基于虚拟仪器的直流电机模糊PID控制实验研究

Study on Fuzzy-PID control experiment of DC motor module based on virtual instrument

应用ELVISⅡ虚拟仪器实验平台对直流电机模块进行模糊PID速度控制实验设计。首先分析了电机的控制原理,在LabVIEW环境中设计了PID控制器及切换式模糊PID控制器,并对实验数据进行对比分析,与PID控制相比,模糊PID控制响应速度快、稳态精度高。最后进行了电机模块控制实验设计。实验教学结果表明:基于虚拟仪器设计的模糊PID速度控制实验可以激发学生学习控制系统设计的兴趣,调动学生的主动性,进一步提高实验教学质量。

DC motor speed control experiment using Fuzzy-PID control algorithm is designed based on the NIELVISⅡ virtual instrument.The control principle of the DC motor module is analyzed first,the PID controller and Fuzzy-PID controller are designed and applied in the system.The experimental data is analyzed through comparing two algorithms.DC motor control experiment for students is designed finally.The actual teaching results show that the students＇ interests in studying the control system design are inspired greatly by this experiment platform,and teaching quality could be improved further.