基于HLA和VEGA的海基靶场半实物视景仿真系统研究

为了在导弹试验任务中给指挥员提供决策支持,设计了一种基于HLA和VEGA的海基靶场半实物视景仿真系统。将三轴飞行转台、目标模拟器、负载模拟器等实物接入仿真系统,采用高层体系结构规范构建仿真系统的联邦架构,设计了联邦对象模型,建立了关键联邦成员的数学模型,解决了反射内存网与HLA的时间推进冲突问题,有效提高了仿真系统数据传输的实时性。采用Multigen-Creator软件建立了各个仿真实体的3D模型,利用Vega软件实现模型的渲染、场景驱动、声音仿真等。通过系统测试,结果表明：该视景仿真系统能够实时驱动各个仿真实体运行,视景画面流畅,图像刷新速率达到30帧/秒以上,满足系统实时性要求。

Research on Hardware-in-the-loop Visual Simulation System of the Oceanic Range Based on HLA and VEGA

In order to provide decision support for the commander in the missile experiment, a hardware-in-the-loop visual simulation system of the oceanic range based on HLA and VEGA is designed. The physicals such as the fly turntable with three axis, target simulator, load simulator, etc, are joined up the simulation system, the federal structure of simulation system is established by adopting high level architecture specification, the federal object model is designed, the mathematical models of the pivotal federal members are erected, the conflict problem of time advance between reflective memory network and HLA is resolved, which improves the real-time capability of data transmission in the simulation system. The 3D models of each simulation entity are established by adopting Multigen-Creator software, Vega software is utilized to realize the model rendering, the scene driving, and sound simulation, etc. Through the system testing, the results demonstrate that the visual simulation system can real-timely drive each simulation entity running, the visual picture is fluent, and the ratio of picture updating is more than 30 frames per second, which meets the demand of the real-time performance of the system.