Eureka AIR delivers breakthrough ideas for toughest innovation challenges, trusted by R&D personnel around the world.

Enhanced gjb289a bus communication management and scheduling method

A technology of bus communication and scheduling method, which is applied in the direction of digital transmission system, data exchange network, electrical components, etc., can solve the problem of inability to guarantee the consistency of data packet bus transmission sequence, reduce transmission jitter, ensure consistency, and improve efficiency Effect

Active Publication Date: 2021-12-24
XIAN AVIATION COMPUTING TECH RES INST OF AVIATION IND CORP OF CHINA
View PDF5 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] b. After the data packet split by the sending node is transmitted to the receiving node, the consistency of the data packet bus transmission sequence cannot be guaranteed;
[0009] c. The delay and jitter of accumulated transmission are highlighted

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
  • Enhanced gjb289a bus communication management and scheduling method
  • Enhanced gjb289a bus communication management and scheduling method
  • Enhanced gjb289a bus communication management and scheduling method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0053] The application task message queue is established in advance by the application layer software. The queue consists of five members: task message 1, task message 2, task message 3, task message 4 and task message 5, and is loaded into the designated storage space during initialization.

[0054] The network management message queue is established when it is initialized, and the queue includes two members, periodic message 1 and periodic message 2.

[0055] During the bus communication process, the burst message management queue is dynamically established according to the status of the communication and the requirements of the application tasks.

[0056] When the bus starts communication, task message 1, task message 2 and period message 1 normally start the bus transmission.

[0057] If task message 3 fails during transmission, periodic message 2 should be scheduled. According to this method, periodic message 2 needs to be inserted into the burst message management queue ...

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 belongs to the airborne network communication technology, and is an improved method for the traditional GJB289A bus communication management and scheduling strategy. Based on the traditional GJB289A bus communication management, the present invention adds a method for transmission processing and scheduling of emergencies or messages. The enhanced GJB289A communication management and scheduling method has the following advantages: real-time dynamic adjustment of bus load: through real-time management and control of burst messages, it provides a basis for real-time dynamic adjustment of bus load; reduces transmission delay and jitter: through real-time , Dynamic adjustment of bus load can effectively reduce transmission delay and accumulated jitter. Ensure the consistency of the split data transmission sequence. For the split transmission of large data, it can ensure that the data is sent and received in the same order; flexibility and efficiency: provide an effective processing mechanism for the application layer software to handle emergencies.

Description

Technical field: [0001] The invention belongs to the airborne network communication technology, and is an improvement and realization method of the traditional GJB289A bus communication management and scheduling mechanism. Background technique: [0002] Since the 1970s, with the evolution of the avionics system from a distributed analog structure to a distributed digital structure, the avionics data bus follower has transitioned from the ARINC429 / ARINC629 bus to the MIL-STD-1553B / 1773. The use of the new data bus has greatly improved the communication performance of the aircraft. More and more fields such as aviation, spaceflight, and ships use the GJB289A data bus to structure the communication network. The GJB289A data bus technology is becoming more and more mature and widely used. [0003] The full name of the GJB289A data bus is a digital time-division command / response multi-channel data bus, which is characterized by centralized control and distributed processing. As 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
Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/865H04L12/883H04L12/879H04L12/863H04L47/6275H04L49/901H04L49/9015
CPCH04L47/6275H04L47/6295H04L49/901H04L49/9015
Inventor 杨建茜范祥辉李卫鞠铭阳李雯
Owner XIAN AVIATION COMPUTING TECH RES INST OF AVIATION IND CORP OF CHINA
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
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