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

Adaptive order fractional order fuzzy PI lambda controller method

A fractional-order fuzzy and fuzzy controller technology, applied in the direction of adaptive control, general control system, control/regulation system, etc., can solve the problem of unable to control the dynamic adjustment parameters of the system

Inactive Publication Date: 2016-10-12
XIAN UNIV OF TECH
View PDF2 Cites 7 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The object of the present invention is to provide an adaptive order fractional fuzzy PI λ controller approach that solves the existing fractional-order PI λ The problem that the controller cannot dynamically adjust parameters for the control system

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
  • Adaptive order fractional order fuzzy PI lambda controller method
  • Adaptive order fractional order fuzzy PI lambda controller method
  • Adaptive order fractional order fuzzy PI lambda controller method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0082] The voltage outer loop transfer function of the PWM rectifier is:

[0083] G p ( s ) = K 1 - T v s 1 + T i s

[0084] The value of each parameter is:

[0085] T i = 0.5 R L C = 0.495 T v = LP ...

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 an adaptive order fractional order fuzzy PI lambda controller method. The method specifically includes the following steps that 1, three control parameters of a fractional order PI lambda controller are determined aiming at controlled object GP; 2, a fuzzy rule and a subordinating degree function are set up based on the fuzzy set theory, and a set-up fuzzy controller is added into the fractional order PI lambda controller and used for correcting the parameters; 3, the fractional order controller corrected by the fuzzy controller is connected into a control system, the fuzzy controller corrects the parameters of the PI lambda controller in real time according to input, and a needed control effect is achieved. The adaptive order fractional order fuzzy PI lambda controller method is high in response speed and small in overshoot, and has good robustness for disturbance.

Description

technical field [0001] The invention belongs to the technical field of automatic control principles, in particular to an adaptive order fractional fuzzy PI λ controller method. Background technique [0002] PI controller, full name proportional integral controller, is widely used in industrial control, but its ability to deal with bad working conditions is limited. In recent years, most researches have focused on improvement. [0003] Fractional calculus can be considered as an extension of classical integer calculus, but it has its own unique logic and grammatical rules. Commonly used fractional calculus definitions are: Riemann-Liouville (RL) definition, Grunwald-Letnikov (GL) definition and Caputo definition. Extending the PI controller from integer order to fractional order can significantly improve the degree of freedom of the controller and better control the controlled system. [0004] A control method using the basic idea and theory of fuzzy mathematics. In the t...

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
CPCG05B13/04
Inventor 杨宁宁韩宇超李萌萌贾嵘田录林
Owner XIAN 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