6Ren Wei, Wang Jian, Zhang Hao, et al.The research of remote fault diagnosis system in manufacturing[A].Intelligent Control and Automation[C],Hefei,China,Jan.2000,712~714.
7Errath R A, Dominguez J J.Remote drive condition monitoring[A].Cement Industry Technical Conference[C],Roanoke,VA,USA,1999,31~48.