Moving-Base Simulation Evaluation of Control/Display Integration Issues for ASTOVL Aircraft PDF Download
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Author:
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Category :
Languages : en
Pages : 62
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 62
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Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781722650735
Category :
Languages : en
Pages : 60
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Book Description
A moving-base simulation has been conducted on the Vertical Motion Simulator at Ames Research Center using a model of an advanced, short takeoff and vertical landing (STOVL) lift fan fighter aircraft. This experiment expanded on investigations during previous simulations with this STOVL configuration with the objective of evaluating (1) control law modifications over the low speed flight envelope, (2) integration of the throttle inceptor with flight control laws that provide direct thrust command for conventional flight, vertical and short takeoff, and flightpath or vertical velocity command for transition, hover, and vertical landing, (3) control mode blending for pitch, roll, yaw, and flightpath control during transition from wing-borne to jet-borne flight, and (4) effects of conformal versus nonconformal presentation of flightpath and pursuit guidance symbology on the out-the-window display for low speed STOVL operations. Assessments were made for takeoff, transition, hover, and landing, including precision hover and landing aboard an LPH-type amphibious assault ship in the presence of winds and rough seas. Results yielded Level 1 pilot ratings for the flightpath and vertical velocity command modes for a range of land-based and shipboard operation and were consistent with previous experience with earlier control laws and displays for this STOVL concept. Control mode blending was performed over speed ranges in accord with the pilot's tasks and with the change of the basic aircraft's characteristics between wing-borne and hover flight. Blending of yaw control from heading command in hover to sideslip command in wing-borne flight performed over a broad speed range helped reduce yaw transients during acceleration through the low speed regime. Although the pilots appreciated conformality of flightpath and guidance symbols with the external scene during the approach, increased sensitivity of the symbols for lateral path tracking elevated the pilots' control activity in...
Author:
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ISBN:
Category :
Languages : en
Pages : 30
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Author:
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ISBN:
Category : Aeronautics
Languages : en
Pages : 548
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Author:
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ISBN:
Category : Government publications
Languages : en
Pages : 1076
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Author: James A. Franklin
Publisher:
ISBN:
Category : Landing aids (Aeronautics)
Languages : en
Pages : 124
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 38
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 38
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Book Description
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 232
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Author:
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ISBN:
Category : Airplanes
Languages : en
Pages : 358
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