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Maximum Torque Control of an IPMSM Drive Using an Adaptive Learning Fuzzy-Neural Network

  • Ko, Jae-Sub (Dept. of Electrical Control Eng., Sunchon National University) ;
  • Choi, Jung-Sik (Korea Electronics Technology Institute) ;
  • Chung, Dong-Hwa (Dept. of Electrical Control Eng., Sunchon National University)
  • Received : 2010.05.24
  • Published : 2012.05.20

Abstract

The interior permanent magnet synchronous motor (IPMSM) has been widely used in electric vehicle applications due to its excellent power to weigh ratio. This paper proposes the maximum torque control of an IPMSM drive using an adaptive learning (AL) fuzzy neural network (FNN) and an artificial neural network (ANN). This control method is applicable over the entire speed range while taking into consideration the limits of the inverter's rated current and voltage. This maximum torque control is an executed control through an optimal d-axis current that is calculated according to the operating conditions. This paper proposes a novel technique for the high performance speed control of an IPMSM using AL-FNN and ANN. The AL-FNN is a control algorithm that is a combination of adaptive control and a FNN. This control algorithm has a powerful numerical processing capability and a high adaptability. In addition, this paper proposes the speed control of an IPMSM using an AL-FNN, the estimation of speed using an ANN and a maximum torque control using the optimal d-axis current according to the operating conditions. The proposed control algorithm is applied to an IPMSM drive system. This paper demonstrates the validity of the proposed algorithms through result analysis based on experiments under various operating conditions.

Keywords

References

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