Automotive lateral safety comprehensive forewarning method and device

The invention belongs to the technical field of automobile active safety and in particular relates to an automotive lateral safety comprehensive forewarning method and an automotive lateral safety comprehensive forewarning device. The invention aims to provide the method and the device which have low cost and can forewarn a driver of vehicle sideslip and rollover accidents in advance. The method comprises the following steps of: 1, acquiring vehicle and road parameters; and 2, performing automotive lateral safety comprehensive forewarning. The device comprises an on-vehicle sensor, a forewarning decision making unit and a warning and display device. Based on an on-vehicle limited number and kind of sensor information and by acquiring the vehicle and road parameters and performing the automotive lateral safety comprehensive forewarning, the method realizes the real-time forewarning of automobile sideslip or rollover accidents, and has great significance for reducing traffic accidents.