中国机械工程 ›› 2012, Vol. 23 ›› Issue (23): 2830-2835.

• 信息技术 • 上一篇    下一篇

工程机械臂新型液压驱动技术研究与仿真

刘忠1,2;刘灯2;金耀2;朱浩3   

  1. 1.常熟理工学院,常熟,215500
    2.湖南师范大学,长沙,410081
    3.湖南大学,长沙,410082
  • 出版日期:2012-12-10 发布日期:2012-12-21
  • 基金资助:
    国家自然科学基金资助项目(51275060);湖南省高等学校自然科学研究资助重点项目(08A047) 
    National Natural Science Foundation of China(No. 51275060);
    Hunan Provincial Natural Science Research Key Program of Higher Education of China(No. 08A047)

Research and Simulation of a New Hydraulic Drive Technology for Engineering Mechanical Arm

Liu Zhong1,2;Liu Deng2;Jin Yao2;Zhu Hao3   

  1. 1.Changshu Institute of Technology,Changshu,Jiangsu,215500
    2.Hunan Normal University, Changsha, 410081
    3.Hunan University, Changsha, 410082
  • Online:2012-12-10 Published:2012-12-21
  • Supported by:
     
    National Natural Science Foundation of China(No. 51275060);
    Hunan Provincial Natural Science Research Key Program of Higher Education of China(No. 08A047)

摘要:

针对工程机械臂大功率驱动的特点,设计出一种基于高速开关阀先导控制插装阀的阀控缸电液位置控制系统。利用AMESim软件建立其液压系统模型,采用PID控制和基于5点开关思想的脉宽调制(PWM)策略,对工程机械臂液压位置控制进行仿真研究。结果表明,这种新型液压驱动系统具有较强的自适应性,位置跟随精度高,能够实现大流量的数字控制,驱动液压缸的工作流量可达215L/min,符合工程机械臂驱动控制的技术要求。

关键词: 工程机械臂, 高速开关阀, AMESim, 脉宽调制

Abstract:

A new electro-hydraulic position control system, which used the high speed on/off valve as the pilot valve for the cone valve, was designed in accordance with the features of high power engineering mechanical arm. A model of the hydraulic system was established by the AMESim software. Then the simulations were conducted with PID control and the PWM strategy based on five-point switch thought. The results show that the new system has stronger self-adaptability, track position with high precision, realizes the digital control with large flow which can arrive at 215L/min, and meets the drive needs of engineering mechanical arm.

Key words: engineering mechanical arm, high speed on/off valve, AMESim, pulse width modulation(PWM)

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