Message load balancing method of 1553B bus

A load balancing and message technology, applied in the fields of avionics and satellite navigation, can solve the problems of bus congestion or saturation, unresolved message dynamic load balancing, and low algorithm execution efficiency, so as to reduce the average delay rate, optimize communication efficiency, and balance The effect of bus loading

Active Publication Date: 2017-11-21
TIANJIN JINHANG COMP TECH RES INST
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Problems solved by technology

In the above methods, both the calculation-based vector algorithm and the RMS scheduling algorithm are based on static load balancing, which does not solve the problem of dynamic load balancing of messages. When there are many aperiodic messages on the bus, it is easy to cause bus congestion or saturation; The relea

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  • Message load balancing method of 1553B bus
  • Message load balancing method of 1553B bus

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Embodiment Construction

[0035] In order to make the purpose, content, and advantages of the present invention clearer, the specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0036] In order to improve the efficiency and real-time performance of message transmission on the 1553B bus, reduce the average delay time of the bus and balance the bus load, the invention proposes a message load balancing method for the 1553B bus. This method optimizes the transmission of 1553B bus message data by using the load balancing scheduling strategy. The simulation experiment results show that after optimizing the load balancing scheduling of 1553B bus messages, it not only meets the maximum delay time requirement of each message and the real-time communication, but also improves the bus utilization rate and effectively alleviates the bus message congestion and saturation phenomenon , which solves the problem

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Abstract

The invention relates to a message load balancing method of a 1553B bus, and belongs to the technical fields of avionics and satellite navigation. The method performs rational organization on transmitted 1553B message blocks. Specifically, message transmission major cycle (maximum transmission cycle) and a minor cycle (minimum transmission cycle) on the 1553B bus are firstly determined. In a major cycle, the shorter the cycle of information transmission is, the higher the transmission number is. Therefore, in load balancing scheduling of messages, balancing scheduling on transmission time phase is started from the shortest cycle in which transmission number is highest, and then the messages of the second shortest cycle are scheduled, until scheduling is completed. The scheduling method reduces average delay rate of the bus, balances bus load, and achieves optimal communication efficiency.

Description

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Claims

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Application Information

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Owner TIANJIN JINHANG COMP TECH RES INST
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