The drill has variable speed control.
这钻机有变速控制。
The model of hydraulic motor pump variable speed control system is built.
同时建立了该液压电机泵变速控制系统的数学模型。
Normal bone drill: variable speed control without step, reliable, economical price.
普通骨钻：无级变速，性能可靠，经济实惠。
Oscillating saw: Powerful, portable, variable speed control without step, precise and stable.
摆动据：动力强大，轻便小巧，无级变速，准确稳定。
By using a new self-adaptive fuzzy PID algorithm, variable speed control and compensation on drop in elevation are implemented.
采用一种新的自适应模糊pid算法，实现变速控制和落差补偿。
The multi-target rapid maneuver control problem is studied for agile satellites with Variable Speed Control Moment Gyro(VSCMG) as actuator.
研究了以变速控制力矩陀螺（VSCMG）作为执行机构的卫星多目标快速机动的控制问题。
The application of ABB ACS800 direct torque control (DTC) frequency-variable speed control system in the reducer loading test was presented.
介绍应用abb公司的ACS800直接转矩控制(DTC)变频调速控制系统具体实现减速机性能的测试。
The requirements for microprocessor control associated with a. c. variable speed control systems of PWM inverter are reviewed in this paper.
本文回顾了PWM逆变器交流调速系统对微机控制的要求。
The variable speed control for freeway traffic is a nonlinear and time variable system, it is difficult to model with a mathematical model. A neural network control method is put forward.
针对高速公路可变速度控制是一个非线性时变系统，难于用数学模型准确建模这一特点，提出了神经网络控制方法。
Oscillating saw: powerful, portable, variable speed control without step, precise and stable, adopts the theory of Stryker cutter adapter, can be equipped blades the thickness of 0.8~1.2.
摆锯：动力强大，轻便小巧，无极变速，采用史塞克刀架原理设计，可接驳0.8~1.2厚度的锯片。
This paper describes systematically the design of all-hydraulic or electrohydraulic variable speed control mechanism, providing a reference of designing machine tools and related teaching.
本文对机床齿轮变速的全液压与电液操纵机构的设计作了系统介绍。可供机床设计与教学参考。
This paper mainly discusses the control and protection system for the 20kw VSCF (Variable Speed Constant Frequency) Wave Power Electric Station.
本文着重介绍了20千瓦变速恒频波力发电系统的控制功能和保护体系。
The problems are:the storage of cumulating variable at power off, multi-byte division, the detection of rotating speed and the control of facilities by AC power.
这几个问题是：累积量的掉电存储问题、多字节除法问题、转速的检测问题和交流电设备的控制问题。
It could be accomplished sowing work prescribing by the application maps based on the GPS signal under the control of mechanical variable speed unit.
该播种机由变量控制器控制机械式无级变速器，根据GPS的位置信号，完成处方图设计的播种施肥作业。
To improve the convergence speed of sliding mode variable structure control, a new nonlinear sliding mode surface is proposed.
针对滑模变结构控制的收敛速度问题，提出了一种新的非线性滑模面。
Based on vector control theory, a fully digital variable speed system is designed.
基于矢量控制理论设计了一套全数字变频调速系统。
Therefore, an effective combination of ramp metering and variable speed limit control is important to achieve a good performance.
由此，匝道调节率与可变速度限制间高效的联合控制对于提高道路性能显得尤为重要。
And adjustable speed the variable air volume air conditioning automatic control system saves energy through setting different static pressure values in different time periods.
变风量空调控制系统以变频调速为手段，分时段设定静压值以实现节能。
The torque control, pitch control and general wind turbine coordinate control strategy of variable speed adjustable pitch wind turbine were researched.
针对变速变距机组的转矩控制、桨距控制以及整机的协调控制进行了研究。
Variable speed drive control has simple menu and easy to read display for simpler installation and use.
变速控制器带简单菜单，菜单指示简单易懂，便于安装及使用。
Control Techniques variable frequency drives provide continuous control, matching motor speed to the specific demands of the work being performed.
控制技术的变频驱动器提供连续控制，配套电机的速度，工作的具体要求正在执行。
The paper introduces the application of variable-frequency speed governor in belt conveyor. Which provides a new control mode for belt conveyor.
主要介绍了变频调速在带式输送机上的应用，为皮带输送机提供了一种新的控制方式。
In this paper, the principle of variable speed pump control hydraulic differential cylinder is designed, and the simulation model of system is built, and the simulation research is carried out.
给出了采用变转速泵控闭式回路控制差动缸的原理，建立了该系统的数学模型，进行了计算机数字仿真研究。
DSP-based variable frequency AC motor speed control system, he is more use of the procedure.
基于DSP的交流电动机变频调速控制系统，他是比较使用的程序。
The article introduces the raising process, composition of raising machine and its the variable speed dive control system. Multi-motor drive of raising machine's feature is highlighted.
本文简介了起毛工艺、起毛机的构成，起毛机变频调速控制系统，重点介绍了多电机传动的起毛机传动的特点。
First this paper research on using variable speed fluid couplings in speed regulation control system of dual pumps or fans machines running in parallel mode.
本文首先对调速型液力偶合器应用于泵或风机双机并联运行的调速控制系统进行研究。
This paper discusses the slip frequency control of variable frequency regulating speed system, and analyses the shortage of this control way.
本丈对转差频率控制的变频调速系统进行讨论，分析这种控制方式所存在的不足；
This paper discusses the slip frequency control of variable frequency regulating speed system, and analyses the shortage of this control way.
本丈对转差频率控制的变频调速系统进行讨论，分析这种控制方式所存在的不足；
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