这些机械传感器经常是测速发电机或者编码器。
测速发电机的准确性决定的最大速度精度控制机器。
The accuracy of the tachogenerator decides the maximum accuracy of speed of the controlled machine.
测速发电机，提供频率与转速成比例的电流的小发电机。
TACHOMETER generator, a small electric generator for supplying current at a frequency proportional to the speed of rotation.
该系统的速度反馈元件采用测速发电机，角度测量元件采用光电编码器。
Measuring generator is used for velocity feedback in this system, and photoelectricity coding component is used for Angle measure.
直流测速发电机是一个速度传感器，开发直流电压与电机连接的速度成正比。
The DC Tachogenerator is a speed transducer, which develops DC voltage proportional to speed of the motor connected to it.
在中小型直流调速系统中，一般都取消了测速发电机，而以电枢电压作为电机转速信号。
In general, tachometer generators are eliminated in the small and medium power DC rotating speed governing systems, and armature voltage is used as motor speed signal.
展示了原理波形。该控制器是静止的电子装置，可以替代常规的测速发电机，有很强的实用价值。
This controller is a static device of electricity and can be used in stead of the common tacho-generator, and it will be of great practical values.
本绕线式电动机转子电路脉冲调速系统模拟试验，省去了测速发电机，而利用转子电势组成速度负反馈系统。
The model test tried on this system did not use the tachometer generator but used rotor electromotive force instead to form the speed negative feed-back system.
本文通过对两起提升机直流调速系统故障的分析，阐述了测速发电机日常维护的重要性，并对如何维护提出建议。
The article analyzes two faults in DC-timing-system of hoist, presents the importance of routine maintenance on measure of speed dynamo, and puts forward proposals about maintenance.
高功率液压驱动系统测速部分一般采用测速发电机测量转速，但这种方法故障率高，严重影响液压系统的安全稳定运行。
A speed generator is usually applied to measure speed of high power hydraulic machine. But the way has a higher fault rate and affects the safe operation of the machine.
鲍默夜蛾，柏林实现，通过ATEX 2002年9月95和正在提供增量编码器和测速发电机，以满足atex指令。
Baumer hubner, Berlin, achieved ATEX 95 in September 2002 and is offering incremental encoders and tacho generators that fulfill the ATEX directive.
高精度转速源是为测速发电机的校准测试提供速度基准的驱动系统，具有转速精度高、调速范围宽及无级平滑调速的特点。
The benchmark rev equipment is designed to provide speed reference for tacho generator's testing, which has high velocity precision, wide speed range and stepless speed adjustment.
本文对778光电经纬仪直流力矩电动机与直流测速发电机的调试作了理论分析和实际调试方法的叙述，给出了电机主要参数与结果。
The article analyses and describes the adjustment of DC torque motor and DC speed-measuring motor for 778 photo-theodolite. Main parameters of the motor and results are also given.
本文对778光电经纬仪直流力矩电动机与直流测速发电机的调试作了理论分析和实际调试方法的叙述，给出了电机主要参数与结果。
The article analyses and describes the adjustment of DC torque motor and DC speed-measuring motor for 778 photo-theodolite. Main parameters of the motor and results are also given.
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