现代制造工程 ›› 2017, Vol. 445 ›› Issue (10): 125-128.doi: 10.16731/j.cnki.1671-3133.2017.10.024

• 仪器仪表/检测/监控 • 上一篇    下一篇

变转速液压调速系统转速模糊控制实验研究

陈萌1, 谷立臣1,2, 杨彬1, 刘永1,3, 田晴晴2   

  1. 1 长安大学工程机械学院,西安 710064;
    2 西安建筑科技大学机电工程学院,西安 710055;
    3 湖北汽车工业学院机械工程学院,十堰 442002
  • 收稿日期:2016-02-26 出版日期:2017-10-20 发布日期:2018-01-08
  • 作者简介:陈萌,硕士研究生,主要研究方向为机电液一体化及液压控制课题研究。 E-mail:1814651063@qq.com
  • 基金资助:
    国家自然科学基金项目(51275375)

Research on fuzzy control experiment for speed based on variable speed hydraulic system

Chen Meng1, Gu Lichen1,2, Yang Bin1, Liu Yong1,3, Tian Qingqing2   

  1. 1 School of Engineering Machinery,Chang’an University,Xi’an 710064,China;
    2 School of Mechanical & Electrical Engineering,Xi’an University of Architecture & Technology,Xi’an 710055,China;
    3 School of Mechanical Engineering,Hubei University of Automotive Technology,Shiyan 442002,Hubei,China
  • Received:2016-02-26 Online:2017-10-20 Published:2018-01-08

摘要: 针对变转速液压调速系统存在非线性、时变及调速精度低等技术问题,提出液压马达转速模糊控制策略。以伺服电动机驱动定量泵为动力源,设计了模糊控制器,实现了基于LabVIEW测控平台的以电动机转速为控制量的马达转速模糊控制策略。在典型工况下,对模糊控制和传统PID控制调速系统的动态响应性能及抗负载干扰能力进行了实验对比分析,结果表明:所提方法比传统PID模糊控制具有更好的鲁棒性,且两种控制方式的动态响应特性相近。

关键词: 变转速, 液压调速系统, 模糊控制

Abstract: To improve the accuracy of speed hydraulic system and overcome the nonlinear time-varying problem,the fuzzy control strategy for the motor speed was proposed.The power source was the servo motor,which drove the dosing pump,and then the fuzzy controller of the system was designed.Based on Labview test and control platform,the model of the fuzzy controller for the motor speed is evaluated.In order to compare the control effects of traditional PID and fuzzy control system,the experiment for dynamic response and load disturbance rejection capability were carried on respectively in the two control strategies.The results show that the robustness of the fuzzy control is better than traditional PID,but the dynamic response characteristics are similar.

Key words: variable speed, hydraulic system, fuzzy control

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