热电阻传感器、电桥电路、单电源运放、单片计算机、动磁线圈依次电连接;
The thermal resistance temperature sensor, the electric-bridge circuit, the single power supply op amp, the monolithic computer and the moving magnetic coil are electrically connected in sequence.
运用电磁场有限元方法对动磁式直线电动机电磁场模型求解,磁通分布揭示了电磁力产生机理;
The finite element method was used to optimize the electromagnetic field and reveal the mechanism of motion of moving part.
直流电动机中电枢磁动势的轴线位置是由电刷位置决定的,电刷具有箝位的功能。
In DC motor, the locality of axis of armature MMF was determined by the brush position, here the brush possessed a function of clamping.
事实上,N极边和s极边由相同的励磁绕组励磁,这意味着模型中的磁动势只是实际磁动势的一半。
In fact, however, the N-pole side and the S-pole side are excited through the same field winding, which means that this model shows MMF that is only half the actual value.
另外,用两极之间的电流表示励磁绕组磁动势,对应于各极之间磁场的大小和方向。
Also, MMF of the field winding is represented as electric currents in the gap between poles, with regard to magnitude and direction of magnetic field at respective poles.
动圈式扬声器的磁系统。概念。尺寸。测量方法。
Magnet systems for moving coil loudspeakers; definitions, dimensions, methods of measurement.
针对直流电动机中电枢磁动势的轴线位置由电刷决定的特征,提出了箝位概念,指出自控变频乃是箝位效应的直接后果。
Aimed at the feature that the locality of axis of the armature MMF is determined by the brush in dc motor, a new concept on clamp is proposed.
分析表明测试结果具有可靠性和可重复性,测试特性可以作为磁致伸缩致动器的设计参数。
It is found that the measurement result is reliable and repeated and that the parameters can be used to design an actuator.
对于不同原理的发电机失磁保护误动进行了分析并提出了改进措施。
Lost the excitation protection regarding the different principle generator by mistake moves carries on analyzes and proposes the improvement measure.
利用该算子建立了磁致伸缩作动器的模型,并推导了相应的数值计算公式。
The hysteresis of magnetostrictive actuators is modeled using this operator, and the corresponding numerical formula is presented.
根据等效整距集中绕组与实际绕组产生相等基波磁动势的原则,给出了实际定子绕组与转子绕组的总有效匝数表达式。
Based on the principle that an equivalent full-pitch, concentrated winding gives the same fundamental MMF as the actual one, the effective number of turns of the equivalent winding is obtained.
讨论了如下重要课题:弱非均匀性介质中波的传播方程,湍动加速和磁发电机制。
Important questions are discussed: transport equations of waves through weak inhomogeneous media, turbulent acceleration and magnetic dynamo.
在对电磁驱动微器件进行分类的基础上,详细分析了磁动势控制模型中不同类型电磁微器件的失稳特性。
Based on the classification of the electromagnetic actuated micro-devices, the instabilities of different kinds of electromagnetic micro-devices were analyzed under MMF-controlled models.
设计了一种以柔性铰链为运动副,磁致伸缩作动器为驱动支杆的并联微动机构。
A type of parallel micromanipulator with flexible hinges as the motion pair and magnetostrictive actuator as the driving rod is designed.
该方法以故障前后定子侧产生恒定磁动势为原则,对定子侧电流进行补偿。
The method compensates the stator current in the fault state in order to keep the magnetomotive force as that in normal state.
本文阐述了三相异步电动机延边三角形接法多路并联进线时磁动势不平衡的原因,并提出了相应的预防措施。
The paper expatiates on the reason of unbalanced magnetic motive force and its preventive measures for asynchronous motor with multipath extended delta connection.
本文给出了两种结构的可用于接触器、断路器及混合式电路的直动式极化磁系统,分析了其工作原理,并根据其等效磁路对其进行了计算。
The paper presents two kinds of the straight type polarized magnetic system that can be used in contactor, breaker and hybrid electrical appliance, and analyzed the working principle.
研究地磁场环境中钢试件在动拉伸载荷作用下表面弱磁信号的变化以及磁记忆效应。
Weak magnetic signal changes and metal magnetic memory effects of steel tensile samples under the excitation of geomagnetic field were studied.
磁致伸缩材料作动器是一种具有特色的机敏材料作动器。
Magnetostrictive actuator is a kind of smart actuators with special features.
但由于该系统是磁通开环控制的,因此,系统动、静态性能对参数变化较敏感。
But its open loop compensation technique makes the dynamic and steady performances parameter sensitive.
HS y场系统中的磁动势是由永磁和直流励磁相互作用而产生。
Magnetomotive forces in the HSY field system are produced by combined action of permanent magnets and dc field winding.
此外,实验条件的落后已成为影响超磁致伸缩致动器应用研究的重要因素之一。
Moreover, the backwardness of experimental conditions has become one important factor that affect the application of giant magnetostrictive actuator.
本文对梯形动铁分磁半开式弧焊变压器的工作原理及特点进行了分析。
In the article are analyzed the operating principle and the features for the welding transformer with the semi-opened winding and the ladder-shaped moving shunt.
本文简述了激光动光弹全息摄影及磁光旅光器的应用。
In this paper, laser holography on the photoelasticity of shock load and application of magneto-optic effect rotator is surveyed.
测量和记录磁致伸缩的设备包括电阻应变片,动 态应变仪和计算机采集系统。
The equipment to measure and record magnetostrictive includes the resistance strain slice, the dynamic strain device and the computer acquisition system.
由于励磁涌流的多变性和不确定性,给基本故障的识别造成困难,因而出现保护误动。
Polytrope and uncertainty of exciting surge make it difficult to identify from faults which result in malfunction of protection.
摘要:对磁动式测氧仪的测量池、光路和数据采集系统进行了研究。
Abstract: Research is done on the measuring cell, light path and data acquisition system of a magnetomotive oxygen measuring instrument.
摘要:对磁动式测氧仪的测量池、光路和数据采集系统进行了研究。
Abstract: Research is done on the measuring cell, light path and data acquisition system of a magnetomotive oxygen measuring instrument.
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