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A novel high order sliding mode control method.

Jianping Guo1

  • 1College of Mechanical and Electrical Engineering, University of Electronic Science and Technology of China, Zhongshan Institute, Zhongshan, China.

ISA Transactions
|December 7, 2020
PubMed
Summary
This summary is machine-generated.

A novel high-order sliding mode control (SMC) method effectively manages single-input, single-output and multi-variable systems. This advanced control strategy minimizes chattering and enhances performance, outperforming existing high-order control techniques.

Keywords:
High order SMCLoad frequency controlMulti-variable systemSISO

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Area of Science:

  • Control Systems Engineering
  • Electrical Engineering
  • Applied Mathematics

Background:

  • Conventional control methods, including sliding mode control (SMC), often suffer from the chattering phenomenon.
  • Unmodelled dynamics and external disturbances pose significant challenges in controlling complex systems.

Purpose of the Study:

  • To develop an original high-order sliding mode control (SMC) method for single-input, single-output (SISO) and multi-variable systems.
  • To mitigate the chattering effect inherent in traditional control approaches.
  • To demonstrate superior control performance compared to existing high-order control methods.

Main Methods:

  • Design of a new high-order sliding mode control (SMC) methodology.
  • Application and validation of the proposed SMC method on SISO systems through two examples.
  • Implementation and testing of the SMC scheme on multi-variable systems with two illustrative examples.
  • Utilization of the developed control method for load frequency control applications.

Main Results:

  • The proposed high-order SMC method effectively controls both SISO and multi-variable systems.
  • The new methodology demonstrates robustness against unmodelled dynamics and external disturbances.
  • Experimental results confirm the method's validity and superior performance in load frequency control.
  • Significant reduction in chattering phenomenon compared to conventional methods.

Conclusions:

  • The developed high-order SMC method offers an effective solution for controlling SISO and multi-variable systems.
  • The approach provides enhanced control performance, characterized by fast convergence and reduced chattering.
  • This novel SMC technique presents a promising advancement in control engineering, particularly for applications like load frequency control.