Front and rear wheel drive vehicle and control device for controlling same

摘要

A front and rear wheel drive vehicle (1) having front and rear wheel pairs one of which is driven with an engine (3) and the other one of which is driven with an electric motor (5), and a control device (6) for the same are disclosed as including a target drive-power setting means (62) which settles a target drive-power responsive to operating conditions of the vehicle, a motor- assist-mode drive-power distribution-ratio setting unit (distribution setting means) 63 which settles a drive-power distribution-ratio between an engine drive-power and a motor drive-power according to the degree of contribution to fuel consumption obtained from a first equation on the basis of the target drive-power and a vehicle speed, and an electric-power-generation running-mode drive-power distribution-ratio setting unit (charging-mode distribution-ratio settingmeans) 61 which settlesa charging-mode description-ratio, between the engine drive-power and the motor drive-power, responsive to the degree of contribution to fuel consumption during a charging-mode that is obtained in a second equation on the basis of the target drive-power and the vehicle speed, thereby controlling the engine drive-power and the motor drive-power responsive to the drive-power distribution- ratio or the charging-mode discrimination-ratio.