A new weak DC sensor which is used in measurement of lightning current is introduced.
介绍了一种新型的磁多谐振荡式直流小电流传感器在雷电流测量中应用。
The reliability analysis of DC sensor based on its reliability model is processed, and the methods used to improve the system reliability are presented.
基于可靠性模型对该直流传感器进行了可靠性分析，并提出了改进系统可靠性的措施。
The detection circuit has a major influence on the accuracy and sensitivity of DC sensor based on magnetic potential self-balance and feedback compensation.
在磁势自平衡回馈补偿式直流传感器中，检测补偿回路对系统的精度有很大影响。
Then, in chapter 4 of this thesis, the reliability analysis on the DC sensor based on magnetic potential self-balance and feedback compensation is processed.
然后，本文在第四章对磁势自平衡回馈补偿式直流传感器进行了可靠性分析。
The conclusion is that FEM can estimate the DC sensor magnetic shielding effectiveness of the DC sensor after comparing the tested result with that calculated.
对比分析以上的计算结果和测试结果，可以得出结论：利用有限元法进行磁屏蔽效能计算，对直流传感器的磁屏蔽效能估算具有一定的指导意义。
The DC sensor based on magnetic potential self-balance and feed-back compensation is brought forward based on the research of basic principles about traditional DC transformer and magnetic magnifier.
磁势自平衡回馈补偿式直流传感器是在传统直流互感器、双向磁放大器基本原理的基础上设计出的一种新型的直流大电流传感器。
During the photoelectric conversion process of output signal from optical torque sensor, DC level drift error induced by temperature influence will affect the measuring accuracy of the system.
光扭矩传感器的输出信号在进行光电转换过程中，由于温度影响，造成了直流电平漂移误差，影响系统的测量精度。
An experimental investigation of influencing factors on contact bounce of DC relay by using a high-precision laser displacement sensor was presented.
利用高精度激光位移传感器测量直流继电器触头弹跳的特征参数，通过实验研究其影响因素。
The research of keeping the steady operation of motors under various states of start, normal operation, over load for positionless sensor brushless DC motor is analyzed here.
文章就无位置传感器无刷直流电机的起动、正常工作、过载等状态下如何保持电机稳定运行进行了分析。
While DC current transformer is questionable in locomotive application, the Hall-generator current sensor, on the other hand, appears to be advanced in performance.
文章概述了直流互感器在机车上应用所存在的问题及霍尔电流传感器的优越性能；
The Hall-effect vane sensor is to be primarily used to sense the angle position and the speed of the crankshaft of the automotive engine, in addition to be used in brushless DC motors.
霍尔叶片传感器主要用于检测汽车发动机曲轴位置和转速，此外还可用于检测无刷电机磁极位置及测速等。
Tiny integrated temperature sensor & brushless DC fan controller with over-temperature alert, temp. range 30C.
集成温度传感器和微型无刷直流超温报警，温度风扇控制器。 30摄氏度的范围。
The principle of brushless DC motor the control method with position sensor is introduced, and the control system based on DSP is presented.
介绍了直流无刷电机的工作原理和基于位置传感器的控制方法，提出了基于数字信号处理器(dsp)的控制系统。
It is USES 8051 as core of controlling, the DC motor, infrared sensor and electromagnetic switch combine together mainly to design originally.
本设计主要应用8051作为控制核心，直流电机、红外传感器、磁开关结合的系统。
And then it studies a number of key technologies around the sensor less brushless DC motor control system: Rotor position detection, motor starting and the PWM control technology.
然后分析研究无位置传感器无刷直流电机控制系统的几项关键技术：转子位置检测、启动和PWM控制技术等。
The system takes photo-electricity coder as Angle position sensor, using brush DC motor as servo motor. The full-digital servo system is based on controller MCL2805.
采用光电编码器作为角位置传感器，以有刷直流电机作为伺服系统的伺服电机，使用控制器MCL2805实现全数字伺服控制系统。
This article introduces the design and execution of intelligent track using the reflected infrared sensor as the visual system and. DC motors as execution framework.
介绍了以单片机为核心，采用红外反射式传感器作为其视觉系统，直流电机为执行机构的智能化小车的设计与实现。
Theoretical analysis and experimental results show that the method has the effect as same as Hall sensor in the event that ensure the DC motor start-up quickly and microseism, and no locked rotor.
理论分析和实验表明：提出的方法与霍尔传感器一样能保证无刷直流电机快速大转矩、小抖动、无堵转的平滑启动。
This paper presents a new compensation method for stator voltage amplitude and DC offset, which can improve the performance of the speed sensor-less vector control of induction motor.
为了提高异步电机无速度传感器矢量控制的低速性能，提出了一种定子电压幅值和直流偏置补偿办法。
Attitude measurement errors of the double cone scanning infrared earth sensor caused by brushless DC motor speed asymmetry was researched.
针对双圆锥扫描式红外地平仪因无刷直流扫描电机转速不均匀造成的姿态角测量误差进行了研究。
This paper introduces a new kind of DC examination and selective leakage protection system based on DC Current Sensor examination and single chip computer control.
介绍了一种基于直流电流传感器检测和单片机控制的新型直流检测式选择性漏电保护系统，重点阐述了系统应用软件的设计。
This paper introduces a new kind of DC examination and selective leakage protection system based on DC Current Sensor examination and single chip computer control.
介绍了一种基于直流电流传感器检测和单片机控制的新型直流检测式选择性漏电保护系统，重点阐述了系统应用软件的设计。
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