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[1]曹 伟,许映乔,魏彦祥,等.嫦娥三号推进系统在轨推进剂耗量计算方法[J].火箭推进,2015,41(01):63-69.
　CAO Wei,XU Ying-qiao,WEI Yan-xiang,et al.Method of onboard propellant consumption calculation for Chang'e-3 propulsion system[J].Journal of Rocket Propulsion,2015,41(01):63-69.
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嫦娥三号推进系统在轨推进剂耗量计算方法

《火箭推进》[ISSN:1672-9374/CN:CN 61-1436/V] 卷: 41 期数: 2015年01期 页码: 63-69 栏目: 研究与设计 出版日期: 2015-04-30
Title:
Method of onboard propellant consumption calculation for Chang'e-3 propulsion system
作者:
曹 伟1; 许映乔2; 魏彦祥1; 郭尚群1; 金广明1
1. 上海空间推进研究所, 上海 201112；2. 中国空间技术研究院，北京 100094
Author(s):
CAO Wei1;  XU Ying-qiao2;  WEI Yan-xiang1;  GUO Shang-qun1;  JIN Guang-ming1
1. Shanghai Institute of Space Propulsion, Shanghai 201112, China 2. China Academy of Space Technology, Beijing 100094, China
关键词:
嫦娥三号;  推进系统;  推进剂耗量计算
Keywords:
Chang’e-3;  propulsion system;  propellant consumption calculation
分类号:
V434-34
文献标志码:
A
摘要:
嫦娥三号推进系统推进剂剩余量是探测器每次变轨前需要确认的重要数据，液体推进剂剩余量计算误差会导致对嫦娥三号探测器质量估计错误，从而导致预期目标与变轨结果发生偏差，需要对轨道进行修正，导致在轨推进剂消耗量额外增大.因此，选择合理的在轨推进剂耗量计算方法是圆满完成嫦娥三号探测器飞行任务的保障。通过比较各种推进剂剩余量测量技术的测量精度、测量可靠性及使用成熟度，同时考虑嫦娥三号推进系统的实际产品配置情况和研制试验情况，嫦娥三号探测器在轨推进剂耗量计算采用加速度计法和薄记法进行综合估算.其中，轨道机动时主要采用加速度计法进行计算，其他时段主要采用薄记法进行计算。飞行试验数据分析表明，该方法有效且精度较高，可以推广应用于空间推进系统在轨推进剂耗量计算。
Abstract:
The liquid propellant surplus in Chang’e-3 propulsion system is an important data for detector to affirm before each orbital transfer. Calculation error of the liquid propellant remaining can lead to mass miscalculation of Chang’e-3 detector, and cause deviation from the expectative target of orbit transfer, and result in an extra increase of liquid propellant consumption due to orbit correction. Therefore, it is very important to select a reasonable calculation method of onboard propellant consumption for Chang’e-3. According to the comparison results of detection accuracy, reliability and maturity of propellant remaining detection technology, the comprehensive estimation with both accelerometer method and bookkeeping method was adopted for liquid propellant consumption of Chang’e-3 after consideration of actual configuration, development and test of Chang’e-3 propulsion system. Accelerometer method is mainly used in orbit maneuver, and bookkeeping method is used for other period. Analysis of the flight test data shows that it is an effective method with high accuracy. This method can be applied to the onboard propellant consumption calculation of space propulsion system.

参考文献/References:

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备注/Memo

收稿日期：2014-07-28；修回日期：2014-09-28 作者简介：曹伟（1981—），男，高级工程师，研究领域为液体火箭发动机系统设计

更新日期/Last Update: 1900-01-01