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Observer-based hierarchical distributed model predictive control for multi-linear motor traction systems.

Guanyang Hu1, Weilin Yang1, Tinglong Pan1

  • 1School of Internet of Things Engineering, Jiangnan University, Wuxi, 214122, China.

ISA Transactions
|June 15, 2024
PubMed
Summary
This summary is machine-generated.

This study introduces a hierarchical distributed model predictive control (MPC) strategy for maintaining speed consistency in multi-linear motor traction systems. The method ensures stability and feasibility through a nonlinear disturbance observer and Lyapunov equation analysis.

Keywords:
Hierarchical distributed model predictive controlMulti-linear motor traction systemsNonlinear disturbance observerSpeed consistency

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Area of Science:

  • Control Systems Engineering
  • Robotics and Automation
  • Electrical Engineering

Background:

  • Ensuring speed consistency in multi-agent systems like motor traction is crucial for operational efficiency and safety.
  • Existing control strategies may struggle with disturbances and complex system dynamics.

Purpose of the Study:

  • To propose a novel observer-based hierarchical distributed model predictive control (MPC) strategy.
  • To enhance speed consistency in multi-linear motor traction systems.
  • To address system disturbances and ensure stability.

Main Methods:

  • A hierarchical control architecture with upper (distributed MPC) and lower (decentralized MPC) layers was implemented.
  • A communication topology was defined for inter-agent information exchange.
  • A nonlinear disturbance observer was designed to mitigate external impacts.
  • Asymptotic stability was proven using Lyapunov equation design.

Main Results:

  • The proposed hierarchical distributed MPC strategy effectively ensures speed consistency.
  • The nonlinear disturbance observer successfully eliminated the negative impact of disturbances.
  • System simulations verified the feasibility and performance of the control strategy.

Conclusions:

  • The observer-based hierarchical distributed MPC is a viable and effective approach for speed consistency in multi-linear motor traction systems.
  • The strategy demonstrates robustness against disturbances and guarantees system stability.