查询词典 motor-driven

The location of the ball through the linear displacement sensor acquisition, controller position error calculated in accordance with the volume control to control the motor shaft angle, the angle of the control bar so that the stability ball to the target location.

小球的位置通过直线位移传感器采集，控制器根据位置误差计算控制量，控制电机轴的转角，从而控制横杆的角度，使小球稳定到目标位置。

The system adopted active tracking,namely calculate the input angle of the tracking device in advance,the angle is correspondent to the sun position some moment.Photoelectric sensors react the sunlight that putting on different position of the platform, feedback electrical signal.Then single-chip applys the subprogram and sends out pulse to step motors according to the signals,can control the rotate angle and direction of the step motor. The mechanism has realized the automatic track to the sun, so that the trackers top flat board can be always vertical to the sunlight and arrive the furthest receiving energy.

系统采用主动式跟踪，即预先计算好对应于某时刻太阳位置的跟踪机构的输入角度，通过跟踪器上平台不同位置上摆放的光电传感器感受该太阳位置的光照，反馈回电信号，单片机根据该信号调用子程序发出脉冲对步进电动机的转动角度和方向进行控制，实现了机构对太阳的自动跟踪，使跟踪装置的上平台始终处于垂直于光照方向，达到了能量最大限度的接收。

The control of the lead angle of the motor is studied. The power MOSFETs are used as a power amplifier which adopts a half-bridge circuit.

本文设计了变磁阻电机三相绕组的电流闭环控制系统，并研究了超前角控制问题。

Proposed a new method of determining the cell thickness and the twist angle of twisted nematic liquid crystal cells, a quarter-wave plate was inserted between the liquid crystal cell and the analyzer, a stepper motor rotated the Retarder by , and measured the light intensity of every modulated point, solved the stokes parameters of polarization light exiting from the liquid crystal cell using Fourier analysis method, thereby determining the cell thickness and the twist angle.

本文提出了一种测量扭曲向列相液晶盒盒厚与扭曲角的新方法，在液晶盒和检偏器之间放置四分之一波片，通过旋转此四分之一波片，测量各个调制点的光强，用傅里叶分析法计算线偏振光穿过液晶盒后的stokes矢量，从而求出液晶盒盒厚以及扭曲角。

Synthesizing the analytic results, this paper concludes that using inverse model for the air motor rotation experiment can calculate reasonable damping coefficient and angular displacement simultaneously.

综合分析结果，本文所提出的逆解模式对气压马达转动实验，确可同时计算得到合的阻尼系与角位移。

Stepper motor is a pulse will be transferred into angular displacement of the Electrical and Mechanical-DAC devices.

步进电机是一个将脉冲信号转移成角位移的机电式数模转换器装置。

Stepper motor is the working principle of electrical pulse signal into angular displacement of a Electromechanical Digital to Analog.

步进电机的工作原理是将电脉冲信号转换成角位移的一种机电式数模转换器。

Stepper motor is the electric pulse into angular displacement or displacement of the open-loop control devices.

步进电机是将电脉冲信号转变为角位移或线位移的开环控制元件。

Stepper motor is the electrical impulse signals into angular displacement or linear displacement of the open-loop control components.

摘 要：步进电机是将电脉冲信号转变为角位移或线位移的开环控制元件[1]。

This thesis first proposes the thought of designing the vibration body with anisotropic composite, develops a sample linear Ultrasonic Motor, and studies its actuating mechanism, resonant frequency, speed, and driving force theoretically and experimentally.

本文首次提出了利用各向异性复合材料作为振动体的设计思想，完成了相应的超声直线电机的样机研制，并对其致动机理、固有频率、速度、驱动力等作了深入理论和实验研究。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。