... Maintenance ,” Mech. Syst. Signal Process. 0888-3270 , 13 ( 1 ), pp. 163 – 8 . 10.1006/mssp.1998.0176 Heng , A. , Zhang , S. , Tan , A. C. C. , and Mathew , J. , 2009 , “ Rotating Machinery Prognostics: State of the Art, Challenges and Opportunities ,” Mech. Syst. Signal Process...

... specifications in the later scaled-down realization. Miniaturization of machinery has become an ongoing effort by engineers. According to Webster’s Third New International Dictionary, 1986, the word “miniature” means a “copy” on a much-reduced scale. The physical realization of size reduction of a machine...