High-integrity coding method of 1553B bus

A coding method and integrity technology, applied in the field of high-integrity coding of 1553B bus, can solve the problems of simple technology, confusing recognition, poor integrity, etc., and achieve the effect of simple technology, low difficulty, and improved integrity

Active Publication Date: 2016-03-16
陕西钧磐数据科技有限公司
View PDF4 Cites 4 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] In order to overcome the shortcomings of the poor integrity of the existing 1553B bus encoding method, the present invention provides a high integrity encoding method for the 1553B bus
In this method, by improving the encoding method of the synchronization header of the 1553B bus instruction word and status word, BM can clearly distinguis...

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
  • High-integrity coding method of 1553B bus
  • High-integrity coding method of 1553B bus
  • High-integrity coding method of 1553B bus

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0034] refer to Figure 1-7 . The specific steps of the high-integrity encoding method of the 1553B bus of the present invention are as follows:

[0035] 1. Optimized design of 1553B bus word sync header encoding.

[0036] The present invention proposes a kind of synchronous head code way that changes instruction word and state word, changes the length of each type of word into 18 bits, and the first bit of each word is the synchronous head, and the effective information bit in the middle is still 16 bits, and The last 1 bit is an odd parity bit.

[0037] The specific improvement scheme is: when the synchronous header is an invalid Manchester waveform, and its width is 1 bit. Which refers to figure 1 , the waveform of the first 1 / 4 bit and 1 / 2 to 3 / 4 bit of the synchronous head of the instruction word is positive, and the waveform of 1 / 4 to 1 / 2 bit and the last 1 / 4 bit is negative; refer to figure 2 , the waveform of the first 3 / 4 bits of the synchronous header of the 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 high-integrity coding method of a 1553B bus, and is used to solve the technical problem of poor integrity of an existing 1553B bus coding method. According to the technical scheme, a synchronous head coding mode of an instruction character and a state character of the 1553B bus is improved, a BM clearly distinguishes the instruction character and the state character from different code identification angles, a message interface is divided easily, determinacy of a bus semantic rule is achieved, a confusion identification problem of a 1553B bus monitor for the bus instruction character and the state character is solved, implementation technology is simple, and the difficulty is small. Optimization design of a vertical odd parity character of a 1553B bus message is increased, so the bit error detection rate of bus transmission is improved, the problems of time indeterminacy and the like which exist when bus error retransmission is performed are reduced, and integrity of a transmission content is improved. The method improves the integrity of the 1553B bus and the effective throughput rate of the 1553B bus at the same time, and shortens message delay transmission efficiency.

Description

technical field [0001] The invention relates to a bus encoding method, in particular to a high-integrity encoding method for a 1553B bus. Background technique [0002] The "MIL-STD-1553B Digital time division command / response multiplex data bus, dated 21 September 1978" (hereinafter referred to as the 1553B bus standard) promulgated by the US Department of Defense stipulates that the 1553B bus can be connected to 32 terminals. There are three types of terminals: bus controller (BC, BusController), remote Terminal (RT, RemoteTerminal) and bus monitor (BM, BusMonitor). BC is the only terminal on the bus that can organize the transmission of data messages; RT is the terminal that accepts the control of BC on the bus and completes message sending or receiving; BM is the terminal that receives messages on the bus and can have selective records, and it only "monitors" the information on the bus. Information transfers but does not participate in bus communication. [0003] The 15...

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): H04L1/00H04L12/40
CPCH04L1/0061H04L12/40006
Inventor 王文萱翟碧瑄翟正军
Owner 陕西钧磐数据科技有限公司
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
Try Eureka
PatSnap group products

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

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap