Method for providing fail-safe operation for electro-mechanical steering system of motor car, involves actuating power semiconductor to energize windings in residual phase curve, so that braking torque generates support moment

The method involves detecting whether a power semiconductor (T1-T6) e.g. MOSFET transistors and half bridge circuit, is provided with low impedance defect. A portion of a phase curve in which braking torque due to the low impedance defect is determined. The power semiconductor is actuated in a manne...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	BALLER, MARIUS, BUSSE, CARSTEN, JABLONSKI, THORSTEN, SCHOETTLER, FRANK
Format:	Patent
Sprache:	eng ; 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 LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS MOTOR VEHICLES PERFORMING OPERATIONS TRAILERS TRANSPORTING
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