INTEGRATED CONTROL OF AUTOMOBILE STEERING AND SUSPENSION SYSTEM BASED ON DISTURBANCE SUPPRESSION

Abstract

Abstract: A vehicle nonlinear lateral and vertical dynamics model is built under crosswind disturbance. With the L2-gain method of disturbance suppression, the nonlinear H output feedback controller is designed for electrical power steering (EPS) and active suspension system (ASS) with considerations of random road input and strong crosswind disturbance. Simulations for driver-vehicle-road closed-loop system are carried out by using Matlab software. The results show that the designed controller can suppress the disturbances effectively and improve handling stability, handiness and ride characteristics of a vehicle.

Key words: Automobile, Disturbance suppression, Integrated control, L2-gain, Nonlinearity, corrosion depth, electrical resistance method, pipeline, ring pair probe, temperature difference

CLC Number:

O441

CHEN Wuwei;SUN Qiqi;HU Yanping;ZHU Maofei. INTEGRATED CONTROL OF AUTOMOBILE STEERING AND SUSPENSION SYSTEM BASED ON DISTURBANCE SUPPRESSION[J]. , 2007, 43(11): 98-104.

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INTEGRATED CONTROL OF AUTOMOBILE STEERING AND SUSPENSION SYSTEM BASED ON DISTURBANCE SUPPRESSION

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