为了提高汽车运输效率、降低运输成本和节约能源,人们对汽车挂车(半挂车)的运输方式普遍重视起来了,并取得了很大的发展。汽车列车制动的可靠性是进一步保证安全行驶和提高行驶速度的必要条件。对于汽车列车来说,折叠现象和挂车摆动(甩尾), In order to improve the efficiency of motor transport, reduce transportation costs and save energy, people pay more attention to the transport modes of automobile trailer (semi-trailer) and have made great progress. The reliability of automobile train braking is a necessary condition for further ensuring safe driving and increasing driving speed. For car trains, the phenomenon of folding and trailer swing (drift),