{"id":11215,"date":"2026-04-08T09:22:00","date_gmt":"2026-04-08T01:22:00","guid":{"rendered":"https:\/\/www.archimetric.com\/vn\/state-machine-diagram-best-practices-robotics-deadlocks\/"},"modified":"2026-04-08T09:22:00","modified_gmt":"2026-04-08T01:22:00","slug":"state-machine-diagram-best-practices-robotics-deadlocks","status":"publish","type":"post","link":"https:\/\/www.archimetric.com\/vn\/state-machine-diagram-best-practices-robotics-deadlocks\/","title":{"rendered":"C\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t v\u1ec1 s\u01a1 \u0111\u1ed3 m\u00e1y tr\u1ea1ng th\u00e1i \u0111\u1ec3 tr\u00e1nh k\u1eb9t trong ph\u1ea7n m\u1ec1m \u0111i\u1ec1u khi\u1ec3n robot"},"content":{"rendered":"<p>Thi\u1ebft k\u1ebf c\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n \u0111\u00e1ng tin c\u1eady cho robot \u0111\u00f2i h\u1ecfi s\u1ef1 ch\u00ednh x\u00e1c. M\u1ed9t l\u1ed7i logic duy nh\u1ea5t trong ph\u1ea7n m\u1ec1m c\u00f3 th\u1ec3 l\u00e0m d\u1eebng ho\u1ea1t \u0111\u1ed9ng ho\u1eb7c g\u00e2y h\u01b0 h\u1ea1i thi\u1ebft b\u1ecb. M\u00e1y tr\u1ea1ng th\u00e1i cung c\u1ea5p m\u1ed9t c\u00e1ch ti\u1ebfp c\u1eadn c\u00f3 c\u1ea5u tr\u00fac \u0111\u1ec3 qu\u1ea3n l\u00fd c\u00e1c h\u00e0nh vi ph\u1ee9c t\u1ea1p. Khi \u0111\u01b0\u1ee3c tri\u1ec3n khai \u0111\u00fang c\u00e1ch, ch\u00fang t\u0103ng c\u01b0\u1eddng t\u00ednh d\u1ef1 \u0111o\u00e1n v\u00e0 kh\u1ea3 n\u0103ng b\u1ea3o tr\u00ec. Tuy nhi\u00ean, thi\u1ebft k\u1ebf kh\u00f4ng \u0111\u00fang c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u00e1c r\u1ee7i ro nh\u01b0 k\u1eb9t h\u1ec7 th\u1ed1ng. Nh\u1eefng t\u00ecnh tr\u1ea1ng n\u00e0y l\u00e0m \u0111\u00f4ng c\u1ee9ng h\u1ec7 th\u1ed1ng, ng\u0103n c\u1ea3n ti\u1ebfn tr\u00ecnh ti\u1ebfp theo.<\/p>\n<p>H\u01b0\u1edbng d\u1eabn n\u00e0y kh\u00e1m ph\u00e1 c\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t v\u1ec1 s\u01a1 \u0111\u1ed3 m\u00e1y tr\u1ea1ng th\u00e1i UML. Tr\u1ecdng t\u00e2m l\u00e0 c\u00e1c b\u1ed1i c\u1ea3nh ph\u1ea7n m\u1ec1m \u0111i\u1ec1u khi\u1ec3n robot. Ch\u00fang ta s\u1ebd xem x\u00e9t c\u00e1ch c\u1ea5u tr\u00fac c\u00e1c chuy\u1ec3n ti\u1ebfp, qu\u1ea3n l\u00fd t\u00e0i nguy\u00ean v\u00e0 x\u1eed l\u00fd t\u00ednh \u0111\u1ed3ng th\u1eddi. M\u1ee5c ti\u00eau l\u00e0 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n m\u00e0 kh\u00f4ng c\u1ea7n thi\u1ebft ph\u1ea3i ph\u1ee9c t\u1ea1p h\u00f3a.<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Infographic illustrating best practices for UML state machine diagrams in robotics firmware to prevent deadlocks, featuring common causes like circular dependencies and missing guards, plus solutions including timeout transitions, deterministic guards, and resource management strategies, designed with clean flat style and pastel colors for educational use\" decoding=\"async\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2026\/04\/state-machine-deadlock-prevention-robotics-firmware-infographic.jpg\"\/><\/figure>\n<\/div>\n<h2>\ud83e\udde0 Hi\u1ec3u v\u1ec1 m\u00e1y tr\u1ea1ng th\u00e1i trong robot<\/h2>\n<p>M\u1ed9t m\u00e1y tr\u1ea1ng th\u00e1i l\u00e0 m\u1ed9t m\u00f4 h\u00ecnh to\u00e1n h\u1ecdc v\u1ec1 t\u00ednh to\u00e1n. N\u00f3 m\u00f4 t\u1ea3 m\u1ed9t h\u1ec7 th\u1ed1ng di chuy\u1ec3n gi\u1eefa c\u00e1c tr\u1ea1ng th\u00e1i \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh d\u1ef1a tr\u00ean \u0111\u1ea7u v\u00e0o. Trong robot, c\u00e1c \u0111\u1ea7u v\u00e0o n\u00e0y th\u01b0\u1eddng \u0111\u1ebfn t\u1eeb c\u1ea3m bi\u1ebfn, l\u1ec7nh ng\u01b0\u1eddi d\u00f9ng ho\u1eb7c b\u1ed9 \u0111\u1ebfm th\u1eddi gian n\u1ed9i b\u1ed9. C\u00e1c tr\u1ea1ng th\u00e1i \u0111\u1ea1i di\u1ec7n cho c\u00e1c ch\u1ebf \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng c\u1ee5 th\u1ec3, ch\u1eb3ng h\u1ea1n nh\u01b0 \u201c\u0110ang ch\u1edd\u201d, \u201c\u0110ang di chuy\u1ec3n\u201d, \u201c\u0110ang x\u1eed l\u00fd\u201d ho\u1eb7c \u201cL\u1ed7i\u201d.<\/p>\n<p><strong>T\u1ea1i sao l\u1ea1i s\u1eed d\u1ee5ng m\u00e1y tr\u1ea1ng th\u00e1i?<\/strong><\/p>\n<ul>\n<li><strong>R\u00f5 r\u00e0ng:<\/strong>C\u00e1c s\u01a1 \u0111\u1ed3 tr\u1ef1c quan minh h\u1ecda d\u00f2ng logic m\u1ed9t c\u00e1ch r\u00f5 r\u00e0ng.