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

A Design Method of Fuzzy Type II Controller for Photoelectric Tracking System

A technology of photoelectric tracking system and fuzzy controller, applied in general control system, adaptive control, control/regulation system, etc., can solve problems such as inability to define the threshold of error, no theoretical basis, system instability, etc., to achieve enhanced dynamic Responsiveness, suppressing overshoot, and improving steady-state accuracy

Active Publication Date: 2022-04-19
INST OF OPTICS & ELECTRONICS - CHINESE ACAD OF SCI
View PDF7 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 1) Judging the timing of the on-off of the integration link: judging the on-off of the integration according to the size of the system error, but the error range of the system can only be measured through experiments, and the threshold of the error cannot be defined
In the previous work, the threshold was given artificially, and there was no theoretical basis
[0005] 2) The moment when the integration link is connected and disconnected will bring jitter to the system and make the system unstable

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
  • A Design Method of Fuzzy Type II Controller for Photoelectric Tracking System
  • A Design Method of Fuzzy Type II Controller for Photoelectric Tracking System
  • A Design Method of Fuzzy Type II Controller for Photoelectric Tracking System

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0052] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0053] A kind of fuzzy type II controller design method for the photoelectric tracking system of the present invention comprises:

[0054] 1. Establish the mathematical model of the classic double closed-loop system of the photoelectric tracking system, such as figure 2 , it can be seen from the transfer function that this is obviously an I-type system, and its static error coefficient is calculated. The steady-state error of the system step response is expressed as:

[0055]

[0056] It can be seen from the formula that when the error input signal contains the acceleration signal, the Type I system will have a large error. We naturally consider that increasing the system type will increase the static error system, thereby reducing the error.

[0057] 2. in figure 2 On the basis of incorporating the fuzzy controller and the i...

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 provides a fuzzy II controller design method for a photoelectric tracking system, which belongs to the field of photoelectric system tracking control. Adding an integral link to the commonly used double closed-loop type I system improves the type and becomes a type II system, which can improve and reduce the steady-state error, but it will increase the overshoot of the system step response and aggravate the system oscillation. The present invention introduces a fuzzy controller in series with the integral link and then connects it in parallel to the forward path of the photoelectric tracking system, judges the gain of the integral link through the error state, and solves the large overshoot that occurs during tracking while improving the steady-state accuracy of the system problems, and effectively suppress the shock caused by the type increase. The present invention does not depend on precise mathematical models, is not limited to specific systems, and has wide applicability.

Description

technical field [0001] The invention belongs to the field of photoelectric system tracking control, and in particular relates to a design method for a fuzzy type II controller for a photoelectric tracking system. Solve the problem of high-level system oscillation, and fully improve the steady-state tracking accuracy of the photoelectric system. Background technique [0002] The photoelectric tracking system is a multidisciplinary technology integrating light, machinery and electricity. It is mainly used in the fields of moving target trajectory measurement, celestial object observation, spacecraft orbit determination, and space beam communication. It has a wide range of application values. At present, the speed of target movement is getting faster and faster with the development of technology, and the maneuverability is stronger, so tracking error is inevitable. The high-type system can effectively suppress the system tracking error and improve the steady-state accuracy of ...

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
Patent Type & Authority Patents(China)
IPC IPC(8): G05B13/04
CPCG05B13/042
Inventor 秦树旺包启亮毛耀段倩文邓久强
Owner INST OF OPTICS & ELECTRONICS - CHINESE ACAD OF SCI
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