立方星星箭分离电磁解锁机构

张佼龙; 周军

doi:10.3788/OPE.20182603.0606

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立方星星箭分离电磁解锁机构

微纳技术与精密机械 | 更新时间：2020-07-05

- 立方星星箭分离电磁解锁机构
- Electromagnet door release mechanism in deploying mechanism for CubeSats
- 光学精密工程 2018年26卷第3期页码：606-615
- 作者机构：
  
  西北工业大学精确制导与控制研究所陕西省微小卫星工程实验室, 陕西西安 710072
- 作者简介：
  
  [ "张佼龙(1988-), 男, 山西忻州人, 博士, 助理研究员, 2009年、2013年于西北工业大学分别获得学士、博士学位, 现任陕西省电动伺服系统工程研究中心副主任, 主要从事电动伺服系统及微小卫星总体结构的研究。E-mail:zhangjiaolong@nwpu.edu.cn" ]
  [ "周军 (1966-)，男，江苏常州人，教授，博士生导师，1988年、1990年、1993年于西北工业大学分别获得学士、硕士、博士学位，现任西北工业大学精确制导与控制研究所所长，陕西省微小卫星实验室主任，陕西省电动伺服系统工程研究中心主任，863专家，主要从事航天器控制与仿真技术、现代控制理论与应用、导弹精确制导与控制技术的研究。E-mail:zhoujun@nwpu.edu.cn" ]
- 基金信息：
  
  国家自然科学基金资助项目(61703339);中央高校基本科研业务费资助项目(G2016KY0001)
- DOI：10.3788/OPE.20182603.0606
  中图分类号： V421.7
- 收稿日期：2017-09-25，
  
  录用日期：2017-11-6，
  
  纸质出版日期：2018-03-25
- 稿件说明：
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张佼龙, 周军. 立方星星箭分离电磁解锁机构[J]. 光学精密工程, 2018,26(3):606-615.

Jiao-long ZHANG, Jun ZHOU. Electromagnet door release mechanism in deploying mechanism for CubeSats[J]. Optics and precision engineering, 2018, 26(3): 606-615.
张佼龙, 周军. 立方星星箭分离电磁解锁机构[J]. 光学精密工程, 2018,26(3):606-615. DOI： 10.3788/OPE.20182603.0606.

Jiao-long ZHANG, Jun ZHOU. Electromagnet door release mechanism in deploying mechanism for CubeSats[J]. Optics and precision engineering, 2018, 26(3): 606-615. DOI： 10.3788/OPE.20182603.0606.

摘要

为实现"翱翔之星"立方星发射力学环境下可靠的锁定以及在轨低冲击快响应的解锁分离，提出了一种断电时弹簧锁定与加电时电磁铁吸合解锁的非火工解锁机构。首先，根据系统要求介绍了电磁解锁机构的工作原理，并建立了机-电-磁耦合动力学模型，分析解锁机构的动力学响应特性；其次，以地面测试试验结果为依据，进行电磁参数的多约束多目标设计与优化，并将优化出的参数在SIMULINK环境下进行仿真验证；再次，对电磁解锁机构样机进行功能测试，实测数值与仿真结果基本一致：额定电压28 V下样机的解锁时间为41.2 ms，解锁电流为2.2 A，能耗为2.5 J；最后，开展了力学环境和热真空环境地面试验以及±5 V电压拉偏测试，结果表明电磁解锁机构能够可靠锁定与解锁。本文设计的电磁解锁机构经过飞行验证成功应用于"翱翔之星"立方星的在轨解锁与分离，可为后续立方星星箭分离解锁机构的标准化设计提供参考。

Abstract

To implement reliable locking under launching mechanical environment and low-impact and fast-response unlocking on-orbit for the CubeSat "Star of Aoxiang"

a non-pyrotechnic door release mechanism was proposed which locked by reset spring at the time of power off and unlocked by electromagnetic force at the time of power on. Firstly

according to the system requirements

the work principle of electromagnet door release mechanism was introduced

and the coupling dynamical models involving mechanical-electrical-magnetic characteristics were established. Secondly

the multi-constrain and multi-objective problems of electromagnet parameters were solved based on the ground tests

after that

the simulation verification of the optimized parameters was implemented. Then

the functional tests for a prototype of the electromagnet door release mechanism were carried out. The measurement values agreed well with the simulations results

which showed that the unlocking time was 41.2 ms and the current was 2.2 A and the energy consumption was only 2.5 J at the typical voltage of 28 V. Finally

on the condition of mechanical and thermal-vacuum ground environment and down-deflection of ±5 V

the electromagnet door release mechanism could lock and unlock reliably. The proposed door release mechanism has successfully applied to unlocking and launching the CubeSat "Star of Aoxiang" on-orbit. It provides reference for further standardization design of door release mechanism for following CubeSats and other micro-satellites.

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references

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