PROBLEM TO BE SOLVED: To provide a rotary electric machine control device capable of suppressing vibration and noise, and an electric power steering device using the same.SOLUTION: Individual current limit value calculation units 140, 240 calculate individual current limit values Ilim_k1, Ilim_k2 which are values for systems associated with a current limit, respectively. Current limit value calculation units 161 261 set current limit values Ilim1, Ilim2 on the basis of the individual current limit values Ilim_k1, Ilim_k2, respectively. Control signal calculation units 169, 269 calculate a control signal based on a current command value calculated in accordance with the current limit values Ilim1, Ilim2, and output the control signal to inverter circuits 120, 220, respectively. The current limit value calculation units 161, 261 can switch between a current limit value shared mode in which the current limit values Ilim1, Ilim2 are made to match for an own system and the other system, and a current limit value unshared mode in which the current limit values Ilim1, Ilim2 are set individually for the own system and the other system.SELECTED DRAWING: Figure 9
【課題】振動や騒音を抑制可能である回転電機制御装置、および、これを用いた電動パワーステアリング装置を提供する。【解決手段】個別電流制限値演算部140、240は、電流制限に係る系統ごとの値である個別電流制限値Ilim_k1、Ilim_k2を演算する。電流制限値演算部161、261は、個別電流制限値Ilim_k1、Ilim_k2に基づいて電流制限値Ilim1、Ilim2を設定する。制御信号演算部169、269は、電流制限値Ilim1、Ilim2に応じて演算される電流指令値に基づく制御信号を演算してインバータ回路120、220に出力する。電流制限値演算部161、261は、自系統と他系統とで電流制限値Ilim1、Ilim2を一致させる電流制限値共有モードと、自系統と他系統とで個別に電流制限値Ilim1、Ilim2を設定する電流制限値非共有モードとを切替可能である。【選択図】 図9
ROTARY ELECTRIC MACHINE CONTROL DEVICE AND ELECTRIC POWER STEERING DEVICE USING THE SAME
回転電機制御装置、および、これを用いた電動パワーステアリング装置
2018-05-31
Patent
Electronic Resource
Japanese
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