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性能诊断
相关语句
  performance diagnosis
     Control System Performance Diagnosis:Higher-order Statistics Method
     控制系统性能诊断—高阶统计量方法
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     Performance diagnosis and management optimization system for thermal power units based on real-time database
     基于实时数据库的火电机组性能诊断与优化管理系统
短句来源
     The Application of Support Vector Machines to Gas Turbine Performance Diagnosis
     支持向量机在燃气涡轮性能诊断中的应用(英文)
短句来源
     Intelligent performance diagnosis of aeroengine with sensor measurement bias
     传感器测量偏差下的航空发动机智能性能诊断
短句来源
     An estimation of the diagnosis effectiveness of RSM is made by use of computer simulation method for JT9D engine overall performance diagnosis, and a practical test for RSM by use of 24 fault samples of JT9D engine is also conducted .
     以JT9D发动机全面性能诊断问题为例,利用随机模拟样本对随机搜索模型的诊断有效性进行了评估,并且利用JT9D发动机的24个实际故障样本对随机搜索模型进行了检验。
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  “性能诊断”译为未确定词的双语例句
     Study and application of diagnosis-evaluation technology for heat-insulating property of thermal generating unit
     火电机组保温性能诊断评估技术的研究及应用
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     THE APPLICATION OF TRACKING DATA TECHNOLOGY OF SQL EXTENSION TO DIAGNOSING DATABASE FEATURES
     扩展SQL跟踪数据技术在数据库性能诊断上的应用
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     Development of Kalman filter and genetic algorithm for aero-engine performance diagnostics
     基于卡尔曼滤波器和遗传算法的航空发动机性能诊断
短句来源
     The diagnosis of database features has remained a hot topic in the field of database research.
     数据库性能诊断一直是数据库研究领域的一个热点。
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     Colonic Motility Diagnosis Based on Colonic Pressure
     一种基于结肠压力的结肠动力性能诊断方法的研究
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  相似匹配句对
     Diagnostics?
     诊断
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     Performance test and fault diagnosis of mine hoisting gear
     提升机系统性能测试及故障诊断
短句来源
     Performance Diagnosis Reaches New Heights
     机床性能诊断达到新水平
短句来源
     Electromagnetic Interference and Diagnostic
     电磁干扰及诊断
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     Plant Performance
     设备性能
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  performance diagnosis
These parameters can then be used to carry out performance diagnosis of the corresponding stage, or as input data for existing analysis methods to evaluate the production performance of flow lines.
      
The second section applies those analytical models to line production performance diagnosis, injecting input data from a real case study into the models.
      
Additionally, mountaineering-specific performance diagnosis allows individual as well as group-specific determination of exercise performance related to field conditions.
      
Quantitative performance diagnosis (QPD) provides explanations that quantify the impact of problem causes.
      
This paper describes GAP, a general approach to quantitative performance diagnosis.
      
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  performance diagnoses
GAP has two parts: (1) an algorithm for computing quantitative performance diagnoses; and (2) a framework for constructing diagnostic techniques that provides the basis for quantifications produced by the algorithm.
      


This paper presents the analysis of the relationships between vehicle brake performance and relative factors, such as the growth and variation of the brake force on each wheel, and brake time of each wheel during braking, by means of brake performance diagram obtained from both road and bench tests. Parameters used for brake performance diagnosis are also discussed.

本文通过汽车路试和台试测得的制动过程特性图,分析了汽车制动过程中各个车轮制动力的增长、变化以及各车轮制动时间等因素与汽车制动性能的关系,阐述了汽车制动性能的诊断参数.

Based on the principle of analyses first and synthesis second, this paper presents a perfor- mance diagnostic method for turbine governing system, which uses the mathematical model-based parametric identification of dynamic process to determine the characteristic parameters of each links and then to make the integral synthesis by systematic simulation. The structure and principle of the diagnosing device for turbine governing system are briefly described, such as systematic excitation, signal detection, parametric...

Based on the principle of analyses first and synthesis second, this paper presents a perfor- mance diagnostic method for turbine governing system, which uses the mathematical model-based parametric identification of dynamic process to determine the characteristic parameters of each links and then to make the integral synthesis by systematic simulation. The structure and principle of the diagnosing device for turbine governing system are briefly described, such as systematic excitation, signal detection, parametric identification, etc.

根据先分析后综合的思想,本文提出了由基于数学模型的动态过程参数辨识检测各环节特性参数,系统仿真技术作整体综合的调速系统性能诊断方法。文中概要地介绍了调速系统性能诊断装置的系统激励、信号检测、参数辨识等硬软件结构与原理。

Abstrac: A distribution function model (DFM) of integrated optimization algorithm for resolving underdetermined jet engine fault equation is presented in the paper. The DFM is a non-linear mathematical programming problem which is formed by the objective function (the weighted square sum of the so-called distribution function able to control the variable value distribution in integrated solution and the residual square sum of the fault equation) and the constrained condition determined by the criterion of reasonableness...

Abstrac: A distribution function model (DFM) of integrated optimization algorithm for resolving underdetermined jet engine fault equation is presented in the paper. The DFM is a non-linear mathematical programming problem which is formed by the objective function (the weighted square sum of the so-called distribution function able to control the variable value distribution in integrated solution and the residual square sum of the fault equation) and the constrained condition determined by the criterion of reasonableness in physics.The DFM can give overall fault diagnosis information in the case of the fault number (the number of fault patterns happening simultaneously) being less, equal or even greater than the number of fault equations, thus providing a practical method for resolving the difficult technical problem of the overall engine performance diagnosis with inadequate measurements. In addition, a concept of similarity degree to estimate the efficiency of overall engine performance diagnosis is presented for the first time and, taking the JT9D engine overall performance diagnosis as an example,the similarity degree value of the DFM is determined by making use of Monte Carlo random simulation. As shown by the result of the study, the similarity degree can reach an encouraging value of greater than 0.90. A test of the DFM is also ma.de in the paper by making use of a JT9D fault sample.

提出了求解发动机亚定故障方程组整体优化解的分布函数模型.该模型利用一种可以控制自变量数值在整体解中分布的分布函数与亚定故障方程组的残差平方和构成复合目标函数,同时以物理合理性准则作为约束条件,构成一个非线性规划问题.分布函数模型可以在小于、等于特别是大于故障方程个数的各种复杂情况下给出全面的故障诊断信息,从而为目前迫切需要解决的发动机性能监控与故障诊断中在测量参数不足的情况下,对发动机进行全面性能诊断的技术难题提供出一种切实可行而又十分有效的数学模型.首次提出了作为评价发动机全面性能诊断算法有效性指标的相似度的概念,并且以JT9D发动机全面性能诊断问题为例,利用Monte Carlo随机模拟方法确定了分布函数模型可以达到的相似度值.研究结果表明,分布函数模型的相似度可达0.9以上.还利用JT9D发动机的实际故障样本对分布函数模型进行了检验.

 
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