Authors: YW Bai ZN Chen HZ Bin J Hun
Publish Date: 2005/01/19
Volume: 27, Issue: 1-2, Pages: 96-105
Abstract
An integration strategy for assembly sequence planning and sequence scheme evaluation is proposed This strategy can be used to plan a reasonable assembly sequence to optimize a sequence scheme and to predict whether a collision will occur between the assembly tool and assembled components by considering factors like target components and assembly resourcesA hybrid method is presented for assembly sequence modeling that combines humancomputer interactive operations to manually build a hierarchical assembly sequence main model and a hybrid graph method to automatically generate subassembly sequence schemes of the main model An optimization algorithm based on timecost is introduced to handle a best candidate components selection This relieves the problem of limited capability found when handling large size assembly models with traditional methods The essential issues involved in system implementation are discussed as well these include a representation method for the assembly consequence model an optimization model of assembly sequence planning and an objectoriented system architecture model employed with multiagent technology for visually evaluating the assembling processThis system KM computeraided assembly process planning KMCAAPP has been developed on the basis of our previous work KMCAD3 KMCAAPP uses the presented approach KMCAAPP can be integrated with CAD model from KMCAD3D A case study shows that the presented approach can use large CAD assembly models and delivers a feasible and effective way to integrate the assembly sequence planning process with scheme evaluation by visually evaluating the assembling process This allows the identification of design errors in a timely manner and mitigates economic loss
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