Enhanced Data Access Control of Cooperative Environment used for DMU Based Design

Through the analysis of the process digital design based on digital mockup, the fact indicates that a distributed cooperative supporting environment is the foundation conditions to adopt design approach based on DMU. Data access authorization is concerned firstly because the value and sensitivity of the data for the enterprise. The access control for administrators is often rather weak other than business user. So authors established an enhanced system to avoid the administrators accessing the engineering data by potential approach and without authorization. Thus the data security is improved.

Authors:

• Wei Lifan
• Zhang Huaiyu
• Yang Yunbin
• Li Jia

Keywords:

• access control
• DMU
• PLM
• virtual prototype.

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