Underground speed detection which based on single chip will real-time detect rate through the hall speed sensor, alarm and prompt after speeding, and store the information of speeding.
井下速度检测部分以单片机为核心，通过霍尔速度传感器实时检测速度，超速后即会报警提示，并将超速信息进行存储。
In the aspect of speed sample, HALL speed sensor is adopt, and combined the m method and t method, so the sample precision can be ensured both in the high speed moment and low speed moment.
本文在转速采样环节采用霍尔速度传感器作为电机速度采样器件，并且采用了M法和T法混合的方法进行测速，这样在低速和高速时都能保证采样精度。
Fireresistant Hall device and SmCo rotor is used to design position and speed sensor, and the corresponding doubling circuit and decoding circuit is designed.
采用耐高温的锁定型霍尔元件和钐钴永磁转子分别构成位置与速度传感器，并设计相应的速度信号倍频电路与位置信号译码电路。
The high-precision resolver was connected to PMSM with the same shaft to detect the position and speed of PMSM, and Hall current sensor was adopted to detect current of PMSM.
位置和速度的检测采用高精度的旋转变压器和电机同轴相连，电流的检测采用霍尔电流传感器，具有很高的检测精度。
Discussion and design of the method and Hall sensor of speed test are keystone, and an adaptive method of rotation calculation is presented.
重点对车速的检测方法及其所用霍尔传感器进行了讨论和设计，提出了一种关于转速计算的自适应检测方法。
This paper presents operating principle of rotating speed tachometer based on Hall sensor consisting of a microcontroller C8051F060, software and hardware configurations and their design method.
本文介绍了基于霍尔传感器，采用单片机c 8051f 060控制的直流电机转速测量控制系统的工作原理及软硬件设计方法。
This paper introduces the test system of vehicle speed sensor according to the HALL type ones.
介绍了针对霍尔车速传感器而研制和开发的汽车车速传感器测试系统。
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。
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。
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