1ZHANG X Q, GAO H. Determining an optimal maintenance period for infTastmcture systems[J]. Computer-Aided Civil and Ifrastructure Engineer- ing, 2011, 27(7): 543-554.
2DARKO L, RODRIGO P, ANDREW J. Dynamic optimization model for mining equipment repair by using the spare-parts inventory [J]. Journal of Mining Science, 2010, 46(4): 394-403.
3YANG Zhaojun, WANG Yinkai, CHEN Fei, et al. Prediction of reliabil- ity model for CNC machine tool based on exponential smoothing model[C] //3rd International Conference on Material and Manufacturing Technology, 2012: 495-499.