准确计算永磁漏磁导可以有效提高等效磁路法计算精度。
The accuracy of equivalent circuit method can be effectively improved if the calculation of PM leakage permeance is accurate.
它封闭性能好，无磁漏现象，工作稳定且成本低，适用范围。
The magnetic steel has the advantages of good enclosing performance, no magnetic leakage phenomenon, stable work, low cost and wide application range.
在介绍漏磁检测原理的基础上，详细论述了利用有限元法分析缺陷信号的方法以及利用ANSYS对漏磁信号的仿真过程和仿真结果，并对结果进行分析。
On the base of introducing the principle of the magnetic flux leakage (MFL) detection, the finite element method based on ANSYS used to simulate and analyze the MFL signal is presented.
介绍检测无损压缩的目的、应用以及针对管道漏磁检测数据的一种检测无损压缩方法。
The aim and application of diagnostically lossless compression and the data compression method for magnetic flux leakage (MFL) inspection of pipelines were introduced.
模拟损伤发生时的漏磁信号，与没有发生任何损伤时的检测信号进行对比。
The signal of magnetic flux leakage is calculated when damage occurs at the wall of the pipeline.
介绍基于A3515霍尔元件的交变漏磁检测系统的设计，包括检测系统的组成和测试方法。
The alternative magnetic flux leakage testing system based on A3515 Hall element was introduced, including its composition and operation.
在采用漏磁法对输油管道进行无损检测过程中，信号会受到各种噪声的干扰。
There are varying noises in output signal obtained from magnetic flux leakage nondestructive testing of oil pipeline.
探讨了漏磁检测在常压储罐罐底腐蚀缺陷检测中的应用。
Application of magnetic flux leakage (MFL) testing to the detection of corrosion in atmospheric storage tank floor was studied.
本文研究了基于反演技术的漏磁信号分析方法，采用反演技术实现缺陷轮廓参数的评估。
Third, inversion methods of signal processing are studied to identify defects from magnetic flux leakage testing data.
本文探讨了漏磁方法在常压储罐罐底腐蚀缺陷检测中的应用问题。
This paper discusses the problem of the Magnetic flux leakage as to applied to atmospheric storage tank flat bottom tank floor corrosion inspection.
通过分析漏磁场的狭缝效应，并借用已有物理模型，探讨磁粉探伤原理模型和应用范围。
By analysis of magnetic leakage effect, discusses magnetic powder detection principle and application range, borrowing physical module.
简要叙述漏磁探伤的基本原理，介绍它的控制系统硬件结构，技术参数和具体功能。
The article describes the basic principle, control hardware configuration, technical parameter and function of flux leakage test.
漏磁无损检测普遍用于铁磁材料的无损检测中，是近年来输油管道检测中常用的一种有效方法。
Magnetic flux leakage (MFL) nondestructive evaluation commonly used in the nondestructive evaluation of ferromagnetic material is an efficient method in inspection of oil pipelines in recent years.
在此基础上介绍一种由电磁分钢、涡流探伤、漏磁探伤及超声测量组成的钢管在线组合检测技术及其应用结果。
An online combined NDT technology is introduced, which composed of electromagnetic identification of materials, eddy current and magnetic flux leakage testing and ultrasonic measurements.
我们以FPGA作为新型管道漏磁检测器的系统控制核心，对基于FPGA的管道漏磁检测控制系统进行了研究与设计。
We regard FPGA as control's core of new-type pipeline magnetic flux leakage detecting system, research and design control's core of pipeline magnetic flux leakage detecting system based on FPGA.
在采用漏磁法对输油管道进行无损检测过程中，信号会受到各种噪声的干扰。
There are varying noises in output signal obtained from magnetic flux leakage (MFL) nondestructive testing of oil pipeline.
采用漏磁法对炮管进行无损检测时，漏磁信号中含有噪声。
When magnetic flux leakage (MFL) means is employed in nondestructive evaluation of gun muzzle, MFL signal contains noises.
根据最新力磁理论，使用微型霍尔探头对R3碳钢进行漏磁检测。
According to the lately force magnetic theory, tiny Holl probe was used to practice magnetic flux leakage (MFL) testing on R3 middle-carbon steel.
目前常用的基于漏磁原理的裂纹检测和基于超声波原理的裂纹检测是在役管道检测主要的研究方向。
At present based on the current common principles were magnetic ultrasonic flaw detection and based on the principles of service flaw detection in the detection major research direction.
如何研究由于漏磁引起的附加损耗以及在金属构件中的温升是变压器设计的难题。
How to research stray losses and temperature rise on metal parts caused by leakage flux is difficult task for transformer design.
文章在介绍漏磁法无损检测的基本原理的基础上，详述了在役管线无损检测设备的总体结构及各部分的设计。
On the basis of the principle of leaky magnetic flux detecting, the design of the detecting equipment of working pipelines is expatiated including the overall structure and each part.
介绍了漏磁腐蚀检测技术原理及在阿赛输油管道上应用的具体情况。
The article introduces the principle of magnetic leakage detection technology and concrete application condition of it in Arshai oil pipeline.
该传感器可以安装在电动机内端盖处，电机定子与转子端部漏磁都不影响传感器的工作和测量精度。
The sensor can be fixed under the electromotor's end bracket. Leakage flux of motor stator and rotor does not affect the activity and measuring accuracy of the sensor.
提出了一种绝缘拼接式磁性槽楔的结构，分析了这种槽楔对电机的齿谐波、齿间漏磁、涡流的影响。
The paper presents a structure for spliced insulation magnet slot wedge, and analyses its influence on slot harmonic, magnet and eddy current.
同时，利用额定负载时换向极身中的磁通与穿过气隙的总磁通，对换向极漏磁系数进行了计算与分析。
At the same time, leakage magnetic coefficient of commutating pole is calculated and analyzed by magnetic flux in itself and gap at rated load.
本文首先给出石油专用管二维漏磁高速探伤机的工作原理。
The article refers to the oil pipe two - dimension leak - magnetic detector firstly.
交变漏磁检测方法由于兼具涡流检测和传统漏磁检测的特点，对表面缺陷具有很高的识别率。
Alternative magnetic leakage flux method was developed from the eddy current testing and traditional magnetic leakage flux testing, and it was advantageous for surface flaw recognition.
介绍了一种用相对漏磁法推导几种多油道圆筒式绕组的电抗电压的计算方法，并给出了计算实例。
A calculation method of deriving the reactance voltage of multi-oil ducts cylindric winding is introduced by using relative magnetic leakage method. And the calculation examples are given here.
根据油管漏磁无损检测的特点，分析了油管的磁化作用和其中存在的剩磁。
According to the characteristics of tubing-magnetic-leakage detection, tubing magnetization and residual magnet in it are analyzed.
并将此方法应用于漏磁检测中，通过试验，所得结果与实际缺陷相吻合。
In MFL testing introduces this method and denoises the signal, the results are keep accord.
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