Abstract: Product scheme design is the most important design phase to improve product quality and promote design capability. Collaboration is a key approach for enterprises which have different advantages to survive in an ever more volatile competitive market environment. Based on the analysis of the process of quality-oriented scheme design, the design collaboration loop is presented and the workflow model based on it is built. With the introduction of the multi-agents technology, the implementation of the workflow to support the model is presented.

Key words: Design for quality, Multi-agent, Scheme design, Workflow model