Patent ID: 7853390

Claim:
An acceleration control system for setting a target speed and performing acceleration control of a vehicle based on the target speed and a current speed, the acceleration control system comprising: a surrounding body detection device for successively detecting relative positions of surrounding bodies present in a front outside periphery of the vehicle; means for calculating, based upon the following Equations 1 to 3, a target acceleration from the relative position of the surrounding body detected by the surrounding body detection device and a preset target acceleration sensed value ε 0 which is used as a sensed value ε of acceleration defined by the Equation 2, wherein the Equation 1 expresses a relation among τ s which represents, based on visual information, time until a surrounding body in front of the vehicle comes in contact with a driver, an angular velocity u of the surrounding body relative to the driver as a reference, and τ which represents, based on visual information, an elapse of time until the surrounding body passes by a side of the vehicle, wherein the Equation 2 expresses a relation between differentiation of 1/τ 2 and the sensed value ε of acceleration which numerically expresses a driver's acceleration feeling, and the Equation 3 expresses a relation among τ s , distance r from the vehicle to the surrounding body and a differentiated of the distance r; and means for controlling torque of a prime mover of the vehicle so as to attain the target acceleration determined by the calculating means, τ = τ s 1 + u 2 ⁢ τ s 2 ( Equation ⁢ ⁢ 1 ) ⅆ ⅆ t ⁢ 1 τ 2 = ɛ ( Equation ⁢ ⁢ 2 ) τ s = - r r . . ( Equation ⁢ ⁢ 3 )