Invention Grant
- Patent Title: Method for ascertaining a wheel circumference of a driven wheel, control method for a drive motor, control unit, and vehicle
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Application No.: US15999195Application Date: 2018-08-16
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Publication No.: US10689066B2Publication Date: 2020-06-23
- Inventor: Juergen Stegmaier , Rinaldo Greiner
- Applicant: Robert Bosch GmbH
- Applicant Address: DE Stuttgart
- Assignee: Robert Bosch GmbH
- Current Assignee: Robert Bosch GmbH
- Current Assignee Address: DE Stuttgart
- Agency: Norton Rose Fulbright US LLP
- Agent Gerard Messina
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@244ef278
- Main IPC: B62M6/50
- IPC: B62M6/50 ; B62M6/55 ; B62M6/40 ; B60W10/08 ; B60W40/12

Abstract:
A method for ascertaining a wheel circumference of a driven wheel of a vehicle includes measuring a rotational speed of the driven wheel during a predefined time span, measuring an acceleration of the vehicle in the direction of the longitudinal axis of the vehicle during a predefined time span, determining a distance traveled by the vehicle based on the measured acceleration, and determining the wheel circumference of the driven wheel based on the measured rotational speed and the ascertained distance traveled.
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