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Flight Test Of An Adaptive Configuration Optimization System For Transport Aircraft Nasa Tm 1999 206569 Mar 1 1999
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Book Synopsis FLIGHT TEST OF AN ADAPTIVE CONFIGURATION OPTIMIZATION SYSTEM FOR TRANSPORT AIRCRAFT... NASA/TM-1999-206569... MAR. 1, 1999 by : United States. National Aeronautics and Space Administration
Download or read book FLIGHT TEST OF AN ADAPTIVE CONFIGURATION OPTIMIZATION SYSTEM FOR TRANSPORT AIRCRAFT... NASA/TM-1999-206569... MAR. 1, 1999 written by United States. National Aeronautics and Space Administration and published by . This book was released on 1999* with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Flight Test of an Adaptive Configuration Optimization System for Transport Aircraft by : Glenn B. Gilyard
Download or read book Flight Test of an Adaptive Configuration Optimization System for Transport Aircraft written by Glenn B. Gilyard and published by . This book was released on 1999 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Flight Test of an Adaptive Configuration Optimization System for Transport Aircraft by : Glenn B. Gilyard
Download or read book Flight Test of an Adaptive Configuration Optimization System for Transport Aircraft written by Glenn B. Gilyard and published by . This book was released on 1999 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Flight Test of an Adaptive Configuration System for Transport Aircraft by : Glenn B. Gilyard
Download or read book Flight Test of an Adaptive Configuration System for Transport Aircraft written by Glenn B. Gilyard and published by . This book was released on 1999 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Flight Test Results from the NF-15B Intelligent Flight Control System (IFCS) Project with Adaptation to a Simulated Stabilator Failure by : National Aeronaut Administration (Nasa)
Download or read book Flight Test Results from the NF-15B Intelligent Flight Control System (IFCS) Project with Adaptation to a Simulated Stabilator Failure written by National Aeronaut Administration (Nasa) and published by . This book was released on 2020-08-05 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: Adaptive flight control systems have the potential to be more resilient to extreme changes in airplane behavior. Extreme changes could be a result of a system failure or of damage to the airplane. A direct adaptive neural-network-based flight control system was developed for the National Aeronautics and Space Administration NF-15B Intelligent Flight Control System airplane and subjected to an inflight simulation of a failed (frozen) (unmovable) stabilator. Formation flight handling qualities evaluations were performed with and without neural network adaptation. The results of these flight tests are presented. Comparison with simulation predictions and analysis of the performance of the adaptation system are discussed. The performance of the adaptation system is assessed in terms of its ability to decouple the roll and pitch response and reestablish good onboard model tracking. Flight evaluation with the simulated stabilator failure and adaptation engaged showed that there was generally improvement in the pitch response; however, a tendency for roll pilot-induced oscillation was experienced. A detailed discussion of the cause of the mixed results is presented. Bosworth, John T. and Williams-Hayes, Peggy S. Armstrong Flight Research Center NASA/TM-2007-214629, H-2751, AIAA-2007-2818 ADAPTIVE CONTROL; FLIGHT CONTROL; NEURAL NETS; FORMATION FLYING; AIRCRAFT STABILITY; STABILITY TESTS; ADAPTATION; ROLL; SYSTEM FAILURES; FLIGHT SIMULATION; STABILIZERS; FLIGHT TEST VEHICLES
Book Synopsis ESTIMATION OF AIRCRAFT NONLINEAR UNSTEADY PARAMETERS FROM WIND TUNNEL DATA... NASA/TM-1998-208969... MAR. 1, 1999 by : United States. National Aeronautics and Space Administration
Download or read book ESTIMATION OF AIRCRAFT NONLINEAR UNSTEADY PARAMETERS FROM WIND TUNNEL DATA... NASA/TM-1998-208969... MAR. 1, 1999 written by United States. National Aeronautics and Space Administration and published by . This book was released on 1999* with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781724217134 Total Pages :502 pages Book Rating :4.2/5 (171 download)
