To increase the frequency of an output of control voltage while suppressing an angle detection noise.SOLUTION: A motor control device comprises: a command value calculation unit that calculates each voltage command value of two axes of a d-axis and a q-axis; a conversion unit that converts each voltage command value of the two axes of the d-axis and the q-axis into a voltage command value of each phase of an n-phase motor for each calculation time interval; a spark advance compensation unit that performs spark advance compensation on the conversion unit, and gives a plurality of spark advance amounts in each of a plurality of interpolation intervals obtained by dividing the calculation time interval into a plurality of intervals to the concerned conversion unit for each calculation time interval, and thereby, makes the concerned conversion unit calculate the voltage command value of each phase of the n-phase motor in each of the concerned plurality of interpolation intervals for each calculation time interval; and a storage unit that stores the voltage command value of each phase of the n-phase motor in each of the plurality of interpolation intervals for each calculation time interval, and outputs the concerned voltage command value for each concerned interpolation interval.SELECTED DRAWING: Figure 3
【課題】角度検出ノイズを抑制しながら制御電圧の出力を高周波数化する。【解決手段】dq2軸それぞれの電圧指令値を算出する指令値算出部と、dq2軸それぞれの上記電圧指令値を、n相モータの各相の電圧指令値に、演算時間間隔毎に変換する変換部と、上記変換部に対して進角補償を施し、上記演算時間間隔が複数に分割された複数の補間間隔それぞれにおける複数の進角量を当該変換部に対して上記演算時間間隔毎に与えることで、当該複数の補間間隔それぞれにおけるn相モータの各相の上記電圧指令値を当該変換部によって上記演算時間間隔毎に算出させる進角補償部と、上記演算時間間隔毎に、上記複数の補間間隔それぞれにおけるn相モータの各相の上記電圧指令値を記憶し、当該補間間隔毎に当該電圧指令値を出力する記憶部と、を備える。【選択図】 図3
MOTOR CONTROL DEVICE, ELECTRIC ACTUATOR, AND ELECTRIC POWER STEERING DEVICE
モータ制御装置、電動アクチュエータおよび電動パワーステアリング装置
2023-12-07
Patent
Elektronische Ressource
Japanisch
MOTOR CONTROL DEVICE, ELECTRIC ACTUATOR, AND ELECTRIC POWER STEERING DEVICE
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