基于液压驱动的动态试验控制系统设计

doi:10.7527/S1000-6893.2017.721521

电子电气工程与控制

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基于液压驱动的动态试验控制系统设计

王建锋, 卜忱, 谭浩

中国航空工业空气动力研究院气动研究与试验四部, 哈尔滨 150001

收稿日期:2017-05-25 修回日期:2017-07-07 出版日期:2017-11-30 发布日期:2017-07-07
通讯作者: 王建锋 E-mail:wangjianfeng_avic@163.com

Control system design of dynamic test based on hydraulic drive

WANG Jianfeng, BU Chen, TAN Hao

No.4 Department of Aerodynamic Research and Test, AVIC Aerodynamics Research Institute, Harbin 150001, China

Received:2017-05-25 Revised:2017-07-07 Online:2017-11-30 Published:2017-07-07

摘要/Abstract

摘要：

介绍了应用液压驱动形式构建风洞动态试验控制系统的软硬件设计方法，包括液压马达、伺服阀的参数计算及选型，液压伺服位置控制系统设计方案，基于前馈控制和模糊比例-积分-微分（Proportion-Integration-Differentiation，PID）控制算法的设计思路，简谐运动的实现方法等。通过试验数据分析，该套系统在5°/2.5 Hz和40°/0.8 Hz以下的振幅/频率组合指标运动下，满足幅值差10%和相位差10°以内的控制指标要求，同时分析得到伺服阀死区特性是运动频率对指标造成影响的主要原因，并得出了基于液压驱动的动态试验系统较传统电机驱动系统的优缺点。

关键词: 液压驱动, 简谐运动, 液压伺服, 风洞试验, 动导数

Abstract:

This paper introduces the design method of hardware and software for constructing the control system of wind tunnel dynamic test by applying the hydraulic drive, including the hydraulic motor, the parameter calculation and selection of the servo valve, the control system design of the hydraulic servo position, the design idea based on feedforward control and fuzzy Proportion-Integration-Differentiation (PID) control algorithm, the implementation method of simple harmonic movement. Through the analysis of the test data, this control system meet the requirements of control index for the amplitude difference less than 10% and the phase difference within 10°, under the amplitude/frequency combination of 5°/2.5 Hz or 40°/0.8 Hz, meanwhile analyzing that the main reason for the influence of motion frequency on the index is the deadband characteristic of the servo valve, and concluding the advantages and disadvantages of the dynamic test system based on hydraulic drive compared with the traditional motor drive system.

Key words: hydraulic drive, simple harmonic movement, hydraulic servo, wind tunnel test, dynamic derivative

中图分类号:

V211.752

王建锋, 卜忱, 谭浩. 基于液压驱动的动态试验控制系统设计[J]. 航空学报, 2017, 38(S1): 721521-721521.

WANG Jianfeng, BU Chen, TAN Hao. Control system design of dynamic test based on hydraulic drive[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2017, 38(S1): 721521-721521.

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E-mail：hkxb@buaa.edu.cn

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主管单位：中国科学技术协会主办单位：中国航空学会北京航空航天大学

基于液压驱动的动态试验控制系统设计

Control system design of dynamic test based on hydraulic drive

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