Book Synopsis Flight Test Evaluation of the E-Systems Differential GPS Category 3 Automatic Landing System by : National Aeronautics and Space Administration (NASA)
Download or read book Flight Test Evaluation of the E-Systems Differential GPS Category 3 Automatic Landing System written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-24 with total page 502 pages. Available in PDF, EPUB and Kindle. Book excerpt: Test flights were conducted to evaluate the capability of Differential Global Positioning System (DGPS) to provide the accuracy and integrity required for International Civil Aviation Organization (ICAO) Category (CAT) III precision approach and landings. These test flights were part of a Federal Aviation Administration (FAA) program to evaluate the technical feasibility of using DGPS based technology for CAT III precision approach and landing applications. An IAI Westwind 1124 aircraft (N24RH) was equipped with DGPS receiving equipment and additional computing capability provided by E-Systems. The test flights were conducted at NASA Ames Research Center's Crows Landing Flight Facility, Crows Landing, California. The flight test evaluation was based on completing 100 approaches and landings. The navigation sensor error accuracy requirements were based on ICAO requirements for the Microwave Landing System (MLS). All of the approaches and landings were evaluated against ground truth reference data provided by a laser tracker. Analysis of these approaches and landings shows that the E-Systems DGPS system met the navigation sensor error requirements for a successful approach and landing 98 out of 100 approaches and landings, based on the requirements specified in the FAA CAT III Level 2 Flight Test Plan. In addition, the E-Systems DGPS system met the integrity requirements for a successful approach and landing or stationary trial for all 100 approaches and landings and all ten stationary trials, based on the requirements specified in the FAA CAT III Level 2 Flight Test Plan. Kaufmann, David N. and Mcnally, B. David Ames Research Center NASA-TM-110368, NAS 1.15:110368, A-950096 ...
Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781722240912 Total Pages :44 pages Book Rating :4.2/5 (49 download)
Book Synopsis Flight Test Experience and Controlled Impact of a Remotely Piloted Jet Transport Aircraft by : National Aeronautics and Space Administration (NASA)
Download or read book Flight Test Experience and Controlled Impact of a Remotely Piloted Jet Transport Aircraft written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-03 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Dryden Flight Research Center Facility of NASA Ames Research Center (Ames-Dryden) and the FAA conducted the controlled impact demonstration (CID) program using a large, four-engine, remotely piloted jet transport airplane. Closed-loop primary flight was controlled through the existing onboard PB-20D autopilot which had been modified for the CID program. Uplink commands were sent from a ground-based cockpit and digital computer in conjunction with an up-down telemetry link. These uplink commands were received aboard the airplane and transferred through uplink interface systems to the modified PB-20D autopilot. Both proportional and discrete commands were produced by the ground system. Prior to flight tests, extensive simulation was conducted during the development of ground-based digital control laws. The control laws included primary control, secondary control, and racetrack and final approach guidance. Extensive ground checks were performed on all remotely piloted systems; however, piloted flight tests were the primary method and validation of control law concepts developed from simulation. The design, development, and flight testing of control laws and systems required to accomplish the remotely piloted mission are discussed. Horton, Timothy W. and Kempel, Robert W. Armstrong Flight Research Center RTOP 505-44-24...
