VEHICULAR STEERING GEAR

PROBLEM TO BE SOLVED: To provide a vehicular steering gear which is reduced in cost by reducing a thermal design burden. SOLUTION: A reaction force motor 19 for generating a reaction force torque (operating reaction force) is joined to a rotary shaft 10 joined to a steering wheel 1. The reaction for...

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Bibliographische Detailangaben
Hauptverfasser:	YOSHII YASUYUKI, JINBO YUKIFUMI
Format:	Patent
Sprache:	eng
Schlagworte:	LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS MOTOR VEHICLES PERFORMING OPERATIONS TRAILERS TRANSPORTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a vehicular steering gear which is reduced in cost by reducing a thermal design burden. SOLUTION: A reaction force motor 19 for generating a reaction force torque (operating reaction force) is joined to a rotary shaft 10 joined to a steering wheel 1. The reaction force motor 19 is driven by an ECU 25. An operation angle δh of the steering wheel 1 is detected by an angle sensor 11. The ECU 25 is provided with a drive circuit 23 for the reaction force motor 19. The operation angle range of the steering wheel 1 is restricted by generating a reaction force at an operation-disabling reaction force level from the reaction torque motor 19. The limit value of the operation angle range is set so as to correspond to an electric angle defined except for the peak of square value of each phase motor current. COPYRIGHT: (C)2010,JPO&INPIT