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.
文章介绍了基于80c 196kc为控制核心的激光雕刻机控制系统的硬件设计，实现了对混合式步进电动机和激光电源的控制。
The paper introduces the hardware design of the laser engraving system based on 80c196kc, the control of hybrid step motors and laser power supply.
太阳能电动车充电器是本公司生产的光电两用电动车太阳能充电器，是专业为当今市场上销售、使用的36V、48V、60V电动车而配置。
Solar charger for electric vehicle is a solar charger for photoelectric dual-purpose electric vehicle, which specially serves for 36V, 48V and 60V electric vehicles on sale and in use at the market.
图2三相直流无刷电动机三只光电器件VP1、VP2和VP3的安装位臵各相差120度，均匀分布在电动机一端。
Figure 2 Three-phase brushless DC motor 3 optoelectronic devices VP1, VP2 and VP3 of the installation location of the difference between the 120 degrees, uniformly distributed in the motor end.
该装置由水滴速度测试系统、滴速控制系统、显示装置、单片机系统、键盘和报警等系统组成。光电传感器用来测量液体滴速，利用步进电动机的转速来控制点滴速度，显示装置利用液晶显示器。
The apparatus constitutes the system of testing the liquid drop speed, the system of controlling the liquid dropping speed, LCD display system, MCS-51 system, the key board and alarming system.
该装置由水滴速度测试系统、滴速控制系统、显示装置、单片机系统、键盘和报警等系统组成。光电传感器用来测量液体滴速，利用步进电动机的转速来控制点滴速度，显示装置利用液晶显示器。
The apparatus constitutes the system of testing the liquid drop speed, the system of controlling the liquid dropping speed, LCD display system, MCS-51 system, the key board and alarming system.
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