Applications Of Flight Control System Methods To An Advanced Combat Rotorcraft
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Applications of Flight Control System Methods to an Advanced Combat Rotorcraft
Author | : National Aeronautics and Space Adm Nasa |
Publsiher | : Unknown |
Total Pages | : 64 |
Release | : 2018-11-03 |
Genre | : Electronic Book |
ISBN | : 1730730582 |
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Advanced flight control system design, analysis, and testing methodologies developed at the Ames Research Center are applied in an analytical and flight test evaluation of the Advanced Digital Optical Control System (ADOCS) demonstrator. The primary objectives are to describe the knowledge gained about the implications of digital flight control system design for rotorcraft, and to illustrate the analysis of the resulting handling-qualities in the context of the proposed new handling-qualities specification for rotorcraft. Topics covered in-depth 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. The evaluation of the ADOCS demonstrator indicates desirable response characteristics based on equivalent damping and frequency, but undersirably large effective time-delays (exceeding 240 m sec in all axes). Piloted handling-qualities are found to be 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. Tischler, Mark B. and Fletcher, Jay W. and Morris, Patrick M. and Tucker, George T. Ames Research Center...
Scientific and Technical Aerospace Reports
Author | : Anonim |
Publsiher | : Unknown |
Total Pages | : 508 |
Release | : 1995 |
Genre | : Aeronautics |
ISBN | : UVA:X004872569 |
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Technical Reports Awareness Circular TRAC
Author | : Anonim |
Publsiher | : Unknown |
Total Pages | : 444 |
Release | : 1989-10 |
Genre | : Science |
ISBN | : CORNELL:31924057174595 |
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Helicopter Flight Dynamics
Author | : Gareth D. Padfield |
Publsiher | : John Wiley & Sons |
Total Pages | : 856 |
Release | : 2018-09-07 |
Genre | : Technology & Engineering |
ISBN | : 9781119401025 |
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The Book The behaviour of helicopters and tiltrotor aircraft is so complex that understanding the physical mechanisms at work in trim, stability and response, and thus the prediction of Flying Qualities, requires a framework of analytical and numerical modelling and simulation. Good Flying Qualities are vital for ensuring that mission performance is achievable with safety and, in the first and second editions of Helicopter Flight Dynamics, a comprehensive treatment of design criteria was presented, relating to both normal and degraded Flying Qualities. Fully embracing the consequences of Degraded Flying Qualities during the design phase will contribute positively to safety. In this third edition, two new Chapters are included. Chapter 9 takes the reader on a journey from the origins of the story of Flying Qualities, tracing key contributions to the developing maturity and to the current position. Chapter 10 provides a comprehensive treatment of the Flight Dynamics of tiltrotor aircraft; informed by research activities and the limited data on operational aircraft. Many of the unique behavioural characteristics of tiltrotors are revealed for the first time in this book. The accurate prediction and assessment of Flying Qualities draws on the modelling and simulation discipline on the one hand and testing practice on the other. Checking predictions in flight requires clearly defined mission tasks, derived from realistic performance requirements. High fidelity simulations also form the basis for the design of stability and control augmentation systems, essential for conferring Level 1 Flying Qualities. The integrated description of flight dynamic modelling, simulation and flying qualities of rotorcraft forms the subject of this book, which will be of interest to engineers practising and honing their skills in research laboratories, academia and manufacturing industries, test pilots and flight test engineers, and as a reference for graduate and postgraduate students in aerospace engineering.
Annual Department of Defense Bibliography of Logistics Studies and Related Documents
Author | : United States. Defense Logistics Studies Information Exchange |
Publsiher | : Unknown |
Total Pages | : 856 |
Release | : 1991 |
Genre | : Military research |
ISBN | : MINN:31951T002489906 |
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Flight Control Systems
Author | : Roger Pratt |
Publsiher | : IET |
Total Pages | : 416 |
Release | : 2000 |
Genre | : Technology & Engineering |
ISBN | : 0852967667 |
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Annotation Bridging the gap between academic research and real-world applications, this reference on modern flight control methods for fixed-wing aircraft deals with fundamentals of flight control systems design, then concentrates on applications based on the modern control methods used in the latest aircraft. The book is written for practicing engineers who are new to the aviation industry, postgraduate students in strategic or applied research, and advanced undergraduates. Some knowledge of classical control is assumed. Pratt is a member of IEEE and is UK Member for AIAA's Technical Committee on Guidance, Navigation and Control. Annotation c. Book News, Inc., Portland, OR (booknews.com)
Rotorcraft System Identification
Author | : Anonim |
Publsiher | : Unknown |
Total Pages | : 304 |
Release | : 1991 |
Genre | : Aeronautics |
ISBN | : MINN:31951D005685921 |
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Aeronautical Engineering A Cumulative Index to a Continuing Bibliography supplement 261
Author | : Anonim |
Publsiher | : Unknown |
Total Pages | : 566 |
Release | : 1991 |
Genre | : Electronic Book |
ISBN | : NASA:31769000659345 |
Download Aeronautical Engineering A Cumulative Index to a Continuing Bibliography supplement 261 Book in PDF, Epub and Kindle