Computer Science ›› 2022, Vol. 49 ›› Issue (6A): 39-43.doi: 10.11896/jsjkx.210300230

• Smart Healthcare • Previous Articles     Next Articles

Control Strategy Optimization of Medical CPS Cooperative Network

LIU Li1, LI Ren-fa2   

  1. 1 The Third Xiangya Hospital,Central South University,Changsha 410013,China
    2 School of Computer Science and Electronic Engineering,Hunan University,Changsha 410082,China
  • Online:2022-06-10 Published:2022-06-08
  • About author:LIU Li,born in 1980,Ph.D,engineer,is a student member of China Computer Federation.Her main research interests include medical information,machine learning and embedded systems.
    LI Ren-fa,born in 1956,Ph.D,professor,Ph.D supervisor,is a member China Computer Federation.His main research interests include computer architectures,embedded computing systems cyber-physical systems and Internet of things.
  • Supported by:
    National Natural Science Foundation of China(61932010).

Abstract: The information construction of hospitals has entered the intelligent era,more and more medical cyber physical systems(CPS) have been applied in hospitals.However,in the complication disease treatment scenario,medical CPS are not reliable enough because of the specialization of medical disciplines and the lack of medical knowledge base.In this paper,a collaborative architecture of medical CPS is proposed to improve the decision reliability of medical CPS.On the collaboration platform,CPS send cooperative tasks to intelligent units on the network,and the intelligent units assist CPS to make medical decisions together.In this paper,the control strategy of the cooperative network is optimized to improve the network communication efficiency because the physiological data of patients are continuous dynamic data and medical CPS have a high requirement on the timeliness of response.CCD and HCD algorithms are proposed respectively for the deployment of high-level controller and low-level controller.Finally,two algorithms are simulated and compared with K-means algorithm.The results show that HCD algorithm greatly improves the load balancing of low-level controllers at the expense of less average communication delay.CCD algorithm is more suita-ble for advanced controller deployment with fewer cluster nodes,and its optimization effect on objective function is obviously better than that of HCD algorithm and K-means algorithm.

Key words: Cluster, Collaboration, Cyber physical systems, Medical, Network control

CLC Number: 

  • TP399
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