| 2 | RESEARCH OF MOVEMENT NAVIGATION BASED ON ASSEMBLY CONSTRAINT RECOGNITION显示文摘The requirements and features of virtual assembly movement navigator are analyzed to help operators flexibly manipulate virtual objects, precisely locate or assemble virtual parts in virtual environment. With the degree-of-freedom analysis, the assembly constraint hierarchical model is constructed and the system’s constraints are built dynamically. Thus, all objects in virtual environment can be located reasonally by the navigator. Moreover, the assembly constraint recognition in the process of assembly and movement correction is also discussed. | Zhang Shuyou Gao Zhan Tan Jianrong Liu Zhenyu State Key Laboratory of CAD&CG,Zhejiang University,Hangzhou 310027,China | 2002 | Chinese Journal of Mechanical Engineering2002，15，1： | 1 |
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