Abstract
A highly, functional Integrated Systems Health Management (ISHM) system holds great promise to significantly improve safety, reliability, affordability and sustainability for future space exploration systems. Military and commercial aircraft systems, such as Boeing’s 777 airliner and Northrop’s B-2 Bomber, have successfully implemented sophisticated ISHM systems and have already witnessed the benefits in safety, affordability and maintainability. While there has been much progress made in applying ISHM to aircraft including the Joint Strike Fighter, an advanced ISHM system has not yet been employed on current US launch or space systems. In addition, to meet the demands of a space environment including long communication delays, high response needs, lighter weight/lower power and affordability constraints, a higher level of autonomy and reconfigurability will be needed on future ISHM systems to enable future exploration systems to meet its goals. Under the Next Generation Launch Technology (NGLT) Program, a multi-center NASA team worked to develop an ISHM development plan and implementation approach for next generation reusable vehicles. Elements of this plan can be applied to the current NASA Exploration Program. Subsystem domain experts from various centers were assembled to help develop the NGLT ISHM plans and identify technology needs. The technology needs ranged from system engineering design and optimization processes to advanced sensors, data mining tools, advanced diagnostic and prognostic algorithms and intelligent software managers and planners. Various facilities and flight vehicles were also considered for use as virtual and hardware testbeds to demonstrate ISHM capabilities. In addition, an ISHM concept of operations plan was developed to describe how ISHM will function through all operational phases of future Exploration Systems. A summary of these plans will be presented in this paper and recommendations will be made for further development.
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