摘要：Electrohydraulic servo systems (EHSS) have beenwidely used in industries, especially for efficiently handlingheavy loads. The purpose of this paper is to present a trajectorytracking of position control strategy which uses a closed-loopcontroller for EHSS system to synchronize the actual anddesired positions. Generally, the PD controller is utilizedextensively to control the EHSS, but the tracking performanceof this approach is limited due to the nonlinear dynamics ofEHSS. To achieve better control performance, the activedisturbance rejection control (ADRC) is used in this paper toeliminate the nonlinear disturbance for EHSS. The simulationresults show that the presented controller gains better trackingperformances, such as less tracking lag and less mean absoluteerror (MAE), when compared with the PD controller.
关键词：Electrohydraulic Servo Systems; Position
control; PD Controller; Active Disturbance Rejection Control;
Tracking Performance; Mean Absolute Error.