<\/li>\n<li><strong>\u0110\u1ea7y \u0111\u1ee7:<\/strong>\u0110\u1ea3m b\u1ea3o t\u1ea5t c\u1ea3 c\u00e1c t\u00ecnh hu\u1ed1ng \u0111\u1ec1u \u0111\u01b0\u1ee3c t\u00ednh \u0111\u1ebfn.<\/li>\n<li><strong>D\u1ec5 b\u1ea3o tr\u00ec:<\/strong>C\u00e1c thay \u0111\u1ed5i \u0111\u01b0\u1ee3c gi\u1edbi h\u1ea1n \u1edf c\u00e1c tr\u1ea1ng th\u00e1i ho\u1eb7c chuy\u1ec3n ti\u1ebfp c\u1ee5 th\u1ec3.<\/li>\n<li><strong>G\u1ee1 l\u1ed7i:<\/strong>D\u1ec5 d\u00e0ng theo d\u00f5i c\u00e1c \u0111\u01b0\u1eddng d\u1eabn th\u1ef1c thi trong tr\u01b0\u1eddng h\u1ee3p l\u1ed7i.<\/li>\n<\/ul>\n<p>Tuy nhi\u00ean, c\u00e1c h\u1ec7 th\u1ed1ng nh\u00fang c\u00f3 nh\u1eefng gi\u1edbi h\u1ea1n. B\u1ed9 nh\u1edb b\u1ecb gi\u1edbi h\u1ea1n. C\u00f4ng su\u1ea5t x\u1eed l\u00fd l\u00e0 h\u1eefu h\u1ea1n. Th\u1eddi gian l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t. M\u1ed9t t\u00ecnh tr\u1ea1ng k\u1eb9t x\u1ea3y ra khi hai hay nhi\u1ec1u tr\u1ea1ng th\u00e1i ch\u1edd \u0111\u1ee3i nhau v\u00f4 th\u1eddi h\u1ea1n. \u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng x\u1ea3y ra do c\u00e1c ph\u1ee5 thu\u1ed9c v\u00f2ng ho\u1eb7c xung \u0111\u1ed9t t\u00e0i nguy\u00ean.<\/p>\n<h2>\u26a0\ufe0f Nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn g\u00e2y k\u1eb9t trong ph\u1ea7n m\u1ec1m<\/h2>\n<p>Tr\u01b0\u1edbc khi \u00e1p d\u1ee5ng c\u00e1c bi\u1ec7n ph\u00e1p kh\u1eafc ph\u1ee5c, c\u1ea7n hi\u1ec3u r\u00f5 nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5. C\u00e1c t\u00ecnh tr\u1ea1ng k\u1eb9t trong ph\u1ea7n m\u1ec1m robot th\u01b0\u1eddng xu\u1ea5t ph\u00e1t t\u1eeb c\u00e1ch c\u00e1c s\u1ef1 ki\u1ec7n \u0111\u01b0\u1ee3c x\u1ebfp h\u00e0ng v\u00e0 c\u00e1ch t\u00e0i nguy\u00ean \u0111\u01b0\u1ee3c c\u1ea5p ph\u00e1t.<\/p>\n<h3>1. Ph\u1ee5 thu\u1ed9c t\u00e0i nguy\u00ean v\u00f2ng l\u1eb7p<\/h3>\n<p>Tr\u1ea1ng th\u00e1i A ch\u1edd t\u00e0i nguy\u00ean \u0111ang \u0111\u01b0\u1ee3c gi\u1eef b\u1edfi Tr\u1ea1ng th\u00e1i B. Tr\u1ea1ng th\u00e1i B ch\u1edd t\u00e0i nguy\u00ean \u0111ang \u0111\u01b0\u1ee3c gi\u1eef b\u1edfi Tr\u1ea1ng th\u00e1i A. C\u1ea3 hai \u0111\u1ec1u kh\u00f4ng th\u1ec3 ti\u1ebfn h\u00e0nh. \u0110\u00e2y l\u00e0 t\u00ecnh hu\u1ed1ng kinh \u0111i\u1ec3n trong c\u00e1c ki\u1ebfn tr\u00fac \u0111a lu\u1ed3ng ho\u1eb7c \u0111a ti\u1ebfn tr\u00ecnh.<\/p>\n<h3>2. Thi\u1ebfu \u0111i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7 chuy\u1ec3n ti\u1ebfp<\/h3>\n<p>N\u1ebfu \u0111i\u1ec1u ki\u1ec7n chuy\u1ec3n ti\u1ebfp kh\u00f4ng bao gi\u1edd \u0111\u01b0\u1ee3c th\u1ecfa m\u00e3n, h\u1ec7 th\u1ed1ng s\u1ebd m\u00e3i \u1edf trong tr\u1ea1ng th\u00e1i \u0111\u00f3. \u0110i\u1ec1u n\u00e0y tr\u00f4ng gi\u1ed1ng nh\u01b0 m\u1ed9t t\u00ecnh tr\u1ea1ng k\u1eb9t \u0111\u1ed1i v\u1edbi ng\u01b0\u1eddi v\u1eadn h\u00e0nh, m\u1eb7c d\u00f9 v\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt l\u00e0 m\u1ed9t t\u00ecnh tr\u1ea1ng treo logic.<\/p>\n<h3>3. H\u00e0ng \u0111\u1ee3i s\u1ef1 ki\u1ec7n b\u1ecb ch\u1eb7n<\/h3>\n<p>C\u00e1c s\u1ef1 ki\u1ec7n \u01b0u ti\u00ean cao b\u1ecb k\u1eb9t ph\u00eda sau c\u00e1c s\u1ef1 ki\u1ec7n \u01b0u ti\u00ean th\u1ea5p. N\u1ebfu h\u00e0ng \u0111\u1ee3i \u0111\u1ea7y, c\u00e1c s\u1ef1 ki\u1ec7n m\u1edbi s\u1ebd b\u1ecb b\u1ecf qua ho\u1eb7c h\u1ec7 th\u1ed1ng b\u1ecb ch\u1eb7n ch\u1edd kh\u00f4ng gian tr\u1ed1ng.<\/p>\n<h3>4. X\u1eed l\u00fd l\u1ed7i kh\u00f4ng \u0111\u00fang c\u00e1ch<\/h3>\n<p>Khi x\u1ea3y ra l\u1ed7i, m\u00e1y s\u1ebd chuy\u1ec3n sang tr\u1ea1ng th\u00e1i \u201cL\u1ed7i\u201d. N\u1ebfu tr\u1ea1ng th\u00e1i n\u00e0y kh\u00f4ng c\u00f3 \u0111i\u1ec1u ki\u1ec7n tho\u00e1t \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh, robot s\u1ebd ng\u1eebng ph\u1ea3n h\u1ed3i v\u1edbi m\u1ecdi \u0111\u1ea7u v\u00e0o.<\/p>\n<h2>\ud83d\udee1\ufe0f C\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t cho thi\u1ebft k\u1ebf s\u01a1 \u0111\u1ed3<\/h2>\n<p>Thi\u1ebft k\u1ebf s\u01a1 \u0111\u1ed3 l\u00e0 tuy\u1ebfn ph\u00f2ng th\u1ee7 \u0111\u1ea7u ti\u00ean. M\u00f4 h\u00ecnh tr\u1ef1c quan ph\u1ea3i \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i th\u00e0nh m\u00e3 ngu\u1ed3n m\u00e0 kh\u00f4ng g\u00e2y ra l\u1ed7i logic.