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针对分布式综合模块化航空电子网络分区方法,指出其对消息传输模式配置存在不确定性;通过形式化描述将问题转化为包括实时性约束、带宽约束、缓存约束的最优化问题;提出了基于遗传模拟退火的传输模式配置算法,以系统的消息端到端延迟均衡为优化目标.通过给出两个具体算例对算法有效性进行了验证,同时比较了本算法与传统遗传算法的性能.对比结果表明,本算法能够解决传输模式的配置问题,尽管计算时间较传统遗传算法高出18.1%,但所得到的适应度值高出28.7%.本算法为网络分区在实际航电系统中的应用提供了参考.
According to the distributed integrated modular avionics network zoning method, it is pointed out that there is uncertainty in the configuration of message transmission mode. The problem of formalization is transformed into the optimization problem including real-time constraint, bandwidth constraint and cache constraint. The algorithm of the transmission mode of genetic simulated annealing algorithm is optimized with the system end-to-end delay equalization of message.By giving two concrete examples, the validity of the algorithm is verified and the performance of this algorithm and the traditional genetic algorithm is compared. The comparison results show that this algorithm can solve the transmission mode configuration problem, although the computation time is 18.1% higher than the traditional genetic algorithm, but the obtained fitness value is higher than 28.7% .The algorithm is the network partition in the actual avionics system Application provides a reference.