Patent Number: 6,281,653

Title: Method of detecting after-running of electrical servomotors provided with means for incremental position detection

Abstract: The method for detecting after-running of electrical servomotors with incremental position detection, particularly for servomotors in motor vehicles, includes detecting position signals of position indicators and storing the detected states of the position signals or the states of the position indicators after switching off the motor in a nonvolatile memory. The evaluation electronics can be intermittently disconnected from the supply voltage. They are provided with a buffer that is large enough for position detection and storage after disconnection of the evaluation electronics from the supply voltage. The nonvolatile memory can be an EEPROM in the microcontroller of the evaluation electronics.

Inventors: Heib; Johannes (Buchlertal, DE), Kahles; Patric (Baden-Baden, DE)

Assignee: Robert Bosch GmbH

International Classification: G05B 19/19 (20060101); G05B 19/23 (20060101); G05B 019/29 ()

Expiration Date: 08/28/2018