<\/p>\n<h3>1. X\u00e1c \u0111\u1ecbnh r\u00f5 c\u00e1c h\u00e0nh \u0111\u1ed9ng v\u00e0o v\u00e0 ra<\/h3>\n<p>M\u1ed7i tr\u1ea1ng th\u00e1i n\u00ean c\u00f3 c\u00e1c h\u00e0nh vi \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh khi v\u00e0o v\u00e0 khi r\u1eddi kh\u1ecfi. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o t\u00e0i nguy\u00ean \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd m\u1ed9t c\u00e1ch nh\u1ea5t qu\u00e1n.<\/p>\n<ul>\n<li><strong>H\u00e0nh \u0111\u1ed9ng v\u00e0o:<\/strong> Kh\u1edfi t\u1ea1o bi\u1ebfn, b\u1eaft \u0111\u1ea7u b\u1ed9 \u0111\u1ebfm th\u1eddi gian, ho\u1eb7c k\u00edch ho\u1ea1t c\u1ea3m bi\u1ebfn.<\/li>\n<li><strong>H\u00e0nh \u0111\u1ed9ng tho\u00e1t:<\/strong>T\u1eaft b\u1ed9 ch\u1ea5p h\u00e0nh, m\u1edf kh\u00f3a, ho\u1eb7c ghi l\u1ea1i d\u1eef li\u1ec7u.<\/li>\n<li><strong>T\u00e1c \u0111\u1ed9ng:<\/strong>C\u00e1c h\u00e0nh \u0111\u1ed9ng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n ngay l\u1eadp t\u1ee9c khi chuy\u1ec3n tr\u1ea1ng th\u00e1i.<\/li>\n<\/ul>\n<p><strong>V\u00ed d\u1ee5:<\/strong><\/p>\n<ul>\n<li>Khi v\u00e0o <em>Chuy\u1ec3n \u0111\u1ed9ng<\/em>tr\u1ea1ng th\u00e1i: K\u00edch ho\u1ea1t b\u1ed9 \u0111i\u1ec1u khi\u1ec3n \u0111\u1ed9ng c\u01a1.<\/li>\n<li>Khi tho\u00e1t kh\u1ecfi <em>Chuy\u1ec3n \u0111\u1ed9ng<\/em>tr\u1ea1ng th\u00e1i: T\u1eaft b\u1ed9 \u0111i\u1ec1u khi\u1ec3n \u0111\u1ed9ng c\u01a1.<\/li>\n<\/ul>\n<h3>2. S\u1eed d\u1ee5ng tr\u1ea1ng th\u00e1i l\u1ecbch s\u1eed cho c\u00e1c ti\u1ec3u m\u00e1y ph\u1ee9c t\u1ea1p<\/h3>\n<p>C\u00e1c robot ph\u1ee9c t\u1ea1p c\u00f3 c\u00e1c h\u00e0nh vi l\u1ed3ng gh\u00e9p. C\u00e1c v\u00f9ng song song cho ph\u00e9p c\u00e1c qu\u00e1 tr\u00ecnh \u0111\u1ed9c l\u1eadp ch\u1ea1y \u0111\u1ed3ng th\u1eddi. C\u00e1c tr\u1ea1ng th\u00e1i l\u1ecbch s\u1eed ghi nh\u1edb tr\u1ea1ng th\u00e1i con ho\u1ea1t \u0111\u1ed9ng cu\u1ed1i c\u00f9ng.<\/p>\n<ul>\n<li><strong>L\u1ecbch s\u1eed s\u00e2u:<\/strong>Tr\u1edf v\u1ec1 tr\u1ea1ng th\u00e1i ho\u1ea1t \u0111\u1ed9ng s\u00e2u nh\u1ea5t.<\/li>\n<li><strong>L\u1ecbch s\u1eed n\u00f4ng:<\/strong>Tr\u1edf v\u1ec1 tr\u1ea1ng th\u00e1i \u0111\u01b0\u1ee3c nh\u1eadp g\u1ea7n nh\u1ea5t \u1edf c\u1ea5p \u0111\u1ed9 \u0111\u00f3.<\/li>\n<\/ul>\n<p>\u0110i\u1ec1u n\u00e0y ng\u0103n h\u1ec7 th\u1ed1ng tr\u1edf v\u1ec1 tr\u1ea1ng th\u00e1i m\u1eb7c \u0111\u1ecbnh m\u1ed7i khi ti\u1ec3u m\u00e1y \u0111\u01b0\u1ee3c nh\u1eadp l\u1ea1i, gi\u1ea3m \u0111\u1ed9 tr\u1ec5 v\u00e0 c\u00e1c \u0111i\u1ec1u ki\u1ec7n c\u1ea1nh tranh ti\u1ec1m \u1ea9n.<\/p>\n<h3>3. \u0110i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7 ph\u1ea3i x\u00e1c \u0111\u1ecbnh r\u00f5<\/h3>\n<p>C\u00e1c \u0111i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7 quy\u1ebft \u0111\u1ecbnh xem c\u00f3 chuy\u1ec3n tr\u1ea1ng th\u00e1i hay kh\u00f4ng. Ch\u00fang ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 nhanh ch\u00f3ng v\u00e0 nh\u1ea5t qu\u00e1n. Tr\u00e1nh c\u00e1c ph\u00e9p t\u00ednh ph\u1ee9c t\u1ea1p b\u00ean trong \u0111i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7.<\/p>\n<ul>\n<li><strong>X\u1ea5u:<\/strong>Ki\u1ec3m tra danh s\u00e1ch d\u00e0i c\u00e1c gi\u00e1 tr\u1ecb c\u1ea3m bi\u1ebfn v\u1edbi c\u00e1c v\u00f2ng l\u1eb7p l\u1ed3ng nhau.<\/li>\n<li><strong>T\u1ed1t:<\/strong>Ki\u1ec3m tra m\u1ed9t c\u1edd logic \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp b\u1edfi m\u1ed9t t\u00e1c v\u1ee5 n\u1ec1n.<\/li>\n<\/ul>\n<h3>4. Th\u1ef1c hi\u1ec7n chuy\u1ec3n tr\u1ea1ng th\u00e1i th\u1eddi gian ch\u1edd<\/h3>\n<p>Kh\u00f4ng c\u00f3 tr\u1ea1ng th\u00e1i n\u00e0o n\u00ean ch\u1edd \u0111\u1ee3i v\u00f4 h\u1ea1n cho m\u1ed9t s\u1ef1 ki\u1ec7n. Th\u1eddi gian ch\u1edd \u0111\u1ea3m b\u1ea3o ti\u1ebfn \u0111\u1ed9.<\/p>\n<ul>\n<li>\u0110\u1eb7t th\u1eddi gian t\u1ed1i \u0111a cho m\u1ed9t tr\u1ea1ng th\u00e1i.<\/li>\n<li>X\u00e1c \u0111\u1ecbnh m\u1ed9t chuy\u1ec3n tr\u1ea1ng th\u00e1i khi h\u1ebft th\u1eddi gian \u0111\u1ebfn tr\u1ea1ng th\u00e1i l\u1ed7i ho\u1eb7c tr\u1ea1ng th\u00e1i ch\u1edd.<\/li>\n<li>\u0110i\u1ec1u n\u00e0y ng\u0103n ch\u1eb7n vi\u1ec7c treo do \u0111\u1ed9 tr\u1ec5 m\u1ea1ng ho\u1eb7c \u0111\u1ed9 tr\u1ec5 c\u1ea3m bi\u1ebfn.