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Design of an Active Safety Collision Avoidance System Based on Adaptive Warning Area |
CHEN Ping-a, WANG Chun-Xiang-a, YANG Ming-b, WANG Bing-b |
(a. School of Mechanical Engineering; b. School of Electronic, Information and Electrical Engineering, Shanghai Jiaotong University, Shanghai 200240, China) |
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Abstract To improve vehicle driving safety in urban environment, an active safety collision avoidance system was presented and implemented. A distributed architecture was adopted in the lowlevel system, uC/OSII employed as the realtime operational system of the bottom software. The communication system was realized by CANopen protocol. Since the road curvature always changes drastically in urban environment, an adaptive warning area based collision detecting method was proposed using scanning laser radar. The stability of the system and the validity of the proposed method were proved by the real experiments.
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Received: 17 September 2010
Published: 29 July 2011
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