00e2y ra tr\u1ea1ng th\u00e1i l\u1ed7i.<\/li>\n
            • \u0110\u1ed9 tr\u1ec5:<\/strong> C\u00e1c thanh k\u00edch ho\u1ea1t d\u00e0i c\u00f3 th\u1ec3 bi\u1ec3u di\u1ec5n \u0111\u1ed9 tr\u1ec5 x\u1eed l\u00fd, gi\u00fap c\u00e1c k\u1ef9 s\u01b0 x\u00e1c \u0111\u1ecbnh c\u00e1c \u0111i\u1ec3m ngh\u1ebdn hi\u1ec7u su\u1ea5t.<\/li>\n
            • S\u1ef1 ki\u1ec7n \u0111\u1ecbnh k\u1ef3:<\/strong> M\u1ed9t s\u1ed1 t\u01b0\u01a1ng t\u00e1c x\u1ea3y ra theo c\u00e1c kho\u1ea3ng th\u1eddi gian \u0111\u1ec1u \u0111\u1eb7n. Nh\u1eefng t\u01b0\u01a1ng t\u00e1c n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c m\u00f4 h\u00ecnh h\u00f3a b\u1eb1ng c\u00e1c \u0111o\u1ea1n v\u00f2ng l\u1eb7p \u0111\u1ec3 th\u1ec3 hi\u1ec7n h\u00e0nh vi l\u1eb7p l\u1ea1i.<\/li>\n<\/ul>\n

              C\u00e1c \u0111o\u1ea1n t\u01b0\u01a1ng t\u00e1c cho logic \ud83e\udde9<\/h2>\n

              C\u00e1c h\u1ec7 th\u1ed1ng th\u1ef1c t\u1ebf hi\u1ebfm khi tuy\u1ebfn t\u00ednh. Ch\u00fang bao g\u1ed3m c\u00e1c l\u1ef1a ch\u1ecdn, v\u00f2ng l\u1eb7p v\u00e0 c\u00e1c h\u00e0nh vi t\u00f9y ch\u1ecdn. C\u00e1c s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 SysML s\u1eed d\u1ee5ng c\u00e1c \u0111o\u1ea1n t\u01b0\u01a1ng t\u00e1c \u0111\u1ec3 \u0111\u00f3ng g\u00f3i c\u00e1c c\u1ea5u tr\u00fac logic n\u00e0y.<\/p>\n

              1. Alt (\u0110o\u1ea1n thay th\u1ebf)<\/h3>\n

              \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 m\u00f4 h\u00ecnh h\u00f3a logic \u0111i\u1ec1u ki\u1ec7n. S\u01a1 \u0111\u1ed3 t\u00e1ch th\u00e0nh c\u00e1c nh\u00e1nh kh\u00e1c nhau d\u1ef1a tr\u00ean \u0111i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7.<\/p>\n

                \n
              • \u0110\u00e1nh gi\u00e1 \u0111i\u1ec1u ki\u1ec7n:<\/strong>M\u1ed7i nh\u00e1nh \u0111\u1ec1u c\u00f3 m\u1ed9t \u0111i\u1ec1u ki\u1ec7n ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u00e1p \u1ee9ng \u0111\u1ec3 nh\u00e1nh \u0111\u00f3 \u0111\u01b0\u1ee3c th\u1ef1c thi.<\/li>\n
              • Nh\u00e1nh m\u1eb7c \u0111\u1ecbnh:<\/strong>N\u1ebfu kh\u00f4ng c\u00f3 \u0111i\u1ec1u ki\u1ec7n c\u1ee5 th\u1ec3 n\u00e0o \u0111\u01b0\u1ee3c \u0111\u00e1p \u1ee9ng, nh\u00e1nh m\u1eb7c \u0111\u1ecbnh (n\u1ebfu \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a) s\u1ebd \u0111\u01b0\u1ee3c th\u1ef1c thi.<\/li>\n
              • Nhi\u1ec1u l\u1ef1a ch\u1ecdn:<\/strong>B\u1ea1n c\u00f3 th\u1ec3 m\u00f4 h\u00ecnh h\u00f3a nhi\u1ec1u nh\u00e1nh cho c\u00e1c k\u1ebft qu\u1ea3 kh\u00e1c nhau c\u1ee7a m\u1ed9t quy\u1ebft \u0111\u1ecbnh.<\/li>\n<\/ul>\n

                2. Opt (\u0110o\u1ea1n t\u00f9y ch\u1ecdn)<\/h3>\n

                Gi\u1ed1ng nh\u01b0 c\u00e1c l\u1ef1a ch\u1ecdn thay th\u1ebf, nh\u01b0ng \u0111i\u1ec1u n\u00e0y cho th\u1ea5y m\u1ed9t t\u01b0\u01a1ng t\u00e1c c\u1ee5 th\u1ec3 c\u00f3 th\u1ec3 x\u1ea3y ra ho\u1eb7c kh\u00f4ng x\u1ea3y ra.<\/p>\n

