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

Fault tolerance control system of uncertain system with performer fault

A fault-tolerant control and control system technology, applied in the field of communication, can solve problems such as system instability, system performance degradation, and network congestion

Active Publication Date: 2018-10-12
QINGDAO TECHNOLOGICAL UNIVERSITY
View PDF5 Cites 5 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The network control system is a closed-loop control system composed of sensors, controllers, actuators, and the network between them. However, due to problems such as limited network bandwidth and network congestion, network control systems inevitably experience delays, packet loss, and timing disorder. And other problems, to a certain extent, reduce the system performance and even 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
  • Fault tolerance control system of uncertain system with performer fault
  • Fault tolerance control system of uncertain system with performer fault
  • Fault tolerance control system of uncertain system with performer fault

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0049] Such as figure 1 It is a block diagram of the system structure of the present invention. The sensors, controllers and actuators all adopt a time-driven method, and the sampling time is synchronized. Considering the possible packet loss phenomenon in the network transmission process, the sensor and the controller, the controller and the actuator Adding switches to model packet loss.

[0050] Controlled objects of the network control system:

[0051]x(k+1)=Ax(k)+Bu(k) (1)

[0052] x(k) is the state input of the control system, u(k) is the control input, and A and B are constant matrices with certain dimensions.

[0053] In the actual control system, due to the interference of the external environment, the change of system parameters and the disturbance of unknown factors, there are uncertainties in the control system, and it is difficult to obtain an ideal system model. Considering the uncertainty, the controlled object model is:

[0054] x(k+1)=(A+ΔA)x(k)+(B+ΔB)u(k) (...

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 fault tolerance control system of an uncertain system with a performer fault. A sensor, a controller and a performer in the network all uses a time driven manner, sampling time are synchronized, possible packet loss in the network transmission process is taken into consideration, switches are added between the sensor and the controller and the controller and the performerrespectively to model data packet loss, a model of a controlled object is established, and whether the performer works normally is determined according to a performer fault matrix. The fault tolerance control system has the advantages of being stable, and capable of carrying out fault tolerance control effectively.

Description

technical field [0001] The invention belongs to the technical field of communication and relates to a communication fault-tolerant control system. Background technique [0002] With the rapid development of computer technology, control technology and communication technology, network control system has attracted great attention in modern industry because of its advantages of resource sharing, less wiring, low cost and convenient control. The network control system is a closed-loop control system composed of sensors, controllers, actuators, and the network between them. However, due to problems such as limited network bandwidth and network congestion, network control systems inevitably experience delays, packet loss, and timing disorder. And other problems, to a certain extent, reduce the system performance and even make the system unstable. In recent years, researchers have paid more attention to the safety performance of the system, and fault-tolerant control has become a ...

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 Applications(China)
IPC IPC(8): G05B23/02
CPCG05B23/0243G05B2219/24065
Inventor 赵景波沈汉文王众薛秉鑫廖鹏浩
Owner QINGDAO TECHNOLOGICAL UNIVERSITY
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