Simulation of Driving Force Power Steering Control System Based on AMESim and Simulink

A novel power assisted steering system based on differential drive torque of the right and left steerable driving wheel was proposed, owing to the driving characteristics of four-wheel-independent-driving electric vehicle, the basic theory and structure of Driving Force Power Steering(DFPS) is expla...

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Bibliographic Details
Main Authors: Jin, Li-qiang, Wang, Jun-nian, Song, Chuan-xue
Format: Conference Proceeding
Language:English
Subjects:
Assist steering
Control system synthesis
Differential drive
Electric vehicle
Electric vehicles
Force control
Mathematical model
MATLAB
Motorized wheels
Power steering
Power system modeling
Torque
Vehicle dynamics
Wheels
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Summary:A novel power assisted steering system based on differential drive torque of the right and left steerable driving wheel was proposed, owing to the driving characteristics of four-wheel-independent-driving electric vehicle, the basic theory and structure of Driving Force Power Steering(DFPS) is explained in detail. Subsequently, electric vehicle with motorized wheels dynamics model based on AMESim was built, and the Driving Force Power steering control system model was built using MATLAB/Simulink. The control strategy of torque distribution between right and left front steerable wheels was presented, to reduce the steering efforts and improve the returnability of the steering wheel. By the co-simulation results, it is proved that the proposed DFPS control system improves the steering maneuverability, steering feel and returnability of the steering wheel, including yaw compensation.
DOI:10.1109/ICICTA.2010.197