Effects Of Side Stick Controllers On Rotorcraft Handling Qualities For Terrain Flight
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Effects Of Side Stick Controllers On Rotorcraft Handling Qualities For Terrain Flight
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Author : Edwin W. Aiken
language : en
Publisher:
Release Date : 1985
Effects Of Side Stick Controllers On Rotorcraft Handling Qualities For Terrain Flight written by Edwin W. Aiken and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with categories.
An Investigation Of Side Stick Controller Stability And Control Augmentation System Requirements For Helicopter Terrain Flight Under Reduced Visibility Conditions
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Author : E. W. Aiken
language : en
Publisher:
Release Date : 1983
An Investigation Of Side Stick Controller Stability And Control Augmentation System Requirements For Helicopter Terrain Flight Under Reduced Visibility Conditions written by E. W. Aiken and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with categories.
A simulator experiment evaluated the effects of side-stick-controller characteristics and level of stability and control augmentation on handling qualities for several helicopter, low-altitude flight tasks conducted at night or in adverse weather. These reduced visibility tasks were simulated by providing the pilot with a visually coupled, helmet-mounted display of flight-control symbols superimposed upon terrain-board imagery. Forward-flight, low-speed, and precision-hover control modes were implemented, and a method for blending of control laws between each control mode was developed. Variations in the level of integration of primary control functions on a single side-stick controller were investigated. For most of the flight tasks investigated, separated controller configurations were preferred to a single, fully integrated sidestick device. Satisfactory handling qualities over all controller configurations were achieved only for a precision-hover task conducted with a high level of stability and control augmentation. Significant degradation in handling qualities occurred for most tasks flown with the helmet-mounted display relative to identical tasks flown under visual flight conditions.
Limited Flight Evaluation Of Side Stick Controller Force Deflection Characteristics On Aircraft Handling Qualities
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Author : Stephen B. Smith
language : en
Publisher:
Release Date : 1977
Limited Flight Evaluation Of Side Stick Controller Force Deflection Characteristics On Aircraft Handling Qualities written by Stephen B. Smith and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977 with categories.
Effects Of Cockpit Lateral Stick Characteristics On Handling Qualities And Pilot Dynamics
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Author : David Glen Mitchell
language : en
Publisher:
Release Date : 1992
Effects Of Cockpit Lateral Stick Characteristics On Handling Qualities And Pilot Dynamics written by David Glen Mitchell and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Airplanes categories.
Effects Of Cockpit Lateral Stick Characteristics On Handling Qualities And Pilot Dynamics
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Author : National Aeronautics and Space Administration (NASA)
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2018-07-24
Effects Of Cockpit Lateral Stick Characteristics On Handling Qualities And Pilot Dynamics written by National Aeronautics and Space Administration (NASA) and has been published by Createspace Independent Publishing Platform this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-07-24 with categories.
This report presents the results of analysis of cockpit lateral control feel-system studies. Variations in feel-system natural frequency, damping, and command sensing reference (force and position) were investigated, in combination with variations in the aircraft response characteristics. The primary data for the report were obtained from a flight investigation conducted with a variable-stability airplane, with additional information taken from other flight experiments and ground-based simulations for both airplanes and helicopters . The study consisted of analysis of handling qualities ratings and extraction of open-loop, pilot-vehicle describing functions from sum-of-sines tracking data, including, for a limited subset of these data, the development of pilot models. The study confirms the findings of other investigators that the effects on pilot opinion of cockpit feel-system dynamics are not equivalent to a comparable level of added time delay, and until a more comprehensive set of criteria are developed, it is recommended that feel-system dynamics be considered a delay-inducing element in the aircraft response. The best correlation with time-delay requirements was found when the feel-system dynamics were included in the delay measurements, regardless of the command reference. This is a radical departure from past approaches. Mitchell, David G. and Aponso, Bimal L. and Klyde, David H. Unspecified Center NASA-CR-4443, H-1769, NAS 1.26:4443 NAS2-12722; ATD-90-STI-6401; RTOP 505-64-30...
Applications Of Flight Control System Methods To An Advanced Combat Rotorcraft
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Author :
language : en
Publisher:
Release Date : 1989
Applications Of Flight Control System Methods To An Advanced Combat Rotorcraft written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with categories.
Advanced flight control system design, analysis, and testing methods are applied in an analytical and flight test evaluation of the Advanced Digital Optical Control System (ADOCS) demonstrator. This paper describes the knowledge gained about the implications of digital flight control system design for rotorcraft, and illustrates. The analysis of the resulting handling-qualities in the context of the proposed new handling-qualities specification for rotorcraft. Topics included are digital flight control design and analysis methods, flight testing techniques, ADOCS handling-qualities evaluation results, and correlation of flight test results with analytical models and the proposed handling- qualities specification. Evaluation of the ADOCS demonstrator indicated desirable response characteristics based on equivalent damping and frequency, but undesirably large effective time-delays. Piloted handling-qualities are desirable or adequate for all low, medium, and high pilot gain tasks; but handling-qualities are inadequate for ultra-high gain tasks such as slope and running landings. Correlation of these results with the proposed handling- qualities specification indicates good agreement for the bandwidth boundaries, but suggests the need for more stringent limits on allowable phase-delay. Analytical models based on emulation (s-plane) techniques compare favorably with flight extracted frequency-domain characteristics of the overall (end-to-end) ADOCS responses. Direct digital analysis procedures are necessary to characterize the intersample behavior of the actuator rate response.
Scientific And Technical Aerospace Reports
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Author :
language : en
Publisher:
Release Date : 1994
Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Aeronautics categories.
International Aerospace Abstracts
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Author :
language : en
Publisher:
Release Date : 1999
International Aerospace Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Aeronautics categories.
Effects Of Coupling Between Pitch And Roll Control Inputs On The Handling Qualities Of Vtol Aircraft
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Author : John F. Garren
language : en
Publisher:
Release Date : 1962
Effects Of Coupling Between Pitch And Roll Control Inputs On The Handling Qualities Of Vtol Aircraft written by John F. Garren and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1962 with Pitching (Aerodynamics) categories.
An Experimental Evaluation Of The Sternberg Task As A Workload Metric For Helicopter Flight Handling Qualities Fhq Research
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Author :
language : en
Publisher:
Release Date : 1984
An Experimental Evaluation Of The Sternberg Task As A Workload Metric For Helicopter Flight Handling Qualities Fhq Research written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with categories.