According to a temperature of an engine, a state-of-charge of a battery, a requirement of instruments and a driver's requirement, an engine control is switched between a first engine control and a second engine control. In the first engine control, an electric power is firstly used for a vehicle-dri
According to a temperature of an engine, a state-of-charge of a battery, a requirement of instruments and a driver's requirement, an engine control is switched between a first engine control and a second engine control. In the first engine control, an electric power is firstly used for a vehicle-driving prior to other functions. In the second engine control, the electric power is firstly used for functions other than the vehicle-driving.
대표청구항▼
1. A controller for a hybrid vehicle having an internal combustion engine, an electric motor, an alternator driven by the internal combustion engine, and a battery, the controller comprising: a control unit which divides an engine output into a vehicle-driving power necessary for driving the hybrid
1. A controller for a hybrid vehicle having an internal combustion engine, an electric motor, an alternator driven by the internal combustion engine, and a battery, the controller comprising: a control unit which divides an engine output into a vehicle-driving power necessary for driving the hybrid vehicle and a requirement-power other than the vehicle-driving power, and changes a priority of an energy supply of the engine output between the vehicle-driving power and the requirement-power according to a temperature of the internal combustion engine, a state of charge of the battery, a requirement from an instrument in the hybrid vehicle, and/or a requirement from a driver of the hybrid vehicle. 2. A controller according to claim 1, wherein when the requirement-power has the priority of the energy supply, the control unit establishes a range where a vehicle-driving power can be established according to an accelerator position, a vehicle speed, and/or an acceleration of the hybrid vehicle. 3. A controller according to claim 2, wherein when the requirement power has the priority of the energy supply, the control unit establishes the range in such a manner as to be wider during a cruise control of the hybrid vehicle. 4. A controller according to claim 1, wherein when the requirement-power has the priority of the energy supply, the control unit establishes an engine-high-efficiency range in which an maximum value of an efficiency of a system exists, the system including the internal combustion engine, the electric motor, the alternator and the battery, and the energy supply is performed so that an engine output power is brought into the engine-high-efficiency range. 5. A controller according to claim 1, wherein: the requirement-power is used for air-conditioning of the hybrid vehicle. 6. A controller according to claim 1, wherein: the control unit changes the priority of the energy supply of the engine output between the vehicle-driving power and the requirement-power according to the requirement from the instrument in the hybrid vehicle; andthe instrument is an air conditioning system of the hybrid vehicle. 7. A controller according to claim 1, wherein: the control unit changes the priority of the energy supply of the engine output between the vehicle-driving power and the requirement-power according to the requirement from the driver of the hybrid vehicle; andthe requirement from the driver of the hybrid vehicle is an accelerator position.
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이 특허에 인용된 특허 (4)
Nakagawa Tadashi,JPX ; Matsuno Takayoshi,JPX, Air conditioning controller for a hybrid car.
Tabata Atsushi,JPX ; Taga Yutaka,JPX ; Ibaraki Ryuji,JPX ; Mikami Tsuyoshi,JPX, Electric motor vehicle having means for fully discharging part of energy storage device when energy amount in the other part is larger than a threshold.
Tabata Atsushi,JPX ; Taga Yutaka,JPX ; Ibaraki Ryuji,JPX ; Mikami Tsuyoshi,JPX ; Hata Hiroshi,JPX, Hybrid vehicle drive system having a drive mode using both engine and electric motor.
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