4Barzel R, Barr A H. A modeling system based on dynamic constrains[A], In: ACM SIGGRAPH'88 Conference Proceddings [C]. 1988. 179-188.
5Jayaram S, Connacher H, Lyons K. Virtual Assembly Using Virtual-reality Techniques. Computer Aided Design, 1997, 8(29): 575～584.
6Jung B, Hoffhenke M, Wachsmuth I. Virtual Assembly with Construction Kits. Proceedings of 1997 ASME Design Engineering Technical Conference, Sacramento, 1997.
7Song J, Shi F Z. A Survey of Virtual Assembly System. Proceedings of SPIE, 2003,5444: 337～344.
8Bullinger H J, Richter M. Virtual Assembly Planning, Human Factors and Ergonomics. Manufacturing,2000, 10(3): 331～341.
9Blach R, Landauer J. A highly Flexible Virtual Reality System. Future Generation Computer System,1998, 14:167～178.
10IAO. Fraunhofer IAO. http://www. iao. fraunhofer. de, 2004- 10- 25.
8Zorriassatine F, Wykes C, Parkin R, et al. A Survey of Virtual Prototyping Techniques for Mechanical Product Development [ J ]. Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture,2003,217:513 - 530.
9Jayaram S, Jayaram U, Wang Y, et al. VADE: A Virtual Assem- bly Design Environment [ J ]. IEEE Computer Graphics and Appli- cations, 1999,19 (6) :44 - 50.
10Christiand Yoon Jungwon. Assembly Simulations in Virtual Envi- ronments with Optimized Haptic Path and Sequence [ J]. Robotics and Computer-Integrated Manufacturing,2011,27 (2) : 306 - 317.
