Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Method for searching instable periodic orbit of chaotic switching converter

A technology of switching converters and stable periods, which is applied in the field of modeling and analysis of nonlinear systems, and can solve problems such as not using harmonic characteristics of chaotic systems

Active Publication Date: 2016-08-17
SOUTH CHINA UNIV OF TECH
View PDF4 Cites 1 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing methods for finding unstable periodic orbits do not use the harmonic characteristics of chaotic systems in different nonlinear dynamic states, and search for unstable periodic orbits in chaotic attractors based on harmonic characteristics

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Method for searching instable periodic orbit of chaotic switching converter
  • Method for searching instable periodic orbit of chaotic switching converter
  • Method for searching instable periodic orbit of chaotic switching converter

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0059] The present invention will be further described below in conjunction with specific examples.

[0060] Such as Figures 1a to 1c As shown, the method for finding the unstable periodic orbit of the chaotic state switching converter described in the present invention comprises the following steps:

[0061] S1. Establish a system model of the switching converter working in the inductive continuous mode, including:

[0062] S11. According to the circuit principle, write the piecewise linear differential equation of the inductive continuous mode switching converter:

[0063] (1) State 1, the switch tube is turned on, the system state equation:

[0064] dx 1 ( t ) d ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a method for searching an instable periodic orbit of a chaotic switching converter, and the method continuously correct a former hypothetical result for the characteristics of the harmonic components of the instable periodic orbit according to the characteristic that a chaotic nonlinear system has periodic traversal through the assumption of the amplitude values of harmonic components of the orbit, the combination of a disturbance method and the principle of harmonic balance and the characteristics of the harmonic components of an inductance / current continuous mode DC-DC switcher at a chaotic state, and finally obtains an analytical expression of the instable periodic orbit relative to a chaotic attractor. The method provides a new idea for the searching of the instable period -n orbit in the inductance / current continuous mode DC-DC switcher at a chaotic state. Because the method is based on the principle of harmonic balance, the obtained instable periodic orbit expression can clearly reflect the harmonic components in the orbit, and can provide design basis for a chaotic controller based on a notching filter / delay feedback.

Description

technical field [0001] The present invention relates to the field of modeling and analysis of nonlinear systems, in particular to a method for finding the unstable periodic orbit of a switching converter in a chaotic state. Periodic ergodic characteristics of the chaotic state, using the characteristics of the harmonic components of the chaotic state, to find a method for engineering its unstable periodic orbit. Background technique [0002] According to the control goal, the chaos control method can be divided into the chaos control method that targets the unstable periodic orbit in the chaotic attractor of the original system, and the chaos control method that changes the dynamic structure of the original system so that the new system can work in a new stable state. There are two categories of chaos control methods for periodic orbits. [0003] The first type of chaos control method utilizes the periodic ergodic characteristics of the chaotic system. When the phase trajec...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): G05B13/04
CPCG05B13/042
Inventor 陈艳峰陈曦张波
Owner SOUTH CHINA UNIV OF TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com