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

Guanyang Hu

doi:10.1016/j.isatra.2024.05.049

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

2024-08-01

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DOI：10.1016/j.isatra.2024.05.049

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Abstract

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This paper proposes an observer-based hierarchical distributed model predictive control (MPC) strategy for ensuring speed consistency in multi-linear motor traction systems. First, a communication topology is considered to ensure information exchange. Secondly, the control architecture of each agent is divided into upper layers and lower layers. The upper layer utilizes a distributed MPC method to track the leader's speed. The lower layer uses a decentralized MPC method to track the command signals sent by its upper layer controller. In addition, to eliminate the negative impact of disturbance, a nonlinear disturbance observer is designed. We then prove the asymptotic stability of the entire system by properly designing the Lyapunov equation. Finally, the feasibility of the proposed strategy is verified based on several simulations.

Keywords:

Speed consistency

Multi-linear motor traction systems

Hierarchical distributed model predictive control

Nonlinear disturbance observer

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

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