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Architecture and design to support rapid prototyping and multiple dynamic models for the Virtual SpacePlane project

机译：支持Virtual SpacePlane项目的快速原型制作和多种动态模型的体系结构和设计

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Abstract: The advent of requirements for rapid and economicaldeployment of national space assets in support of AirForce operational missions has resulted in the need fora Manned SpacePlane (MSP) that can perform militarymissions with minimal preflight preparation and littleif any in-orbit support from a mission control center.In this new approach to space operations, successfulmission accomplishment will depend almost completelyupon the MSP crew and upon the on- board capabilitiesof the spaceplane. In recognition of the challengesthat will be faced by the MSP crew and to begin toaddress these challenges, the USAF Air Force ResearchLaboratory (Phillips Laboratory) initiated the VirtualSpacePlane (VSP) project. To support the MSP, the VSPmust demonstrate a broad, functional subset of theanticipated missions and capabilities of the MSPthroughout its entire flight regime, from takeoffthrough space operations and on through landing.Additionally, the VSP must execute the anticipated MSPmissions in a realistic and tactically sound mannerwithin a distributed virtual environment. Furthermore,the VSP project must also uncover, refine and validateMSP user interface requirements, design and demonstratean intelligent user interface for the VSP, and designand implement a prototype VSP that can be used todemonstrate Manned SpacePlane missions. To enable us tomake rapid progress on the project, we employedportions of the Virtual Cockpit and Solar SystemModeler distributed virtual environment applications,and the Common Object Database (CODB) architecturetools developed in our labs. The Virtual Cockpit andSolar System Modeler supplied baseline interfacecomponents and tools, 3D graphical models, vehiclemotion dynamics models, and VE communicationcapabilities. We use the CODB architecture tofacilitate our use of Rapid Evolutionary andExploratory Prototyping to uncover applicationrequirements and evaluate solutions. The InformationPod provides the paradigm and architectural frameworkfor the user interface development. To achieve accurateand high fidelity performance for the VSP throughoutits operational regime, the system integratesaerodynamics and astrodynamics models into a singleseamless high fidelity model of the VSP's dynamics. Inthis paper we discuss the software architecture anddesign of the Virtual SpacePlane and describe how itsupports the transition between motion models, thedesign of the dynamics software module, and techniquesfor employment of multiple dynamics models within asingle virtual environment actor. We describe how weused rapid prototyping to refine requirements, improvethe implementation, and accommodate new requirementsthroughout the project. We conclude the paper with abrief discussion of results and present suggestions foradditional work.!35
机译：摘要：为支持空军的飞行任务而对国家空间资产进行快速，经济部署的要求的出现，导致需要一种载人航天飞机（MSP），该飞机可以执行军事任务，而飞行前的准备工作最少，并且几乎没有任务控制的在轨支持在这种新的太空操作方法中，成功完成任务将几乎完全取决于MSP机组人员以及太空飞机的机载能力。为了认识到MSP机组人员将面临的挑战并开始应对这些挑战，美国空军空军研究实验室（菲利普斯实验室）发起了VirtualSpacePlane（VSP）项目。为了支持MSP，VSP必须在其整个飞行状态（从起飞太空运行到着陆）中展示MSP预期任务和功能的广泛功能子集。分布式虚拟环境中的方式。此外，VSP项目还必须发现，完善和验证MSP用户界面要求，设计和演示VSP的智能用户界面，以及设计和实现可用于演示载人航天飞机任务的VSP原型。为了使我们能够在该项目上取得快速进展，我们使用了部分虚拟驾驶舱和Solar SystemModeler分布式虚拟环境应用程序，以及在我们的实验室中开发的通用对象数据库（CODB）架构工具。 Virtual Cockpit andSolar System Modeler提供了基准界面组件和工具，3D图形模型，车辆运动动力学模型以及VE通信功能。我们使用CODB体系结构来促进快速进化和探索性原型的使用，以发现应用程序需求并评估解决方案。 InformationPod为用户界面开发提供了范例和体系结构框架。为了在VSP的整个运行过程中实现准确，高保真的性能，系统将空气动力学和天体动力学模型集成到VSP动力学的单无缝高保真模型中。在本文中，我们讨论了Virtual SpacePlane的软件体系结构和设计，并描述了它如何支持运动模型之间的转换，动力学软件模块的设计以及在单个虚拟环境参与者中使用多个动力学模型的技术。我们描述了如何使用快速原型来完善需求，改进实施并在整个项目中适应新需求。最后，我们对结果进行了简短的讨论，并提出了其他工作的建议。35

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