To execute deceleration control high in efficiency while driving force to be transmitted to wheels is taken into consideration when the automatic brake is applied in connection with obstacles in the front in a vehicle equipped with an automatic transmission.
A distance judging part 35 determines whether or not your own vehicle has been approached to obstacles in the front in such a way as to pass through its safe distance, and an acceleration/deceleration judging part 37 determines whether or not the running condition of your own vehicle is accelerated/decelerated. As a result, when your own vehicle is approached to the obstacles in the front in such a way as to pass through the safe distance while being moved forward with its speed accelerated, a shift indication part 39 executes speed change control in such a way that driving force to be transmitted to wheels is lowered, and concurrently, a throttle indication part 40 executes throttle control in such a way that engine driving force is also lowered, and meanwhile, when your own vehicle is being decelerated, the shift indication part 39 executes shift control in such a way that the engine brake is made powerful. And the deceleration indication part 38 outputs a target deceleration to a brake control means, so that deceleration control is executed.
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