<\/li>\n<\/ul>\n<h3>5. T\u1ed1i thi\u1ec3u h\u00f3a c\u00e1c v\u00f9ng \u0111\u1ed3ng th\u1eddi<\/h3>\n<p>C\u00e1c v\u00f9ng \u0111\u1ed3ng th\u1eddi (tr\u1ea1ng th\u00e1i tr\u1ef1c giao) r\u1ea5t m\u1ea1nh m\u1ebd nh\u01b0ng c\u0169ng ti\u1ec1m \u1ea9n r\u1ee7i ro. Nhi\u1ec1u v\u00f9ng h\u01a1n c\u00f3 ngh\u0129a l\u00e0 nhi\u1ec1u kh\u1ea3 n\u0103ng x\u1ea3y ra l\u1ed7i \u0111\u1ed3ng b\u1ed9 h\u01a1n.<\/p>\n<ul>\n<li>Gi\u1eef c\u00e1c v\u00f9ng \u0111\u1ed9c l\u1eadp v\u1edbi nhau m\u1ed7i khi c\u00f3 th\u1ec3.<\/li>\n<li>S\u1eed d\u1ee5ng ph\u00e1t s\u00f3ng s\u1ef1 ki\u1ec7n m\u1ed9t c\u00e1ch c\u1ea9n tr\u1ecdng.<\/li>\n<li>Tr\u00e1nh tr\u1ea1ng th\u00e1i thay \u0111\u1ed5i \u0111\u01b0\u1ee3c chia s\u1ebb gi\u1eefa c\u00e1c v\u00f9ng \u0111\u1ed3ng th\u1eddi.<\/li>\n<\/ul>\n<h2>\ud83d\udd04 X\u1eed l\u00fd chuy\u1ec3n ti\u1ebfp v\u00e0 s\u1ef1 ki\u1ec7n<\/h2>\n<p>S\u1ef1 di chuy\u1ec3n gi\u1eefa c\u00e1c tr\u1ea1ng th\u00e1i l\u00e0 n\u01a1i x\u1ea3y ra h\u1ea7u h\u1ebft c\u00e1c l\u1ed7i logic. Th\u1ee9 t\u1ef1 x\u1eed l\u00fd s\u1ef1 ki\u1ec7n c\u00f3 \u00fd ngh\u0129a quan tr\u1ecdng.<\/p>\n<h3>\u01afu ti\u00ean s\u1ef1 ki\u1ec7n<\/h3>\n<p>Kh\u00f4ng ph\u1ea3i m\u1ecdi s\u1ef1 ki\u1ec7n n\u00e0o c\u0169ng nh\u01b0 nhau. S\u1ef1 ki\u1ec7n l\u1ed7i ph\u1ea7n c\u1ee9ng ph\u1ea3i \u01b0u ti\u00ean h\u01a1n s\u1ef1 ki\u1ec7n c\u1eadp nh\u1eadt tr\u1ea1ng th\u00e1i. X\u00e1c \u0111\u1ecbnh c\u00e1c m\u1ee9c \u0111\u1ed9 \u01b0u ti\u00ean trong s\u01a1 \u0111\u1ed3.<\/p>\n<h3>K\u00edch ho\u1ea1t chuy\u1ec3n ti\u1ebfp<\/h3>\n<p>\u0110\u1ea3m b\u1ea3o m\u1ecdi tr\u1ea1ng th\u00e1i \u0111\u1ec1u c\u00f3 ph\u1ea3n \u1ee9ng \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh \u0111\u1ed1i v\u1edbi m\u1ecdi s\u1ef1 ki\u1ec7n li\u00ean quan. N\u1ebfu m\u1ed9t s\u1ef1 ki\u1ec7n b\u1ecb b\u1ecf qua, n\u00f3 s\u1ebd \u0111\u01b0\u1ee3c x\u1eed l\u00fd nh\u01b0 kh\u00f4ng thay \u0111\u1ed5i g\u00ec. N\u1ebfu m\u1ed9t s\u1ef1 ki\u1ec7n kh\u00f4ng mong \u0111\u1ee3i, n\u00f3 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn h\u00e0nh vi kh\u00f4ng x\u00e1c \u0111\u1ecbnh.<\/p>\n<h3>Chuy\u1ec3n ti\u1ebfp t\u1ef1 th\u00e2n<\/h3>\n<p>S\u1eed d\u1ee5ng chuy\u1ec3n ti\u1ebfp t\u1ef1 th\u00e2n (v\u1eabn \u1edf c\u00f9ng m\u1ed9t tr\u1ea1ng th\u00e1i) c\u00f3 th\u1ec3 h\u1eefu \u00edch \u0111\u1ec3 x\u1eed l\u00fd th\u1eed l\u1ea1i ho\u1eb7c v\u00f2ng l\u1eb7p. Tuy nhi\u00ean, tr\u00e1nh v\u00f2ng l\u1eb7p v\u00f4 h\u1ea1n trong m\u1ed9t chuy\u1ec3n ti\u1ebfp t\u1ef1 th\u00e2n m\u00e0 kh\u00f4ng c\u00f3 \u0111i\u1ec1u ki\u1ec7n tho\u00e1t.<\/p>\n<h2>\ud83d\udcca So s\u00e1nh c\u00e1c chi\u1ebfn l\u01b0\u1ee3c chuy\u1ec3n ti\u1ebfp<\/h2>\n<table border=\"1\" cellpadding=\"10\" cellspacing=\"0\">\n<tr>\n<th>Chi\u1ebfn l\u01b0\u1ee3c<\/th>\n<th>\u01afu \u0111i\u1ec3m<\/th>\n<th>Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/th>\n<th>R\u1ee7i ro k\u1eb9t ngh\u1ebdn<\/th>\n<\/tr>\n<tr>\n<td>Th\u1ef1c thi ngay l\u1eadp t\u1ee9c<\/td>\n<td>Th\u1eddi gian ph\u1ea3n h\u1ed3i nhanh h\u01a1n<\/td>\n<td>Kh\u00f3 b\u1ecb ng\u1eaft qu\u00e3ng h\u01a1n<\/td>\n<td>Th\u1ea5p<\/td>\n<\/tr>\n<tr>\n<td>Th\u1ef1c thi ho\u00e3n<\/td>\n<td>Cho ph\u00e9p ng\u1eaft qu\u00e3ng<\/td>\n<td>\u0110\u1ed9 tr\u1ec5 cao h\u01a1n<\/td>\n<td>Trung b\u00ecnh<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ee3i x\u1eed l\u00fd s\u1ef1 ki\u1ec7n<\/td>\n<td>X\u1eed l\u00fd \u0111\u01b0\u1ee3c c\u00e1c \u0111\u1ee3t s\u1ef1 ki\u1ec7n \u0111\u1ed9t xu\u1ea5t<\/td>\n<td>T\u1ed1n b\u1ed9 nh\u1edb<\/td>\n<td>Cao (n\u1ebfu h\u00e0ng \u0111\u1ee3i b\u1ecb ch\u1eb7n)<\/td>\n<\/tr>\n<tr>\n<td>D\u1eabn \u0111\u1ed9ng b\u1edfi ng\u1eaft<\/td>\n<td>Ph\u1ea3n h\u1ed3i th\u1eddi gian th\u1ef1c<\/td>\n<td>\u0110\u1ed3ng b\u1ed9 h\u00f3a ph\u1ee9c t\u1ea1p<\/td>\n<td>Trung b\u00ecnh<\/td>\n<\/tr>\n<\/table>\n<h2>\ud83e\udde9 Qu\u1ea3n l\u00fd t\u00e0i nguy\u00ean v\u00e0 kh\u00f3a<\/h2>\n<p>Firmware th\u01b0\u1eddng t\u01b0\u01a1ng t\u00e1c v\u1edbi c\u00e1c thi\u1ebft b\u1ecb ngo\u1ea1i vi ph\u1ea7n c\u1ee9ng. Nh\u1eefng t\u00e0i nguy\u00ean n\u00e0y c\u1ea7n truy c\u1eadp \u0111\u1ed9c quy\u1ec1n \u0111\u1ec3 ng\u0103n ng\u1eeba l\u1ed7i d\u1eef li\u1ec7u.