![\"\"](\"http:\/\/ttud.com.vn\/wp-content\/uploads\/2017\/11\/4157123_Volvo_truck.jpg\")
<\/p>\nSau m\u1ed9t th\u1eadp k\u1ef7 ph\u00e1t tri\u1ec3n h\u1ec7 th\u1ed1ng phanh t\u1ef1 \u0111\u1ed9ng, h\u00e3ng xe Volvo \u0111\u1ebfn t\u1eeb Th\u1ee5y \u0110i\u1ec3n \u0111\u00e3 \u0111em h\u1ec7 th\u1ed1ng n\u00e0y l\u00ean th\u1eed nghi\u1ec7m th\u1ef1c t\u1ebf tr\u00ean xe container v\u00e0 gi\u00fap d\u1eebng m\u1ed9t kh\u1ed1i kim lo\u1ea1i n\u1eb7ng 40 t\u1ea5n ch\u1ec9 trong kho\u1ea3ng c\u00e1ch m\u1ed9t \u0111\u1ed3ng xu so v\u1edbi \u0111u\u00f4i xe tr\u01b0\u1edbc. Ch\u00ednh h\u1ec7 th\u1ed1ng phanh “th\u1ea7n k\u1ef3” n\u00e0y \u0111\u00e3 c\u1ee9u m\u1ed9t c\u1eadu b\u00e9 tho\u00e1t ch\u1ebft trong th\u1eddi gian v\u1eeba qua.<\/p>\n
C\u1ea3nh b\u00e1o va ch\u1ea1m k\u1ebft h\u1ee3p v\u1edbi h\u1ed7 tr\u1ee3 phanh kh\u1ea9n c\u1ea5p l\u00e0 s\u1ef1 nghi\u00ean c\u1ee9u ti\u00ean phong c\u1ee7a xe t\u1ea3i Volvo l\u0129nh v\u1ef1c h\u1ec7 th\u1ed1ng an to\u00e0n ch\u1ee7 \u0111\u1ed9ng. V\u1eady l\u00e0m nh\u01b0 th\u1ebf n\u00e0o h\u1ec7 th\u1ed1ng n\u00e0y c\u00f3 th\u1ec3 b\u1ea3o v\u1ec7 t\u00e0i x\u1ebf, nh\u1eefng ng\u01b0\u1eddi xung quanh v\u00e0 gi\u00fap t\u00ecnh h\u00ecnh giao th\u00f4ng tr\u1edf n\u00ean an to\u00e0n h\u01a1n?<\/p>\n
<\/p>\n
Chi\u1ebfc xe s\u1eed d\u1ee5ng m\u1ed9t m\u00e1y \u1ea3nh v\u00e0 m\u1ed9t radar, h\u1ec7 th\u1ed1ng c\u1ea3nh b\u00e1o va ch\u1ea1m v\u1edbi phanh kh\u1ea9n c\u1ea5p s\u1ebd li\u00ean t\u1ee5c gi\u00e1m s\u00e1t c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng \u1edf ph\u00eda tr\u01b0\u1edbc. N\u1ebfu m\u1ed9t v\u1ee5 va ch\u1ea1m s\u1eafp x\u1ea3y ra v\u00e0 ng\u01b0\u1eddi l\u00e1i xe kh\u00f4ng c\u00f3 d\u1ea5u hi\u1ec7u ph\u1ea3n \u1ee9ng th\u00ec phanh kh\u1ea9n c\u1ea5p \u0111\u01b0\u1ee3c t\u1ef1 \u0111\u1ed9ng k\u00edch ho\u1ea1t.
\n\u200b
\nVi\u1ec7c b\u00e1m s\u00e1t \u0111u\u00f4i xe ph\u00eda tr\u01b0\u1edbc th\u01b0\u1eddng r\u1ea5t ph\u1ed5 bi\u1ebfn v\u00e0 tai n\u1ea1n th\u01b0\u1eddng x\u1ea3y ra khi ng\u01b0\u1eddi l\u00e1i xe m\u1ea5t t\u1eadp trung. C\u00e1c v\u1ee5 tai n\u1ea1n s\u1ebd c\u00e0ng nghi\u00eam tr\u1ecdng h\u01a1n khi c\u00e1c xe \u0111ang l\u01b0u th\u00f4ng tr\u00ean \u0111\u01b0\u1eddng l\u00e0 nh\u1eefng xe container, xe t\u1ea3i l\u1edbn do t\u1ea3i tr\u1ecdng v\u00e0 k\u00edch c\u1ee1 c\u1ee7a ch\u00fang.<\/p>\n
1. M\u00e1y quay v\u00e0 radar:<\/p>\n
M\u00e1y quay s\u1ebd x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c xe ph\u00eda tr\u01b0\u1edbc m\u1eb7t thu\u1ed9c xe g\u00ec v\u00e0 k\u00edch c\u1ee1 c\u1ee7a ch\u00fang c\u00f9ng v\u1edbi radar s\u1ebd \u0111o \u0111\u01b0\u1ee3c t\u1ed1c \u0111\u1ed9 di chuy\u1ec3n v\u00e0 kho\u1ea3ng c\u00e1ch c\u1ee7a ch\u01b0\u1edbng ng\u1ea1i v\u1eadt so v\u1edbi \u0111\u1ea7u xe.<\/p>\n
2. B\u1ed9 c\u1ea3m bi\u1ebfn ph\u1ea3n \u1ee9ng t\u1ed5ng h\u1ee3p:<\/p>\n
