OBSTRUCTION ESTIMATING DEVICE FOR VEHICLE

PROBLEM TO BE SOLVED: To exactly estimate a kind of a colliding obstruction. SOLUTION: An estimating device 40 comprises a deformation speed detecting means 51 for detecting a deformation speed Vb of a bumper face 42, a deformation quantity operating means 52 for obtaining a deformation quantity Sb of the face 42 from Vb, a maximum value updating means 55 of a deformation speed for obtaining a maximum value Vm of Vb, first and second reference speed generating means 81, 82 for obtaining first and second reference speeds Vt1, Vt2 from Vm, first and second reference deformation quantity generating means 83, 34 for obtaining first and second reference deformation quantities St1, St2 from Vm, an estimating means 85 for estimating a specific obstruction in Vt1