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Practical approach to mid-ranging control of double-unit actuating systems.

Pawel Nowak1, Patryk Grelewicz1, Michal Fratczak1

  • 1Silesian University of Technology, Faculty of Automatic Control, Electronics and Computer Science, Department of Automatic Control and Robotics, Gliwice 44100, Poland.

ISA Transactions
|September 21, 2024
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Summary

This study enhances control for double-unit actuator systems using a novel design framework and feedforward compensation. The improved mid-ranging control system (MCS) achieves significant performance gains, demonstrating robust control strategies.

Keywords:
Actuating systemD-partition methodMid-ranging controlPractical implementation and validationRobust tuning

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Area of Science:

  • Control Systems Engineering
  • Robotics and Automation

Background:

  • Controlling complex systems with multiple actuators presents significant challenges.
  • Conventional mid-ranging control systems (MCS) often struggle with optimal controller cooperation.

Purpose of the Study:

  • To develop a robust framework for designing and tuning MCS for double-unit actuator systems.
  • To enhance MCS performance through a universal modification involving a feedforward compensator.

Main Methods:

  • A step-by-step design and tuning framework based on the D-partition method.
  • Implementation of a feedforward compensator to augment the existing MCS structure.

Main Results:

  • Quantitative improvements in system performance, ranging from 16% to 26% in selected cases.
  • Validation of the proposed methods through both numerical simulations and experimental tests.

Conclusions:

  • The proposed D-partition-based framework effectively improves controller cooperation in MCS.
  • The addition of a feedforward compensator offers a universal and effective method for enhancing MCS performance.