Research On Key Technology To Green Design

It is well known that Green Design is the key technology to sustainable development of manufacturing industry. However, its advantage has not been utilized fully because of lack of systematic theory, methodology and tools, which is the bottleneck of implementing and utilizing Green Design and Manufacturing technology.The dissertation researches on the Green Design theory, methodology and its key technology in detail, based on the product Life Cycle Assessment (LCA) technology and Design for Disassembly/Recycling (DFD/R) technology.The main efforts and contribution of this dissertation are as following:1) A framework of product system green design methodology is proposed based on product system life cycle concept. The position, utilization and relationship between Green Design and temporary design theory and methodology are discussed; then, the important meaning of Green Design to Product Life Cycle Management (PLM) is analyzed. 2) A green design integrated design platform concept and prototype is proposed aiming at the shortcoming of temporary researches. Its key technology, systematic infrastructure and utilization in design process are discussed in detail; Green Design oriented product system integrated model is built also.3) A Multi-tier Composite Directed Graph Disassembly/Recycling Analysis Model is proposed. Researches on the models of Design for Disassembly/ Recycling are also reviewed rather perfectly; based on Graph Theory, constraint and assembly topology concept, the model in the dissertation can be used simply and conveniently to analyze product disassembly/recycling problem and optimal product disassembly sequence and depth can be got easily in contrast to other methods.4) A product life cycle impact assessment system structure is proposed based on the AHP Methodology (Analytic Hierarchy Process). The assessment model can be built flexibly and customized according to the intent of designer and local environment. 5) As the application and validation of the models proposed above, a Green Design oriented design support platform tool is developed. The Green Design Oriented Life Cycle Assessment (GDO-LCA) system combined seamlessly modularized product disassembly/recycling analysis tool and product system environment impact assessment system.