文章介绍了开发发动机试车数据库的难点和需求,本数据库的结构、功能与特点等。
This article introduces the difficulty and demand of development of test-drive database of engine, and the structure, function and characteristics of this database, etc.
某型发动机试车数据库的开发提高了发动机的试车效率,保证了试车数据的安全性和一致性。
The development of engineering database for aeroengine test has improved the efficiency of aeroengine test and ensured veracity and security of aeroengine test.
本文结合WS9发动机试车数据库,对航空发动机试车数据库的数据挖掘技术应用作了尝试性的研究。
In this paper, data mining techniques were introduced to investigate the test-driving database of WS9 aero-engines.
本文研究结果展示了数据挖掘方法在发动机试车领域广阔的应用前景,数据挖掘技术用于发动机试车数据库是切实可行的。
The results show that data mining techniques have an extensive application prospect and it is feasible to employ data mining techniques for analyzing aero-engines test-driving database.
仿真系统中的发动机数学模型是用一系列小偏差线化模型去逼进某一实际发动机的试车数据而得到的。
The engine mathematical model in the simulation system is obtained by approximation of testing data of an actual engine with a series of small deviation and linearized models.
在本文中讨论了航空发动机试车自动数据采集和处理系统的设计和实现。
In this paper, the design and the implementation of automatic data acquisition and processing system for the aeronautic engine testing are described.
本文利用某型涡扇发动机高空模拟试车台的试验结果,选取其中3次左边界起动试验的数据,着重对该发动机的风车起动点火特性进行了分析。
Using the available data from 3 starts in simulated altitude tests, the windmilling start ignition characteristic of a turbofan engine was analyzed in this paper.
介绍了科氏力质量流量计的原理及其在凝胶发动机试车中的应用,并对热试车的测量数据进行了分析。
The principle of coriolis force mass flowmeter and its application in gelled propellant rocket engine test are introduced, results of the test are also analyzed.
试车数据验证结果表明,该方法能及时、准确、有效地检测发动机稳态过程的故障。
The results show that the method can detect the faults occurred in the steady-state process of LRE efficiently and accurately.
本文还讨论了整台发动机台架试车的参数测毽力法,根据流场特点合理布置测点,适当处理数据,获得较精确的发动机平均参数等方面的问题。
Accurate average parameters of engine can be obtained through proper layout of measuring points and appropriate data processing according to the features of the flow fields.
对某大型液体火箭发动机的热试车数据及通过发动机模型仿真得到的故障数据进行动态时间弯曲分析,得到弯曲路径集,然后结合决策树方法进行了故障检测和诊断。
Through dynamic time warping analysis to the hot-fire test data and simulated fault data of a certain liquid rocket engine, the warped path sets were obtained.
根据发动机试车大纲的要求,结合当前先进的计算机技术,实现用户界面与数据库端的数据共享、调用;
To implement the data sharing and calling between the user interface and database, under the requiring of the test run, and combined with the current advanced computer technology.
通过转子试验平台实时数据和液体火箭发动机历史试车数据,验证了TP-FDS。
Then, with the help of historical data from LRE test as well as real-time data from rotor test platform, the TP-FDS was validated.
为此对某型航空发动机的离散试车数据点进行了多元高次多项式拟合,建立了该型号发动机的稳态特性曲线。
While the discrete test run data of an aero-engine was adapted using the high order multi-parameters polynomial fit method, the steady characteristic curves were founded.
航空发动机试车计算机辅助试验系统中开发三分钟事件记录与回放功能可以为事后的分析提供数据依据。
The function named 3-minitue events recording and replaying in computer-aided test system for aeroengine test is able to offer data for analysis afterwards.
航空发动机试车计算机辅助试验系统中开发三分钟事件记录与回放功能可以为事后的分析提供数据依据。
The function named 3-minitue events recording and replaying in computer-aided test system for aeroengine test is able to offer data for analysis afterwards.
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