Book Synopsis Flight Control System Development and Flight Test Experience with the F-111 Mission Adaptive Wing Aircraft by :
Download or read book Flight Control System Development and Flight Test Experience with the F-111 Mission Adaptive Wing Aircraft written by and published by . This book was released on 1986 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781724217257 Total Pages :480 pages Book Rating :4.2/5 (172 download)
Book Synopsis Flight Test Evaluation of the Stanford University/United Airlines Differential GPS Category 3 Automatic Landing System by : National Aeronautics and Space Administration (NASA)
Download or read book Flight Test Evaluation of the Stanford University/United Airlines Differential GPS Category 3 Automatic Landing System written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-24 with total page 480 pages. Available in PDF, EPUB and Kindle. Book excerpt: Test flights were conducted to evaluate the capability of Differential Global Positioning System (DGPS) to provide the accuracy and integrity required for International Civil Aviation Organization (ICAO) Category (CAT) 3 precision approach and landings. These test flights were part of a Federal Aviation Administration (FAA) program to evaluate the technical feasibility of using DGPS based technology for CAT 3 precision approach and landing applications. A United Airlines Boeing 737-300 (N304UA) was equipped with DGPS receiving equipment and additional computing capability provided by Stanford University. The test flights were conducted at NASA Ames Research Center's Crows Landing Flight Facility, Crows Landing, California. The flight test evaluation was based on completing 100 approaches and autolandings; 90 touch and go, and 10 terminating with a full stop. Two types of accuracy requirements were evaluated: 1) Total system error, based on the Required Navigation Performance (RNP), and 2) Navigation sensor error, based on ICAO requirements for the Microwave Landing System (MLS). All of the approaches and autolandings were evaluated against ground truth reference data provided by a laser tracker. Analysis of these approaches and autolandings shows that the Stanford University/United Airlines system met the requirements for a successful approach and autolanding 98 out of 100 approaches and autolandings, based on the total system error requirements as specified in the FAA CAT 3 Level 2 Flight Test Plan. Kaufmann, David N. and Ncnally, B. David Ames Research Center NASA-TM-110354, A-950066, NAS 1.15:110354 RTOP 505-64-13...
Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781721668342 Total Pages :26 pages Book Rating :4.6/5 (683 download)
Book Synopsis A Subsonic Aircraft Design Optimization with Neural Network and Regression Approximators by : National Aeronautics and Space Administration (NASA)
Download or read book A Subsonic Aircraft Design Optimization with Neural Network and Regression Approximators written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-06-21 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Flight-Optimization-System (FLOPS) code encountered difficulty in analyzing a subsonic aircraft. The limitation made the design optimization problematic. The deficiencies have been alleviated through use of neural network and regression approximations. The insight gained from using the approximators is discussed in this paper. The FLOPS code is reviewed. Analysis models are developed and validated for each approximator. The regression method appears to hug the data points, while the neural network approximation follows a mean path. For an analysis cycle, the approximate model required milliseconds of central processing unit (CPU) time versus seconds by the FLOPS code. Performance of the approximators was satisfactory for aircraft analysis. A design optimization capability has been created by coupling the derived analyzers to the optimization test bed CometBoards. The approximators were efficient reanalysis tools in the aircraft design optimization. Instability encountered in the FLOPS analyzer was eliminated. The convergence characteristics were improved for the design optimization. The CPU time required to calculate the optimum solution, measured in hours with the FLOPS code was reduced to minutes with the neural network approximation and to seconds with the regression method. Generation of the approximators required the manipulation of a very large quantity of data. Design sensitivity with respect to the bounds of aircraft constraints is easily generated. Patnaik, Surya N. and Coroneos, Rula M. and Guptill, James D. and Hopkins, Dale A. and Haller, William J. Glenn Research Center NASA/TM-2004-213059, AIAA Paper 2004-4606, E-14504
Book Synopsis Forest Statistics for Georgia, 1997 by : Michael T. Thompson
Download or read book Forest Statistics for Georgia, 1997 written by Michael T. Thompson and published by . This book was released on 1998 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Of Interest to Visitors written by and published by . This book was released on 1999 with total page 2 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book U.S. Government Subscriptions written by and published by . This book was released on 1999 with total page 864 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Senate Treaty Documents written by and published by Government Printing Office. This book was released on 1986 with total page 1028 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Trails--Wayne National Forest written by and published by . This book was released on 1999 with total page 2 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Coresident Grandparents and Grandchildren by : Kenneth Roy Bryson
Download or read book Coresident Grandparents and Grandchildren written by Kenneth Roy Bryson and published by . This book was released on 1999 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
