“…Since the advent of computers, the rapid progress of computer applications in manufacturing has been focused on achieving autonomous control (Barber, 1999;Huang and Nof, 2000), distributed control (Yeung and Moore, 1995;Hiroki et al, 2000), intelligent manufacturing (Sobolewski, 1996), conceptual and system integration of the manufacturing system (Siemiatkowski and Przybylski, 1997;Harish and Peihua, 1997;Gong and Hsieh, 1997), fast response to the external environment and adaptability to changes in the manufacturing system.…”