Hybrid electric vehicle and motor control method for the same

A hybrid electric vehicle is capable of preventing over-temperature of an electric motor when the vehicle travels using only the output of the electric motor without driving an engine while passing through a specific zone using route information to a destination and a motor control method for the sa...

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Bibliographische Detailangaben
1. Verfasser:	Lee, Jea Mun
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 ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING,OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODSSPACES OF VEHICLES AUXILIARY DRIVES FOR VEHICLES CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION INSTRUMENTATION OR DASHBOARDS 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:	A hybrid electric vehicle is capable of preventing over-temperature of an electric motor when the vehicle travels using only the output of the electric motor without driving an engine while passing through a specific zone using route information to a destination and a motor control method for the same. The motor cooling control method includes, when determined that a specific zone related to discharge of exhaust gas is present on a traveling route, determining a target motor temperature to be reached when entering the specific zone, determining a cooling distance necessary to reach the target motor temperature, determining the time at which to start cooling control using the determined cooling distance, and restricting a motor-driving range from the time at which to start the cooling control until entering the specific zone.