DRIVE CONTROLLER FOR VEHICLE

PROBLEM TO BE SOLVED: To enable to use a motor of small rotational resistance by preventing free-running of the motor by an idling torque, even when a clutch which the idling torque generates, is interposed between the motor and wheels. SOLUTION: If the free-running of the electric motor 3 by the id...

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Bibliographische Detailangaben
1. Verfasser:	TOKUNO HIDEMICHI
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES AUXILIARY DRIVES FOR VEHICLES CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL INSTRUMENTATION OR DASHBOARDS FOR VEHICLES MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES PERFORMING OPERATIONS ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To enable to use a motor of small rotational resistance by preventing free-running of the motor by an idling torque, even when a clutch which the idling torque generates, is interposed between the motor and wheels. SOLUTION: If the free-running of the electric motor 3 by the idling torque is detected, that is, if a 4WD switch 14 is OFF, the clutch 9 becomes non-engaged state (determination in step S1 is "Yes") and if a motor rotating acceleration (a) becomes larger than predetermined values a1 (determination in step S3 is "Yes"), a short circuit relay 13 is turned ON, the armature of the electric motor 3 is short circuited, and the field current and current flowing direction of the electric motor 3 are controlled. Thus, the torque of the electric motor 3 is controlled to the value of a direction reverse to the free-running, and a brake torque is generated (steps S4-S8). COPYRIGHT: (C)2006,JPO&NCIPI