A carrier frequency setting unit sets a carrier frequency based on a torque command and a motor rotation number of a motor generator. A PWM signal producing unit produces phase modulated waves corresponding to respective phase voltage commands, and produces respective phase PWM signals corresponding to a relationship in magnitude between the respective phase modulated waves and a carrier having the carrier frequency. A PWM center control unit produces a PWM center correction value for variably controlling the PWM center when the carrier frequency is lower than a predetermined frequency, and provides the same to the PWM signal producing unit.
Control device for electric-powered vehicle, and electric-powered vehicle with control device as well as control method for electric-powered vehicle, and computer-readable recording medium bearing program for causing computer to execute control method
2015-12-29
Patent
Electronic Resource
English
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen / H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern |
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