                  \n
                • Th\u1ef1c thi \u0111i\u1ec1u ki\u1ec7n:<\/strong>N\u1ebfu \u0111i\u1ec1u ki\u1ec7n \u0111\u00fang, t\u01b0\u01a1ng t\u00e1c s\u1ebd x\u1ea3y ra. N\u1ebfu sai, t\u01b0\u01a1ng t\u00e1c s\u1ebd b\u1ecb b\u1ecf qua.<\/li>\n
                • Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng:<\/strong>L\u00fd t\u01b0\u1edfng cho c\u00e1c t\u00ednh n\u0103ng t\u00f9y ch\u1ecdn ho\u1eb7c c\u01a1 ch\u1ebf ph\u1ee5c h\u1ed3i l\u1ed7i.<\/li>\n<\/ul>\n

                  3. \u0110o\u1ea1n v\u00f2ng l\u1eb7p<\/h3>\n

                  Bi\u1ec3u di\u1ec5n h\u00e0nh vi l\u1eb7p l\u1ea1i. \u0110i\u1ec1u n\u00e0y ph\u1ed5 bi\u1ebfn trong x\u1eed l\u00fd d\u1eef li\u1ec7u ho\u1eb7c c\u01a1 ch\u1ebf ki\u1ec3m tra.<\/p>\n

                    \n
                  • S\u1ed1 l\u1ea7n l\u1eb7p:<\/strong>B\u1ea1n c\u00f3 th\u1ec3 ch\u1ec9 \u0111\u1ecbnh m\u1ed9t s\u1ed1 l\u1ea7n l\u1eb7p c\u1ee5 th\u1ec3.<\/li>\n
                  • \u0110i\u1ec1u ki\u1ec7n While:<\/strong>V\u00f2ng l\u1eb7p ti\u1ebfp t\u1ee5c cho \u0111\u1ebfn khi \u0111i\u1ec1u ki\u1ec7n tr\u1edf th\u00e0nh sai.<\/li>\n
                  • V\u1edbi m\u1ed7i:<\/strong>L\u1eb7p qua m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c m\u1ee5c.<\/li>\n<\/ul>\n

                    4. Ref (\u0110o\u1ea1n tham chi\u1ebfu)<\/h3>\n

                    \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 tham chi\u1ebfu \u0111\u1ebfn m\u1ed9t s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 kh\u00e1c. \u0110i\u1ec1u n\u00e0y gi\u00fap qu\u1ea3n l\u00fd \u0111\u1ed9 ph\u1ee9c t\u1ea1p b\u1eb1ng c\u00e1ch chia m\u1ed9t s\u01a1 \u0111\u1ed3 l\u1edbn th\u00e0nh c\u00e1c ph\u1ea7n nh\u1ecf h\u01a1n, d\u1ec5 qu\u1ea3n l\u00fd.<\/p>\n

                      \n
                    • Tr\u1eebu t\u01b0\u1ee3ng h\u00f3a:<\/strong>Gi\u1eef s\u01a1 \u0111\u1ed3 ch\u00ednh s\u1ea1ch s\u1ebd b\u1eb1ng c\u00e1ch \u1ea9n logic chi ti\u1ebft.<\/li>\n
                    • Kh\u1ea3 n\u0103ng t\u00e1i s\u1eed d\u1ee5ng:<\/strong>C\u00e1c quy tr\u00ecnh con ph\u1ed5 bi\u1ebfn c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a m\u1ed9t l\u1ea7n v\u00e0 tham chi\u1ebfu nhi\u1ec1u l\u1ea7n.<\/li>\n<\/ul>\n

                      T\u00edch h\u1ee3p v\u1edbi c\u00e1c s\u01a1 \u0111\u1ed3 SysML kh\u00e1c \ud83d\udd17<\/h2>\n

                      S\u01a1 \u0111\u1ed3 tr\u00ecnh t\u1ef1 kh\u00f4ng t\u1ed3n t\u1ea1i m\u1ed9t c\u00e1ch bi\u1ec7t. Ch\u00fang l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a h\u1ec7 sinh th\u00e1i l\u1edbn h\u01a1n g\u1ed3m c\u00e1c m\u00f4 h\u00ecnh. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n, ch\u00fang ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c lo\u1ea1i s\u01a1 \u0111\u1ed3 kh\u00e1c.<\/p>\n

