LONGITUDINAL MOTION CONTROL OF INTELLIGENT VEHICLE

Abstract

Abstract: Firstly, vehicle longitudinal mathematic model based on medium-level complex engine model and non-linear brake model is given. Then, the complex plant controller automatic design method based on fuzzy logic and genetic algorithm is used to design fuzzy brake controller. And switch logic of throt-tle and brake is designed. Based on the brake controller and the switch logic, throttle controller is designed by using the same automatic design method. Throttle controller, brake controller and switch logic together constitute longitudinal motion con-troller (LMC). Lastly, validities of LMC in IV cruise control and adaptive cruise control are tested through simulations. The results show that the LMC can meet IV longitudinal control performances of high precision, strong robustness and smooth-ness.

Key words: Throt-tle control, Brake control, Fuzzy logic Genetic algorithm, Intelligent vehicle, Longitudinal control

CLC Number:

TP242.62

LI Yibin;RUAN Jiuhong;LI Caihong;FU Mengyin. LONGITUDINAL MOTION CONTROL OF INTELLIGENT VEHICLE[J]. , 2006, 42(11): 94-102.

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LONGITUDINAL MOTION CONTROL OF INTELLIGENT VEHICLE

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