Vehicle, and control method and control apparatus for vehicle
AssigneeToyota Jidosha Kabushiki Kaisha
InventorKoichiro Muta
Life of this patent
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Abstract
A hybrid vehicle includes an engine, a second MG provided such that torque is transmitted between the second MG and a wheel, a brake system that applies braking force to the vehicle via friction force, and a control unit that controls the engine, the electric motor and the braking device. The control unit executes control for decelerating the vehicle through regenerative braking by the electric motor and braking by the braking device, executes control for either starting or stopping the engine, and due to execution of one control, restricts execution of the other control.
Claims7
A vehicle, comprising:
- a power split device constituted by a planetary gear including a sun gear, a pinion gear, a carrier, and a ring gear;
- an engine coupled to said carrier;
- an electric motor coupled to said ring gear and provided such that torque is transmitted between said electric motor and a wheel;
- a braking device that applies braking force to the vehicle via friction force;
- and
- a control unit that controls said engine, said electric motor and said braking device,
- said control unit
- executing first control for decelerating the vehicle through regenerative braking by said electric motor and braking by said braking device,
- executing second control for either starting or stopping said engine, and
- prohibiting execution of said first control during execution of said second control.
A control method for a vehicle including a power split device constituted by a planetary gear including a sun gear, a pinion gear, a carrier, and a ring gear, an engine coupled to said carrier, an electric motor coupled to said ring gear and provided such that driving power is transmitted between said electric motor and a wheel, and a braking device that applies braking force to the vehicle via friction force, the control method comprising the steps of:
- executing first control for decelerating the vehicle through regenerative braking by said electric motor and braking by said braking device;
- executing second control for either starting or stopping said engine;
- and
- prohibiting execution of said first control during execution of said second control.
A control apparatus for a vehicle including a power split device constituted by a planetary gear including a sun gear, a pinion gear, a carrier, and a ring gear, an engine coupled to said carrier, an electric motor coupled to said ring gear and provided such that driving power is transmitted between said electric motor and a wheel, and a braking device that applies braking force to the vehicle via friction force, the control apparatus comprising:
- means for executing first control for decelerating the vehicle through regenerative braking by said electric motor and braking by said braking device;
- means for executing second control for either starting or stopping said engine;
- and
- means for prohibiting execution of said first control during execution of said second control.
Dependencies are inferred from the claim text.