半实物仿真的电加热炉系统辨识与模糊控制

以电加热炉为实验对象,建立基于MATLAB/Simulink的电加热炉炉温半实物仿真控制系统.通过系统辨识方法得到电加热炉的准确数学模型,使用模糊PD控制策略,先通过计算机仿真方式得到合适的控制器规则和参数,再将此控制器应用到对电加热炉的实际控制当中,对电加热炉的炉温进行控制,达到了较为理想的控制效果.实验表明,半实物仿真方法在系统建模和设计控制器、寻找合适控制器参数等方面具有方便、准确等优点,可以广泛应用到工业控制的压力、液位等其他方面的控制.

System identification and fuzzy control of electric heating stoves based on hardware-in-loop simulation

An electric heating stove was used as an experiment object to build a hardware-in-loop simulation temperature control system of electric heating stoves based on MATLAB/Simulink.An accurate mathematical model was constructed through the method of system identification,and then the fuzzy PD control strategy was used.First,suitable controller rules and parameters were gained by computer simulation methods.Then this controller was used to control the temperature of the electric heating stove to reach a perfect level.The result indicates that it is convenient to use the hardware-in-loop simulation method to construct the system model and design the controllers and to search the right controller parameters.It can be used to control pressure,the level of liquid and other aspects in industry＇s control field.