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  • Propellants and Fuels  (4)
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  • 1
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    Integrated Ground Operations Demonstration for Responsive Space Access (2013)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: Integrated Ground Operations Demonstration Units (IGODU) project developed to mature, integrate and demonstrate advancements in cryogenics, system health management and command and control technologies. Two Distinct Testing Environments: a) GODU Integrated Refrigeration and Storage - GODU LH2; b) GODU Autonomous Control - GODU LO2. Scope: I. GODU LH2: a) Investigate alternative storage and distribution architecture for future cryogenic propellant operations. b) Demonstrate advanced cryogenic propellant handling operations (liquefaction, storage and distribution) of normal boiling point and sub-cooled cryogenic propellants. II. GODU L02: a) Develop and demonstrate advanced control and health management technologies and techniques to autonomously control cryogenic propellant servicing operations. b) Investigate modern COTS hardware and control systems in an effort to reduce the "standing army" of engineers associated with maintaining and operating ground systems through the use of health management and autonomous control technologies. Goals: a) Raise Technology Readiness Levels (TRL) and Integration Readiness Levels (IRL) of several key technology development areas. b) Reduce operations lifecycle costs of future test programs and launch complexes. c) Demonstrate technologies for future exploration beyond low earth orbit. d) Serve as test environments for extraterrestrial surface operations.
    Keywords: Propellants and Fuels
    Type: KSC-2013-164 , Commercial and Government Respnsive Access to Space Technology Exhibit (CRASTE) 2013; Jun 24, 2013 - Jun 27, 2013; Bellevue, WA; United States
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 2
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    Integrated Ground Operations Demonstration Units Testing Plans and Status (2012)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: Cryogenic propellant loading operations with their associated flight and ground systems are some of the most complex, critical activities in launch operations. Consequently, these systems and operations account for a sizeable portion of the life cycle costs of any launch program. NASA operations for handling cryogens in ground support equipment have not changed substantially in 50 years, despite advances in cryogenics, system health management and command and control technologies. This project was developed to mature, integrate and demonstrate advancement in the current state of the art in these areas using two distinct integrated ground operations demonstration units (GODU): GODU Integrated Refrigeration and Storage (IRAS) and GODU Autonomous Control
    Keywords: Propellants and Fuels
    Type: KSC-2012-246 , AIAA Space 2012; Sep 11, 2012 - Sep 13, 2012; Pasadena, CA; United States
    Format: application/pdf
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
  • 3
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    Integrated Ground Operations Demonstration for Responsive Space Access (2014)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: The NASA Advanced Exploration Systems (AES) program has a three year project to develop and demonstrate technologies to fundamentally change the way ground servicing activities support future access to space architectures. The AES Integrated Ground Operation Demonstration Units (IGODU) project has created two test beds for investigating and maturing two key elements of spaceport processing activities. The first is the GODU Integrated Refrigeration and Storage test bed that is demonstrating zero-loss storage of liquid hydrogen propellants and studying the storage and transfer of densified propellants. The second activity is the GODU Autonomous Control test bed that is implementing health management technologies and autonomous control capability of the propellant loading process to reduce the standing army of experts historically needed to ensure safe propellant loading operations. This presentation will give an overview of the activities at the Kennedy Space Center on these two test beds and its potential impact on future access to space programs.
    Keywords: Propellants and Fuels
    Type: KSC-E-DAA-TN15825 , Commercial and Government Responsive Access to Space 2014 (CRASTE 2014); Jun 23, 2014 - Jun 26, 2014; Huntsville, AL; United States
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 4
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    Applying Model-based Diagnosis to a Rapid Propellant Loading System (2009)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: The overall objective of the US Air Force Research Laboratory (AFRL) Rapid Propellant Loading (RPL) Program is to develop a launch vehicle, payload and ground support equipment that can support a rapid propellant load and launch within one hour. NASA Kennedy Space Center (KSC) has been funded by AFRL to develop hardware and software to demonstrate this capability. The key features of the software would be the ability to recognize and adapt to failures in the physical hardware components, advise operators of equipment faults and workarounds, and put the system in a safe configuration if unable to fly. In December 2008 NASA KSC and NASA Ames Research Center (ARC) demonstrated model based simulation and diagnosis capabilities for a scaled-down configuration of the RPL hardware. In this paper we present a description of the model-based technologies that were included as part of this demonstration and the results that were achieved. In continuation of this work we are currently testing the technologies on a simulation of the complete RPL system. Later in the year, when the RPL hardware is ready, we will be integrating these technologies with the real-time operation of the system to provide live state estimates. In future years we will be developing the capability to recover from faulty conditions via redundancy and reconfiguration.
    Keywords: Propellants and Fuels
    Type: ARC-E-DAA-TN531 , 20th Intertaional Workshop on Principles of Diagnosis (DX-09); Jun 14, 2009 - Jun 17, 2009; Stockholm; Sweden
    Format: application/pdf
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
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