计算机科学 ›› 2022, Vol. 49 ›› Issue (6A): 39-43.doi: 10.11896/jsjkx.210300230
刘丽1, 李仁发2
LIU Li1, LI Ren-fa2
摘要: 医院的信息化建设已经进入了智能化时代,越来越多的医疗CPS(Cyber Physical Systems)在医院实践并应用。然而,医学学科的细化和医院知识库的缺乏,会导致医疗CPS在多并发症疾病治疗应用上的可靠性不足。文中提出了一种医疗CPS协作架构,以提高医疗CPS的决策可靠性。CPS通过协作平台向网络上的智能单元发送协作任务,响应的智能单元共同辅助CPS进行医疗决策。由于患者的生理数据是连续动态的,且医疗CPS对响应的及时性要求较高,文中进一步优化了协作网络的控制策略来提高网络通信效率,分别提出了CCD算法和HCD算法用于高级控制器和低级控制器的部署。最后,实验模拟两种算法并与K-means算法进行了指标对比,结果表明HCD算法在牺牲较少平均通信时延的情况下,大幅度提升了低级控制器的负载均衡。CCD算法更适合聚类节点少的高级控制器部署,对目标函数的优化效果明显优于HCD算法和K-means算法。
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