Vehicular Deceleration Aiding Device

摘要

A deceleration aiding device capable of achieving deceleration control which reflects a driver's intention more accurately according to a driver's intention to decelerate a vehicle, and by which the acceleration of the vehicle is difficult to exceed a road surface friction coefficient is provided. The deceleration aiding device includes: a road information acquisition unit (51) for acquiring information of a curved road in front of a vehicle; a curve information calculation unit (52) for calculating a section length from the vehicle to an entrance position of the curved road based on the information of the curved road; a start timing determination unit (54) for determining a start timing for starting deceleration control of the vehicle according to a driving state of the vehicle; a target deceleration calculation unit (55) for calculating a target deceleration in the deceleration control; and a deceleration control unit (56) for performing deceleration control on the vehicle based on the target deceleration, wherein the target deceleration calculation unit (55) calculates the target deceleration based on the section length and a vehicle speed at the start timing such that a deceleration of the vehicle in the deceleration control and a lateral acceleration of the vehicle when traveling along the curved road are larger as the section length is shorter.