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Variable Sampling MPC via Differentiable Time-Warping Function

delete2023-05-31
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OA
AI
Z
Zehui Lu *
S
Shaoshuai Mou
DOI:10.23919/ACC55779.2023.10155935delete
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Abstract

Abstract

En 中文
Designing control inputs for a system that involves dynamical responses in multiple timescales is nontrivial. This paper proposes a parameterized time-warping function to enable a non-uniformly sampling along a prediction horizon given some parameters. The horizon should capture the responses under faster dynamics in the near future and preview the impact from slower dynamics in the distant future. Then a variable sampling MPC (VS-MPC) strategy is proposed to jointly determine optimal control and sampling parameters at each timestamp. VS-MPC adapts how it samples along the horizon and determines optimal control accordingly at each timestamp without offline tuning or trial and error. A numerical example of a wind farm battery energy storage system is also provided to demonstrate that VS-MPC outperforms the uniform sampling MPC.
Keywords:
MODEL-PREDICTIVE CONTROL
OPTIMIZATION
SYSTEMS

Journal

A
American Control Conference and ACC
IF:
0
Papers:
75
Citations:
0

Organization

Purdue University System cover
Purdue University System
Scholars:
4.0W
Papers: 3.6W
Citations: 66
Cited Papers

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