轴对称推力矢量喷管喉道面积的精度分析与补偿

刘洋; 赵志刚; 李维维; 石广田

doi:10.13433/j.cnki.1003-8728.20180007

轴对称推力矢量喷管喉道面积的精度分析与补偿

doi: 10.13433/j.cnki.1003-8728.20180007

1.
兰州交通大学机电工程学院, 兰州 730070

详细信息

作者简介:
刘洋(1993-),硕士研究生,研究方向为轴对称推力矢量喷管的精度补偿控制,liuy9694@163.com

通讯作者:
赵志刚,教授,博士,zhaozhg@mail.lzjtu.cn

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- 文章访问数: 258
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- 被引次数: 0
出版历程
- 收稿日期: 2017-07-24
- 刊出日期: 2018-07-05

Precision Compensation of Throat Area for Axial-symmetric Vectoring Exhaust Nozzle

1.
School of Mechatronic Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China

摘要

摘要: 研究运用控制补偿系统对轴对称推力矢量喷管喉道面积精度补偿的问题。建立喉道正逆运动学模型；考虑机构的加工误差、输入误差以及铰链间隙误差的影响，进行喉道的精度分析；依次运用开环逆模控制及单神经元PID加逆模前馈控制设计控制补偿系统，实现对喉道面积精度的补偿，运用仿真测试的方法验证了后者对喉道面积精度补偿效果更佳。经控制系统补偿后，喉道面积的偏差不大于1%，对轴对称推力矢量喷管的精确控制及补偿控制器的研发提供了一定的理论基础。
- 轴对称推力矢量喷管 /
- 喉道面积 /
- 单神经元PID加逆模前馈控制 /
- 精度补偿
Abstract: The compensation of the throat area accuracy for the axial-symmetric vectoring exhaust nozzle(AVEN) by the control compensation system is studied. The kinematic and inverse kinematics models of throat are established. The precision of the throat is analyzed by considering the effect of the machining error, input error and the gap error of the hinge. The Open-loop inverse mode control and mononeuric PID & inverse mode feedforward control are used to design the control compensation system to realize the compensation of the precision of the throat area. The method of simulation test shows that the latter has better compensation effect on the throat area. With the system compensation, deviation of throat area is less than 1%, which provids important reference for the precision and compensation control of the axial-symmetric vectoring exhaust nozzle.
- axial-symmetric vectoring exhaust nozzle /
- throat area /
- mononeuric PID&inverse mode feedforward control /
- precision compensation

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参考文献(18)

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