非线性系统的故障诊断是该领域的热点与难点问题。
The diagnosis in the nonlinear systems is the hot and difficult subject in this field.
该法以电路的改进节点方程为基础,具有建立故障诊断方程容易,所建立的方程具有较低的非线性度及规则的雅可比矩阵的特点。
This method based on modified nodal approach is easy to set up the fault diagnosis equations and has lower degree of nonlinearity and regular Jacobi matrix form.
基于网络分析中置换定理的思想,本文提出了一种适用于非线性电路有容差情况下,模拟电路子网络经故障诊断的新方法。
Based on the idea of substitution theorem, this paper presents a new fault diagnosis method of subnetworks in tolerance analog circuits, and it is applicable to nonlinear large net works.
讨论了一类含有状态和输入未知参变量的非线性系统的故障诊断问题。
The fault diagnosis problem for a class of nonlinear systems with unknown parameters in both states and inputs is discussed.
提出了一种基于节点电压非线性优化模型的变电站接地网故障诊断方法。
This paper proposes a fault diagnosis method for grounding grid based on nonlinear nodal voltage optimization model.
针对一类非线性不确定离散动态系统,提出了一种新型鲁棒故障诊断方法。
A new method of robust fault diagnosis for a class of nonlinear discrete dynamic systems with uncertainties is proposed.
研究了基于不确定信息理论的非线性系统综合故障诊断方法。
A comprehensive fault diagnosis approach on nonlinear systems is studied by using uncertain information theory.
提出了一种非线性模拟电路故障诊断新方法。
A novel method for fault diagnosis in nonlinear analog circuit is developed.
提出一种基于非线性电路频域核分析和神经网络的故障诊断方法。
A fault diagnosis method based on frequency-domain kernel analysis in nonlinear circuit and neural network is presented.
基于未知输入观测器设计和等价控制的概念,讨论了一类非线性系统传感器故障的鲁棒故障诊断问题。
Based on the unknown input observers and the concept of equivalent control, this paper considers the problem of robust fault diagnosis of sensor faults in a class of nonlinear systems.
本文涉及的是具有不可测节点的非线性电路的有限故障诊断问题。
This paper deals with the limited-number-fault diagnosis of nonlinear circuits with unaccessible nodes.
提出一种基于核规范变量分析(KCVA)的非线性过程故障诊断方法。
A new method based on kernel canonical variate analysis (KCVA) is proposed for nonlinear process fault diagnosis.
该研究为非线性运动系统的在线监测、故障诊断和状态预测开辟了有效途径。
The research can be generalized to any nonlinear dynamical system and gives a new approach for monitoring condition, fault diagnosis and prediction online.
STF已经在非线性系统时滞估计、故障诊断与容错控制方面取得了很好的效果。
Now the STF has achieved satisfactory results in the joint estimation of time-delay and parameter, fault diagnosis, fault -tolerant control in nonlinear systems.
提出一种新的基于神经网络多步时序预测的非线性系统故障诊断方法。
A new approach to fault diagnosis of nonlinear systems, which USES multistep prediction of time series based on neural network, is presented in this paper.
针对汽车发动机振动信号的非线性特点,将分形理论应用于发动机的故障诊断。
By researching the characteristic of automobile engine, the fractal theory was used to diagnosis the fault of engine.
由于实际工程中非线性和建模不确定性广泛存在,近年来非线性系统的鲁棒故障诊断受到广泛关注。
Due to the universal existence of nonlinearities and model uncertainties in practice, robust fault diagnosis of nonlinear systems has received much more attention in recent years.
目前,对非线性动态系统故障诊断的研究越来越深入,产生了多种新方法和新理论。
The research of fault diagnosis for nonlinear dynamic systems is more and more in-depth. A variety of new methods and new theory is produced.
本文提出一种非线性直流电路故障诊断的有效算法。
An efficient algorithm for fault diagnosis of nonlinear d. c. circuits is presented in this paper.
提出了一种采用自适应技术来实现对动态系统中非线性执行器故障诊断的新方法。
This short paper presents a novel solution to the fault diagnosis of nonlinear actuators in known deterministic dynamic systems.
提出了一种基于最小二乘支持向量机(LSSVM)非线性观测器的卫星姿态控制系统故障诊断方法。
A fault diagnosis method for satellite attitude control systems is presented based on least squares support vector machine (LSSVM).
给出了一种非线性系统传感器的故障诊断方法。
A new approach to the sensor fault diagnosis of nonlinear systems is presented.
给出了非线性系统的一种基于模糊奇偶方程的多故障诊断方法。
A new method for multiple faults diagnosis of nonlinear systems based on fuzzy parity equation was presented.
该方法将一组改进的鲁棒观测器与一个为其确定参数的动态神经网络相结合,对非线性系统进行故障诊断。
A compound approach with a set of improved robust observers on fault diagnosis on nonlinear system, with a dynamic neural network deciding parameters, is illustrated with an instance of 3-tank model.
针对一类非线性系统给出一种基于学习方法的突变故障诊断方法,设计了一个观测器,以此来检测、辨识和诊断一类非线性系统动态系统的故障。
A diagnosis method on abrupt faults of nonlinear system in learning approach is provided by a detector which is designed to detect, identify and diagnose the faults in the dynamic nonlinear system.
基于非线性谱分析的故障诊断是一种新的故障诊断理论。
The fault diagnosis based on nonlinear spectral analysis is a new fault diagnosis theory.
通过具体的碰摩故障诊断实例,对比分析了经典线性方法的局限和多尺度非线性方法的优势。
Based on the specific diagnostic cases of impact-rub fault, the limitation of classical linear method and the advantage of multidimensional method are analyzed by comparison.
在不同噪声环境下,对基于EKF、UKF和PF的非线性随机系统的故障诊断方法进行了比较研究。
In various noise environments, the comparative studies have been carried out on the fault detection and diagnosis for nonlinear stochastic systems with EKF, UKF and PF, respectively.
针对板带轧机液压agc系统在线故障诊断问题,建立了一种基于非线性自回归滑动平均模型NARMA的递归神经网络,通过AIC定阶法确定模型阶次。
For on-line fault diagnosis of hydraulic AGC system on strip rolling mill, a recursive neural network model based on NARMA was established. The model order is determined by AIC method.
针对板带轧机液压agc系统在线故障诊断问题,建立了一种基于非线性自回归滑动平均模型NARMA的递归神经网络,通过AIC定阶法确定模型阶次。
For on-line fault diagnosis of hydraulic AGC system on strip rolling mill, a recursive neural network model based on NARMA was established. The model order is determined by AIC method.
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