Control of an electrohydraulic steering system using a PID controller with a nonlinear compensation algorithm

Zhilin Dong; Qin Zhang; Shufeng Han

doi:10.1117/12.474438

17 July 2002 Control of an electrohydraulic steering system using a PID controller with a nonlinear compensation algorithm

Zhilin Dong, Qin Zhang, Shufeng Han

Author Affiliations +

Proceedings Volume 4715, Unmanned Ground Vehicle Technology IV; (2002) https://doi.org/10.1117/12.474438
Event: AeroSense 2002, 2002, Orlando, FL, United States

Abstract

Hydraulic steering control system is widely used on varieties of vehicles. This paper presents the application of a proportional-integral-derivative (PID) controller with a non-linear compensation algorithm to control an electrohydraulic (E/H) steering system on an agricultural vehicle. In this controller, the non-linear compensation algorithm was used to compensate for the system deadband and saturation of the electrohydraulic steering system and the PID loop was used to minimize the tracking error in steering control. The controller was tested on a Deere 8200 tractor driving on both cement pavement and farm fields. The test results indicate that the nonlinearity compensated PID controller performed well on agricultural vehicle steering control.

Citation Download Citation

Zhilin Dong, Qin Zhang, and Shufeng Han "Control of an electrohydraulic steering system using a PID controller with a nonlinear compensation algorithm", Proc. SPIE 4715, Unmanned Ground Vehicle Technology IV, (17 July 2002); https://doi.org/10.1117/12.474438

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