Method and apparatus for conducting a plausibility check on a position of an actuating element of a position encoder system with an electronically commutated electric machine

US9454138B2 · kind B2 · utility

Assignee

• Robert Bosch GmbH · DE

Inventors

• Alex Grossmann · Gernsbach, DE
• Reiner Schweinfurth · Eppingen, DE
• Udo Sieber · Bietigheim, DE
• Ralf Buehrle · Leonberg, DE

Key dates

• Filing date: May 8, 2013
• Grant date: Sep 27, 2016
• Expiry date: May 8, 2033

Classification

• Technology area (CPC H): Electricity
• CPC primary: H02P6/16
• WIPO field: Control
• WIPO sector: Instruments

Abstract

A method for operating a position encoder system includes performing a closed loop position control based on a detected first position indication of a position of an actuating element. The performing of the closed loop position includes generating a position correcting variable and allocating a space vector the position correcting variable to enable an adjustment drive to be controlled. The method further includes performing a check on the first position indication or correcting the first position indication with the allocated space vector. An adjustment drive is configured to adjust the actuating element. The actuating device includes a rotating electronically commuted motor. The motor has a rotor and an electronic rotor position of the rotor is configured to be allocated to multiple positions of the actuating element.