Abstract:

Based on coal enterprise coal quality management information system, adopting the thought of role-based access control model and analyzing the limitations of the model, putting forward with a models with some improvements, the model assign role to user and set permission to role, realizing the separation of users and permissions, reduce licensing complexity. In further research of coal quality management information system access control features, designs and implementes the access control system, the framework uses a four-layer architecture to ensure high cohesion and low coupling of the program, and improve the security and scalability of the system, results show that the system can improve efficiency of coal enterprise access control management and would have wide application prospects.

Key words: role, permission management, access control, coal quality management information system