Abstract
Aiming at the problem of reconfiguration strategy of integrated avionics system, a method of static load balancing strategy optimization based on graph theory is proposed after satisfying system performance and reliability requirements. This method establishes the IMA static load balancing strategy analysis model based on graph theory and puts forward the load balance evaluation indexes of IMA system:The maximum load value of the system partition obtained by allocating the maximum load value of the processor according to the time slice length;the longest communication link for the transmission of information between tasks;and the maximum traffic volume on the communication line. With the three evaluation indexes synthesizing, the unitary evaluation index of the IMA system load balancing strategy is put forward. On the basis of this method, the future research direction of load balancing of IMA system is prospected.
Highlights
The IMA system reconfigures the operating system and application software through refactoring
With reference to the analysis of load balancing in distributed system, this paper proposes an optimization method of IMA system reconfiguration strategy based on load balancing
This method establishes the IMA static load balancing strategy analysis model based on graph theory and puts forward the load balance evaluation indexes of IMA system
Summary
The IMA system reconfigures the operating system and application software through refactoring. Most of the existing IMA software refactoring analytical methods are merely generating configuration files through a model containing configuration information and directly analyzing the schedulability and resource constraints, while lacking of an overall assessment method to IMA system availability. With reference to the analysis of load balancing in distributed system, this paper proposes an optimization method of IMA system reconfiguration strategy based on load balancing. This method establishes the IMA static load balancing strategy analysis model based on graph theory and puts forward the load balance evaluation indexes of IMA system
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