In order to obtain accurate tactile sense information in the automotive collision test of intelligent robots

a new type of tactile sensing suit array based on the piezoresistive characteristics of conductive rubber is developed.A static calibration test equipment is designed for the sensor array.The piezoresistive properties of different types of conductive rubber（N05

N10

N15）are discussed at room temperature（25℃）

and the best performance rubber（N10）is chosen as sensitive component of the sensor.A kind of calibration test program is proposed.Calibration results show that Gaussian regression curve can achieve optimal fitting for measured data

and the similarity between them is 99.56%

so it is selected to establish the calibration model for the sensor.The confirmatory test results show that the calibrated sensing suit array can recover force distribution map of contact bodies well

thus the feasibility of the calibration experiment plan is verified.