Hybrid vehicle control device

摘要

A hybrid vehicle having a power-transferable combination of an engine and a motor-generator is controlled to prevent a vehicle vibration while preventing an over-revolution of the engine when the engine is started. In such control, while the engine is determined to be in a starting state, an instruction value correction is performed for correcting a per-unit-time change amount of an actuator instruction value, such as a target air intake amount and/or a target air load amount, according to a target output of the engine so that a steep increase of the engine revolution speed is prevented. With such a correction of the instruction value, an air intake amount of the engine and the engine revolution speed is gradually increased, thereby preventing the over-revolution of the engine and a steep increase of a load torque of the motor-generator, which prevents vehicle vibration when the engine is started.

主权项

1. A control device for a hybrid vehicle having a power-transferable combination of an engine and a motor-generator, the control device controlling the motor-generator to control an engine revolution speed of the engine to attain a target engine revolution speed, the control device comprising:
a starting state determiner determining a starting state of the engine, the starting state being a period between a starting of the engine and a stable revolution of the engine; an instruction value calculator calculating an instruction value of an actuator to realize a target air intake amount or a target air load amount, the instruction value being calculated based on a target output of the engine; and an instruction value corrector correcting a per-unit-time change amount of the instruction value according to the target output of the engine while the engine is determined to be in the starting state, which prevents a steep increase of the revolution speed of the engine.