<\/p>\n<h3>Ph\u00e2n b\u1ed5 t\u00e0i nguy\u00ean<\/h3>\n<p>\u00c1p d\u1ee5ng c\u00e1c quy t\u1eafc nghi\u00eam ng\u1eb7t khi l\u1ea5y kh\u00f3a.<\/p>\n<ul>\n<li>L\u1ea5y kh\u00f3a theo th\u1ee9 t\u1ef1 nh\u1ea5t qu\u00e1n trong t\u1ea5t c\u1ea3 c\u00e1c tr\u1ea1ng th\u00e1i.<\/li>\n<li>Gi\u1ea3i ph\u00f3ng kh\u00f3a ngay l\u1eadp t\u1ee9c sau khi s\u1eed d\u1ee5ng.<\/li>\n<li>Kh\u00f4ng bao gi\u1edd gi\u1eef kh\u00f3a khi \u0111ang ch\u1edd t\u00e0i nguy\u00ean kh\u00e1c.<\/li>\n<\/ul>\n<h3>Ma tr\u1eadn ph\u00f2ng ng\u1eeba k\u1eb9t v\u00f2ng<\/h3>\n<p>S\u1eed d\u1ee5ng ma tr\u1eadn \u0111\u1ec3 theo d\u00f5i c\u00e1c ph\u1ee5 thu\u1ed9c t\u00e0i nguy\u00ean.<\/p>\n<ul>\n<li>Li\u1ec7t k\u00ea t\u1ea5t c\u1ea3 c\u00e1c tr\u1ea1ng th\u00e1i.<\/li>\n<li>Li\u1ec7t k\u00ea t\u1ea5t c\u1ea3 c\u00e1c t\u00e0i nguy\u00ean.<\/li>\n<li>Ghi ch\u00fa tr\u1ea1ng th\u00e1i n\u00e0o \u0111ang gi\u1eef t\u00e0i nguy\u00ean n\u00e0o.<\/li>\n<li>X\u00e1c \u0111\u1ecbnh c\u00e1c chu tr\u00ecnh trong \u0111\u1ed3 th\u1ecb ph\u1ee5 thu\u1ed9c.<\/li>\n<\/ul>\n<p>N\u1ebfu t\u1ed3n t\u1ea1i chu tr\u00ecnh, thi\u1ebft k\u1ebf l\u1ea1i lu\u1ed3ng tr\u1ea1ng th\u00e1i \u0111\u1ec3 ph\u00e1 v\u1ee1 n\u00f3.<\/p>\n<h2>\ud83e\uddea Ki\u1ec3m th\u1eed v\u00e0 x\u00e1c th\u1ef1c<\/h2>\n<p>Thi\u1ebft k\u1ebf s\u01a1 \u0111\u1ed3 ch\u1ec9 l\u00e0 m\u1ed9t n\u1eeda c\u00f4ng vi\u1ec7c. X\u00e1c minh \u0111\u1ea3m b\u1ea3o ph\u1ea7n tri\u1ec3n khai ph\u00f9 h\u1ee3p v\u1edbi m\u00f4 h\u00ecnh.<\/p>\n<h3>Ki\u1ec3m th\u1eed m\u00f4 h\u00ecnh trong v\u00f2ng l\u1eb7p<\/h3>\n<p>Ch\u1ea1y logic m\u00e1y tr\u1ea1ng th\u00e1i trong m\u00f4i tr\u01b0\u1eddng m\u00f4 ph\u1ecfng tr\u01b0\u1edbc khi tri\u1ec3n khai l\u00ean ph\u1ea7n c\u1ee9ng. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p ki\u1ec3m th\u1eed t\u1ea3i m\u00e0 kh\u00f4ng l\u00e0m h\u1ecfng c\u00e1c th\u00e0nh ph\u1ea7n v\u1eadt l\u00fd.<\/p>\n<h3>Ki\u1ec3m th\u1eed ph\u1ea7n c\u1ee9ng trong v\u00f2ng l\u1eb7p<\/h3>\n<p>K\u1ebft n\u1ed1i firmware v\u1edbi m\u00f4i tr\u01b0\u1eddng v\u1eadt l\u00fd \u0111\u01b0\u1ee3c m\u00f4 ph\u1ecfng. X\u00e1c minh c\u00e1c gi\u1edbi h\u1ea1n v\u1ec1 th\u1eddi gian v\u00e0 v\u00f2ng ph\u1ea3n h\u1ed3i c\u1ea3m bi\u1ebfn.<\/p>\n<h3>Ki\u1ec3m th\u1eed h\u1ed7n lo\u1ea1n<\/h3>\n<p>Ti\u00eam c\u00e1c s\u1ef1 ki\u1ec7n ng\u1eabu nhi\u00ean v\u00e0o h\u1ec7 th\u1ed1ng. Quan s\u00e1t xem m\u00e1y tr\u1ea1ng th\u00e1i c\u00f3 x\u1eed l\u00fd c\u00e1c \u0111\u1ea7u v\u00e0o b\u1ea5t ng\u1edd m\u1ed9t c\u00e1ch tr\u01a1n tru hay b\u1ecb s\u1eadp hay kh\u00f4ng.<\/p>\n<h3>Ghi nh\u1eadt k\u00fd v\u00e0 theo d\u00f5i<\/h3>\n<p>Th\u1ef1c hi\u1ec7n ghi nh\u1eadt k\u00fd chi ti\u1ebft cho c\u00e1c chuy\u1ec3n \u0111\u1ed5i tr\u1ea1ng th\u00e1i.<\/p>\n<ul>\n<li>Ghi th\u1eddi \u0111i\u1ec3m v\u00e0o v\u00e0 ra.<\/li>\n<li>Ghi c\u00e1c s\u1ef1 ki\u1ec7n k\u00edch ho\u1ea1t v\u00e0 k\u1ebft qu\u1ea3 chuy\u1ec3n \u0111\u1ed5i.<\/li>\n<li>Ghi l\u1ea1i vi\u1ec7c c\u1ea5p ph\u00e1t v\u00e0 gi\u1ea3i ph\u00f3ng t\u00e0i nguy\u00ean.<\/li>\n<\/ul>\n<p>D\u1eef li\u1ec7u n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 ch\u1ea9n \u0111o\u00e1n c\u00e1c t\u00ecnh tr\u1ea1ng k\u1eb9t ng\u1eaft qu\u00e3ng x\u1ea3y ra ch\u1ec9 trong nh\u1eefng \u0111i\u1ec1u ki\u1ec7n c\u1ee5 th\u1ec3.<\/p>\n<h2>\ud83d\udd0d Ph\u00e2n t\u00edch c\u00e1c t\u00ecnh hu\u1ed1ng k\u1eb9t c\u1ee5 th\u1ec3<\/h2>\n<p>H\u00e3y c\u00f9ng xem c\u00e1c v\u00ed d\u1ee5 c\u1ee5 th\u1ec3 v\u1ec1 nh\u1eefng n\u01a1i m\u00e0 m\u1ecdi th\u1ee9 c\u00f3 th\u1ec3 sai trong ph\u1ea7n m\u1ec1m \u0111i\u1ec1u khi\u1ec3n robot.<\/p>\n<h3>T\u00ecnh hu\u1ed1ng 1: Ch\u1edd c\u1ea3m bi\u1ebfn<\/h3>\n<p><strong>Tr\u1ea1ng th\u00e1i:<\/strong> \u0110ang ch\u1edd d\u1eef li\u1ec7u Lidar.<\/p>\n<p><strong>\u0110i\u1ec1u ki\u1ec7n:<\/strong>Chuy\u1ec3n tr\u1ea1ng th\u00e1i ch\u1ec9 khi c\u00f3 \u201cDataReceived\u201d.<\/p>\n<p><strong>V\u1ea5n \u0111\u1ec1:<\/strong> N\u1ebfu c\u1ea3m bi\u1ebfn kh\u00f4ng g\u1eedi \u0111\u01b0\u1ee3c d\u1eef li\u1ec7u, tr\u1ea1ng th\u00e1i s\u1ebd kh\u00f4ng bao gi\u1edd tho\u00e1t ra. Robot s\u1ebd b\u1ecb \u0111\u00f3ng b\u0103ng.