Synchronization Stability Analysis of Medical Cyber-Physical Cloud System Considering Multi-Closed-Loops

Author:

Liu Li12,Xie Guoqi3ORCID,Li Renfa3

Affiliation:

1. College of Computer Science and Electronic Engineering, Hunan University, P. R. China

2. Information Center of the Third Xiangya Hospital, Central South University, P. R. China

3. Key Laboratory for Embedded and Network Computing of Hunan Province, College of Computer Science and Electronic Engineering, Hunan University, P. R. China

Abstract

Medical cyber-physical system (MCPS) is usually used in hospitals to provide continuous services (e.g., glycemic monitor and alarm) for patients. In this paper, we introduce cloud computing to integrate multiple MCPSs of hospitals to construct medical cyber-physical cloud system (MCPCS). Such complex MCPCS need stability analysis to guarantee collaboration among multiple MCPSs. We treat the MCPCS as a complex network, where each MCPS is considered as a node. Then, we introduce the Lyapunov stability theory for synchronization stability analysis of MCPCS by considering multi-closed-loops. For different network types, the dynamic equations of MCPSs were improved through introducing feedback in the multi-closed-loops. For the problem that different networks cause different delays, we select three networks to solve sufficient conditions for the synchronization stability of MCPCS. Experiments are performed to confirm the efficiency of sufficient conditions and the synchronization stability of MCPCS.

Funder

the National Key R & D Program of China

the National Natural Science Foundation of China

the Natural Science Foundation of Hunan Province

the Open Research Project of the State Key Laboratory of Synthetical Automation for Process Industries (SAPI), Northeastern University, China

Publisher

World Scientific Pub Co Pte Lt

Subject

Electrical and Electronic Engineering,Hardware and Architecture,Electrical and Electronic Engineering,Hardware and Architecture

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