虚拟机在舰艇编队一体化防御系统中的应用

面对信息化、远程精确打击的空袭作战,必须构建网络化、一体化的防空作战体系;主要针对舰艇编队一体化防御系统中无线网络的不可靠性,设计了基于嵌入式虚拟机的架构,提出了任务的动态分配和移植算法;首先根据作战环境中网络的拓扑条件,虚拟机动态的将控制任务分配到可靠的无线节点中,并实时监测网络状态,当网络结构发生变化时,将底层不可靠无线节点中的控制任务移植到可靠的无线节点中;通过这种方法可以解决作战环境恶劣和无线网络本身的不可靠引起的控制的不稳定性问题,确保防御任务的顺利进行;仿真结果表明,当编队一体化防御系统的链路发生故障时,此方法能够在不改变原有控制算法的基础上,迅速重建控制构架,不仅适用于舰艇编队一体化防御系统这种对时间要求和安全性要求高的系统,而且对基于无线网络的控制系统也有一定的借鉴意义。

Application of Virtual Machine in Warship Formation Defense System

In the face of information technology, long-range precision strike air combat, we must build networked, integrated air defense combat system. Due to unreliability of the wireless links and nodes in the warship formation, an embedded architecture is designed. Based on this architecture, a dynamic allocation and transplantation algorithm is proposed. According to the network topology of the operational environment, control task can be dynamically assigned to the wireless node by the virtual machine, and then network state is monitored. Our approach is to decouple the functionality from the inherently unreliable physical substrate and allow tasks to migrate/adapt to changes in the topology. This method can solve the instability problem caused by the bad environment and the wireless network. The simulation results show that when the links fault, it can reconstruct control architecture based on the same control algorithms. This is not only suitable for the integrated defense system of warship formation which is time-critical and safety-critical, but also for the control system based on wireless network.