Method Study on Fuzzy-PID Adaptive Control of Electric-hydraulic Hitch System

被引:7
|
作者
Li, Mingsheng [1 ]
Wang, Liubu [1 ]
Liu, Jian [1 ]
Ye, Jin [1 ]
机构
[1] Southwest Univ, Coll Engn & Technol, Chongqing 400700, Peoples R China
关键词
electric-hydraulic hitch system; fuzzy-PID adaptive control; simulation; field experiment;
D O I
10.1063/1.4977350
中图分类号
O59 [应用物理学];
学科分类号
摘要
In this paper, fuzzy-PID adaptive control method is applied to the control of tractor electric-hydraulic hitch system. According to the characteristics of the system, a fuzzy-PID adaptive controller is designed and the electric-hydraulic hitch system model is established. Traction control and position control performance simulation are carried out with the common PID control method. A field test rig was set up to test the electric-hydraulic hitch system. The test results showed that, after the fuzzy-PID adaptive control is adopted, when the tillage depth steps from 0.1m to 0.3m, the system transition process time is 4s, without overshoot, and when the tractive force steps from 3000N to 7000N, the system transition process time is 5s, the system overshoot is 25%.
引用
收藏
页数:8
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