3Dowlatshahi S.Product design in a concurrent engineering environment [J].International Journal of Production Research,1992,30(8):1803-1818.
4Jiang Z,Fung R Y K,Zuo M J,et al.Automatic modelling of one-of-a-kind production systems by temporised object-oriented Petri nets with changeable structure(TOPNs-CS)[J].The International Journal of Advanced Manufacturing Technology,2003(21):45-65.