ENGINE START CONTROL DEVICE FOR HYBRID VEHICLE
First Claim
1. An engine start control device of a hybrid vehicle that controls driving of the vehicle using outputs of an engine and a plurality of motor generators, the engine start control device comprising:
- a start-time target engine rotation speed calculating means that calculates a target engine rotation speed at the time of starting the engine;
a start-time target engine torque calculating means that calculates torque required for cranking the engine;
a target engine power calculating means that calculates target engine power based on the target engine rotation speed calculated by the start-time target engine rotation speed calculating means and the target engine torque calculated by the start-time target engine torque calculating means;
an accelerator operation amount detecting means that detects an amount of an operation of an accelerator of the vehicle;
a vehicle speed detecting means that detects a vehicle speed;
a target driving power calculating means that calculates target driving power based on the amount of the operation of the accelerator detected by the accelerator operation amount detecting means and the vehicle speed detected by the vehicle speed detecting means;
a target electric power calculating means that sets a difference between the target driving power calculated by the target driving power calculating means and the target engine power calculated by the target engine power calculating means as target electric power; and
a motor torque instruction value calculating means that calculates instruction torque values of a plurality of motor generators using a torque balance equation including the target engine torque and an electric power balance equation including the target electric power.
1 Assignment
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Accused Products
Abstract
An object of the present invention is to start an engine while outputting a driving force requested from a driver. According to the present invention, there is provided an engine start control device of a hybrid vehicle including: a start-time target engine rotation speed calculating means; a start-time target engine torque calculating means; a target engine power calculating means that calculates target engine power based on the target engine rotation speed and the target engine torque; an accelerator operation amount detecting means; a vehicle speed detecting means; a target driving power calculating means that calculates target driving power based on the amount of the operation of the accelerator and the vehicle speed; a target electric power calculating means that sets a difference between the target driving power and the target engine power as target electric power; and a motor torque instruction value calculating means that calculates instruction torque values of a plurality of motor generators using a torque balance equation including the target engine torque and an electric power balance equation including the target electric power.
38 Citations
4 Claims
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1. An engine start control device of a hybrid vehicle that controls driving of the vehicle using outputs of an engine and a plurality of motor generators, the engine start control device comprising:
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a start-time target engine rotation speed calculating means that calculates a target engine rotation speed at the time of starting the engine; a start-time target engine torque calculating means that calculates torque required for cranking the engine; a target engine power calculating means that calculates target engine power based on the target engine rotation speed calculated by the start-time target engine rotation speed calculating means and the target engine torque calculated by the start-time target engine torque calculating means; an accelerator operation amount detecting means that detects an amount of an operation of an accelerator of the vehicle; a vehicle speed detecting means that detects a vehicle speed; a target driving power calculating means that calculates target driving power based on the amount of the operation of the accelerator detected by the accelerator operation amount detecting means and the vehicle speed detected by the vehicle speed detecting means; a target electric power calculating means that sets a difference between the target driving power calculated by the target driving power calculating means and the target engine power calculated by the target engine power calculating means as target electric power; and a motor torque instruction value calculating means that calculates instruction torque values of a plurality of motor generators using a torque balance equation including the target engine torque and an electric power balance equation including the target electric power. - View Dependent Claims (2, 3, 4)
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Specification