A kind of project-change control mechanism oriented to web-based collaborative product development

To improve efficiency and collaboration in web-based collaborative change process, according to the philosophy of system theory and graph theory, the project-change control mechanism was presented. By analysizing the information flow in web-based collaborative PD, the closed-loop change control process model was buit. Additionally, the graph theory was applied to analyzed the impact scope raised by project change. Finally, the actual application of the control mechanism was introduced.