下肢康复训练伺服系统建模与模糊自整定PID控制Modeling of lower limb rehabilitation training servo system and its fuzzy self-tuning PID control
李彩凤,杨风
摘要(Abstract):
为提高下肢康复训练伺服系统的控制精度,将模糊控制理论和PID控制结合起来,提出适合下肢康复训练伺服系统的模糊自整定PID控制算法。在说明系统结构的基础上建立模型,详细描述模糊自整定PID控制器的原理及设计过程。仿真结果表明,相对于常规PID法,模糊自整定PID法能够使下肢康复训练伺服系统达到良好的控制效果,输出响应时间缩短并且大大提高了扰动稳定性,具有较好的实际应用前景。
关键词(KeyWords): 下肢康复训练;伺服系统;模糊控制;PID;仿真;系统建模
基金项目(Foundation): 山西省省级大学生创新创业训练项目(2017N053297)~~
作者(Author): 李彩凤,杨风
DOI: 10.16652/j.issn.1004-373x.2018.19.031
参考文献(References):
- [1]麻天照.下肢外骨骼康复机器人控制系统设计与研究[D].成都:电子科技大学,2015.MA Tianzhao. Design and research on control system of lower extremity exoskeleton rehabilitation robot[D]. Chengdu:University of Electronic Science and Technology of China,2015.
- [2]高正中,张晓燕,宋森森,等.基于STM32的无位置传感器BLDCM控制系统设计[J].现代电子技术,2016,39(22):175-178.GAO Zhengzhong,ZHANG Xiaoyan,SONG Sensen,et al. Design of a position sensor BLDCM control system based on STM32[J]. Modern electronics technique,2016,39(22):175-178.
- [3]沈志英.高速精密数控机床进给伺服系统的控制研究[D].兰州:兰州理工大学,2011.SHEN Zhiying. Research on control of feed servo system for highspeed precision CNC machine tools[D]. Lanzhou:Lanzhou University of Technology,2011.
- [4]李庆春.新型PID模糊控制器的结构分析及应用研究[D].长沙:中南大学,2010.LI Qingchun. Structure analysis and application research of a new PID fuzzy controller[D]. Changsha:Central South University,2010.
- [5]刘明,宋弘.自适应模糊PID智能控制器在无刷直流电机速度控制系统中的应用[J].电机与控制应用,2012,39(11):22-25.LIU Ming,SONG Hong. Application of adaptive fuzzy PID intelligent controller in brushless DC motor speed control system[J]. Electric machines and control application,2012,39(11):22-25.
- [6]王艳,王健波,许光辉,等.基于自适应模糊PID矫圆控制仿真与研究[J].控制工程,2017,24(2):250-256.WANG Yan,WANG Jianbo,XU Guanghui,et al. Simulation and research on adaptive rounding control based on fuzzy PID[J]. Control engineering,2017,24(2):250-256.
- [7]张磊,苏为洲.伺服系统的反馈控制设计研究综述[J].控制理论与应用,2014,31(5):545-559.ZHANG Lei,SU Weizhou. Summarization of research on feedback control design of servo system[J]. Control theory&applications,2014,31(5):545-559.
- [8]蔡凌,翟助群,张缨,等.基于模糊调整的变结构自适应PID控制器[J].兵工学报,2015,36(z2):280-284.CAI Ling,ZHAI Zhuqun,ZHANG Ying,et al. Variable structure self-adaptive PID controller based on fuzzy adaption[J].Acta Armamentarii,2015,36(S2):280-284.
- [9]满凯凯,刘子胥.一种改进的永磁直线电机伺服系统的研究[J].现代电子技术,2015,38(5):129-131.MAN Kaikai,LIU Zixu. Research on an improved permanent magnet linear motor servo system[J]. Modern electronics technique,2015,38(5):129-131.
- [10]鲁雄文.模糊PID控制系统的设计与研究[J].现代电子技术,2014,37(24):146-149.LU Xiongwen. Design and research of fuzzy PID control system[J]. Modern electronics technique,2014,37(24):146-149.