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  • 1
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    Ground test experiment for large space structures, appendix I (1984)
    In:  Other Sources
    Details
    Publication Date: 2011-08-19
    Description: Marshall Space Flight Center has developed a Large Space Structure (LSS) ground test verification experiment facility having adequate fidelity and flexibility to accommodate the demands of LSS control theory testing. The first experiment is in the subsystem verification and integration phase. This test employs the ASTROMAST, a lightweight S glass composite deployable beam structure, as the test article and is cited to prove out centralized and distributed sensor control strategies.
    Keywords: SPACECRAFT DESIGN, TESTING AND PERFORMANCE
    Type: Control Dyn. Co. Definition of Ground Test for Verification of Large Space Struct. Control; 4 p
    Format: text
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    NASA TECHNICAL REPORTS
  • 2
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    Definition of ground test for Large Space Structure (LSS) control verification (1984)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: An overview for the definition of a ground test for the verification of Large Space Structure (LSS) control is given. The definition contains information on the description of the LSS ground verification experiment, the project management scheme, the design, development, fabrication and checkout of the subsystems, the systems engineering and integration, the hardware subsystems, the software, and a summary which includes future LSS ground test plans. Upon completion of these items, NASA/Marshall Space Flight Center will have an LSS ground test facility which will provide sufficient data on dynamics and control verification of LSS so that LSS flight system operations can be reasonably ensured.
    Keywords: SPACECRAFT DESIGN, TESTING AND PERFORMANCE
    Type: NASA-TM-86495 , NAS 1.15:86495
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 3
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    NASA/MSFC ground experiment for large space structure control verification (1984)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: Marshall Space Flight Center has developed a facility in which closed loop control of Large Space Structures (LSS) can be demonstrated and verified. The main objective of the facility is to verify LSS control system techniques so that on orbit performance can be ensured. The facility consists of an LSS test article which is connected to a payload mounting system that provides control torque commands. It is attached to a base excitation system which will simulate disturbances most likely to occur for Orbiter and DOD payloads. A control computer will contain the calibration software, the reference system, the alignment procedures, the telemetry software, and the control algorithms. The total system will be suspended in such a fashion that LSS test article has the characteristics common to all LSS.
    Keywords: SPACECRAFT DESIGN, TESTING AND PERFORMANCE
    Type: NASA-TM-86496 , NAS 1.15:86496
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 4
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    NASA/MSFC ground experiment for Large Space Structure control verification (1985)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: NASA Marshall Space Flight Center has developed a facility in which closed loop control of Large Space Structures (LSS) can be demonstrated and verified. The main objective of the facility is to verify LSS control system techniques so that on-orbit performance can be ensured. The facility consists of an LSS test article which is connected to a payload mounting system that provides control torque commands. It is attached to a base excitation system which will simulate disturbances most likely to occur for Orbiter and DOD payloads. A control computer will contain the calibration software, the reference system, the alignment procedures, the telemetry software, and the control algorithms. The total system will be suspended in such a fashion that LSS test article has the characteristics common to all LSS.
    Keywords: GROUND SUPPORT SYSTEMS AND FACILITIES (SPACE)
    Type: AIAA PAPER 85-0115
    Format: text
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    NASA TECHNICAL REPORTS
  • 5
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    Ground test experiment for large space structures (1985)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: In recent years a new body of control theory has been developed for the design of control systems for Large Space Structures (LSS). The problems of testing this theory on LSS hardware are aggravated by the expense and risk of actual in orbit tests. Ground tests on large space structures can provide a proving ground for candidate control systems, but such tests require a unique facility for their execution. The current development of such a facility at the NASA Marshall Space Flight Center (MSFC) is the subject of this report.
    Keywords: SPACECRAFT DESIGN, TESTING AND PERFORMANCE
    Type: NASA-TM-86489 , NAS 1.15:86489
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 6
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    Active control of large space structures: An introduction and overview (1985)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: An overview of the large space structure (LSS) control system design problem is presented. The LSS is defined as a class of system, and LSS modeling techniques are discussed. Model truncation, control system objectives, current control law design techniques, and particular problem areas are discussed.
    Keywords: SPACECRAFT DESIGN, TESTING AND PERFORMANCE
    Type: NASA-TM-86490 , NAS 1.15:86490
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 7
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    Definition of ground test for verification of large space structure control (1984)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: Control theory and design, dynamic system modelling, and simulation of test scenarios are the main ideas discussed. The overall effort is the achievement at Marshall Space Flight Center of a successful ground test experiment of a large space structure. A simplified planar model of ground test experiment of a large space structure. A simplified planar model of ground test verification was developed. The elimination from that model of the uncontrollable rigid body modes was also examined. Also studied was the hardware/software of computation speed.
    Keywords: SPACECRAFT DESIGN, TESTING AND PERFORMANCE
    Type: NASA-CR-171208 , NAS 1.26:171208
    Format: application/pdf
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    NASA TECHNICAL REPORTS
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