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Hiroki Iwata,Yuji Okada,Kiyoshi Ohishi,Yuki Yokokura 전력전자학회 2019 ICPE(ISPE)논문집 Vol.2019 No.5
This paper proposes a new compensation method for estimating temperature using a voltage disturbance observer. In conventinal resistance estimation method is weekness to other parameter variations in SPMSM, because it is for estimating potision control system. In addition, offline compensate method is hard, because rotor flux and inductance are changing depending on temperature. Hence, we proposed a method to estimate the temperature based on the motor model without the influence of back erectromotive force. However, problems such as voltage disturbances arise, because the system didnot consider the inductance variation depending on temperature. This paper proposes a new method to compensate these disturbances and confirm its effectiveness by experiments.