查询词典 motor control

By analyzing the technology requirement of electric actuators,RFOC（rotor field-oriented control）method was proposed. The fundamental mathematics equations of induction motor in the general synchronously rotating reference frameused for vector control were achieved by coordinate transformation.

中文摘要：分析智能型电动执行机构的技术要求，提出了转子磁场定向的空间矢量控制方案，通过坐标变换得到了适用于矢量控制的同步旋转坐标系统下的感应电机数学模型，推出了转子磁场定向方程。

In order to choose suitable voltage space vector and achieve current-follow-control,it samples stator current with constant frequency.According to the motor-model,optimize-controlled coltage vector is computed at the next sample moment to control actual next stator current so as to follow next reference.

为了选择合适的电压空间矢量，实现电流跟踪控制，以固定频率采样定子电流，按电机模型计算出下一采样时刻逆变器的最优控制电压矢量，从而控制下一时刻实际定子电流去追踪下一时刻参考电流。

Field Orientation Control make the capability of VC driving qualitative leap, speed sensorless vector control of asynchronous motor make the system simplifier and robuster.

矢量控制使交流调速系统的性能产生了质的飞跃，异步电机无速度传感器矢量控制更是增加了系统的简易性和鲁棒性，是各国学者研究的一个热点。

Open a spile , start an electric control valve motor when the job,control valve push in cam circular disc lower open up, lotus seed is followed by pressure to damaged shell knife , shell is cut apart thereupon and flesh is parted from the lotus for on causing a device to fall onto the squeezing claw squeezing a wheel under lotus seed classics, in squeezing a wheel rotating.

工作时，打开插板，启动电动机，控制阀在凸轮圆盘的推动下打开，莲子经下引装置落到挤压轮的挤压爪上，在挤压轮转动中莲子被压向破壳刀轨，于是壳被切开并与莲肉分离。关键的时候翻译不出来，大家帮忙先谢谢哈

Firstly, this paper introduced the vector-convection discussed model of a squirrel-cage asynchronous motor. And the vector control system takes the model set up by Matlab/Simulink as its control object.

首先详细介绍了异步电动机矢量控制的原理及数学模型，并利用Matlab/Simulink软件构建了矢量控制系统的仿真模型。

Made in terms of speed, position and other control areas to control the stepper motor used become very simple.

使得在速度、位置等控制领域用步进电机来控制变的非常的简单。

This device has been used to control the brightness of an automotive tail lamp and as a motor speed control for small DC fans of the type used in computer power supplies.

这个装置可以控制汽车尾灯的亮度，及电脑电源用的直流风扇。

The simulation results prove that using the SimPowerSystem of MATLAB to simulate the speed control procedure is simple and easy to operate. It can help us understand and design the AC motor speed control by terminal voltage system.

仿真实验结果表明，结合SIMULINK中的电气控制模块库进行仿真，具有建模简单、结构直观和操作灵活等优点，有助于设计和了解异步电动机调压调速系统。

And it is a full electrical control diesel engine equipped common rail fuel system. The driving motor and engine are correspond controlled via CAN bus, using the load leveling concept and logic threshold approach to control the torque distribution,various operation modes and the dynamical transitions between the modes for hybrid power train.

通过CAN总线实现了联合控制，用基于负荷平衡和逻辑门限的实时控制策略，实现了混合动力系统的转矩分配和不同工作模式以及模式间的切换。

In the article introduced the monolithic integrated circuit to the electric motor the control, elaborated the crystal thyratron accent presses the velocity modulation the principle by and its the control system principle of work, introduced the hardware system design and the software system establishment.

文中介绍了单片机对电动机的控制，阐述了晶闸管调压调速的原理以及其控制系统的工作原理，介绍了硬件系统的设计和软件系统的编制。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。