Electronics, Vol. 14, Pages 1990: Response Error Prediction and Feedback Control Method for Electro-Hydraulic Actuators Based on LSTM

Electronics doi: 10.3390/electronics14101990

Authors:
Yu Song
Shijie Wang
Weiqiang Wang
Qi Wei
Jianmin Zhang
Jianfeng Tao

The application of hydraulic systems in aerospace and engineering machines is becoming widespread. With the use of electro-hydraulic actuators, designing efficient and intelligent controllers can help the rapid expansion of electromechanical equipment in various scenarios. In response to the difficulty of slow response in the EHA control process, the paper designs an error prediction algorithm to predict the system response curve and replace the real-time error of PID input, achieving advanced correction of the controller. The experiment shows that the proposed method has a lower response time and smoother control curve while ensuring accuracy. It might have potential value in improving hydraulic system efficiency, reducing switching shock, and increasing system service life.

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Yu Song www.mdpi.com