开关模式电源

混沌控制方法降低开关模式电源电磁干扰水平研究

The Research to Reduce EMI Level of Switched-mode Power Supply by Controlling Chaos

本论文研究了通过控制开关模式电源中的混沌降低其电磁干扰水平问题。

To reduce EMI level of switched-mode power supply by controlling chaos is studied in this thesis .

应用组合参数控制改善开关模式电源EMC研究

The Research to Improve EMC of the Switched - mode Power Supply by Controlling Parameters

提出了一种把汽车点火系统的初级线圈电压注入端的绝缘闸双极性晶体管（IGBT）作为一种开关模式电源并对其工作时产生的传导干扰进行测量。

A new way to measure the conducted electromagnetic interference , which regards the IGBT of injected port of primary winding in automobile port fire as a power supply working in switch model , has been provided .

以四种混沌电路&蔡氏电路、Lorenz系统、R（？）ssler系统及四阶电容电路作为混沌信号源，比较不同混沌源调制信号降低开关模式电源电磁干扰水平的效果。

Using Chua 's circuit , Lorenz system , Rossler system and the fourth-order capacitance circuit as chaotic signal sources , the effects of different chaotic sources on reducing EMI are compared .

李雅普诺夫指数降低开关模式电源电磁干扰水平研究

Research to Reduce Electromagnetic Interference Level of Switching-Mode Power Supply with Different Lyapunov Exponents

从开关模式电源电路中固有的混沌现象出发，提出了应用组合参数控制改变电路工作状态降低电磁干扰水平的思路。

On the base of chaos inherent in the switched-mode power supply the idea is present to uses controlling parameters to change the state of the circuit to reduce EMI level .

所得结果表明，利用开关模式电源中固有的混沌现象，通过简单的组合参数控制就可以在不附加任何外围电路的情况下降低开关模式电源的电磁干扰水平。

The simulation results demonstrate that by making use of chaos inherent in DC / DC Boost converter and controlling parameters we can reduce EMI level of the switched-mode power supply without any additional circuits being involved .

在对开关模式电源电路产生电磁干扰机理及其混沌特征进行分析的基础上，给出了利用混沌降低开关模式电源电磁干扰水平的三种方法。

With investigating how EMI occur in the switched-mode power supply circuits and what the chaos characteristic is of nonlinear system , three kinds of methods to reduce EMI level of switched-mode power supply based on chaos are presented .