fault threshold
英 [fɔːlt ˈθreʃhəʊld]
美 [fɔːlt ˈθreʃhoʊld]
网络 故障门限; 故障定限
双语例句
- Intelligent Fault Diagnosis of Rolling Bearing Based on Wavelet Threshold Filtering and Neural Networks
基于小波阈值滤波和神经网络的滚动轴承智能化故障诊断 - A Scheme of Adaptive Fault Component Distance Protection Using Float Threshold
一种采用浮动门槛的自适应突变量距离保护方案 - The fault occurs if the difference between them equals or exceeds the threshold. Robustness, sensitivity and stability are analyzed.
同时详细地分析了该方法的鲁棒性、灵敏性和稳定性。 - A fault threshold expressed in terms of the number of faults in a prescribed period of time.
我的季票使我在指定的时间随便乘多少次车都行。 - Residual signal is obtained by using an unknown input observer, sensor and actuator's fault can be detected and isolated. The rules for the choice of threshold in the design procedure are also given.
通过对系统设计未知输入观测器，利用观测的状态得到残差方程，从而诊断出时滞系统的故障，并能对传感器故障和执行器故障进行分离，最后给出故障诊断系统阈值的选取原则。 - The key process and the ways of threshold determination of robust fault detect are studied. One of methods of constant threshold determination and adaptive threshold determination are given.
研究了鲁棒故障检测的关键步骤和门限确定方法，给出了常值门限和自适应门限的一种初步确定方法。 - This paper proposes a noise evaluation based adaptive fast distance relay protection, that evaluates the error of filter algorithm by real-time detecting the noise level of fault signal, and adapts the action threshold of distance relay according to the error, to get the best action speed.
提出了一种基于噪声估计的自适应快速距离保护，通过实时检测故障信号的噪声水平来估计滤波算法的误差，并根据误差大小自动调整距离保护的动作门槛，以此获得最佳的动作速度。 - The paper studies experimentally ANN-based robust fault detection for an hydraulic servo control system, presents an adaptive threshold logic and intensifies the robustness and sensitivity using it.
实验研究了基于ANN离线学习在线检测的故障诊断方式的某实物液压舵机（伺服系统）的鲁棒故障检测。通过提出的自适应阈值来提高故障检测系统的鲁棒性和敏感性。 - Robust Fault Detection for Hydraulic Servo System Using Disturbance Compensation and Adaptive Threshold
基于干扰补偿和自适应阈值的鲁棒故障检测 - It shows that: Face with the dormant fault, the system has ( n, t) threshold security and usefulness.
结果表明：对于静态错误容忍，系统在安全性和可用性方面均为（n，t）门限。 - Based on the network analysis and the principle of branch screening, tolerance's effect on terminal performance is analyzed and calculated. Under the full consideration of fault and tolerance's effect, a fault threshold function and a fault criterion are proposed and applied to fault detection.
基于网络分析与支路屏蔽的原理，分析计算了容差对端口特征量的影响，据此提出了故障阈值函数与故障判据，以实现容差电路的准确故障检测。 - Based on this model, the method of sensor error revising is presented, and fault alarm is applied when error is over the threshold.
基于此模型，给出了传感器误差校正的具体方法。当误差超出给定界限时，给出故障报警。 - The optimal number of sensors is computed under the set system reliability. The sensors 'fault decision making logic and threshold parameters are determined while their fault process and patterns are discussed.
计算了加速度检测系统在给定可靠性下的最优并联传感器数，针对传感器的失效过程和形式，确定了传感器故障的决策逻辑和故障判断的门限参数。 - An approach, which is based on the measurement model, used to detect fault in navigation systems is discussed in this paper. The parity detection method is introduced to the fault detection of navigation systems and its threshold is also determined.
讨论了基于测量模型的、用于检测导航系统故障的一种检测方法，将一般的奇偶检测法运用到导航系统的故障检测问题上，并讨论了检测门限值的确定。 - Adaptive tracker is designed and track fault if difference between system output and estimated output equals or surpass threshold.
构建自适应跟踪器，若系统实际和估计输出偏差等于或大于阈值，开始跟踪故障； - Through theoretical analysis and proved that the project can be applied to the actual transformer fault diagnosis and the method of calculating the threshold can be applied to the fault diagnosis.
