US 12,068,706 B2
Control device for electric drive system
Tomohisa Sano, Kariya (JP)
Assigned to DENSO CORPORATION, Kariya (JP)
Filed by DENSO CORPORATION, Kariya (JP)
Filed on Aug. 9, 2022, as Appl. No. 17/883,865.
Application 17/883,865 is a continuation of application No. PCT/JP2021/002050, filed on Jan. 21, 2021.
Claims priority of application No. 2020-023227 (JP), filed on Feb. 14, 2020.
Prior Publication US 2022/0385224 A1, Dec. 1, 2022
Int. Cl. H02P 27/08 (2006.01); H02K 9/10 (2006.01); H02K 11/25 (2016.01); H02K 11/33 (2016.01); H02P 6/08 (2016.01)
CPC H02P 27/08 (2013.01) [H02K 9/10 (2013.01); H02K 11/25 (2016.01); H02K 11/33 (2016.01); H02P 6/08 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A control device that controls an electric drive system, which has a motor that rotates a rotor blade and an inverter circuit that has a switching element and controls the motor and which is installed in a flying body, the control device comprising:
an abnormality occurrence detection unit that detects occurrence of a predetermined abnormality accompanied with an abnormality of temperature of the switching element; and
a switching element control unit that controls, when the occurrence of the predetermined abnormality is detected, the switching element so as to reduce loss in the switching element.