Control apparatus for hybrid vehicle
First Claim
1. A control apparatus for a hybrid vehicle which comprises an internal-combustion engine and a motor as a power source, and a power storage unit which transfers electric energy with said motor, and at least one of said internal-combustion engine and said motor is connected to driving wheels of the vehicle through a transmission so as to transmit a driving force to said driving wheels, wherein said control apparatus comprises:
- a motor chargeable-dischargeable torque calculating device which calculates a motor chargeable-dischargeable torque which is the motor torque capable of being output from said motor corresponding to the chargeable-dischargeable power in said power storage unit, according to the energy state in high voltage electrical equipment constituting said power storage unit and accessories;
a fuel supply canceling device which cancels the fuel supply to said internal-combustion engine in the case where a target torque with respect to a crank end torque which is the torque at the shaft end of the crankshaft, of the power plant torque output from the power plant comprising said internal-combustion engine and said motor, is less than a value obtained by adding said motor chargeable-dischargeable torque and a minimum engine torque capable of being output from said internal-combustion engine; and
a motor required torque setting device which sets a motor required torque which is a required value with respect to said motor torque according to said target torque when the fuel supply to said internal-combustion engine is cancelled by said fuel supply cancellation.
1 Assignment
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Accused Products
Abstract
An FI/AT/MGECU in a control unit calculates an EV travel capable battery terminal discharge power which is the dischargeable power from a battery during EV travel which is travel under the driving force from the motor, according to a state of charge of the battery and a vehicle travelling speed. Based on the calculated EV travel capable battery terminal discharge power and a predetermined limit value, an energy management charge-discharge required battery terminal power is calculated. Then an energy management charge-discharge required torque corresponding to the energy management charge-discharge required battery terminal power, that is the motor torque capable of being output, is calculated based on; a predetermined PDU-MOT overall efficiency efima which is the conversion efficiency of the electric power and the motive power between the power drive unit and the motor, a rotation frequency of the motor, and a predetermined torque limit value for protecting the motor.
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Citations
2 Claims
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1. A control apparatus for a hybrid vehicle which comprises an internal-combustion engine and a motor as a power source, and a power storage unit which transfers electric energy with said motor, and at least one of said internal-combustion engine and said motor is connected to driving wheels of the vehicle through a transmission so as to transmit a driving force to said driving wheels, wherein said control apparatus comprises:
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a motor chargeable-dischargeable torque calculating device which calculates a motor chargeable-dischargeable torque which is the motor torque capable of being output from said motor corresponding to the chargeable-dischargeable power in said power storage unit, according to the energy state in high voltage electrical equipment constituting said power storage unit and accessories;
a fuel supply canceling device which cancels the fuel supply to said internal-combustion engine in the case where a target torque with respect to a crank end torque which is the torque at the shaft end of the crankshaft, of the power plant torque output from the power plant comprising said internal-combustion engine and said motor, is less than a value obtained by adding said motor chargeable-dischargeable torque and a minimum engine torque capable of being output from said internal-combustion engine; and
a motor required torque setting device which sets a motor required torque which is a required value with respect to said motor torque according to said target torque when the fuel supply to said internal-combustion engine is cancelled by said fuel supply cancellation. - View Dependent Claims (2)
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Specification