Zhonghui Huang

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Monitoring indoor environmental state of large communication rooms, warehouses and power stations is an important task. Based on mobile robotics, we have developed an intelligent environmental monitoring system. In this system, a mobile robot carrying a number of sensors autonomously navigates and dynamically sample the environmental data including the(More)
Analysis constraints and its diversity in security access control model. Cardinality is a common constraint in access control model. An extended cardinality constraint access control model is established. According to actual demand, we describe the user-role, user-session, role-session cardinality constraints based on the RBAC model. The differences between(More)
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