Invention Grant
- Patent Title: Systems, methods and devices for approximate dynamic programming vector controllers for operation of IPM motors in linear and over modulation regions
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Application No.: US15879707Application Date: 2018-01-25
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Publication No.: US10367437B2Publication Date: 2019-07-30
- Inventor: Shuhui Li , Xingang Fu , Hoyun Won , Yang Sun
- Applicant: The Board of Trustees of The University of Alabama
- Applicant Address: US AL Tuscaloosa
- Assignee: The Board of Trustees of The University of Alabama
- Current Assignee: The Board of Trustees of The University of Alabama
- Current Assignee Address: US AL Tuscaloosa
- Agency: Meunier Carlin & Curfman LLC
- Main IPC: H02P21/00
- IPC: H02P21/00 ; H02P27/08

Abstract:
Described herein is an approximate dynamic programming (ADP) vector controller for control of a permanent magnet (PM) motor. The ADP controller is developed using the full dynamic equation of a PM motor and implemented using an artificial neural network (ANN). A feedforward control strategy is integrated with the ANN-based ADP controller to enhance the stability and transient performance of the ADP controller in both linear and over modulation regions. Simulation and hardware experiments demonstrate that the proposed ANN-based ADP controller can track large reference changes with high efficiency and reliability for PM motor operation in linear and over modulation regions.
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