两种数字PID算法在电锅炉温度控制系统中的应用比较

在数字PID算法中,为了避免传统PID控制器算法中积分累积所造成的系统较大超调和不稳定,甚至是积分饱和,人们常常会使用积分分离PID算法加以改进.本文又提出了变速积分PID算法,并以电锅炉温度控制系统为例,基于MATLAB并运用仿真分析手段,对两种不同算法的控制效果进行了比较,得出了积分分离算法的上升时间tr较短,而变...

Comparison of the Applications of Two Digital PID Algorithms in Temperature Control System of Electric Boiler

In traditional digital PID algorithm,there is always a bigger overshoot and instability,or even integral saturation because of the integral accumulation.We often use PID algorithm of integral separation to improve the system.In this thesis,we put forward another PID algorithm of alteration in rate and take the example of the temperature control system of electric boiler.Then we use digital simulation of control system based on MATLAB to make a contrast between the two algorithms and obtain the conclusions t...