风板控制装置的研究
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摘要
为实现对风板的精确控制,搭建了风板控制装置。用两个轴流风机产生不同的风力,控制风板沿固定轴旋转,用高精度角位移传感器测量风板的旋转角度,构成一个闭环系统。将测量角度与设定角度进行比较,得到角度偏差,用位置PID控制轴流风机的转速。通过实验法确定P、I、D的参数,使风板能够停在设定角度上。测试结果表明:该方法具有精度高、响应速度快、鲁棒性好等优点。
In order to realize the precise control of the wind board,a wind panel control device is set up. Two axial fans are used to generate different wind forces,and the control plate is rotated along the fixed axis. The angle of rotation of the wind plate is measured by a high precision angular displacement sensor,and a closed loop system is formed. By comparing the measuring angle with the setting angle,the angle offset is obtained,and the rotational speed of the axial fan is controlled by proportion integral derivative (PID) to control position. The parameter P is proportional amplification factor,I is integral coefficient,and D is differential coefficient,they are determined by experimental method,so that the wind plate can be fixed at the setting angle. The test results show that this method has the advantages of high precision,fast response and good robustness.
In order to realize the precise control of the wind board,a wind panel control device is set up. Two axial fans are used to generate different wind forces,and the control plate is rotated along the fixed axis. The angle of rotation of the wind plate is measured by a high precision angular displacement sensor,and a closed loop system is formed. By comparing the measuring angle with the setting angle,the angle offset is obtained,and the rotational speed of the axial fan is controlled by proportion integral derivative (PID) to control position. The parameter P is proportional amplification factor,I is integral coefficient,and D is differential coefficient,they are determined by experimental method,so that the wind plate can be fixed at the setting angle. The test results show that this method has the advantages of high precision,fast response and good robustness.
引文
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[2]刘家兵,李志红,任艳锋.无刷直流电机模糊PI系统的建模及仿真[J].控制工程,2008,15(s1):125-133.
[3]丁素明,薛新宇,兰玉彬,等.NJS-1型植保直流闭口式风洞设计与试验[J].农业工程学报,2015,31(4):76-86.
[4]律方成,黄华,刘云鹏,等.风洞模拟自然横风条件下绝缘子带电积污特性[J].高电压技术,2014:40(5):1281-1289.
[5]唐志共,许晓斌,杨彦广,等.高超声速风洞气动力试验技术进展[J].航空学报,2015:36(1):86-97.
[6]王军,冯能莲,张春强,等.无刷直流电机模糊与PI双闭环调速系统的研究[J].安徽农业大学学报,2016,43(4):662-666.
[7]温嘉斌,麻宸伟.无刷直流电机模糊PI控制系统设计[J].电机与控制学报,2016,20(3):102-108.
[8]郭伟,陈一帆,周丽,等.无刷直流电机分数阶PI预测函数控制研究[J].武汉理工大学学报,2013,35(3):130-135.
[9]姜文彪,吴坚.直流电机双闭环PI控制技术研究[J].机床与液压,2012,40(11):21-24.
[10]王霞,朱景伟.基于模糊PI控制的无刷直流电机调速系统[J].电气传动,2014,44(1):63-67.
[11]龙文,陈洋,吴怀宇,等.变载荷下六旋翼无人机高度控制[J].传感技术学报,2017,30(7):1125-1127.
[12]李文豪,李杰,杨文卿,等.适用于主动式半捷联的伺服电机多级控制调速方法[J].传感技术学报,2017,30(9):1369-1374.