A rotary electric machine control device includes multiple drive circuits provided for respective winding sets in a rotary electric machine, and multiple control units. When combinations of the winding sets and configurations provided correspondingly to the respective winding sets are defined as systems, the control units are provided for the respective systems. Each of the control units controls energization of the winding set provided correspondingly, and monitors an abnormality of a monitoring target. Each of the control units performs an abnormality detection time backup control during a period from detection of the abnormality of the monitoring target to confirmation of the abnormality, and performs an abnormality confirmation time backup control when the abnormality is confirmed.
Rotary electric machine control device and electric power steering device using same
2023-01-31
Patent
Electronic Resource
English
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