ELECTRIC MOTOR CONTROL DEVICE AND VEHICLE

• Main Authors: OKAZAKI SHO, OGAMI YOSHINORI, NAKANE DAIKI, HONDA TAKUMU, OKOCHI TOSHINORI, TSUCHIDA YASUTAKA
• Format: Patent
• Language: English; Japanese
• Published: 04.11.2022
• Subjects: 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; CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES; ELECTRICITY; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL; GENERATION; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; PERFORMING OPERATIONS; TRANSPORTING; VEHICLES IN GENERAL

To provide a vehicle control device that can easily operate an electric motor in an efficient manner, and a vehicle including the control device.SOLUTION: A control device 60 includes a rotor temperature estimating unit 62a that estimates the temperature of a rotor 14 on the basis of stator temperature information obtained by a first temperature sensor 17 for identifying the temperature of a stator 12, refrigerant temperature information obtained by a second temperature sensor 25 for identifying the temperature of a refrigerant for use in cooling an electric motor 10, and number-of-revolution about the rotor 14 obtained by a resolver 18 for identifying the number of revolution of the rotor 14, and an electric motor control unit 62d that controls an output characteristic and/or a driving condition of the electric motor 10 on the basis of the temperature of the rotor 14 estimated by the rotor temperature estimating unit 62a.SELECTED DRAWING: Figure 1 【課題】電動機を効率的に動作させ易い車両の制御装置、及びそのような制御装置を備える車両を提供すること。【解決手段】制御装置６０が、固定子１２の温度を特定するための第１温度センサ１７からの固定子温度情報、電動機１０の冷却に用いる冷媒の温度を特定するための第２温度センサ２５からの冷媒温度情報、及び回転子１４の回転数を特定するためのレゾルバ１８からの回転子１４の回転数情報に基づいて回転子１４の温度を推定する回転子温度推定部６２ａと、回転子温度推定部６２ａが推定した回転子１４の温度に基づいて電動機１０の出力特性及び駆動条件のうちの少なくとも一方を制御する電動機制御部６２ｄを備える。【選択図】図１