Fuzzy modelling of consensus during design conflict resolution (original) (raw)
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International Journal of Production Research, 2006
Conflict management is an unavoidable stage of the collaborative design process. We assume that classifying conflict causes can help conflict prevention as well as detection and resolution strategies. Our approach proposes a crossed classification of conflict causes and the correspondent mitigation strategies and implements this classification in order to enable conflict detection in the earlier phases of the design process. Emphasis is put on capture and use of design rationale and knowledge to help conflict mitigation. Based on this approach, a conflict mitigation module integrated in an advanced architecture for concurrent design and manufacturing is presented. A case study on the design of an electric connector illustrates the use of this module.
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Declarative Modelling offers the designers the ability to express design ideas and requirements in an abstract way. Collaborative Design allows a group of designers to co-operate in order to produce a unique object incorporating the work and adaptations of all members. In the case of Collaborative Declarative Modelling, the final outcome of this co-operation is a unique declarative description, used to subsequently generate alternative geometric interpretations of the described object. The members of the design group may find different subsets of these geometric solutions as best representatives of the declarative description; hence the need to extract a set of solutions taking into account all members' opinions arises. In the current work, we describe the configuration of a module for the integration of the preferences of all members of the design group in order to isolate a unique subset of solutions expressing the preference consensus among these members. The methodology is built upon a Collaborative Declarative Design System and takes advantage of an existing Intelligent User Profile Module to extract and apply each designer's personal preferences. The method for preferences integration proposed herein takes into account the independent dimensions of group policy and member importance. It allows the adjustment of the consensus mechanism, thus offering alternative configurations to the design group coordinator.
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International Journal of Product Development, 2010
The increasing competition in and complexity of product design require the collaboration of experts from different skills and from many disciplines who often work in distributed environments and do not use the same description for the same object. Every expert has his/her own formalisms and tools, so the integration and collaboration of expert tools have become a challenge to avoid design conflict along the product life cycle. The synchronisation of heterogeneous representations of products will be a major step to integrate expert activities. Current collaborative design environments do not support design collaboration effectively in terms of information and constraints capturing, exchange and integration. This paper proposes: • a new constraint-based model to maintain complex relationships in multidisciplinary collaborative design • a metarule concept that controls the constraint network in the design process, leading to a new notification mechanism for presenting conflict to all corresponding actors • techniques that apply delta calculation and constraint verification during the synchronisation of the two models.
Journal of Intelligent Manufacturing, 2010
Product development became an increasingly collaborative and distributed activity. Collaborative design process gathers experts from different backgrounds and areas for a common objective about product development. An effective exchange support is expected to share and integrate design knowledge avoiding conflicts between designers. The management of heterogeneous product representation is a major step to integrate expert activities. To successfully manage this process, this paper proposes: (1) A research experimental platform for cooperative design in product development processes. (2) A new constraint based model to maintain complex relationships in multi-disciplinary cooperative design.
A Method for Interactive Decision-Making in Collaborative, Distributed Engineering Design
A decision support method is proposed for integrating distributed, collaborative design activities via mathematical coordination of the individual decisions of designers and other agents involved in the product realization process. This approach involves establishing a domain-independent decision model, expanding the scope of local decisions, and implementing a mathematical coordination mechanism based on game theory and approximate models of the information and strategies of designers. Using this approach, integration of computational models of design, manufacturing, and other portions of the product realization process into a single, large optimization problem is avoided, and the knowledge and expertise of each designer are fully utilized while keeping information transfer and computational requirements at a tractable level.
Towards a knowledge repository for collaborative design process: focus on conflict management
Computers in Industry, 2004
The increasing competition and complexity of products and processes require new organizational concepts for product development. Collaborative design deals with the sharing of various interests and resources among various actors with the aim of reaching a common purpose. This purpose relies on the development of products using knowledge sharing and interactions with some coordination between these varied activities. The research objective is to provide a collaborative design environment which allows inter-skill collaboration to be coordinated by defining a common repository for knowledge management in a collaborative design situation. This paper will focus on the particular situation of conflict management. From a domain analysis of conflict management process, the first elements of a repository are given by identifying involved knowledge (static view) and formalizing protocols driven by actors to resolve conflicts (dynamic view).