Flux estimation for fault tolerant control of pmsm machines for eps
AssigneeSteering Solutions IP Holding Corporation
InventorsPrerit Pramod, Rakesh Mitra
Life of this patent
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Abstract
A system for estimating flux linkage in an electric motor includes a flux estimation module that generates estimated flux linkages based on a back electromagnetic force and estimated velocity of the electric motor, the flux linkages having an alpha flux linkage component and a beta flux linkage component, and a velocity estimation module that generates an estimated motor velocity based on the back electromagnetic force and the estimated flux linkages.
Claims20
A system for estimating flux linkage in an electric motor, the system comprising:
- a flux estimation module that generates estimated flux linkages based on a back electromagnetic force and estimated velocity of the electric motor, the flux linkages having an alpha flux linkage component and a beta flux linkage component;
- and
- a velocity estimation module that generates an estimated motor velocity based on the back electromagnetic force and the estimated flux linkages.
A method for estimating flux linkage in an electric motor, the method comprising:
- generating estimated flux linkages based on a back electromagnetic force and estimated velocity of the electric motor, the flux linkages having an alpha flux linkage component and a beta flux linkage component;
- and
- generating an estimated motor velocity based on the back electromagnetic force and the estimated flux linkages.
Dependencies are inferred from the claim text.