所述的电动机由调速器控制转速。
The rotating speed of the electric motor is controlled by a speed governor.
通过改变程序来达到控制转速的目的。
By changing the speed control procedures to achieve the objective.
采用微机处理器控制转速、时间，TG16为数字显示，切换显示RCF值。
TG16C with the LCD display indicates the time, speed and RCF.
研究结果表明，利用该方法可达到通过控制转速和开启台数实现排水泵站节能降耗的目标。
The results indicate that the target of energy saving can be achieved by controlling the pumps speed and amount.
直接控制扭矩而不是电机转速范围，可以使得电机和变频器产生足够高的扭矩使得压机可以回复到原来的位置。
Direct control of torque over the motor speed range is provided by the drive, which helps the motor and drive generate torque levels high enough to cycle the press back to ready position.
这样还把由于不必再为了控制引擎转速来抑制空气流入引起的抽吸效应的能耗最小化。
It also minimises the pumping losses caused by no longer having to "throttle" (ie, strangle) the air flowing into the cylinders in order to control the engine speed.
—钓鱼器材：现在，许多鱼线卷轴，包括有日本Shimano公司制造的那些，都包括芯片帮助控制绕线轮的转速。
Fish beware: a number of fishing reels, including those made by Shimano of Japan, now have chips in them to help control how fast the spool of line spins.
本系统能够完成发动机的转速、转矩的高精度控制与测试，以及发动机温度、压力、油耗等指标参数的测量。
This system can complete the engine rotational speed and torque high accuracy control and the test, also engine temperature, pressure, oil consumption parameters survey.
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。
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.
步进电机是一种数字控制电机，它将脉冲信号转变成角位移，电机的转速由脉冲信号频率决定。
Stepper motor is a motor controlled by digital signal, which converts pulse signal into Angle displacement. The wheeling speed is controlled by the frequency of pulse signal.
电子控制单元。包括由转速传感器控制的开关晶体管，用来断开或接通初级电路。
Electronic control unit. Contains a switching transistor controlled by a speed sensor and is used to open and close the primary circuit.
容易实现用旁通控制在恒定转速下的压力，但旁通浪费能量。
By-passing to control the pressure at a constant speed is easily accomplished, but it wastes power.
不同品种肉丸蒸煮所需时间可通过调节拨板的转速来控制。
The time needed for different varieties meatballs cooking by adjusting the rotational speed dialing to control.
对系统总体设计方案进行了研究分析，硬件设计中详细介绍了控制回路的电流检测模块、电机转速和位置检测模块、PWM输出和故障输入电路。
The overall design scheme is researched. The hardware of current detection module, motor speed and location detection module and PWM output and fault input module is introduced in detail.
怠速转速控制逻辑是用于控制节气门关闭后的发动机转速。
The purpose of the idle speed control logic is to control engine speed at closed throttle.
本文介绍了遥控驾驶靶车牵引车速度控制系统的组成和工作过程，阐述了车辆自动换档和发动机转速调节的控制方法。
Structure and the working process of a remote control vehicle for target towing were presented. Methods of control in automatic gear shifting and engine speed modulation were described.
同时利用霍尔传感器将电机速度转换成脉冲频率反馈到单片机中，实现转速闭环控制，达到转速检测目的。
At the same time using Holzer sensors will be converted into pulse frequency motor speed feedback to the MCU, realize the speed closed-loop control, to achieve speed detection.
采用变频调速控制，对风机、水泵类机械进行转速控制来调节流量的方法，对节约能源，提高经济效益具有非常重要意义。
Frequency control the use of fans, water pumps, type of machinery to carry out speed control method to regulate the flow of energy conservation, economic efficiency is very important significance.
为实现翻转过程中薄膜的恒线速度、恒张力控制，采用转速和张力的闭环控制，将线速度作为主控制变量，进行综合控制。
In order to carry out the constant line speed and the constant tension for the rolling of plastic films during reversal, loop control of the rotating speeds and the tension is adopted.
控制系统的功能是在负载随时变化的工况下，确保机组转速恒定，并使电压输出控制在要求范围之内。
The control system functions to keep speed of the machines substantially constant and the voltage within prescribed limits, even the load may change.
最后本文采用定子磁场定向的矢量控制策略，结合转速扰动功率观测的控制算法对转子侧进行了仿真验证。
Finally, simulating experiment for the whole system is carried through with the stator flux-oriented vector strategy and control arithmetic of rotor speed perturb and power observation.
负载控制加载器，模拟实际工况。也能通过变频器控制电机输出转速。
Loader was controlled with loading, and actual working state was simulated, the motor rev was controlled through transducer.
实验结果表明：在网络控制系统中无刷直流电动机转速响应快速，运行平稳，证明了这种新型控制系统的有效性和可行性。
The experimental result shows BLDCM response rapidly and run stableness in networked control system and proves the validity and feasibility of this control system.
在无速度传感器矢量控制系统中，转速估算的精度在很大程度上依赖于电机参数。
In a speed sensorless vector control system, the precision of speed estimation is relied on the precision of motor parameter.
这是一个可调的PW m波程序，稍作修改就可以控制电机转速或其他设备！
An adjustable PWM wave program. It could be modified to control electronic motor speed or other devices.
试验台载荷、转速控制信息由用户输入。
讨论了系统的动态性能及恒转速控制的原理和基本规律。
The dynamic performance and the theory and basic law of the constant speed control are discussed.
选用动态混合时，采用新型混合器，伺服电机控制，转速可调，而且噪音很小。
The dynamic hybrid, using a new type of mixer, servo motor control, speed adjustable, and the noise is very small.
选用动态混合时，采用新型混合器，伺服电机控制，转速可调，而且噪音很小。
The dynamic hybrid, using a new type of mixer, servo motor control, speed adjustable, and the noise is very small.
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