1. Liu W. Mechanical reliability design. 2nd ed [M]. Beijing: Tshinghua Press; 1996. pp. 370–5 (In Chinese).
2. Zhang Y, Liu H, Wang D. The spring manual [M]. Beijing: Mechanical Industry Press; 1997. pp. 237–46 (In Chinese).
3. Jia Y, Zhang W. Multi-objective robust optimal design for spiral springs [J]. J Univ Sci Technol Beijing. 2009;31(6):788–91 (In Chinese).
4. Wei Z. Optimization design based on reliability for variable load cylinder helix compression spring [J]. Mach Des Manuf. 2006;25(5):28–30 (In Chinese).
5. Zhang Y, He X, Liu Q, Wen B. Reliability-based robust optimization design for automobile components part 1: theory [J]. Eng Sci. 2004;6(3):65–79 (In Chinese).