                      S\u01a1 \u0111\u1ed3 \u0110\u1ecbnh ngh\u0129a Kh\u1ed1i (BDD)<\/h3>\n

                      BDD x\u00e1c \u0111\u1ecbnh th\u1ee9 t\u1ef1 ph\u00e2n c\u1ea5p c\u1ea5u tr\u00fac. S\u01a1 \u0111\u1ed3 tr\u00ecnh t\u1ef1 ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1c kh\u1ed1i \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a \u1edf \u0111\u00e2y. M\u1ed7i \u0111\u01b0\u1eddng s\u1ed1ng trong s\u01a1 \u0111\u1ed3 tr\u00ecnh t\u1ef1 ph\u1ea3i t\u01b0\u01a1ng \u1ee9ng v\u1edbi m\u1ed9t kh\u1ed1i ho\u1eb7c b\u1ed9 ph\u1eadn h\u1ee3p l\u1ec7 trong BDD.<\/p>\n

                        \n
                      • Ki\u1ec3m tra t\u00ednh nh\u1ea5t qu\u00e1n:<\/strong>\u0110\u1ea3m b\u1ea3o r\u1eb1ng t\u1ea5t c\u1ea3 c\u00e1c kh\u1ed1i \u0111\u01b0\u1ee3c tham chi\u1ebfu trong s\u01a1 \u0111\u1ed3 tr\u00ecnh t\u1ef1 \u0111\u1ec1u t\u1ed3n t\u1ea1i trong s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac.<\/li>\n
                      • M\u1ed1i quan h\u1ec7:<\/strong>X\u00e1c minh r\u1eb1ng c\u00e1c m\u1ed1i li\u00ean k\u1ebft v\u00e0 ph\u1ee5 thu\u1ed9c gi\u1eefa hai s\u01a1 \u0111\u1ed3 l\u00e0 ph\u00f9 h\u1ee3p.<\/li>\n<\/ul>\n

                        S\u01a1 \u0111\u1ed3 Kh\u1ed1i N\u1ed9i b\u1ed9 (IBD)<\/h3>\n

                        IBD chi ti\u1ebft c\u00e1c k\u1ebft n\u1ed1i n\u1ed9i b\u1ed9 c\u1ee7a m\u1ed9t kh\u1ed1i. S\u01a1 \u0111\u1ed3 tr\u00ecnh t\u1ef1 th\u1ec3 hi\u1ec7n lu\u1ed3ng, trong khi IBD th\u1ec3 hi\u1ec7n c\u00e1c c\u1ed5ng v\u1eadt l\u00fd ho\u1eb7c logic.<\/p>\n

                          \n
                        • Ph\u00f9 h\u1ee3p c\u1ed5ng:<\/strong>C\u00e1c tin nh\u1eafn trong s\u01a1 \u0111\u1ed3 tr\u00ecnh t\u1ef1 ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1ecbnh tuy\u1ebfn qua c\u00e1c c\u1ed5ng \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a trong IBD.<\/li>\n
                        • K\u1ebft n\u1ed1i lu\u1ed3ng:<\/strong>\u0110\u1ea3m b\u1ea3o r\u1eb1ng lu\u1ed3ng t\u00edn hi\u1ec7u ph\u00f9 h\u1ee3p v\u1edbi lu\u1ed3ng d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a b\u00ean trong.<\/li>\n<\/ul>\n

                          S\u01a1 \u0111\u1ed3 M\u00e1y tr\u1ea1ng th\u00e1i<\/h3>\n

                          C\u00e1c m\u00e1y tr\u1ea1ng th\u00e1i x\u00e1c \u0111\u1ecbnh c\u00e1c tr\u1ea1ng th\u00e1i n\u1ed9i b\u1ed9 c\u1ee7a m\u1ed9t kh\u1ed1i. S\u01a1 \u0111\u1ed3 tr\u00ecnh t\u1ef1 th\u01b0\u1eddng k\u00edch ho\u1ea1t c\u00e1c chuy\u1ec3n \u0111\u1ed5i tr\u1ea1ng th\u00e1i.<\/p>\n

                            \n
                          • K\u00edch ho\u1ea1t chuy\u1ec3n \u0111\u1ed5i:<\/strong>C\u00e1c tin nh\u1eafn trong s\u01a1 \u0111\u1ed3 tr\u00ecnh t\u1ef1 th\u01b0\u1eddng k\u00edch ho\u1ea1t c\u00e1c chuy\u1ec3n \u0111\u1ed5i trong m\u00e1y tr\u1ea1ng th\u00e1i.<\/li>\n
                          • X\u00e1c minh tr\u1ea1ng th\u00e1i:<\/strong>X\u00e1c minh r\u1eb1ng m\u1ed9t tin nh\u1eafn l\u00e0 h\u1ee3p l\u1ec7 \u0111\u1ed1i v\u1edbi tr\u1ea1ng th\u00e1i hi\u1ec7n t\u1ea1i c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng.<\/li>\n<\/ul>\n

                            X\u00e1c minh v\u00e0 ki\u1ec3m ch\u1ee9ng th\u00f4ng qua c\u00e1c s\u01a1 \u0111\u1ed3 tr\u00ecnh t\u1ef1 \u2705<\/h2>\n