<\/p>\n<p><strong>Gi\u1ea3i ph\u00e1p:<\/strong> Th\u00eam chuy\u1ec3n tr\u1ea1ng th\u00e1i th\u1eddi gian ch\u1edd. N\u1ebfu \u201cDataReceived\u201d kh\u00f4ng \u0111\u1ebfn trong v\u00f2ng 5 gi\u00e2y, chuy\u1ec3n sang tr\u1ea1ng th\u00e1i \u201cSensorError\u201d.<\/p>\n<h3>T\u00ecnh hu\u1ed1ng 2: Kh\u00f3a \u0111\u1ed9ng c\u01a1<\/h3>\n<p><strong>Tr\u1ea1ng th\u00e1i:<\/strong> \u0110ang s\u1ea1c pin.<\/p>\n<p><strong>\u0110i\u1ec1u ki\u1ec7n:<\/strong> Chuy\u1ec3n sang \u201cIdle\u201d khi pin \u0111\u1ea7y.<\/p>\n<p><strong>V\u1ea5n \u0111\u1ec1:<\/strong> S\u1ef1 ki\u1ec7n \u201cBatteryFull\u201d \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi m\u1ea1ch s\u1ea1c. B\u1ed9 x\u1eed l\u00fd ch\u00ednh ch\u01b0a bao gi\u1edd ki\u1ec3m tra tr\u1ea1ng th\u00e1i thanh ghi.<\/p>\n<p><strong>Gi\u1ea3i ph\u00e1p:<\/strong> \u0110\u1ea3m b\u1ea3o tr\u00ecnh x\u1eed l\u00fd ng\u1eaft g\u1eedi s\u1ef1 ki\u1ec7n v\u00e0o h\u00e0ng \u0111\u1ee3i m\u00e1y tr\u1ea1ng th\u00e1i. Kh\u00f4ng n\u00ean ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c ki\u1ec3m tra li\u00ean t\u1ee5c trong v\u00f2ng l\u1eb7p b\u1eadn r\u1ed9n.<\/p>\n<h3>T\u00ecnh hu\u1ed1ng 3: G\u1ecdi l\u1ed3ng gh\u00e9p<\/h3>\n<p><strong>Tr\u1ea1ng th\u00e1i:<\/strong> \u0110i\u1ec1u h\u01b0\u1edbng.<\/p>\n<p><strong>\u0110i\u1ec1u ki\u1ec7n:<\/strong> G\u1ecdi h\u00e0m con \u201cPathPlanning\u201d.<\/p>\n<p><strong>V\u1ea5n \u0111\u1ec1:<\/strong> \u201cPathPlanning\u201d b\u1ecb ch\u1eb7n trong 10 gi\u00e2y. M\u00e1y tr\u1ea1ng th\u00e1i kh\u00f4ng th\u1ec3 x\u1eed l\u00fd c\u00e1c s\u1ef1 ki\u1ec7n kh\u00e1c trong kho\u1ea3ng th\u1eddi gian n\u00e0y.<\/p>\n<p><strong>Gi\u1ea3i ph\u00e1p:<\/strong> Chuy\u1ec3n c\u00e1c t\u00e1c v\u1ee5 d\u00e0i sang lu\u1ed3ng n\u1ec1n. G\u1eedi m\u1ed9t s\u1ef1 ki\u1ec7n \u201cPlanningComplete\u201d \u0111\u1ebfn m\u00e1y tr\u1ea1ng th\u00e1i ch\u00ednh.<\/p>\n<h2>\ud83d\udd27 M\u1eabu tri\u1ec3n khai m\u00e3 h\u00f3a<\/h2>\n<p>S\u01a1 \u0111\u1ed3 ph\u1ea3i \u0111\u01b0\u1ee3c \u00e1nh x\u1ea1 r\u00f5 r\u00e0ng sang m\u00e3 ngu\u1ed3n. M\u1ed9t s\u1ed1 m\u1eabu t\u1ed3n t\u1ea1i \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111i\u1ec1u n\u00e0y.<\/p>\n<h3>M\u1eabu Switch-Case<\/h3>\n<p>S\u1eed d\u1ee5ng m\u1ed9t v\u00f2ng l\u1eb7p ch\u00ednh chuy\u1ec3n \u0111\u1ed5i d\u1ef1a tr\u00ean bi\u1ebfn tr\u1ea1ng th\u00e1i hi\u1ec7n t\u1ea1i. \u0110i\u1ec1u n\u00e0y \u0111\u01a1n gi\u1ea3n nh\u01b0ng c\u00f3 th\u1ec3 tr\u1edf n\u00ean kh\u00f3 qu\u1ea3n l\u00fd khi c\u00f3 nhi\u1ec1u tr\u1ea1ng th\u00e1i.<\/p>\n<ul>\n<li>\u01afu \u0111i\u1ec3m: D\u1ec5 \u0111\u1ecdc cho c\u00e1c m\u00e1y \u0111\u01a1n gi\u1ea3n.<\/li>\n<li>Nh\u01b0\u1ee3c \u0111i\u1ec3m: Kh\u00f3 t\u00e1i c\u1ea5u tr\u00fac, d\u1ec5 sai ch\u00ednh t\u1ea3 \u1edf nh\u00e3n case.<\/li>\n<\/ul>\n<h3>M\u1eabu \u0110\u1ed1i t\u01b0\u1ee3ng Tr\u1ea1ng th\u00e1i<\/h3>\n<p>M\u1ed7i tr\u1ea1ng th\u00e1i l\u00e0 m\u1ed9t l\u1edbp tri\u1ec3n khai m\u1ed9t giao di\u1ec7n chung. V\u00f2ng l\u1eb7p ch\u00ednh g\u1ecdi ph\u01b0\u01a1ng th\u1ee9c handle c\u1ee7a tr\u1ea1ng th\u00e1i hi\u1ec7n t\u1ea1i.<\/p>\n<ul>\n<li>\u01afu \u0111i\u1ec3m: G\u00f3i g\u1ecdn logic, d\u1ec5 m\u1edf r\u1ed9ng.<\/li>\n<li>Nh\u01b0\u1ee3c \u0111i\u1ec3m: T\u1ed1n nhi\u1ec1u t\u00e0i nguy\u00ean h\u01a1n, s\u1eed d\u1ee5ng nhi\u1ec1u b\u1ed9 nh\u1edb h\u01a1n.<\/li>\n<\/ul>\n<h3>Ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u khi\u1ec3n b\u1eb1ng b\u1ea3ng<\/h3>\n<p>L\u01b0u c\u00e1c chuy\u1ec3n ti\u1ebfp trong m\u1ed9t b\u1ea3ng d\u1eef li\u1ec7u. B\u1ed9 x\u1eed l\u00fd tra c\u1ee9u tr\u1ea1ng th\u00e1i ti\u1ebfp theo d\u1ef1a tr\u00ean tr\u1ea1ng th\u00e1i hi\u1ec7n t\u1ea1i v\u00e0 s\u1ef1 ki\u1ec7n.<\/p>\n<ul>\n<li>\u01afu \u0111i\u1ec3m: C\u1ea5u h\u00ecnh cao, t\u00e1ch bi\u1ec7t d\u1eef li\u1ec7u kh\u1ecfi logic.<\/li>\n<li>Nh\u01b0\u1ee3c \u0111i\u1ec3m: G\u1ee1 l\u1ed7i c\u00f3 th\u1ec3 kh\u00f3 h\u01a1n, \u0111\u00f2i h\u1ecfi b\u1ed9 x\u1eed l\u00fd m\u1ea1nh m\u1ebd.<\/li>\n<\/ul>\n<h2>\ud83d\udee0\ufe0f T\u1ed1i \u01b0u h\u00f3a cho gi\u1edbi h\u1ea1n nh\u00fang<\/h2>\n<p>Ph\u1ea7n m\u1ec1m nh\u00fang robot th\u01b0\u1eddng ch\u1ea1y tr\u00ean vi \u0111i\u1ec1u khi\u1ec3n v\u1edbi RAM v\u00e0 CPU h\u1ea1n ch\u1ebf.