plmformanagingrecyclability-duta-uofm-資料下載頁(yè)
2025-02-19 10:01本頁(yè)面
【正文】 Preliminary results Valve carrying corrosive liquid Which parts should be Cr plated ? (limit 30mg per valve) Limits allocated by weight Proposed method Housing (inner surface) not plated plated Shaft plated not plated Valve disc not plated not plated Cover plated not plated Total Cr VI content (mg) Performance rating 66 70 Technical Challenges Find relative importance of ponent performances by HOQ analysis Define possible alternative specifications for each ponent For each ponent, PLM system collects required performance information for every alternative from the stakeholders PLM system generates constraint equations for all applicable regulations from a knowledge base of regulations Generate and solve constrained optimization problem ? Determination of reqd. information ? Query and retrieval system ? Estimation of functional properties and costs for alternatives ? Translation of properties to performance rating (that allows parison) ? Determination of applicable regulations ? Estimation of weights and substance contents ? Determination of constraints due to material inpatibility, etc. ? Query/retrieval system with formulation of constraint equations ? Deciding reasonable risk (probability) to assign to constraints ? Robust probabilistic optimisation Ongoing work Probabilistic programming to tackle uncertainty ponent properties can be specified as ranges with probability distribution designer can specify probability with which a constraint must be satisfied allow designer to manage “risk” of violating the constraints or requirements Design change ? change management Efficient evaluation of impact of change in ECM Efficient Change Evaluation in ECM Issues Comprehensive evaluation of effects of a proposed Engineering Change (EC) is time consuming needs input from various disciplines in the pany needs detailed production knowledge and experience Approach Dynamic creation of workflow for evaluation of change Taxonomy of changes to predict possible effects Prioritization of effects for evaluation based on past knowledge of similar ECs Planning EOL treatment Joint detection and characterisation for planning EOL treatment strategy EOL treatment activities Joint Detection Framework for planning EOL treatment strategy Joint Detection – snap fits Joint Detection – screw joints Summary EOL regulations are driven by public health and global environmental concerns … no turning back! PLM is the only viable framework for a prehensive EOL strategy for OEM and suppliers This is just the beginning ! Thank you! 演講完畢，謝謝觀看！
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