                            M\u1ed9t trong nh\u1eefng l\u1ee3i \u00edch ch\u00ednh c\u1ee7a s\u01a1 \u0111\u1ed3 tr\u00ecnh t\u1ef1 SysML l\u00e0 kh\u1ea3 n\u0103ng x\u00e1c minh h\u00e0nh vi h\u1ec7 th\u1ed1ng t\u1eeb s\u1edbm trong v\u00f2ng \u0111\u1eddi. \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3m r\u1ee7i ro v\u00e0 chi ph\u00ed.<\/p>\n

                              \n
                            • Ph\u00e2n t\u00edch kho\u1ea3ng tr\u1ed1ng:<\/strong>So s\u00e1nh s\u01a1 \u0111\u1ed3 tr\u00ecnh t\u1ef1 v\u1edbi c\u00e1c y\u00eau c\u1ea7u \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u00f4ng t\u1ed3n t\u1ea1i kho\u1ea3ng tr\u1ed1ng ch\u1ee9c n\u0103ng n\u00e0o.<\/li>\n
                            • X\u00e1c minh giao di\u1ec7n:<\/strong>\u0110\u1ea3m b\u1ea3o r\u1eb1ng t\u1ea5t c\u1ea3 c\u00e1c h\u1ee3p \u0111\u1ed3ng giao di\u1ec7n \u0111\u01b0\u1ee3c \u0111\u00e1p \u1ee9ng gi\u1eefa c\u00e1c th\u00e0nh ph\u1ea7n.<\/li>\n
                            • Ki\u1ec3m th\u1eed t\u00ecnh hu\u1ed1ng:<\/strong>S\u1eed d\u1ee5ng c\u00e1c s\u01a1 \u0111\u1ed3 \u0111\u1ec3 t\u1ea1o c\u00e1c tr\u01b0\u1eddng h\u1ee3p ki\u1ec3m th\u1eed. M\u1ed7i h\u00e0nh tr\u00ecnh trong m\u1ed9t kh\u1ed1i Alt c\u00f3 th\u1ec3 tr\u1edf th\u00e0nh m\u1ed9t t\u00ecnh hu\u1ed1ng ki\u1ec3m th\u1eed c\u1ee5 th\u1ec3.<\/li>\n
                            • Ph\u00e1t hi\u1ec7n xung \u0111\u1ed9t:<\/strong>Ph\u00e1t hi\u1ec7n c\u00e1c h\u00e0nh vi m\u00e2u thu\u1eabn n\u01a1i hai th\u00e0nh ph\u1ea7n mong \u0111\u1ee3i c\u00e1c ph\u1ea3n h\u1ed3i kh\u00e1c nhau \u0111\u1ed1i v\u1edbi c\u00f9ng m\u1ed9t \u0111\u1ea7u v\u00e0o.<\/li>\n<\/ul>\n

                              C\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t cho kh\u1ea3 n\u0103ng b\u1ea3o tr\u00ec \ud83d\udee1\ufe0f<\/h2>\n

                              Khi c\u00e1c h\u1ec7 th\u1ed1ng ph\u00e1t tri\u1ec3n, c\u00e1c m\u00f4 h\u00ecnh c\u00f3 th\u1ec3 tr\u1edf n\u00ean kh\u00f3 ki\u1ec3m so\u00e1t. Vi\u1ec7c tu\u00e2n theo c\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c s\u01a1 \u0111\u1ed3 v\u1eabn h\u1eefu \u00edch theo th\u1eddi gian.<\/p>\n

