A Simple Deadbeat Predictive Current Control for PMSM With Parameter Robustness Improvement | IEEE Journals & Magazine | IEEE Xplore

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A Simple Deadbeat Predictive Current Control for PMSM With Parameter Robustness Improvement


Abstract:

The deadbeat predictive current control (DPCC) method is a predictive control (PC) method with excellent dynamic-state response. However, it suffers from poor steady-stat...Show More

Abstract:

The deadbeat predictive current control (DPCC) method is a predictive control (PC) method with excellent dynamic-state response. However, it suffers from poor steady-state performance due to parameter mismatch, unmodeled parts of the system, and external disturbances. Unlike the methods utilizing model free and observer, a simple DPCC with parameter robustness improvement (SDPCC-PRI) method for permanent magnet synchronous motor (PMSM) is proposed to enhance the parameter robustness in this article. First, a simple error compensation (SEC) algorithm based on the minimization of a cost function designed in this article is capable of calculating and compensating for the error terms in the extended voltage prediction model in real time, thus suppressing the adverse effects caused by parameter mismatch. Furthermore, the online inductance extraction (OIE) algorithm addresses the impact of gain variation resulting from inductance mismatch on the SEC algorithm. Finally, the simulation based on MATLAB/Simulink and experiments conducted on the 1.25-kW experimental platform are provided to validate the proposed SDPCC-PRI method.
Page(s): 759 - 770
Date of Publication: 02 January 2025

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