Torque steering angle sensor and method for correcting the same
US10073010B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 15, 2016 |
| Grant date | Sep 11, 2018 |
| Priority date | — |
| Expiry date | Dec 10, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60W2510/202
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A torque steering angle sensor includes a ring magnet that rotates together with the first rotary member, a second magnetic field detecting element arranged opposite an outer peripheral surface of the ring magnet, a slide magnet arranged opposite the second magnetic field detecting element in the axial direction, and a slide mechanism moving the slide magnet in the axial direction depending on a rotation of the first rotary member; and wherein the steering angle computing portion includes a slide magnet distance computing portion calculating a migration length from a reference position of the slide magnet; and a steering angle correcting portion correcting an offset of the magnetic field strength in the radial direction based on the migration length and configures so as to compute the steering angle of the steering wheel using a magnetic field strength in the radial direction corrected by the steering angle correcting portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.