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http://dx.doi.org/10.5370/JEET.2009.4.2.201

A Lookup Table Based Loss Minimizing Control for FCEV Permanent Magnet Synchronous Motors  

Lee, Jung-Gi (Dept. of Electrical and Electronic Engineering, Pohang University of Science and Technology POSTECH University)
Nam, Kwang-Hee (Dept. of Electrical and Electronic Engineering, Pohang University of Science and Technology POSTECH University)
Lee, Sun-Ho (Dept. of Electrical and Electronic Engineering, Pohang University of Science and Technology POSTECH University)
Choi, Soe-Ho (HYUNDAI Motor Company)
Kwon, Soon-Woo (HYUNDAI Motor Company)
Publication Information
Journal of Electrical Engineering and Technology / v.4, no.2, 2009 , pp. 201-210 More about this Journal
Abstract
A loss minimizing controller is developed for a fuel cell electric vehicle (FCEV) permanent magnet synchronous motor (PMSM). The PMSM losses are modeled by some experimental equations. Applying Lagrangian to the loss function, a necessary condition for the optimality appears to be a fourth order polynomial, and the loss minimizing solutions are obtained by a simple numerical approach. On the other hand, the loss minimizing solutions are found by scanning the motor loss in the entire operating region. The two results agree well. The loss minimizing current sets for given torque and speed are made into a table, which is utilized as a look-up in the current control loop.
Keywords
PMSM; Loss minimization; FCEV;
Citations & Related Records

Times Cited By SCOPUS : 7
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