                                \n
                              • Gi\u1edbi h\u1ea1n ph\u1ea1m vi:<\/strong>Gi\u1eef c\u00e1c s\u01a1 \u0111\u1ed3 t\u1eadp trung v\u00e0o c\u00e1c t\u00ecnh hu\u1ed1ng c\u1ee5 th\u1ec3. Tr\u00e1nh c\u1ed1 g\u1eafng m\u00f4 h\u00ecnh h\u00f3a to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng trong m\u1ed9t s\u01a1 \u0111\u1ed3.<\/li>\n
                              • M\u1ee9c \u0111\u1ed9 tr\u1eebu t\u01b0\u1ee3ng:<\/strong>S\u1eed d\u1ee5ng c\u00e1c m\u1ee9c \u0111\u1ed9 chi ti\u1ebft kh\u00e1c nhau. C\u00e1c s\u01a1 \u0111\u1ed3 c\u1ea5p cao th\u1ec3 hi\u1ec7n c\u00e1c m\u1ed1c quan tr\u1ecdng; c\u00e1c s\u01a1 \u0111\u1ed3 chi ti\u1ebft th\u1ec3 hi\u1ec7n c\u00e1c giao ti\u1ebfp d\u1eef li\u1ec7u c\u1ee5 th\u1ec3.<\/li>\n
                              • Quy \u01b0\u1edbc \u0111\u1eb7t t\u00ean:<\/strong>S\u1eed d\u1ee5ng c\u00e1ch \u0111\u1eb7t t\u00ean nh\u1ea5t qu\u00e1n cho c\u00e1c kh\u1ed1i, tin nh\u1eafn v\u00e0 \u0111\u01b0\u1eddng s\u1ed1ng. \u0110i\u1ec1u n\u00e0y h\u1ed7 tr\u1ee3 kh\u1ea3 n\u0103ng truy xu\u1ea5t ngu\u1ed3n g\u1ed1c.<\/li>\n
                              • Ki\u1ec3m so\u00e1t phi\u00ean b\u1ea3n:<\/strong>Xem s\u01a1 \u0111\u1ed3 nh\u01b0 m\u00e3 ngu\u1ed3n. Qu\u1ea3n l\u00fd c\u00e1c thay \u0111\u1ed5i v\u00e0 phi\u00ean b\u1ea3n \u0111\u1ec3 theo d\u00f5i s\u1ef1 ph\u00e1t tri\u1ec3n.<\/li>\n
                              • T\u00e0i li\u1ec7u:<\/strong>Th\u00eam ch\u00fa th\u00edch cho c\u00e1c logic ph\u1ee9c t\u1ea1p. Gi\u1ea3i th\u00edch l\u00fd do \u0111\u1eb1ng sau m\u1ed9t s\u1ed1 lu\u1ed3ng, ch\u1ee9 kh\u00f4ng ch\u1ec9 l\u00e0 \u0111i\u1ec1u g\u00ec x\u1ea3y ra.<\/li>\n<\/ul>\n

                                Nh\u1eefng l\u1ed7i m\u00f4 h\u00ecnh h\u00f3a ph\u1ed5 bi\u1ebfn c\u1ea7n tr\u00e1nh \u26a0\ufe0f<\/h2>\n

                                Ngay c\u1ea3 c\u00e1c k\u1ef9 s\u01b0 c\u00f3 kinh nghi\u1ec7m c\u0169ng c\u00f3 th\u1ec3 m\u1eafc b\u1eaby khi m\u00f4 h\u00ecnh h\u00f3a h\u00e0nh vi. Nh\u1eadn th\u1ee9c \u0111\u01b0\u1ee3c nh\u1eefng \u0111i\u1ec3m nguy hi\u1ec3m ph\u1ed5 bi\u1ebfn s\u1ebd gi\u00fap duy tr\u00ec t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a m\u00f4 h\u00ecnh.<\/p>\n\n\n\n\n\n\n\n\n\n
                                L\u1ed7i<\/th>\nT\u00e1c \u0111\u1ed9ng<\/th>\nChi\u1ebfn l\u01b0\u1ee3c gi\u1ea3m thi\u1ec3u<\/th>\n<\/tr>\n<\/thead>\n
                                C\u00e1c ph\u1ee5 thu\u1ed9c v\u00f2ng<\/td>\nC\u00e1c t\u00ecnh tr\u1ea1ng k\u1eb9t trong logic<\/td>\nKi\u1ec3m tra c\u00e1c v\u00f2ng h\u1ed3i ti\u1ebfp kh\u00f4ng c\u00f3 \u0111i\u1ec1u ki\u1ec7n k\u1ebft th\u00fac<\/td>\n<\/tr>\n
                                C\u00e1c m\u1ee9c \u0111\u1ed9 tr\u1eebu t\u01b0\u1ee3ng pha tr\u1ed9n<\/td>\nG\u00e2y nh\u1ea7m l\u1eabn cho ng\u01b0\u1eddi \u0111\u1ecdc<\/td>\nGi\u1eef m\u1ee9c \u0111\u1ed9 chi ti\u1ebft tin nh\u1eafn nh\u1ea5t qu\u00e1n trong m\u1ed9t s\u01a1 \u0111\u1ed3<\/td>\n<\/tr>\n
                                Thi\u1ebfu tin nh\u1eafn tr\u1ea3 v\u1ec1<\/td>\nLu\u1ed3ng ch\u01b0a ho\u00e0n ch\u1ec9nh<\/td>\n\u0110\u1ea3m b\u1ea3o m\u1ecdi tin nh\u1eafn \u0111\u1ed3ng b\u1ed9 \u0111\u1ec1u c\u00f3 \u0111\u01b0\u1eddng tr\u1ea3 v\u1ec1<\/td>\n<\/tr>\n
                                Qu\u00e1 ph\u1ee9c t\u1ea1p<\/td>\nM\u00f4 h\u00ecnh kh\u00f4ng th\u1ec3 duy tr\u00ec<\/td>\nT\u00e1i c\u1ea5u tr\u00fac th\u00e0nh c\u00e1c s\u01a1 \u0111\u1ed3 nh\u1ecf h\u01a1n b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c \u0111o\u1ea1n Ref<\/td>\n<\/tr>\n
                                B\u1ecf qua th\u1eddi gian ch\u1edd<\/td>\nH\u1ec7 th\u1ed1ng b\u1ecb treo<\/td>\nBao g\u1ed3m c\u00e1c \u0111\u01b0\u1eddng d\u1eabn x\u1eed l\u00fd l\u1ed7i cho c\u00e1c tin nh\u1eafn b\u1ecb tr\u00ec ho\u00e3n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                C\u00e1c m\u1eabu n\u00e2ng cao cho c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p \ud83d\ude80<\/h2>\n

