Invention Grant
- Patent Title: Method for determining an angular position of a rotating component, in particular of an electric motor for a clutch actuation system of a vehicle
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Application No.: US16614049Application Date: 2018-05-08
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Publication No.: US11984837B2Publication Date: 2024-05-14
- Inventor: Jie Zhou , Wai-Wai Buchet , Paul Walden
- Applicant: SCHAEFFLER TECHNOLOGIES AG & CO. KG
- Applicant Address: DE Herzogenaurach
- Assignee: SCHAEFFLER TECHNOLOGIES AG & CO. KG
- Current Assignee: SCHAEFFLER TECHNOLOGIES AG & CO. KG
- Current Assignee Address: DE Herzogenaurach
- Priority: DE 2017111895.0 2017.05.31
- International Application: PCT/DE2018/100432 2018.05.08
- International Announcement: WO2018/219388A 2018.12.16
- Date entered country: 2019-11-15
- Main IPC: H02P6/16
- IPC: H02P6/16 ; F16D28/00 ; G01B7/30 ; G01D5/14 ; G01D5/244 ; H02K7/06 ; H02K29/08

Abstract:
A method for determining an angular position of a rotating component is disclosed. A sensor system is positioned at a radial distance from an axis of rotation of the rotating component. A magnetic ring is arranged fixedly and concentrically on the rotating component, generating a magnetic field that changes with respect to the sensor system. The sensor system detects the magnetic field in which a signal is captured and evaluated with respect to the angular position. Errors in the measurement of the angular position can be corrected. The signal captured by the sensor system is evaluated with respect to the amplitude information of the magnetic field. A correction parameter is determined from the amplitude information, and an angle error is of the angular position is determined based on the correction parameter. The angle error is used to correct the angular position.
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