Vehicle control apparatus

摘要

In a vehicle control apparatus, an engine torque calculating unit calculates a developing engine torque Te, and a torque increase/decrease amount calculating unit calculates a torque increase or decrease amount Tmax of an engine which can be increased or decreased. A mode coefficient setting unit sets a mode coefficient k corresponding to a driving mode, and an allowable inertia calculating unit multiplies the torque increase or decrease amount Tmax by the mode coefficient k to calculate an allowable inertia torque Timax. A shift speed calculating unit calculates a shift speed V1 of a continuously variable transmission at which the allowable inertia torque Timax is generated, and an upper-limit shift speed setting unit sets an upper-limit shift speed V2 based on the shift speed V1. A shift control unit performs shift control of the continuously variable transmission at a shift speed not exceeding the upper-limit shift speed V2.

主权项

1. A vehicle control apparatus comprising:
a power unit having an engine and a continuously variable transmission connected to the engine; a power unit controller for switching power characteristics of the power unit in accordance with a driving mode including a fuel-efficient mode and a high-power mode; an engine controller for, when the continuously variable transmission is shifted, increasing or decreasing an engine torque in a direction to counteract an inertia torque to be generated on an input side of the continuously variable transmission and allowing the engine to absorb the inertia torque; an inertia torque calculator for calculating an upper limit of the inertia torque to be absorbed by the engine on the basis of an operational state of the engine and the driving mode, the upper limit of the inertia torque in the high-power mode being set be a greater value than that in the fuel-efficient mode when the operational states of the engine are the same; an upper-limit shift speed setting unit for calculating a shift speed at which the inertia torque of the upper limit is generated and setting an upper-limit shift speed on the basis of the calculated shift speed; and a shift controller for shifting the continuously variable transmission at a shift speed not exceeding the upper-limit shift speed.