中文摘要：

HonyanDtliwasborninChinain1982．Here．ceivedhisB．S．degree（2007）inappliedmathemat．iCSfromHennaUniversity，andM．Sdegree（2009）fromthemajorofappliedmathematics，Northwest—ernPolytechnicalUniversity（NPU），China．HeiScurrentlyaPh．D．candidateoftheSchoolofMechatronics．NPU．In2011．hewenttOtheUni—versityofAIbertaasavisitcollaboratorfortwomonths．Hisresearchinterestsincludesystemre．liabilityandimportanceanalysis．E—mail：duihongyan@mail．nwpu．edu．cn Shubin Si was born in China in 1974. Currently he is a professor in the School of Mechatronics, Norlh- western Polytechnical University （NPU）, China. He received his B.S. degree in 1997 and received his M.S. degree in 2002 at NPU, majored in mechatron- ics engineering. He also received his Ph.D. degree in 2006 at NPU, majored in management science and engineering. In 2007, with the support of China Scholarship Council, he went to the University ofVassa, Finland as a visit scho[ar for one year. He has published over 60 academic papers and articles in journals and conferences in the past 5 years. He also headed and participated in 5 government supported foun- dations and more than 10 enterprise supported projects. His research top- ics include system reliability theory, importance measure theory, mainte- nance management systems, and decision support systems. Zhiqiang Cai was born in China in 1981. He is currently an associate professor in the School of Mechatronics, Northwestern Polytechnical University （NPU）, China. He is also a member of IEEE and IEEE RS. He received his B.S. degree in 2003 at NPU with the title of ＂Excellent Undergraduate of Shaanxi Province＂. He received his M.S. degree in 2006 at NPU with the award of ＂Excellent The- sis of NPU＂. In 2007, with the support of ChinaScholarship Council, he went to the Ecole Centrale Paris, France as a co-supervised Ph.D. student for one year. In 2010, he received his Ph.D. degree at NPU, majored in management science and engineering. His research topics includ