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- The leak of Liquid Rocket Engine (LRE) is very common and dangerous. 液体火箭发动机的泄漏是常见和极其危险的故障。
- Because the combustion mode between oxidizer and solid fuel is in particular, HRM is different from SRM and LRE. 由于氧化剂和固体燃料的组织燃烧方式不同，使得固液火箭发动机工作过程与固体、液体火箭发动机有很大的区别。
- The integrity test of Liquid Rocket Engine (LRE) must be carried out before its launch. 在液体火箭发动机发射前，必须进行完整性试验。
- The study may be helpful for fault diagnostics of the start up of liquid rocket engine (LRE). 为液体火箭发动机启动过程的故障诊断提供参考依据。
- The thrust chamber of the LRE works under the condition characterized by high pressure and high temperature. 液体火箭发动机推进室里的工质工作在高温高压环境下，可靠的冷却是保证其安全工作的关键技术之一。
- Based on system analysis of LRE, OOP technique and powerful finite elements analysis software ANSYS, a CAD system has been set up. 较系统地分析了再生冷却式液体火箭发动机推力室设计CAD系统的组成和框架,以面向对象技术和集成的大型有限元软件ANSYS二次开发技术为基础建立系统。
- The analysis of LRE historical test data showed that the algorithm has a high training efficiency and can detect the faults of the LRE turbopump. 对火箭发动机涡轮泵试车数据分析的应用结果表明，该算法具有很高的训练效率，检测结果良好。
- Reliable cooling is one of the most key technologies to insure the LRE working safely and protect the chamber wall from burn up. 液膜冷却作为一种重要的辅助冷却方式，由于其良好的冷却效果和相对简单的通道结构，在液体火箭发动机的推进室中得到了广泛应用。
- Firstly,besides the correlation of different knowledge,the concept and the types of LRE diagnosis knowledge are systematically described. 主要研究内容包括：系统阐述了发动机诊断知识的概念、类别和相互关系；
- It is an important and basic issue to choose monitoring parameters of Liquid propellant Rocket Engine (LRE) monitoring system in ground test. 摘要确定监测参数是液体火箭发动机地面试验监控系统的一个重要而基础的问题。
- For all of these reasons, it imminently asks for developing a kind of advanced professional design tool with high integration in order to improve the design level of LRE. 因此,现实迫切需要研究和开发一个专业的、集成度高的设计平台,丰富液体火箭发动机的设计手段,提高设计水平。
- By analyzing the working characteristics of the liquid rocket engine, strategies of applying data mining from the point of view of the data warehouse for FDD of LRE are proposed. 分析表明,聚类、类、联、间序列分析和孤立点检测等数据挖掘方法适用于液体火箭发动机的故障检测和诊断。
- Primary research results show that such data mining methods as clustering, classification, association, time-series analysis and outlier analysis are feasible in the FDD of LRE. 分析表明,聚类、类、联、间序列分析和孤立点检测等数据挖掘方法适用于液体火箭发动机的故障检测和诊断。
- A physical model of the automatic control system of a pump-fed Liquid Rocket Engine (LRE) is constructed, for which a nonlinear mathematical model is built. 摘要以能多次启动的某泵压式液体火箭发动机的自动控制系统为研究对象，构造了液体火箭发动机自动控制系统的物理模型，并对其建立了非线性的数学模型。
- I t h as A lre a dy b e en. 留 卜 住，就 任 它 去 吧。曾 经 那 么 的 爱， 如 今 还 不 是 分...
- An adaptive threshold algorithm consisting of two stages based on autoregressive model was presented for monitoring the steady process of Liquid Propellant Rocket Engine(LRE) in ground test. 提出一种基于自回归模型的自适应阈值检测算法用于监测液体火箭发动机地面试验的稳态过程,该算法由两个阶段组成。
- The manifestations of parameters are extracted from the simulated fault data for 16 common fault modes,these manifestations are used to establish the set cover model of multi faults diagnosis for liquid rocket engine(LRE) system. 通过从故障仿真数据中提取常见故障的效应参数症状 ,建立发动机的集合覆盖多故障诊断模型。
- This paper summarizes the leak detection techniques of LRE,which are classified into groups and considered in details.Finally,several prospects of the leak? detection techniques are presented. 本文对液体火箭发动机的泄漏故障检测方法进行了综述，对已用于或可能用于液体火箭发动机检漏的技术进行分类和详细评述，指出了液体火箭发动机检漏技术的几个发展方向。
- To deal with the lack of fault samples in the fault detection of a Liquid Rocket Engine (LRE) turbopump, a detection model based on one-class support vector machines (OC-SVMs) was founded. 摘要针对在火箭发动机涡轮泵的故障检测过程中缺乏故障样本的问题，应用单类支持向量机，为高速涡轮泵试车数据分析建立了一种新异类检测超球模型。
- And a multi-layer high speed training strategy was proposed for the improvement of training efficiency.The analysis of LRE historical test data showed that the algorithm has a hig... 对火箭发动机涡轮泵试车数据分析的应用结果表明,该算法具有很高的训练效率,检测结果良好。