                                \u0110\u1ed1i v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p cao, c\u00e1c m\u1eabu ti\u00eau chu\u1ea9n c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u1ee7. C\u00e1c k\u1ef9 thu\u1eadt m\u00f4 h\u00ecnh h\u00f3a n\u00e2ng cao c\u00f3 th\u1ec3 gi\u1ea3i quy\u1ebft c\u00e1c th\u00e1ch th\u1ee9c c\u1ee5 th\u1ec3.<\/p>\n

                                1. X\u1eed l\u00fd song song<\/h3>\n

                                Khi nhi\u1ec1u h\u1ec7 th\u1ed1ng con ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed3ng th\u1eddi, h\u00e3y s\u1eed d\u1ee5ng c\u00e1c \u0111o\u1ea1n k\u1ebft h\u1ee3p song song. \u0110i\u1ec1u n\u00e0y m\u00f4 h\u00ecnh h\u00f3a r\u00f5 r\u00e0ng t\u00ednh \u0111\u1ed3ng th\u1eddi v\u00e0 gi\u00fap ph\u00e1t hi\u1ec7n c\u00e1c \u0111i\u1ec1u ki\u1ec7n c\u1ea1nh tranh.<\/p>\n

                                  \n
                                • \u0110\u1ed3ng b\u1ed9 h\u00f3a:<\/strong> \u0110\u1ea3m b\u1ea3o c\u00e1c nh\u00e1nh song song h\u1ed9i t\u1ee5 \u0111\u00fang c\u00e1ch.<\/li>\n
                                • Chia s\u1ebb t\u00e0i nguy\u00ean:<\/strong>C\u1ea9n th\u1eadn khi nhi\u1ec1u lu\u1ed3ng truy c\u1eadp v\u00e0o t\u00e0i nguy\u00ean chung.<\/li>\n<\/ul>\n

                                  2. Ki\u1ebfn tr\u00fac d\u1ef1a tr\u00ean s\u1ef1 ki\u1ec7n<\/h3>\n

                                  C\u00e1c h\u1ec7 th\u1ed1ng hi\u1ec7n \u0111\u1ea1i th\u01b0\u1eddng d\u1ef1a v\u00e0o s\u1ef1 ki\u1ec7n thay v\u00ec c\u00e1c l\u1eddi g\u1ecdi tr\u1ef1c ti\u1ebfp. S\u1eed d\u1ee5ng c\u00e1c tin nh\u1eafn t\u00edn hi\u1ec7u \u0111\u1ec3 m\u00f4 h\u00ecnh h\u00f3a c\u00e1c t\u01b0\u01a1ng t\u00e1c d\u1ef1a tr\u00ean s\u1ef1 ki\u1ec7n.<\/p>\n

                                    \n
                                  • M\u00f4 h\u00ecnh Ph\u00e1t h\u00e0nh\/\u0110\u0103ng k\u00fd (Pub\/Sub):<\/strong>Bi\u1ec3u di\u1ec5n r\u00f5 r\u00e0ng ng\u01b0\u1eddi ph\u00e1t h\u00e0nh v\u00e0 ng\u01b0\u1eddi \u0111\u0103ng k\u00fd.<\/li>\n
                                  • H\u00e0ng \u0111\u1ee3i s\u1ef1 ki\u1ec7n:<\/strong>M\u00f4 h\u00ecnh h\u00f3a kho\u1ea3ng th\u1eddi gian tr\u00ec ho\u00e3n gi\u1eefa vi\u1ec7c t\u1ea1o s\u1ef1 ki\u1ec7n v\u00e0 x\u1eed l\u00fd s\u1ef1 ki\u1ec7n.<\/li>\n<\/ul>\n

                                    3. Th\u1ee9 t\u1ef1 ph\u00e2n c\u1ea5p<\/h3>\n

                                    Chia nh\u1ecf c\u00e1c chu\u1ed7i ph\u1ee9c t\u1ea1p th\u00e0nh c\u00e1c chu\u1ed7i con. C\u00e1ch ti\u1ebfp c\u1eadn m\u00f4-\u0111un n\u00e0y cho ph\u00e9p c\u00e1c \u0111\u1ed9i l\u00e0m vi\u1ec7c tr\u00ean c\u00e1c ph\u1ea7n kh\u00e1c nhau c\u1ee7a h\u1ec7 th\u1ed1ng \u0111\u1ed3ng th\u1eddi.<\/p>\n

