Mixed Reality (XR) as a Validation Method for Digital Modeling of Space Habitats

This paper presents and discusses strategies for integrating XR technologies into iterative design processes for modelling and testing space structures, specifically habitats and other facilities for crew operations. The proposed methodology was developed during a six-month research and design study of lunar surface architectures sponsored by The Boeing Company and conducted by the faculty and students of the University of Houston’s Sasakawa International Center for Space Architecture. The study aimed to define a design process that includes possible surface operations scenarios (ConOps), development of an evaluation methodology, and surface ConOps analysis for the conceptual design of a lunar terrain vehicle (LTV) and a small lunar habitat (SLH). Design decision validation methodology involved development of a 3D computer model of surface systems that included a small lunar habitat and lunar transfer vehicle, in addition, low fidelity physical operation elements such as a STB of a selected size were developed for integrating it within the created VR environment for immersive testing and evaluation. The proposed in the study framework suggests a number of available technologies that are part of the industry standard for VR applications. The objective of the phased implementation strategy is to integrate a new evaluation process in the testing loop without disrupting currently employed design validation standards, offer a new capability that will provide an in-depth design analysis improving the overall design process, and interfacing it with current evaluation standards. The paper presents the results of the study and defines the next steps of advancing XR technologies applications for testing and evaluation of design solutions for space applications. Such steps will include defining the limitations of XR applications for testing and validating design options and associated interfaces; the most efficient way of integrating ConOps and mission scenarios in the simulated environment; and technology requirements for performing immersive simulations and design evaluations.