查询词典 control vector

This paper introduced the basic principle of the magnetic flux vector control technique and the basic composition of it s circuit, mainly introducing the method and the control process in which magnetic flux vector control technique is used to improve the control property of big bridge crane , and to get good results.

介绍了磁通矢量控制技术的基本原理及其电路的基本组成。着重介绍了磁通矢量控制技术用于改善大型桥式吊车控制性能的方法和控制过程，以及该技术应用所取得的良好效果

First, the paper reviews the development and research of AC transfer speed system, introduces the different control strategy of transfer speed system for asynchronous motor, and discusses the basic principle of vector control system for asynchronous motor in detail,including the mathematics model and coordinate transformation of asynchronous motor, the fundamental equation of vector control, the estimation method of rotor flux, the system structure of vector control etc. Then, the paper lays stress on the fundamental principle, control algorithm and realization method in TMS320LF2407 of space vector pulse width modulation technology.

本文首先简述了交流调速系统的发展和研究重点，介绍了异步电机调速系统的不同控制策略，详细论述了异步电机矢量控制系统的基本原理：异步电机的数学模型和坐标变换、矢量控制的基本方程式、转子磁链的观测方法、矢量控制的系统结构等，并重点分析了空间矢量脉宽调制技术的基本原理、控制算法以及在TMS320LF2407中的实现方法。

Because of the nonuniqueness in the positional solution, it's not easy to test the performance of the coordinated control system. So the model of NN was built to convert the vector of the length of 6 jars into the vector of the position of the motion deck. It's fast and accurate for the lengthwise direction. The state space system model of the six degree freedom motion simulator was built by the equations of electrodraulic servo mechanism and the multi-body dynamics equation of the six degree freedom motion simulator,the vector of the length of 6 jars was the control variable.

本文结合六自由度运动模拟器的多体动力学方程和电液伺服驱动机构的特性，经简化得出了具有实际意义的六自由度运动模拟器整体系统的状态空间方程式，通过分析该系统的稳定条件和能控性，采用状态反馈对系统的状态方程式进行合理配置，从而建立了以运动模拟器杆长向量为控制变量的运动模拟器整体控制系统，并将该控制系统输出的杆长向量转换为位置向量。

In this paper, the basic principles of vector control, coordinate transformation, the mathematical model induction motor control and fuzzy theory, for vector control characteristics, the design of a rate based on fuzzy logic controller to form a new vector control system, using MATLAB / SIMULINK Software simulation analysis.

本文阐述了矢量控制的基本原理、坐标变换、异步电机的数学模型以及模糊控制理论，针对矢量控制特点，设计一个基于模糊逻辑的速度控制器来组成新的矢量控制系统，利用MATLAB/SIMULINK软件进行仿真分析。

Direct torque control is another high performance control technique of AC motor, it discard the decouple idea of vector control, but adapt flux oriented control and transient space vector theory, directly control stator flux and torque, it has the advantage of rapid torque response and less relying on stator parameters, but has the disadvantage of bigger torque ripple.

直接转矩控制技术是继矢量控制技术之后的又一种交流电机高性能控制技术，它摈弃了矢量控制中解耦的控制思想，采用定子磁链定向和瞬时空间矢量理论，直接对电机定子磁链和转矩进行控制，具有转矩响应快、对电机参数依赖小的优点，但它的不足之处就是存在转矩脉动。

The induction motor stator-flux-oriented vector control scheme not only reduces the big dependence of its performances on the rotor parameters, such as in the rotor-flux-oriented vector control, but also eliminates the torque ripple produced by Bang-Bang control in Direct Torque Control. So the SFO vector control is a high-performance and robust induction motor control scheme.

异步电机按定子磁场定向的矢量控制克服了按转子磁场定向的矢量控制系统对转子参数的依赖性，又没有直接转矩控制中的砰—砰控制带来的转矩脉动，是一种鲁棒性良好的高性能异步电机控制策略。

Vector control is the foundation of high performance PMSM control system Every vector control is analyzed and compared and several system characteristic are studied with special screw propeller load in this thesis, and then it is put forward that optimal torque control is the best control method of PMSM propulsion system.

本文对现有的几种矢量控制进行了深入的分析和比较，并结合推进系统特殊的螺旋桨负载研究了系统的各种特性，提出把转矩最优控制方案应用到舰船永磁同步电动机推进系统中。

ABSTRACT: The UAV navigation system's performance is improved through embedding the geography information model that can process the vector map data in the system by using MapX, In this paper, how to navigate and plan the UAV flight course in the vector map is investigated. The basic control and operation for vector map in the geography information system is introduced, and the flight course is designed and modified in the map. In addition, 2D vector map can't orient UAV in 3D space, so the altitude model is added in the UAV navigation system to realize 3D orientation by integrating 2D vector map with altitude plot. The simulation results in the UAV simulation system indicate that the navigation system can monitor and control UAV efficiently and intuitionally.

使用MapX在无人机导航系统中添加能够处理矢量地图数据的地理信息模块，可以显著地提升系统的性能；文章对如何在矢量地图下进行无人机导航与任务规划进行了研究，完成对地理信息系统中矢量地图的基本控制和操作，并在地理信息图上进行航线的设定与修改；另外，针对二维矢量地图无法对无人机进行三维空间定位的问题，文章通过在无人机导航系统中添加高度位置显示模块，用二维平面地图与高度图相结合的方式来实现对无人机位置的三维定位；通过在无人机仿真实验系统中的使用，证明了该系统能高效、直观地对无人机飞行进行监视与控制。

For motor asynchronous vector control system for electrical parameters and load factors such as fluctuations in the deterioration of the problem, design a two-dimensional fuzzy controller as a self-adjusting induction motor vector control system the speed regulator, the induction motor vector Control system not only dynamic and static performance have been improved, but also is robust.

针对异步电机矢量控制系统因电机参数变化和负载波动等因素性能变差的问题，设计了一种二维自调整模糊控制器作为异步电机矢量控制系统的速度调节器，使异步电机矢量控制系统不仅动态和稳态性能都得到提高，而且具有较强的鲁棒性。

The total proteins from TGIF transfectant and vector control cells were separated by 2D electrophorosis. 760±41 and 680±38 spots were detected in TGIF transfectant and vector control cells respectively. Locus repeat analysis of protein spots showed that the mean deviation in IEF direction in TGIF transfectant and vector control cells were 0.864±0.123 mm and 0.843±0.115 mm respectively whereas the mean deviation in SDS-PAGE direction in these two cells were 0.812±0.109 mm and 1. 125±0.123 mm respectively. So the well-resolved and reproducible 2DE patterns from TGIF transfectant and vector control cells were established.

通过双向凝胶电泳分别分离TGIF转染细胞和PcDNA3.1空白质粒转染细胞的总蛋白质，测得两组细胞的蛋白质斑点数分别为760±41和680±38个；位置重复性分析表明TGIF转染细胞在等电聚焦方向上的平均偏差为0.864±0.123mm，在垂直板SDS-PAGE电泳方向上的平均位置偏差为0.812±0.109mm；PcDNA3.1空白质粒转染细胞在IEF方向上的平均偏差为0.843±0.115mm，在垂直板SDS-PAGE电泳方向上的平均位置偏差为1.125±0.123mm。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。