运动控制

The liquid level can be measured. Said upper- and lower-limitation alarm is sound-light alarm. The valve can be controlled. The impurities in valve can be automatically removed by the reciprocating movement of valve, resulting in more convenient and more safe liquid level control.

本发明可对液位进行测量，具有上、下限报警功能，同时可以控制阀门开／关，并可通过阀门的往复运动自动清除阀内杂质、使液位控制更简便、更安全。

Two cylinders drive the tipping unit, loading the bars; one asynchronous motor drives chain motion mechanism, implementing the feed and back off movement of bars; bar lifting movement in the process of chamfering and blanking movement after machining are carried out by another two cylinders; one asynchronous motor rotates the bar and one cylinder swings the wheel head when grinding; the feeding of the wheel head is accomp...

它通过控制两套汽缸驱动翻爪完成上料，一台异步电动机驱动链条式多轮运动机构完成磨削前的进料和磨削后的退料，两套汽缸完成磨削倒角加工时的预料和加工完成后的落料，一台异步电机在磨削加工时驱动棒料旋转，一个汽缸驱动磨头在加工时摆动，一台步进电机驱动磨头实现磨削进给，两套汽缸驱动翻爪完成下料，而磨头是用一台异步电机驱动砂轮旋转的机构，并给出了控制系统原理图及程序流程图，解决了控制器输入点数相对不足的技术问题。

Base on the low speed of rover movement,the research on attitude control of the active suspension is conducted and a method for stability is proposed.

基于星球车运动速度较低的特点，应用系统稳定性准则研究了主动悬架的构型与姿态控制，设计了相应的控制方法。

The control of the whole test-bed is completed by a Programmable Logic Controller. The place of seeds are tracked by the sensor, it can obtain position of any seeds fleetly and exactly. The open or close of high-pressure airflow is controlled by the magnetic valve, which blow the seeds into the container according its grade information .The software for the communication from PC to PLC was compiled , which was based on Visual C++, it was proved to be effective and friendly to operation .

本研究选择可编程控制器PLC来实现对整个试验台的控制，由色标传感器对种子位置进行实时跟踪，快速、准确地获得运动中每一粒种子的位置信息，通过电磁阀控制高压气流的通断，将种子按其级别信息吹入相应的容器里，研究还包括PC机与可编程控制器PLC之间的通讯功能的实现。

Such programs can achieve the status of the electric car movement in real-time control, control of flexible, reliable, high precision, can meet the system requirements.

这种方案能实现对电动车的运动状态进行实时控制，控制灵活、可靠，精度高，可满足对系统的各项要求。

The aircraft from the programmable logic controller control, to the winding parameter input into the product can automatically complete the product design, and then control the core mold rotation and car move up and down movement of the compound to soak the fiber resin, according to the law of uniform covered with lining on the product.

该机由可编程控制器控制，，把所缠绕产品的参数输入进去，可自动完成产品的设计，然后控制芯模旋转与小车上下移动的复合运动，把浸透树脂的纤维按规律均匀布满在产品内衬上。

External magnetic fields were introduced to arc in liquid for the first time, in order to control the arc shape and the directionality of carbon particles. The primary control of carbon nano-products was realized, and some novel carbon nano-structures were obtained, such as single-walled twist structures and cylinder-shaped structures.

首次引入外加磁场来控制液体中电弧形态和碳粒子的运动方向，实现了对产物中碳纳米结构的初步控制，并得到了一些新颖的碳纳米结构，如单壁管缠绕结构和空心筒状结构。

The communication between computer and is realized b and the cooperative of design and servo unit realized by databus,and the cooperative control between PLC and servo unit is developed.

利用数据总线实现了计算机与伺服单元的通信。利用传感器特性实现了PLC控制打印头动与伺服单元控制电动执行机构运动的协调。

Motion control and force control were combined with each other via ellipsoids. The simulation example shows the effectiveness of the control algorithm.

文中通过椭球把运动和力的控制结合起来，仿真实例证明了文中控制算法的有效性。

When key stratum is under control of elastic or plastic in the form of elastic ground panel or beam, surface subsidence belongs to bended subsidence. When key stratum is of demolition and movement, surface subsidence belongs to fractured subsidence.

如何对岩层移动中地表沉陷等采动损害进行有效控制，关键在于了解岩层移动的动态变化过程，了解对地表移动起控制作用的岩层的变形破断规律，及其运动过程中与地表移动的相互耦合作用关系。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。