通过理论的分析和证明，提出了能应用工程实际的变压器故障诊断流程，并从理论上给出了可应用于故障诊断的阈值。 - Meanwhile a fault discriminant method for threshold vector is employed, which makes fault discrimination even more flexible.
并以无刷直流电机系统为对象，将该方法应用于系统的故障诊断，仿真结果表明，该方法是行之有效的。 - By monitoring accessible node voltages, fault on-line detection is performed based on the proposed fault threshold function and fault criterion.
通过监测可测点工作电压利用所构建的故障阈值函数与故障判据来实现容差电路的故障在线检测。 - Fuzzy control relationship is set up to form its membership function and determine its fault discrimination threshold.
用Fuzzy控制建立了相应隶属函数，确定了故障判别阈值。 - The relationship between the residual and model uncertainty, noise, control input and fault was researched, and an adaptive threshold method based on L2-norm of signal and H ∞-norm of syatem was given.
建立了残差与模型不确定性、噪声、控制输入、故障之间的关系；提出了基于信号L2范数与系统H∞范数的鲁棒自适应阈值设计方法； - For with the power grid line load asymmetry lead to asymmetry run, set the zero-sequence voltage fault threshold □, as the basis to determine the neutral point non-effectively grounding system with or without a small current failure.
针对配电网线路负载不对称导致不对称运行的情况，设定线路零序电压故障阈值ε，作为判断中性点非有效接地系统有无小电流故障的依据。 - Making the conventional threshold analysis combine with operating conditions and abnormal events of HTGS, the method for real-time fault prewarnings based on the dynamic threshold is studied, whose application examples in the fault prewarning of the transformer are introduced.
将传统的阈值分析与机组运行工况、异常事件相结合，研究了基于动态阈值的实时故障预警方法，并介绍了该方法在变压器故障预警方面的应用实例。 - Because the current of the series arc fault is usually lower than the action threshold of traditional protection devices and its dispersion, the series arc fault has become the main cause of the electrical fire.
但对于串联电弧故障，由于其电流值通常低于传统保护装置的动作阀值且具有分散性，成为引发电气火灾主要诱因，因此，已成为该领域国内外研究的重点问题之一。 - Analyzing the two types fault in this arithmetic, discussed and deduced the threshold probability when the misdiagnosis probability was least.
分析了在该算法下两类错误的概率，探讨了在最小误诊率的情况下，阈值概率的最优化问题，并推导了其计算方法。 - Finally, a state probabilistic model is established to determine the anomaly threshold and fault threshold. The model using the historical operating data, is a dynamic adjustment process, can reflect the running state of equipment.
最后，建立了状态概率模型进行指标异常阈值与故障阈值的划分，该模型建立在设备的历史运行数据之上，是一个动态调整的过程，能较好的反映设备的运行状态。 - According to the standard whether confusing with engineering accident, the system divides the sensor fault into two types, and supplies two different solutions, which are threshold value method and sensor association.
根据是否与工程事故易混淆的标准，系统将传感器故障分为了两类，同时给出了阈值法和传感器关联法两种不同的解决方案。 - In first time, the relationship between probability of detection and probability of fault to SNR, contrast and detecting threshold is derived in the assessment of detecting result.
在检测效果评估方面首次推导了检测概率、虚警概率与信噪比、对比度和检测门限之间的关系。 - The main work and innovation of the paper are listed as below: 1. Against the problem of fault feature signal extraction, the commonly used wavelet threshold de-noising methods and steps are put forward based on the basic principles of wavelet de-noising.
论文的主要工作与创新有：1.针对故障特征信号的提取问题，基于小波去噪的基本原理，给出了常用小波阈值去噪方法与步骤。 - For example, three-ratio method is currently widely used in China. But there are two shortcomings to use the three-ratio method as a criterion of transformer fault diagnosis. The shortcomings are coding defect and threshold criterion defect.
例如，我国当前大量应用的三比值法，三比值法作为变压器故障诊断的判据存在两方面的不足，即所谓编码缺损和临界值判据缺损等。