火箭发动机喷管伺服机构负载模拟系统设计与实验

doi:10.3969/j.issn.1000-1093.2014.09.024

兵工学报 ›› 2014, Vol. 35 ›› Issue (9): 1495-1502.doi: 10.3969/j.issn.1000-1093.2014.09.024

火箭发动机喷管伺服机构负载模拟系统设计与实验

张朋，付永领，郭彦青

(北京航空航天大学机械工程及自动化学院，北京 100191)

收稿日期:2013-10-23 修回日期:2013-10-23 上线日期:2014-11-03
通讯作者: 张朋 E-mail:zpbuaa@126.com
作者简介:张朋（1984—），男，博士研究生

Design and Experiment of Load Simulation System for Servo Mechanism of Rocket Engine Nozzle

ZHANG Peng, FU Yong-ling, GUO Yan-qing

（School of Mechanical Engineering and Automation, Beihang University, Beijing 100191, China）

Received:2013-10-23 Revised:2013-10-23 Online:2014-11-03
Contact: ZHANG Peng E-mail:zpbuaa@126.com

摘要/Abstract

摘要： 针对火箭发动机喷管伺服机构的半物理仿真需要，设计一种可对惯性负载、摩擦力矩负载、弹性力矩负载、伺服机构安装刚度进行模拟的电液负载模拟系统。依据伺服机构负载特点，由机械的方式实现惯性负载、摩擦负载以及安装刚度的模拟，由阀控伺服马达实现弹性力矩的模拟；分别建立伺服机构系统和马达加载系统的数学模型，并为马达加载系统设计基于速度前馈补偿和力矩前馈的控制系统；进行负载模拟器的现场实验，实验结果表明，各种加载负载满足精度要求，验证了负载模拟器设计的合理性和实用性，以及控制策略的有效性。

关键词: 兵器科学与技术, 负载模拟, 伺服机构, 数学模型, 力矩前馈, 速度补偿

Abstract: A new electro-hydraulic torque load simulator is proposed for the semi-physical simulation of the servo mechanism in launch vehicle, which could simulate the inertia load, friction and elastic torques, and servo mechanism mounting rigidity. On the basis of load characteristics of servo mechanism, the inertia , friction, and servo mechanism mounting rigidity are simulated for the mechanical structures, and the elastic load is simulated for the servomotor. The complete mathematical models of the motor loading system and the servo mechanism system are constructed. A control system of the servo mechanism is designed based on speed compensation and torque feed-forward. Some field tests of load simulation device were made. The test results show that the various loads meet accuracy requirements. The proposed design is reasonable and practicable, and the control system is effective.

Key words: ordnance science and technology, load simulation, servo mechanism, mathematical model, torque feed-forward, speed compensation

中图分类号:

TG262

张朋，付永领，郭彦青. 火箭发动机喷管伺服机构负载模拟系统设计与实验[J]. 兵工学报, 2014, 35(9): 1495-1502.

ZHANG Peng, FU Yong-ling, GUO Yan-qing. Design and Experiment of Load Simulation System for Servo Mechanism of Rocket Engine Nozzle[J]. Acta Armamentarii, 2014, 35(9): 1495-1502.

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火箭发动机喷管伺服机构负载模拟系统设计与实验

Design and Experiment of Load Simulation System for Servo Mechanism of Rocket Engine Nozzle

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