Item Details

Flight Results From a Study of Aided Inertial Navigation Applied to Landing Operations

by Leonard A. McGee ... [et al.]
Format
Book; Government Document; Online; EBook
Published
Washington, D.C. : National Aeronautics and Space Administration ; [Springfield, Va. : For sale by the National Technical Information Service], 1973.
Language
English
Series
NASA Technical Note
Summary
An evaluation is presented of the approach and landing performance of a Kalman filter aided inertial navigation system using flight data obtained from a series of approaches and landings of the CV-340 aircraft at an instrumented test area. A description of the flight test is given, in which data recorded included: (1) accelerometer signals from the platform of an INS; (2) three ranges from the Ames-Cubic Precision Ranging System; and (3) radar and barometric altimeter signals. The method of system evaluation employed was postflight processing of the recorded data using a Kalman filter which was designed for use on the XDS920 computer onboard the CV-340 aircraft. Results shown include comparisons between the trajectories as estimated by the Kalman filter aided system and as determined from cinetheodolite data. Data start initialization of the Kalman filter, operation at a practical data rate, postflight modeling of sensor errors and operation under the adverse condition of bad data are illustrated.
Description
vi, 38 p. : ill. ; 27 cm.
Mode of access: Internet.
Notes
  • Prepared at Ames Research Center and Analytical Mechanics Associates.
  • Cover title.
  • Bibliography: p. 38.
Series Statement
NASA technical note ; NASA TN D-7302
Logo for No Copyright - United StatesNo Copyright - United States
Technical Details

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    a| Flight results from a study of aided inertial navigation applied to landing operations c| by Leonard A. McGee ... [et al.].
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    a| Washington, D.C. : b| National Aeronautics and Space Administration ; a| [Springfield, Va. : b| For sale by the National Technical Information Service], c| 1973.
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    a| vi, 38 p. : b| ill. ; c| 27 cm.
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    a| NASA technical note ; v| NASA TN D-7302
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    a| Prepared at Ames Research Center and Analytical Mechanics Associates.
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    a| Cover title.
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    a| Bibliography: p. 38.
    520
      
      
    a| An evaluation is presented of the approach and landing performance of a Kalman filter aided inertial navigation system using flight data obtained from a series of approaches and landings of the CV-340 aircraft at an instrumented test area. A description of the flight test is given, in which data recorded included: (1) accelerometer signals from the platform of an INS; (2) three ranges from the Ames-Cubic Precision Ranging System; and (3) radar and barometric altimeter signals. The method of system evaluation employed was postflight processing of the recorded data using a Kalman filter which was designed for use on the XDS920 computer onboard the CV-340 aircraft. Results shown include comparisons between the trajectories as estimated by the Kalman filter aided system and as determined from cinetheodolite data. Data start initialization of the Kalman filter, operation at a practical data rate, postflight modeling of sensor errors and operation under the adverse condition of bad data are illustrated.
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    a| Mode of access: Internet.
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    a| Kalman filtering.
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    a| Inertial navigation (Aeronautics)
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    a| Inertial navigation systems.
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    a| Airplanes x| Landing x| Equipment and supplies.
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    a| Merrick, Robert B.
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    a| Carson, Thomas M.
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    a| Hegarty, Daniel H.
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    a| Smith, Gerald L.
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    a| United States. b| National Aeronautics and Space Administration.
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    a| Analytical Mechanics Associates.
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    a| Ames Research Center.
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