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  • Other Sources  (2)
  • 1975-1979  (2)
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  • 1
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    Unknown
    Vacuum considerations in the design of a space simulator (1975)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: Vacuum considerations in the techniques for design, fabrication, and testing of space simulators are discussed. Particular emphasis is given to a diffusion pump-rotary pump combination for the vacuum system.
    Keywords: RESEARCH AND SUPPORT FACILITIES (AIR)
    Type: PAPER-40 , NASA. Goddard Space Flight Center 8th Conf. on Space Simulation; p 495-504
    Format: text
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
  • 2
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    Unknown
    Flight test design for efficient extraction of aircraft parameters (1976)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: This paper considers the design of flight control inputs which result in a minimization of the nonuniqueness problem of parameter identification due to statistical correlation. The performance index for the control design is taken as a linear weighted sum of the squares of the correlation coefficients of the aerodynamic stability and control derivatives as computed from the Cramer-Rao lower bound matrix. An optimal input design is demonstrated for an F-8 aircraft with supercritical wing. Reduced correlations are noted and corresponding estimates and confidence levels presented.
    Keywords: AIRCRAFT STABILITY AND CONTROL
    Type: Atmospheric Flight Mechanics Conference; Jun 07, 1976 - Jun 09, 1976; Arlington, TX
    Format: text
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
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