It has a built-in electric motor which can open or close the umbrella on demand.
它有一个可以根据需要开合雨伞的内置电动马达。
A kind of the pulse control mode, the drive and motor closed loop, but not to the numerical control system, the feedback device, in a sense, can open loop control called the servo control.
一种采用脉冲控制方式，此种驱动器与电机闭环，但不反馈到数控系统，这种驱动器在某种程度上可称为开环控制的伺服控制。
The sensor sends out a signal that tells a motor to open the doors.
传感器就给马达传一个信号，让它打开大门。
A design of the open motion control system based on PC and motor control card was presented.
提出一种基于PC和运动控制卡的开放式运动控制系统的设计方案。
With measures adopted to adjust entrance taper, open of air door, and alignment of the shaft coupling between blower and motor, the main exhaust blower can keep in steady operation.
通过调整入口锥、风门开度、主抽风机与电机之间的联轴器对中等措施，保证了主抽风机稳定运行。
In the meantime, by using an AC servo motor as the driving parts and based on the MPC02 motion control card, the open control system was formed.
同时采用交流伺服电机作为驱动元件，基于MPC02运动控制卡作为上位控制单元构建了开放式控制系统。
A kind of the use of impulsive control mode, the drive and motor closed loop, but not feedback to the numerical control system, this drive, in a sense, can open loop control called the servo control.
一种采用脉冲控制方式，此种驱动器与电机闭环，但不反馈到数控系统，这种驱动器在某种程度上可称为开环控制的伺服控制。
Flooding irrigation motor bolts should be open, filled with clean water after the bolt tightening, and then dive into the water.
水浸电机应打开灌水螺栓，灌满洁净的清水后拧紧螺栓，再潜入水中。
This paper introduces several methods to reduce error of step by step motor open loop servo system in numerical controlled machine tools.
本文介绍了减少数控机床步进电机开环伺服系统误差的几种方法。
When the thermostats open, power to the motor is interrupted. When the motor has cooled down, the thermostats automatically reset and the pump can resume normal operation.
温控器开启后，通往电机的电流就会被切断。当电机温度冷却下来后，温控器将自动重新启动电机，泵设备又恢复正常运转。
The motor case is a steel cylinder closed tight at one end. the other end is the open throat and nozzle.
发动机壳体为一个其一端为密封的钢铸圆柱缸体，另一端则为敞口的喉道及喷管。
Therefore, when both switches are open, power to the critical element is interrupted, slowing or stopping the motor.
因此，当两个开关处于打开状态，权力，关键因素是中断，放慢或停止运动。
Based on the analysis of main fault types of LV (Low Voltage) flameproof motor, the negative sequence protection principle is proposed for its asymmetric short circuit fault and open phase fault.
通过分析低压隔爆电动机的主要故障类型，针对不对称性短路故障和断相故障提出了采用负序保护原理进行保护的方案。
Stepper motor control can be used as a special motor, do not use their accumulated error (accuracy of 100%) the characteristics of a wide range of open-loop control.
步进电机可以作为一种控制用的特种电机，利用其没有积累误差(精度为100%)的特点，广泛应用于各种开环控制。
In July, Li underwent a fourth surgery on her knee and said she hoped to be back for the Dongfeng Motor Wuhan Open, to be held in her hometown, but was unable to recover from her injuries.
七月，李娜接受第四次膝盖治疗时说，她希望能够重返在家乡举行的武汉网球公开赛，但伤病却未能痊愈。
The design using ATMEL89C51 single chip to control the step-motor with its controller, driving circuit and LED display circuit to realize step motor open-loop control were introduced.
通过ATMEL89C 51单片机对步进电机进行控制，主要介绍了步进电机控制器、驱动电路和LED显示电路的设计，实现了步进电机的开环控制。
First close the plug of a vacuum or pressure meter, if so mounted on the pump, connected to the pump before starting the motor and then open it when the motor move in the normal speed;
如果泵上装有真空表或压力表，要关闭其与泵相连接的旋塞再启动电动机，待转速正常后再打开；
The design succeeds in realizing open-loop control of step-motor.
设计成功实现了步进电机的开环控制。
Far from constituting a market in itself, this activity is merely ancillary to the market in motor cars, the open and highly competitive nature of which is undesirable.
这样的行为，其本身远不能构成一个市场，而仅仅是附属于机动车市场的一个行为，并不需要公开和高度的竞争性。
To avoid electrical shock hazards, neither open the cover of the electrical box for the motor nor touch the components mounted inside the electrical box.
为了防止发生触电事故，请不要在打开电源的状态下，打开电气箱盖以及触摸电气箱内的零件。
The system allows the motor to run continuously and normally even if one phase is open circuited or fault of inverter occurs.
即使在电机的一相断线或者是逆变器器件发生故障的情况下，该系统仍然能够保证连续的、正常的运行。
The existing defect of overload, open phase protection of minitype flameproof motor used in coal mine was analysed and its improved protection scheme was presented.
分析了煤矿井下小型隔爆电动机过载、断相保护存在的缺陷，提出了改进的保护方案。
When the motor runs in four-pole mode, it is started at two-pole mode and taps A2 and A4 are then connected together. In the meantime secondary winding is open.
当电机作四极运转时，先按二极运转启动，然后切换开关使主绕组抽头A2与A4连接电机既作四极运转，此时副绕组开路。
Front Insurance button, when short circuit or open circuit can protect the motor will not damage.
前置式保险按钮，有短路或断路时可保护马达不会损坏。
The open-phase protection in long-distance motor operation is very important in practice.
电动机远距离运行断相保护在实际工作中很重要。
Speed detection subsystem has been calibrated by the motor open-loop tests.
通过电机开环调试，标定了速度检测子系统；
When the door motor run to the position, it output door open fully relay signals and start to open door pushing.
门机运行到该位置输出“门开齐”继电器信号，门机开始开门推进。
When the door open and the torque exceeds the value, the door motor begun to re-start learning.
开门时转矩超过该值，则门机开始推进，启动重新自学习。
When the door open and the torque exceeds the value, the door motor begun to re-start learning.
开门时转矩超过该值，则门机开始推进，启动重新自学习。
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