                                      \n
                                    • Kh\u1ea3 n\u0103ng truy xu\u1ea5t ngu\u1ed3n g\u1ed1c:<\/strong>Duy tr\u00ec c\u00e1c li\u00ean k\u1ebft gi\u1eefa chu\u1ed7i cha v\u00e0 chu\u1ed7i con.<\/li>\n
                                    • Bao \u0111\u00f3ng:<\/strong>Che gi\u1ea5u c\u00e1c chi ti\u1ebft n\u1ed9i b\u1ed9 c\u1ee7a c\u00e1c qu\u00e1 tr\u00ecnh con cho \u0111\u1ebfn khi c\u1ea7n thi\u1ebft.<\/li>\n<\/ul>\n

                                      \u0110\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n tr\u00ean to\u00e0n b\u1ed9 m\u00f4 h\u00ecnh \ud83d\udd04<\/h2>\n

                                      Duy tr\u00ec t\u00ednh nh\u1ea5t qu\u00e1n tr\u00ean to\u00e0n b\u1ed9 m\u00f4 h\u00ecnh l\u00e0 m\u1ed9t n\u1ed7 l\u1ef1c li\u00ean t\u1ee5c. Nh\u1eefng b\u1ea5t nh\u1ea5t d\u1eabn \u0111\u1ebfn l\u1ed7i trong h\u1ec7 th\u1ed1ng cu\u1ed1i c\u00f9ng.<\/p>\n

                                        \n
                                      • Ki\u1ec3m tra t\u1ef1 \u0111\u1ed9ng:<\/strong>S\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 ki\u1ec3m tra m\u00f4 h\u00ecnh \u0111\u1ec3 ph\u00e1t hi\u1ec7n s\u1ef1 b\u1ea5t nh\u1ea5t gi\u1eefa c\u00e1c lo\u1ea1i s\u01a1 \u0111\u1ed3.<\/li>\n
                                      • \u0110\u00e1nh gi\u00e1 \u0111\u1ecbnh k\u1ef3:<\/strong>Th\u1ef1c hi\u1ec7n \u0111\u00e1nh gi\u00e1 ch\u00e9o c\u00e1c s\u01a1 \u0111\u1ed3 th\u1ee9 t\u1ef1 \u0111\u1ec3 ph\u00e1t hi\u1ec7n l\u1ed7i logic.<\/li>\n
                                      • C\u1eadp nh\u1eadt y\u00eau c\u1ea7u:<\/strong>Khi y\u00eau c\u1ea7u thay \u0111\u1ed5i, c\u1eadp nh\u1eadt s\u01a1 \u0111\u1ed3 ngay l\u1eadp t\u1ee9c \u0111\u1ec3 tr\u00e1nh l\u1ec7ch l\u1ea1c.<\/li>\n
                                      • Qu\u1ea3n l\u00fd c\u01a1 s\u1edf (Baseline):<\/strong> Thi\u1ebft l\u1eadp c\u00e1c \u0111\u01b0\u1eddng chu\u1ea9n cho c\u00e1c m\u00f4 h\u00ecnh \u1ed5n \u0111\u1ecbnh \u0111\u1ec3 theo d\u00f5i c\u00e1c thay \u0111\u1ed5i theo th\u1eddi gian.<\/li>\n<\/ul>\n

                                        T\u00f3m t\u1eaft nh\u1eefng \u0111i\u1ec3m ch\u00ednh c\u1ea7n l\u01b0u \u00fd \ud83d\udcdd<\/h2>\n

                                        C\u00e1c s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 SysML l\u00e0 c\u00f4ng c\u1ee5 n\u1ec1n t\u1ea3ng \u0111\u1ec3 theo d\u00f5i c\u00e1c t\u01b0\u01a1ng t\u00e1c theo th\u1eddi gian. Ch\u00fang cung c\u1ea5p m\u1ed9t bi\u1ec3u di\u1ec5n tr\u1ef1c quan r\u00f5 r\u00e0ng v\u1ec1 h\u00e0nh vi h\u1ec7 th\u1ed1ng, \u0111i\u1ec1u n\u00e0y r\u1ea5t c\u1ea7n thi\u1ebft cho vi\u1ec7c x\u00e1c th\u1ef1c v\u00e0 ki\u1ec3m ch\u1ee9ng. B\u1eb1ng c\u00e1ch hi\u1ec3u c\u00e1c y\u1ebfu t\u1ed1 c\u1ed1t l\u00f5i, s\u1eed d\u1ee5ng c\u00e1c \u0111o\u1ea1n t\u01b0\u01a1ng t\u00e1c v\u00e0 duy tr\u00ec s\u1ef1 nh\u1ea5t qu\u00e1n v\u1edbi c\u00e1c lo\u1ea1i s\u01a1 \u0111\u1ed3 kh\u00e1c, c\u00e1c k\u1ef9 s\u01b0 c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c m\u00f4 h\u00ecnh m\u1ea1nh m\u1ebd.<\/p>\n

