控制矢量

It mainly introduced the development of AC regulating speed system and the basis idea of Vector control and how to use SIMULINK in software MATLAB and establishing asynchronisms math model.

本文介绍了交流调速系统的概况、矢量控制的基本概念、MATLAB软件中SIMULINK仿真工具的使用以及建立异步电动机的数学模型。

Digital signal processor; space-voltage vector pulse width modulation; pressure closed-loop control system

数字信号处理器；电压空间矢量脉宽调制；压力闭环控制系统

Some problems such as start-up of the motor, vector control, SPWM output, fault protection closedown, system communication, were discussed in this paper.

论文具体讨论了电机启动、矢量控制、正弦脉宽调制波的输出、故障保护停机及系统通信的软件实现方法。

Also in this paper, the magnitude of the common-mode voltage of the system is analyzed and the method of choosing reasonable zero-vectors to restrain the common-mode voltage is presented.

详细分析了基于该控制策略的电机共模电压大小，提出了合理选用零矢量以降低电机共模电压幅值的方法。

Reducing and canceling common-mode voltage methods are presented respectively using SPWM and SVM . Simulation results validate their correctness.

针对常用的变频器控制策略—正弦波脉宽调制SPWM和空间矢量调制SVM，分别提出了降低和消除共模电压的改进策略，并用仿真结果验证了其正确性。

Grid connected inverter ; three-level ; space vector ; fuzzy control

并网逆变器；三电平；空间矢量；模糊控制

First, the relative curvature of a certain curve at its first end and the directional angle of the first port tangent vector of that curve as well as the weight factor of the interpolation curve are given, then all the other control vertexes can be gotten by using the conditions of G continuity, and a method to construct transitional curves is also introduced so that we can get the closed interpolation curve which achieves G continuity globally.

首先给定某段曲线的首端相对曲率和该段曲线的首端切矢量的方向角以及插值曲线的权因子，然后利用G2连续条件求出其余控制顶点，并给出了构造过渡曲线的方法，得到了G2连续的闭插值曲线。

Ago to do a simulation, on the space vector control, can look to those in need!

详细说明：以前做的一个仿真，关于空间矢量控制的，看看能不能给有需要的人！

Matlab simulation model, space vector control model can be used as a graduation project content.

matlab仿真模型，空间矢量控制模型，可以当作毕业设计内容使用。

Immune algorithms application in vector control system is studied in this paper.

本文主要研究了免疫算法在交流电机矢量控制系统中的应用。

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。