B\u1ed9 ph\u1eadn n\u00e0y s\u1ebd nh\u1eadn t\u00edn hi\u1ec7u \u0111\u1ea7u v\u00e0o t\u1eeb m\u00e1y quay v\u00e0 radar \u0111\u1ec3 ph\u00e2n t\u00edch \u0111\u1ed1i t\u01b0\u1ee3ng ph\u00eda tr\u01b0\u1edbc m\u1eb7t c\u00f3 ph\u1ea3i l\u00e0 m\u1ed1i \u0111e d\u1ecda nghi\u00eam tr\u1ecdng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 an to\u00e0n kh\u00f4ng hay ch\u1ec9 l\u00e0 nh\u1eefng v\u1eadt th\u1ec3 th\u00f4ng th\u01b0\u1eddng nh\u01b0 \u0111\u00e1 d\u0103m, lon n\u01b0\u1edbc r\u1ed7ng,…<\/p>\n
3. B\u1ed9 ph\u1eadn ph\u1eadn \u0111i\u1ec1u khi\u1ec3n trung t\u00e2m (control unit):<\/p>\n
Sau khi thu th\u1eadp \u0111\u1ea7y \u0111\u1ee7 th\u00f4ng tin t\u1eeb c\u00e1c c\u1ea3m bi\u1ebfn, m\u00e1y t\u00ednh trung t\u00e2m s\u1ebd ph\u00e2n t\u00edch t\u00ecnh hu\u1ed1ng d\u1ef1a tr\u00ean ch\u00f9m laser ph\u00e1t ra t\u1eeb radar. Th\u00f4ng tin c\u1ee7a lo\u1ea1i laser nh\u01b0 b\u01b0\u1edbc s\u00f3ng, v\u1eadn t\u1ed1c,\u2026 \u0111\u01b0\u1ee3c l\u01b0u s\u1eb5n. Khi th\u1eddi gian m\u00e0 c\u1ee5c ph\u00e1t b\u1eafn s\u00f3ng \u0111i v\u00e0 nh\u1eadn pha ph\u1ea3n h\u1ed3i v\u1ec1, m\u00e1y t\u00ednh s\u1ebd x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c kho\u1ea3ng c\u00e1ch t\u1eeb xe \u0111\u1ebfn v\u1eadt th\u1ec3 tr\u01b0\u1edbc m\u1eb7t.<\/p>\n
4. B\u1ed9 ph\u1eadn th\u1ef1c thi m\u1ec7nh l\u1ec7nh:<\/p>\n
Tr\u00ean k\u00ednh ch\u1eafn gi\u00f3 ph\u00eda tr\u01b0\u1edbc s\u1ebd c\u00f3 \u0111\u00e8n b\u00e1o \u0111\u1ed9ng hi\u1ec3n th\u1ecb l\u00ean nh\u01b0 head-up-display v\u00e0 \u00e2m thanh \u0111\u1ec3 c\u1ea3nh b\u00e1o ng\u01b0\u1eddi l\u00e1i. Trong tr\u01b0\u1eddng h\u1ee3p xe \u0111\u00e3 ch\u1ea1y v\u00e0o qu\u00e1 v\u00f9ng kho\u1ea3ng c\u00e1ch an to\u00e0n m\u00e0 ng\u01b0\u1eddi l\u00e1i xe v\u1eabn ch\u01b0a ph\u1ea3n \u1ee9ng; v\u00ed d\u1ee5 \u0111ang \u0111i chuy\u1ec3n \u1edf v\u1eadn t\u1ed1c 100 km\/h – kho\u1ea3ng c\u00e1ch an to\u00e0n l\u00e0 70 m\u00e9t; th\u00ec xe s\u1ebd t\u1ef1 \u0111\u1ed9ng k\u00edch ho\u1ea1t phanh \u0111\u1ec3 d\u1eebng xe l\u1ea1i.<\/p>\n
C\u00e1i l\u1ee3i th\u1ebf c\u1ee7a h\u1ec7 th\u1ed1ng n\u00e0y l\u00e0 trong qu\u00e1 tr\u00ecnh phanh, n\u00f3 v\u1eabn lu\u00f4n c\u1eadp nh\u1eadt kho\u1ea3ng c\u00e1ch v\u1ec1 cho m\u00e1y t\u00ednh, n\u1ebfu v\u1eadn t\u1ed1c c\u00f2n l\u1ea1i qu\u00e1 cao m\u00e0 kho\u1ea3ng c\u00e1ch qu\u00e1 ng\u1eafn n\u00f3 s\u1ebd d\u1ed3i th\u00eam phanh s\u00e2u n\u1eefa b\u00f9 l\u1ea1i cho vi\u1ec7c phanh b\u1ecb m\u00f2n. \u0110i\u1ec1u n\u00e3y d\u1eabn \u0111\u1ebfn kh\u1ea3 n\u0103ng d\u1eebng m\u1ed9t kh\u1ed1i kim lo\u1ea1i n\u1eb7ng 40 t\u1ea5n l\u1ea1i m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 nh\u1ea5t d\u1ef1a tr\u00ean t\u00ecnh tr\u1ea1ng c\u1ee7a h\u1ec7 th\u1ed1ng phanh c\u00f2n l\u1ea1i v\u00e0 ch\u1ec9 c\u00e1ch \u0111u\u00f4i v\u1eadt th\u1ec3 ph\u00eda tr\u01b0\u1edbc v\u00e0i inches ho\u1eb7c th\u1eadm ch\u00ed s\u00e1t n\u00fat m\u1ed9t \u0111\u1ed3ng xu, gi\u1ea3m thi\u1ec3u t\u1ed1i \u0111a va ch\u1ea1m.<\/p>\n
M\u1eddi anh em c\u00f9ng xem \u0111o\u1ea1n video tr\u00ecnh di\u1ec5n c\u1ee7a h\u1ec7 th\u1ed1ng n\u00e0y:<\/p>\n