人体表面吹拂气体温度控制算法及实现

The Algorithm of Temperature Controlling of Fan Gas on the Surface of Human Body

根据医用保温毯中对人体表面吹拂气体温度控制的要求,将增加了控制作用线的改进型九点控制算法应用到此类温度控制中。介绍常规九点控制算法及改进型九点控制算法的原理,分析各个控制作用力的作用,提出应用于人体表面吹拂气体温度控制的改进型九点控制算法模型、各个控制作用力参数的整定方法以及软硬件实现方案,并用MATLAB对控制算法进行仿真。研究结果表明:将改进型九点控制算法应用到人体表面吹拂气体温度的控制中是可行的;通过合理整定算法参数,可以有效提高控制系统的性能。

According to the requirement of the airflow temperature control blowing onto the surface of human body in the medical warming device, the improved nine-point controlling algorithm with the controlling lines added was applied to the airflow temperature control system. The principle of conventional and improved nine-point controlling algorithm were introduced. The function of each con- trol force was analyzed. The improved nine-point controlling algorithm model was applied to the airflow temperature control system. The parameter turning method of each control force and the implementation methods of the software and hardware were brought up. The control algorithm was simulated by MATLAB. It is＇concludod that applying the improved nine-point controlling algorithm to the human body temperature control system is feasible and the property of the system can be improved by turning algorithm parameter reasonable.