Research on Analog Simulation of Automobile ABS Based on Unigraphis Software

Abstract

Many traffic accidents are caused by automobile brake problems, human consciousness is difficult to accurately control the car's emergency braking in emergency situations, which requires a special automotive braking system ABS that assists the driver to prevent accidents. ABS system goes through the way of pumping to brake, it can prevent automobile from slipping phenomenon due to tire locked die. The automobile ABS system' working principle and its performance are studied, the first part elaborates the working principle and its work flow of ABS system; the second part establishes the EBD control mathematical model of ABS system; in the third part, the use of Unigraphis software carries out simulation for vehicle ABS, automobile brake and vehicle ABS integrated model are set up by Unigraphis software powerful modeling functions, using the calculation module calculates the change of temperature as well as braking force in process of braking, finally to obtain the system temperature of ABS system that is small in the process of braking, however the braking force is a change of curve, so as to prevent slipping phenomenon caused by the tire locked die, providing the theoretical basis for the design and research of ABS.