航天推进技术研究院主办
[1]张雪儿,张天平,李得天.基于QMU原理的离子推力器产品性能设计及验证方法[J].火箭推进,2020,46(05):73-79.
ZHANG Xueer,ZHANG Tianping,LI Detian.A QMU approach for performance design and verification of ion thrusters[J].Journal of Rocket Propulsion,2020,46(05):73-79.
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ZHANG Xueer,ZHANG Tianping,LI Detian.A QMU approach for performance design and verification of ion thrusters[J].Journal of Rocket Propulsion,2020,46(05):73-79.
基于QMU原理的离子推力器产品性能设计及验证方法
《火箭推进》[ISSN:1672-9374/CN:CN 61-1436/V]
卷:
46
期数:
2020年05期
页码:
73-79
栏目:
研究与设计
出版日期:
2020-10-20
- Title:
- A QMU approach for performance design and verification of ion thrusters
- 文章编号:
- 1672-9374(2020)05-0073-07
- Keywords:
- performance design; performance verification; quantification of margins and uncertainties(QMU); ion thruster
- 分类号:
- V439
- 文献标志码:
- A
- 摘要:
- 基于裕度和不确定度量化(QMU)方法基本原理和离子推力器原理样机研制基础,提出了一种完成离子电推进工程产品性能设计及验证的方法,该方法包括产品性能表征、性能与其相关变量物理模型建立、相关变量不确定度确定、性能不确定度计算、性能裕度测试、性能裕度完全覆盖不确定度的确认等程序步骤。以LIPS-200E离子推力器产品为实例,根据产品特性对通用的验证方法进行合理简化,建立性能与相关变量间物理关系,利用理论计算和经验数据分析其比冲和推力等性能的相关变量及性能参数本身的不确定度,并以推力器工程样机的实际性能测试结果作为性能裕度,通过对比确认所测得性能裕度能够完全覆盖性能不确定度,证明了产品比冲及推力实际性能满足工程应用需求。
- Abstract:
- Based on quantification of margins and uncertainties(QMU)and developed ion thruster prototype, an approach was derived for performance design and verification of ion thrusters.The procedure involves performance characterization, performance-parameter modeling, parameter uncertainty determination, performance uncertainty computation, margin test, and checking if the performance uncertainty is entirely included within the margin.A demonstration of LIPS-200E ion thruster was given with simplification, modeling, computation and analysis.Uncertainties of dependent parameters and performances were derived theoretically and empirically.The tested specific impulse and thrust of the LIPS-200E engineering prototype were taken as the performance margins, which completely included their corresponding uncertainties.These performances satisfy the engineering application.
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备注/Memo
收稿日期:2020-02-28; 修回日期:2020-03-23
基金项目:甘肃省科技计划资助项目(18JR3RA412)
作者简介:张雪儿(1992—),女,博士,研究领域为空间电推进
更新日期/Last Update:
2020-10-20