<\/p>\n<h3>Qu\u1ea3n l\u00fd b\u1ed9 nh\u1edb<\/h3>\n<ul>\n<li>Tr\u00e1nh ph\u00e2n b\u1ed5 \u0111\u1ed9ng cho c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng tr\u1ea1ng th\u00e1i trong th\u1eddi gian ch\u1ea1y.<\/li>\n<li>Ph\u00e2n b\u1ed5 tr\u01b0\u1edbc b\u1ed9 \u0111\u1ec7m s\u1ef1 ki\u1ec7n khi kh\u1edfi \u0111\u1ed9ng.<\/li>\n<li>S\u1eed d\u1ee5ng b\u1ed9 \u0111\u1ec7m k\u00edch th\u01b0\u1edbc c\u1ed1 \u0111\u1ecbnh cho chu\u1ed7i v\u00e0 nh\u1eadt k\u00fd.<\/li>\n<\/ul>\n<h3>S\u1eed d\u1ee5ng CPU<\/h3>\n<ul>\n<li>Gi\u1eef c\u00e1c chuy\u1ec3n ti\u1ebfp tr\u1ea1ng th\u00e1i nguy\u00ean t\u1eed.<\/li>\n<li>T\u1ed1i thi\u1ec3u h\u00f3a th\u1eddi gian d\u00e0nh cho b\u1ed9 x\u1eed l\u00fd chuy\u1ec3n ti\u1ebfp.<\/li>\n<li>Ch\u1ec9 s\u1eed d\u1ee5ng ng\u1eaft cho c\u00e1c s\u1ef1 ki\u1ec7n ph\u1ea7n c\u1ee9ng, kh\u00f4ng d\u00f9ng cho logic ph\u1ea7n m\u1ec1m.<\/li>\n<\/ul>\n<h2>\ud83d\udcc8 B\u1ea3o tr\u00ec v\u00e0 ph\u00e1t tri\u1ec3n<\/h2>\n<p>Robot ph\u00e1t tri\u1ec3n. Y\u00eau c\u1ea7u thay \u0111\u1ed5i. M\u00e1y tr\u1ea1ng th\u00e1i ph\u1ea3i th\u00edch nghi.<\/p>\n<h3>Ki\u1ec3m so\u00e1t phi\u00ean b\u1ea3n<\/h3>\n<p>Gi\u1eef s\u01a1 \u0111\u1ed3 tr\u1ea1ng th\u00e1i trong ki\u1ec3m so\u00e1t phi\u00ean b\u1ea3n c\u00f9ng v\u1edbi m\u00e3 ngu\u1ed3n. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o m\u00f4 h\u00ecnh kh\u1edbp v\u1edbi tri\u1ec3n khai.<\/p>\n<h3>T\u00e0i li\u1ec7u<\/h3>\n<p>Ghi ch\u00fa v\u00e0o s\u01a1 \u0111\u1ed3 b\u1eb1ng c\u00e1c nh\u1eadn x\u00e9t gi\u1ea3i th\u00edch logic ph\u1ee9c t\u1ea1p. Kh\u00f4ng n\u00ean ch\u1ec9 d\u1ef1a v\u00e0o s\u01a1 \u0111\u1ed3 m\u00e0 th\u00f4i.<\/p>\n<h3>T\u00e1i c\u1ea5u tr\u00fac<\/h3>\n<p>Khi th\u00eam t\u00ednh n\u0103ng m\u1edbi, h\u00e3y xem x\u00e9t l\u1ea1i c\u00e1c tr\u1ea1ng th\u00e1i hi\u1ec7n c\u00f3. \u0110\u1ea3m b\u1ea3o logic m\u1edbi kh\u00f4ng t\u1ea1o ra c\u00e1c \u0111\u01b0\u1eddng d\u1eabn ch\u1ebft m\u1edbi.<\/p>\n<h2>\ud83d\ude80 T\u00f3m t\u1eaft nh\u1eefng \u0111i\u1ec3m ch\u00ednh c\u1ea7n l\u01b0u \u00fd<\/h2>\n<p>X\u00e2y d\u1ef1ng ph\u1ea7n m\u1ec1m \u0111i\u1ec1u khi\u1ec3n robot \u0111\u00e1ng tin c\u1eady \u0111\u00f2i h\u1ecfi thi\u1ebft k\u1ebf c\u00f3 k\u1ef7 lu\u1eadt. M\u00e1y tr\u1ea1ng th\u00e1i l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd, nh\u01b0ng l\u1ea1i \u0111\u00f2i h\u1ecfi qu\u1ea3n l\u00fd c\u1ea9n th\u1eadn c\u00e1c s\u1ef1 ki\u1ec7n v\u00e0 t\u00e0i nguy\u00ean.<\/p>\n<ul>\n<li><strong>X\u00e1c \u0111\u1ecbnh th\u1eddi gian ch\u1edd:<\/strong>Kh\u00f4ng bao gi\u1edd \u0111\u1ec3 m\u1ed9t tr\u1ea1ng th\u00e1i ch\u1edd m\u00e3i m\u00e3i.<\/li>\n<li><strong>Qu\u1ea3n l\u00fd t\u00e0i nguy\u00ean:<\/strong>Tr\u00e1nh c\u00e1c ph\u1ee5 thu\u1ed9c v\u00f2ng tr\u00f2n.<\/li>\n<li><strong>Ki\u1ec3m th\u1eed k\u1ef9 l\u01b0\u1ee1ng:<\/strong>S\u1eed d\u1ee5ng m\u00f4 ph\u1ecfng v\u00e0 ki\u1ec3m th\u1eed ng\u1eabu nhi\u00ean.<\/li>\n<li><strong>Theo d\u00f5i c\u00e1c s\u1ef1 ki\u1ec7n:<\/strong>\u0110\u1ea3m b\u1ea3o t\u1ea5t c\u1ea3 \u0111\u1ea7u v\u00e0o \u0111\u1ec1u \u0111\u01b0\u1ee3c x\u1eed l\u00fd.<\/li>\n<li><strong>Gi\u1eef \u0111\u01a1n gi\u1ea3n:<\/strong>Gi\u1ea3m \u0111\u1ed9 ph\u1ee9c t\u1ea1p \u1edf m\u1ee9c c\u00f3 th\u1ec3.<\/li>\n<\/ul>\n<p>B\u1eb1ng c\u00e1ch tu\u00e2n theo c\u00e1c th\u1ef1c h\u00e0nh n\u00e0y, c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c h\u1ec7 th\u1ed1ng b\u1ec1n b\u1ec9 v\u00e0 c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c. Tr\u1ecdng t\u00e2m v\u1eabn l\u00e0 ch\u1ee9c n\u0103ng v\u00e0 an to\u00e0n. Tr\u00e1nh c\u00e1c t\u00ecnh tr\u1ea1ng ch\u1ebft m\u00e1y \u0111\u1ea3m b\u1ea3o robot ho\u00e0n th\u00e0nh nhi\u1ec7m v\u1ee5 m\u00e0 kh\u00f4ng b\u1ecb gi\u00e1n \u0111o\u1ea1n.<\/p>\n<h2>\ud83d\udd2e Nh\u1eefng c\u00e2n nh\u1eafc trong t\u01b0\u01a1ng lai<\/h2>\n<p>Khi c\u00e1c h\u1ec7 th\u1ed1ng robot tr\u1edf n\u00ean t\u1ef1 \u0111\u1ed9ng h\u00f3a h\u01a1n, c\u00e1c m\u00e1y tr\u1ea1ng th\u00e1i s\u1ebd c\u1ea7n t\u00edch h\u1ee3p v\u1edbi c\u00e1c l\u1edbp ra quy\u1ebft \u0111\u1ecbnh c\u1ea5p cao h\u01a1n. C\u00e1c m\u00f4 h\u00ecnh h\u1ecdc m\u00e1y c\u00f3 th\u1ec3 \u0111\u1ec1 xu\u1ea5t h\u00e0nh \u0111\u1ed9ng, nh\u01b0ng m\u00e1y tr\u1ea1ng th\u00e1i v\u1eabn ph\u1ea3i l\u00e0 r\u00e0o ch\u1eafn an to\u00e0n.