Simulation of vehicle steering conditions

WU Liying; YU Qiang; XU Tongqiang; ZHANG Shuo

doi:10.3981/j.issn.1000-7857.2015.24.010

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Science & Technology Review ›› 2015, Vol. 33 ›› Issue (24) : 57-63. DOI: 10.3981/j.issn.1000-7857.2015.24.010

Articles

Simulation of vehicle steering conditions

Author information -

1. School of Automobile, Chang'an University, Xi'an 710064, China;
2. State Key Laboratory of Mechanical Transmission, Chongqing University, Chongqing 400030, China

Abstract

To realize accurate simulation of vehicle steering conditions, we established an EPS test-bed consisting of an electric power steering system, steering resistance torque loading device and measurement & control system on the basis of the virtual interactive force between the tire and the ground. A double closed loop real-time control strategy was designed for improving the output precision of the servo motor torque. An anti-overrun control strategy was designed from software and hardware levels to guarantee security of the application process of the test platform. The simulation test of the EPS test platform was carried out on a vehicle in situ steering condition, and the hardware-in-the-loop experiment was carried out to verify the real-time performance of the experimental platform control system. The results show that the designed control system and control algorithm meet the real-time and accuracy requirements of simulation of vehicle steering conditions, and are able to provide a good test environment for development and debugging of EPS controllers.

Key words

vehicle steering simulation / EPS test platform / double closed loop real-time control / hardware-in-the-loop-test

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WU Liying, YU Qiang, XU Tongqiang, ZHANG Shuo. Simulation of vehicle steering conditions[J]. Science & Technology Review, 2015, 33(24): 57-63 https://doi.org/10.3981/j.issn.1000-7857.2015.24.010

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