Human-computer collaborative approach to subassembly planning of complex product

It is necessary to divide recursively big assembly into smaller subassemblies during assembly planning for complex product. There are some disadvantages in current dividing methods using automatic subassembly detection, such as low efficiency and poor producibility. After analyzing relationship between hierarchical structure tree and multi-level subassemblies, a new strategy of dividing subassembly based on reorganizing structure tree is firstly proposed in this paper. To improve the efficiency and practicability of subassembly planning, human-computer collaborative planning approach is further presented, which takes into account different characteristics of internal and external constraints existing in manufacturable subassembly. Validity verifying algorithms of reorganizing structure tree and performance evaluating methods for subassembly planning scheme are also given. To show the effectiveness of the above methods, case study is finally given for subassembly planning using human-computer collaborative approach.