SYSTEM FOR WARNING CRASH OF VEHICLE BY ACCURATELY CALCULATING RELATIVE SPEED AND RELATIVE DISTANCE FROM VEHICLE AHEAD

摘要

PURPOSE: A crash warning system of a vehicle is provided to prevent the collision in advance by accurately detecting and correcting the relative distance from the preceding vehicle, the relative speed and forward direction of the vehicle on the curved road, the uphill or the downhill. CONSTITUTION: A crash warning system of a vehicle is composed of a radar sensor unit(50) calculating the relative distance from the preceding vehicle and the relative speed by transmitting the signal to the preceding vehicle during traveling and receiving the signal from the preceding vehicle, a gyro sensor unit(60) detecting the forward direction of the vehicle with the radar sensor unit, a microcomputer(70) correcting the relative speed and the relative distance from the radar sensor unit according to the forward direction of the gyro senor unit, and a warning unit(80) warning the collision of the vehicle to the driver in case of the distance from the preceding vehicle to be less than the predetermined value.