血透机温度控制系统模型和仿人智能PID算法研究  

Research of hemodialysis machine temperature control system model and human-simulated intelligent PID control algorithm

作　　者：沈林[1] 张海涛[1] 涂亚庆[1] 曹胜强[1] 罗毅 黄明 

机构地区：[1]后勤工程学院后勤信息与军事物流工程系,重庆401311 [2]重庆市澳凯龙医疗器械研究有限公司,重庆401121

出　　处：《自动化与仪器仪表》2017年第1期91-93,共3页Automation & Instrumentation

基　　金：重庆市社会事业与民生保障科技创新专项一般项目(cstc2016shmszx0839)

摘　　要：血透机温度控制系统具有明显的大时滞特性和非线性,传统PID方法难以实现有效快速的控制。本文以血透机温度控制系统为研究对象,提出将仿人智能PID控制方法应用于血透机温度控制系统,建立了温度控制系统传递函数模型,重点设计了仿人智能PID温度控制算法,并进行了仿真验证。仿真结果表明,仿人智能PID控制算法在血透机温度控制系统中具有较好的稳定性和鲁棒性,能较好地抑制大滞后、时变带来的影响,使血透机温度控制系统不会出现大的超调。The temperature control system of hemodialysis machines has remarkable features of large time- delay and nonlinearity,and the traditional PID control method can hardly achieve effective control. The human-simulated intelligent PID control method is introduced to the hemodialysis machine temperature control system in the paper. The transfer function of the system model is derived and the human-simulated intelligent PID control algorithm is designed. Simulation results show that the human-simulated intelligent PID control method has the advantages of good stability and robustness in the system, which can effectively inhibit the influence of large time-delay and time-varying and can avoid large overshoot.

关 键 词：血透机 温度控制 仿人智能控制 PID控制 时滞系统 

分 类 号：TP273.4[自动化与计算机技术—检测技术与自动化装置]