Device and method for controlling an electric motor,...

Details Device and method for controlling an electric motor,... Device and method for controlling an electric motor,...

2007-10-16

2007-10-16

Masih, Karen (Department: 2837)

Electricity: motive power systems

Synchronous motor systems

Hysteresis or reluctance motor systems

C139S254000, C139S375000, C139S136000

Reexamination Certificate

active

11509626

ABSTRACT:
In a device for controlling an electric motor, especially in motor vehicles, for setting a setting element, moved by the electric motor, as a function of the deviation of an actual setting from a nominal setting of the setting element, by means of a controller, which contains a microprocessor that carries out a hardware initialization routine at least in one step and a software initialization routine optionally in a second step, once the controller has been switched on, before the actual setting of the setting element can be determined in the controller, the microprocessor is constructed in such a manner that it short-circuits the electric motor independently of the actual setting of the setting element, directly after the hardware initialization routine, by generating a defined switching state of its outputs, associated with the control of the electric motor.

REFERENCES:
patent: 2005/0264254 (2005-12-01), Lequesne et al.
patent: 2006/0042593 (2006-03-01), Nakamoto et al.
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German Office Action dated Oct. 18, 2006 Including an English translation (six (6) pages.
International Search Report dated Jun. 8, 2005 including English Translation of relevant portion (Four (4) pages).

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