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机电作动器舵回路系统动态特性分析

万琦 刘更 乔冠 马尚君 佟瑞庭

万琦, 刘更, 乔冠, 马尚君, 佟瑞庭. 机电作动器舵回路系统动态特性分析[J]. 机械科学与技术, 2017, 36(5): 805-810. doi: 10.13433/j.cnki.1003-8728.2017.0524
引用本文: 万琦, 刘更, 乔冠, 马尚君, 佟瑞庭. 机电作动器舵回路系统动态特性分析[J]. 机械科学与技术, 2017, 36(5): 805-810. doi: 10.13433/j.cnki.1003-8728.2017.0524
Wan Qi, Liu Geng, Qiao Guan, Ma Shangjun, Tong Ruiting. Analyzing Dynamic Characteristics of Rudder Loop System for an Electro-mechanical Actuator[J]. Mechanical Science and Technology for Aerospace Engineering, 2017, 36(5): 805-810. doi: 10.13433/j.cnki.1003-8728.2017.0524
Citation: Wan Qi, Liu Geng, Qiao Guan, Ma Shangjun, Tong Ruiting. Analyzing Dynamic Characteristics of Rudder Loop System for an Electro-mechanical Actuator[J]. Mechanical Science and Technology for Aerospace Engineering, 2017, 36(5): 805-810. doi: 10.13433/j.cnki.1003-8728.2017.0524

机电作动器舵回路系统动态特性分析

doi: 10.13433/j.cnki.1003-8728.2017.0524
基金项目: 

国家自然科学基金项目(51275423)、教育部高等学校博士学科点专项科研基金项目(20126102110019)、中国博士后科学基金项目(2014M552483)及西北工业大学基础研究基金项目(3102014ZD0035)资助

详细信息
    作者简介:

    万琦(1991-),博士研究生,研究方向为机电作动系统、行星滚柱丝杠副研究,290457613@qq.com

    通讯作者:

    刘更(联系人),教授,博士,博士生导师

Analyzing Dynamic Characteristics of Rudder Loop System for an Electro-mechanical Actuator

  • 摘要: 为了提高机电作动器舵回路系统动态特性,以基于行星滚柱丝杠副的机电作动器舵回路系统为研究对象,建立一种采用一维伺服控制系统模型与三维机构动力学模型相结合的闭环耦合模型。通过变量信息实时交互实现联合仿真,进一步探究机电作动器中行星滚柱丝杠副摩擦力矩、刚度和间隙等非线性因素对舵回路系统的动态特性影响。结果表明:摩擦力矩是影响系统响应稳态值的主要因素;当系统输入阶跃信号时,刚度和间隙是造成系统振荡的主要原因;考虑摩擦力矩时,系统的跟踪精度降低,响应速度变慢;提高刚度可避免系统大幅振荡,能够保证系统稳定性;减小间隙量,可降低系统阶跃响应波动幅值,并加快系统调节时间。
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出版历程
  • 收稿日期:  2015-06-02
  • 刊出日期:  2017-05-05

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