应用汽车零部件可靠性稳健优化设计的理论方法，对汽车典型弹簧系零部件，如扭杆弹簧、螺旋弹簧和钢板弹簧进行了可靠性稳健优化设计，给出了计算仿真分析结果，为工程实际的汽车零部件的可靠性稳健优化设计提供了理论依据。

Using the theoretical method of reliability-based robust optimization design (in part 1) , several springs in automobiles, such as torsion bar, coil spring and multi-leaf spring are computed and the emulation results are analyzed. According to the method presented in this paper, the reliability-based robust optimization designs for automobile components in practical engineering are obtained.