<\/p>\n<ul>\n<li>\u0110\u1ea3m b\u1ea3o c\u00e1c giao di\u1ec7n gi\u1eefa tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o v\u00e0 logic tr\u1ea1ng th\u00e1i \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh r\u00f5 r\u00e0ng.<\/li>\n<li>Cho ph\u00e9p h\u1ec7 th\u1ed1ng suy gi\u1ea3m m\u1ed9t c\u00e1ch tr\u01a1n tru n\u1ebfu l\u1edbp tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o th\u1ea5t b\u1ea1i.<\/li>\n<li>V\u1eabn ti\u1ebfp t\u1ee5c \u01b0u ti\u00ean h\u00e0nh vi x\u00e1c \u0111\u1ecbnh r\u00f5 r\u00e0ng h\u01a1n l\u00e0 k\u1ebft qu\u1ea3 x\u00e1c su\u1ea5t trong c\u00e1c \u0111\u01b0\u1eddng \u0111i then ch\u1ed1t.<\/li>\n<\/ul>\n<p>N\u1ec1n t\u1ea3ng c\u1ee7a b\u1ea5t k\u1ef3 h\u1ec7 th\u1ed1ng m\u1ea1nh m\u1ebd n\u00e0o l\u00e0 s\u1ef1 hi\u1ec3u r\u00f5 r\u00f5 r\u00e0ng v\u1ec1 c\u00e1c tr\u1ea1ng th\u00e1i ho\u1ea1t \u0111\u1ed9ng c\u1ee7a n\u00f3. \u0110\u1ea7u t\u01b0 th\u1eddi gian v\u00e0o giai \u0111o\u1ea1n thi\u1ebft k\u1ebf. M\u1ed9t s\u01a1 \u0111\u1ed3 \u0111\u01b0\u1ee3c c\u1ea5u tr\u00fac t\u1ed1t s\u1ebd mang l\u1ea1i l\u1ee3i \u00edch l\u1edbn trong th\u1ef1c t\u1ebf.<\/p>\n<h2>\ud83d\udcdd Ghi ch\u00fa cu\u1ed1i c\u00f9ng v\u1ec1 tri\u1ec3n khai<\/h2>\n<p>H\u00e3y nh\u1edb r\u1eb1ng s\u01a1 \u0111\u1ed3 l\u00e0 m\u1ed9t h\u1ee3p \u0111\u1ed3ng. N\u00f3 \u0111\u1ecbnh ngh\u0129a c\u00e1ch h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng trong m\u1ecdi \u0111i\u1ec1u ki\u1ec7n. H\u00e3y coi n\u00f3 nh\u01b0 v\u1eady. Xem x\u00e9t l\u1ea1i c\u00f9ng \u0111\u1ed3ng nghi\u1ec7p. \u0110\u1eb7t c\u00e2u h\u1ecfi v\u1ec1 c\u00e1c gi\u1ea3 \u0111\u1ecbnh. Ki\u1ec3m th\u1eed c\u00e1c tr\u01b0\u1eddng h\u1ee3p bi\u00ean. S\u1ef1 c\u1ea9n tr\u1ecdng n\u00e0y ch\u00ednh l\u00e0 y\u1ebfu t\u1ed1 ph\u00e2n bi\u1ec7t gi\u1eefa c\u00e1c b\u1ea3n m\u00f4 ph\u1ecfng ch\u1ee9c n\u0103ng v\u00e0 ph\u1ea7n m\u1ec1m s\u1eb5n s\u00e0ng s\u1ea3n xu\u1ea5t.<\/p>\n<p>Khi x\u1ea3y ra t\u00ecnh tr\u1ea1ng ch\u1ebft m\u00e1y, \u0111\u1eebng v\u1ed9i cho r\u1eb1ng \u0111\u00f3 l\u00e0 l\u1ed7i ph\u1ea7n c\u1ee9ng. Th\u01b0\u1eddng th\u00ec \u0111\u00f3 l\u00e0 l\u1ed7i logic. Xem l\u1ea1i c\u00e1c chuy\u1ec3n ti\u1ebfp tr\u1ea1ng th\u00e1i. Ki\u1ec3m tra c\u00e1c \u0111i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7. X\u00e1c minh lu\u1ed3ng s\u1ef1 ki\u1ec7n. Gi\u1ea3i ph\u00e1p n\u1eb1m \u1edf thi\u1ebft k\u1ebf.<\/p>\n<p>Vi\u1ec7c \u00e1p d\u1ee5ng c\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t n\u00e0y d\u1eabn \u0111\u1ebfn c\u00e1c h\u1ec7 th\u1ed1ng d\u1ec5 g\u1ee1 l\u1ed7i h\u01a1n, an to\u00e0n h\u01a1n khi v\u1eadn h\u00e0nh v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n khi b\u1ea3o tr\u00ec. Con \u0111\u01b0\u1eddng d\u1eabn \u0111\u1ebfn \u0111\u1ed9 tin c\u1eady \u0111\u01b0\u1ee3c l\u00e1t b\u1eb1ng c\u00e1c tr\u1ea1ng th\u00e1i r\u00f5 r\u00e0ng v\u00e0 c\u00e1c chuy\u1ec3n ti\u1ebfp \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh r\u00f5 r\u00e0ng.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Thi\u1ebft k\u1ebf c\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n \u0111\u00e1ng tin c\u1eady cho robot \u0111\u00f2i h\u1ecfi s\u1ef1 ch\u00ednh x\u00e1c. M\u1ed9t l\u1ed7i logic<\/p>\n","protected":false},"author":3479,"featured_media":11216,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"C\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t cho s\u01a1 \u0111\u1ed3 m\u00e1y tr\u1ea1ng th\u00e1i: Tr\u00e1nh t\u00ecnh tr\u1ea1ng ch\u1ebft m\u00e1y trong robot","_yoast_wpseo_metadesc":"H\u1ecdc c\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t v\u1ec1 m\u00e1y tr\u1ea1ng th\u00e1i UML \u0111\u1ec3 ng\u0103n ch\u1eb7n t\u00ecnh tr\u1ea1ng ch\u1ebft m\u00e1y trong ph\u1ea7n m\u1ec1m \u0111i\u1ec1u khi\u1ec3n robot. \u0110\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady trong c\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n nh\u00fang v\u00e0 tr\u00e1nh c\u00e1c t\u00ecnh tr\u1ea1ng treo nghi\u00eam 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