                                          \n
                                        • T\u1eadp trung v\u00e0o th\u1eddi gian:<\/strong> Lu\u00f4n xem x\u00e9t kh\u00eda c\u1ea1nh th\u1eddi gian c\u1ee7a m\u1ecdi t\u01b0\u01a1ng t\u00e1c.<\/li>\n
                                        • X\u00e1c minh logic:<\/strong> S\u1eed d\u1ee5ng c\u00e1c \u0111o\u1ea1n \u0111\u1ec3 x\u1eed l\u00fd c\u00e1c quy\u1ebft \u0111\u1ecbnh ph\u1ee9c t\u1ea1p v\u00e0 v\u00f2ng l\u1eb7p.<\/li>\n
                                        • T\u00edch h\u1ee3p m\u00f4 h\u00ecnh:<\/strong> \u0110\u1ea3m b\u1ea3o s\u1ef1 \u0111\u1ed3ng b\u1ed9 v\u1edbi c\u00e1c s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac v\u00e0 tr\u1ea1ng th\u00e1i.<\/li>\n
                                        • Gi\u1eef cho s\u1ea1ch s\u1ebd:<\/strong> Tu\u00e2n theo c\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t \u0111\u1ec3 duy tr\u00ec t\u00ednh d\u1ec5 \u0111\u1ecdc c\u1ee7a m\u00f4 h\u00ecnh.<\/li>\n
                                        • L\u1eb7p l\u1ea1i:<\/strong> Xem c\u00e1c s\u01a1 \u0111\u1ed3 nh\u01b0 t\u00e0i li\u1ec7u s\u1ed1ng, ph\u00e1t tri\u1ec3n c\u00f9ng v\u1edbi h\u1ec7 th\u1ed1ng.<\/li>\n<\/ul>\n

                                          Th\u00f4ng qua m\u00f4 h\u00ecnh h\u00f3a c\u00f3 k\u1ef7 lu\u1eadt, s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 tr\u1edf n\u00ean h\u01a1n c\u1ea3 m\u1ed9t b\u1ee9c tranh. N\u00f3 tr\u1edf th\u00e0nh m\u1ed9t b\u1ea3n m\u00f4 t\u1ea3 h\u00e0nh vi, \u0111\u1ecbnh h\u01b0\u1edbng qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n t\u1eeb \u00fd t\u01b0\u1edfng \u0111\u1ebfn th\u1ef1c t\u1ebf.<\/p>\n","protected":false},"excerpt":{"rendered":"

                                          Trong b\u1ed1i c\u1ea3nh ph\u1ee9c t\u1ea1p c\u1ee7a k\u1ef9 thu\u1eadt h\u1ec7 th\u1ed1ng, vi\u1ec7c hi\u1ec3u c\u00e1ch c\u00e1c th\u00e0nh ph\u1ea7n ho\u1ea1t \u0111\u1ed9ng ri\u00eang l\u1ebb ch\u1ec9 l\u00e0 m\u1ed9t n\u1eeda cu\u1ed9c chi\u1ebfn. S\u1ef1 ph\u1ee9c t\u1ea1p th\u1ef1c…<\/p>\n","protected":false},"author":1,"featured_media":1511,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"S\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 SysML: Theo d\u00f5i c\u00e1c t\u01b0\u01a1ng t\u00e1c theo th\u1eddi gian","_yoast_wpseo_metadesc":"H\u1ecdc c\u00e1ch s\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 SysML \u0111\u1ec3 theo d\u00f5i c\u00e1c t\u01b0\u01a1ng t\u00e1c h\u1ec7 th\u1ed1ng theo th\u1eddi gian. M\u1ed9t h\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 c\u00e1c y\u1ebfu t\u1ed1, logic v\u00e0 c\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t.","fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[76],"tags":[80,81],"class_list":["post-1510","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sysml","tag-academic","tag-sysml"],"yoast_head":"\nS\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 SysML: Theo d\u00f5i c\u00e1c t\u01b0\u01a1ng t\u00e1c theo th\u1eddi gian<\/title>\n<meta name=\"description\" content=\"H\u1ecdc c\u00e1ch s\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 SysML \u0111\u1ec3 theo d\u00f5i c\u00e1c t\u01b0\u01a1ng t\u00e1c h\u1ec7 th\u1ed1ng theo th\u1eddi gian. 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