SENSORLESS MEASUREMENT OF POSITIONING TRAVEL ESPECIALLY ON AN ELECTROMOTIVELY OPERATED PARKING BRAKE

The invention relates to a method for establishing the position of an actuating unit which is operated by an electric motor, in which a motor speed is determined from a motor model, the speed is integrated over a period of time and the position of the actuating unit is determined by multiplying the...

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Bibliographische Detailangaben
Hauptverfasser:	KELLER, MICHAEL, LINDEN, CHRISTOPH
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION
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Beschreibung
Zusammenfassung:	The invention relates to a method for establishing the position of an actuating unit which is operated by an electric motor, in which a motor speed is determined from a motor model, the speed is integrated over a period of time and the position of the actuating unit is determined by multiplying the result of the integration by a proportionality factor. The motor model takes account of afterrunning of the electric motor at the instant of switch-off. The invention also relates to actuating units, brakes, pumps and transmissions for which the method can be used.