US 11,870,379 B2
Control device for rotating electrical machine
Tarou Hirai, Kariya (JP); and Shigeru Kamio, Kariya (JP)
Assigned to DENSO CORPORATION, Kariya (JP)
Filed by DENSO CORPORATION, Kariya (JP)
Filed on Jul. 11, 2022, as Appl. No. 17/861,789.
Application 17/861,789 is a continuation of application No. PCT/JP2021/000242, filed on Jan. 6, 2021.
Claims priority of application No. 2020-003070 (JP), filed on Jan. 10, 2020; and application No. 2020-171857 (JP), filed on Oct. 12, 2020.
Prior Publication US 2022/0345065 A1, Oct. 27, 2022
Int. Cl. H02P 27/06 (2006.01); B60L 3/00 (2019.01); B60L 15/20 (2006.01); H02P 29/024 (2016.01)
CPC H02P 27/06 (2013.01) [B60L 3/0061 (2013.01); B60L 15/20 (2013.01); H02P 29/024 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A control device for a rotating electrical machine, the control device applied to a vehicle including the rotating electrical machine capable of transmitting power to a drive wheel and an inverter electrically connected to the rotating electrical machine, the control device comprising:
a target value calculation unit that calculates a target value of a controlled variable that is torque of the rotating electrical machine, drive force of the rotating electrical machine, or acceleration of the vehicle, based on a redundant signal and a non-redundant signal;
an inverter operation unit that operates the inverter to control the controlled variable to the target value;
a monitoring value calculation unit that calculates a target monitoring value of the controlled variable based on the redundant signal; and
a difference calculation unit that:
determines whether the vehicle is traveling forward or rearward;
determines whether the target value is more than or equal to a positive first determination value when determining that the vehicle is traveling forward;
calculates a difference between the target value and the target monitoring value when determining that the target value is more than or equal to the positive first determination value;
does not calculate the difference when determining that the target value is less than the positive first determination value;
determines whether the target value is less than or equal to a negative second determination value when determining that the vehicle is traveling rearward;
calculates the difference when determining that the target value is less than or equal to the negative second determination value; and
does not calculate the difference when determining that the target value is more than the negative second determination value.