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shuangpwmbianhuanqi
- 本文以双Pwm变换器为基础,分析论述了电力电子装置的整流、逆变和回馈状态的国内外发展状况。随着科学技术的发展,电力电子装置的低功率因数和高谐波污染已经成为电网的两大主要危害,因此提高系统功率因数便是电力电子技术的发展趋势,本文阐述了功率因数的定义,脉宽调制的种类以及电压 型PWM变换器的原理、控制方法等内容,比较了脉宽调制的各种类型,详细推导了三相电压型PWM变换器的数学建模,指出系统各种控制方法的优缺点,着重表达了二相调制脉宽空间矢量WPM的算法推导,选用了系统主控芯片,编写了系统软件程序
Support-vector-machine-
- 利用谱聚类方法在特 征向量空间中对原始样本数据进行重新表述使得在新表述中同一聚类中的样本能够更好地积聚在一起构建聚类核函数 并进而构造聚类核半监督支持向量机 使样本更好地满足半监督学习必须遵循的聚类假设 -Restated in the new formulation in the same cluster sample be better able to accumulate together to build the clustering of nuclear function and
Sensorless-FOC-of-PMSM
- Sensorless FOC of PMSM This document presents a solution to control a permanent magnet synchronous motor using the TMS320F2803x. This new family of DSPs enables cost-effective design of intelligent controllers for brushless motors which can fulfill
The-LSI-text-classification-model
- LSI就是这样一种维数约减方法。它可以通过对“文档向量矩阵”进行解奇异值分解(SVD: Singular Value Decomposition)运算,自动计算得到一个比原始空间小得多的有效语义空间-LSI is such a dimensionality reduction method. It can be through the "document vector matrix" for the singular value decomposition (SVD: Singular Valu
OMP
- The problem of optimal approximation of members of a vector space by a linear combination of members of a large overcomplete library of vectors is of importance in many areas including image and video coding, image analysis, control theory, a
SVPWM
- 空间矢量调制基本原理与DSP实现,一看就懂,可仿真验证-The basic principle of space vector modulation and DSP implementation, one can understand, can simulation
SVPWM
- 本文首先介绍了三电平逆变器的工作原理,以及空间电压矢量控制技术的基本原理。 其次,详细分析了传统三电平SVPWM算法,对每个主要模块都提出两种MATLAB仿真方法,归纳总结仿真技巧。-This paper firstly introduces the working principle of three-level inverter, and the basic principle of space voltage vector control technology. Second, tradi
Space-Vector-PWM-Control-of-Multi-Phase-
- Space Vector PWM Control of Multi-Phase Induction Motor Drives Based on Orthogonal Vector Spaces