典型文献
Precise Compound Control of Loading Force for Electric Load Simulator of Electric Power Steering Test Bench
文献摘要：
Electric load simulator(ELS)systems are employed for electric power steering(EPS)test benches to load rack force by precise control.Precise ELS control is strongly influenced by nonlinear factors.When the steering motor rapidly rotates,extra force is directly superimposed on the original static loading error,which becomes one of the main sources of the final error.It is key to achieve ELS precise loading control for the entire EPS test bench.Therefore,a three-part compound control algorithm is proposed to improve the loading accuracy.First,a fuzzy proportional-integral plus feedforward controller with force feedback is presented.Second,a friction compensation algorithm is established to reduce the influence of friction.Then,the relationships between each quantity and the extra force are analyzed when the steering motor rapidly rotates,and a net torque feedforward compensation algorithm is proposed to eliminate the extra force.The compound control algorithm was verified through simulations and experiments.The results show that the tracking performance of the compound control algorithm satisfies the demands of engineering practice,and the extra force in the ELS system can be suppressed by the net torque corresponding to the actuator's acceleration.
文献关键词：
中图分类号：
作者姓名：
Changhua Dai;Guoying Chen;Changfu Zong;Buyang Zhang
作者机构：
State Key Laboratory of Automotive Simulation and Control,Jilin University,Changchun 130022,China;College of Automotive Engineering,Jilin University,Changchun 130022,China
文献出处：
引用格式：
[1]Changhua Dai;Guoying Chen;Changfu Zong;Buyang Zhang-.Precise Compound Control of Loading Force for Electric Load Simulator of Electric Power Steering Test Bench)[J].中国机械工程学报,2022(01):255-265
A类：
benches,rack
B类：
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AB值：
0.549748
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