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Optimized PID Controller Based on Beetle Antennae Search Algorithm for Electro-Hydraulic Position Servo Control

Yuqi Fan1, Junpeng Shao2, Guitao Sun3

  • 1School of Mechanical and Power Engineering, Harbin University of Science and Technology, Harbin 150080, China. yuqifan77@163.com.

Sensors (Basel, Switzerland)
|June 21, 2019
PubMed
Summary
This summary is machine-generated.

A new compound PID controller, combining the beetle antennae search (BAS) algorithm with PID strategy, enhances electro-hydraulic control system performance. This BAS-PID controller improves controllability and anti-jamming capabilities, effectively restraining disturbances.

Keywords:
PID controllerbeetle antennae search algorithmelectro-hydraulic servo system

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Area of Science:

  • Control Systems Engineering
  • Robotics and Automation
  • Mechanical Engineering

Background:

  • Electro-hydraulic position servo control systems require precise controllability and robust anti-jamming capabilities.
  • Traditional PID controllers often face limitations in optimizing performance and resisting external disturbances.

Purpose of the Study:

  • To develop an advanced control strategy for electro-hydraulic position servo systems.
  • To enhance the controllability and anti-jamming performance of PID controllers.
  • To introduce a novel compound controller integrating the beetle antennae search algorithm with PID control.

Main Methods:

  • Established the fundamental mathematical model of the electro-hydraulic position servo control system.
  • Identified system parameters to derive the transfer function model.
  • Formulated PID parameter tuning as a three-dimensional optimization problem.
  • Employed the beetle antennae search (BAS) algorithm to optimize PID controller gains.

Main Results:

  • The proposed BAS-PID controller demonstrated significant improvements in system performance.
  • The controller effectively restrained disturbance signals and inhibited external interference.
  • Simulation and experimental results validated the enhanced robustness and control accuracy.
  • Comparative analysis showed superior performance over other algorithms.

Conclusions:

  • The BAS-PID controller offers a superior approach to enhancing electro-hydraulic position servo control.
  • This method effectively improves system controllability and anti-jamming abilities.
  • The integration of BAS algorithm provides an effective tool for PID parameter optimization in complex systems.