电机驱动的

Among them, crossbeam and regular electrical machinery and bit that have their to that jar urge hydraulic pressure have along sport of post.

其中，横梁和固定其上的电机以及钻头沿立柱的运动是由液压缸驱动的。

With development of power electronic technology, power converters have been used widely in switching power supply, motor-driven an...

随着电力电子技术的发展，功率变换器在开关电源、电机驱动控制、电网的无功补偿和谐波治理等领域得到广泛的应用。

Two-way from the X-Y table driven precision CNC workpiece completed X, 2 Y direction of the movement to X, Y, Z direction of the 3 Feed Movement ball screw, by AC servo motor drive.

由X-Y双向精密数控工作台带动工件完成X， Y两个方向的进给运动；X， Y， Z三个方向的进给运动均滚珠丝杠，并由交流伺服电机驱动。

The gearless traction machine with low-speed moving parts ensures long-term reliability of the elevator.

富士永磁同步电机直接驱动的无齿轮曳引机只有低速成运动部件，保证电梯系统的长时间可靠运行。

6"Ball cover, Features beauty,refinement; The precise step enters the electrical engineering to drive, go placidity,go to nicety;shift aptitude, Horizontal speed 0.5°/s---240°/s ,Vertical speed 0.5°/s---200°/s;Vertical running have function to "Auto-flip, 360°continous horizontal flip;Dome speedauto-shift--- The speed of housing become the zoom lens depth to increase its speed pro rata lower gradually, a little bit on guard function; Auto-focus,auto-iris,Tum to surge and lightning strike protector;Menu setup and control function,estate memory before break off electricity and auto-resume

6英寸球罩，外型美观、精巧；精密步进电机驱动，运转平稳，定位准确；智能变速，0.5°/S－240°/S水平变速，0.5°/S-200°/S垂直变速；垂直转动有&自动翻转&功能， 360度持续水平转动；云台速度自动调整—云台的速度随变焦镜头深度的增加其速度按比例逐渐降低，守望点功能；自动聚焦，自动光圈，内置浪涌及雷击保护装置；菜单设置及控制功能，断电前状态记忆及来电自动恢复功能；64个预置点

6"Ball cover, Features beauty,refinement; The precise step enters the electrical engineering to drive, go placidity,go to nicety;shift aptitude, Horizontal speed 0.5°/s---240°/s ,Vertical speed 0.5°/s---200°/s;Vertical running have function to "Auto-flip, 360°continous horizontal flip;Dome speed auto-shift--- The speed of housing become the zoom lens depth to increase its speed pro rata lower gradually, a little bit on guard function; Auto-focus,auto-iris,Tum to surge and lightning strike protector;Menu setup and control function,estate memory before break off electricity and auto-resume fuction in come to electricity; 64initialize spots,5 auto-patrol path;Contain multi-confer;485standard communcation interface;Function to give an alarm to linkage.

6英寸球罩，外型美观，精巧；精密步进电机驱动，运转平稳，定位准确；智能变速，0.5°/S-240°/S水平变速，0.5°/S-200°/S垂直变速；垂直转动有&自动翻转&功能， 360度持续水平转动；云台速度自动调整—云台的速度随变焦镜头深度的增加其速度按比例逐渐降低，守望点功能；自动聚焦，自动光圈，内置浪涌及雷击保护装置；菜单设置及控制功能，断电前状态记忆及来电自动恢复功能；64个预置点， 5条自动巡视路径；兼容多种协议；标准485通讯接口；报警联动功能。具有球机环境温度和摄像机角度数显功能。

The electrical control valve, manual control only of the pilot valve with 3 ~ 5V direct current machine drive can be.

对于电动控制的截止阀，只需将先导控制的手动球阀用3～5V直流电机驱动即可。

According to the machine apparatus and work capability of the three-fingered dexterous hand, The hardware circuit of the control system with 89C51 singlechip has been designed,which include the circuit of collection signals and the drive circuit of DC-motor, the circuit deal with signals of Force Sensing Resistors ,the communication interface circuit and so on.

依据三指灵巧手机械本体和工作性能，本文设计了基于89C51单片机的控制系统硬件电路，其中包括信号采集电路、电机驱动电路、力传感器的信号处理电路、通讯电路等。

Characters. Start-up system: depend on 3-5 pole motor driving, electron control speed, full automatic transmission device, electrcity source place conbine with high precise density steel star gear, include automatic suited machinery safty device.

启动系统：依靠3～5极电机驱动，电子控制速度，全自动传动装置，电源档位和高精密度的钢星齿轮相结合，包含自动匹配的机械安全设施。

This paper presents a new approach, Fibonacci sequence based on-line efficiency optimization control, for improving the efficiency of induction motor drive systems.

提出一种基于斐波那契数列的寻优方法来提高交流电机驱动系统的效率。

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。