Scientific and Technical Aerospace Reports

Scientific and Technical Aerospace Reports PDF Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 702

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Digital Control of Highly Augmented Combat Rotorcraft

Digital Control of Highly Augmented Combat Rotorcraft PDF Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 178

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Proposed concepts for the next generation of combat (scout/attack) helicopters are to be embodied in a complex, highly maneuverable, multiroled vehicle with avionics systems which are as important to mission success as the airframe itself. Single pilot and nap-of-the-Earth operations require handling qualities which minimize the involvement of the pilot in basic stabilization tasks. To meet these requirements will demand a full authority, high-gain, multimode, multiply-redundant, digital flight-control system. The gap between these requirements and current low-authority, low-bandwidth operational rotorcraft flight-control technology is considerable. this research aims at smoothing the transition between current technology and advanced concept requirements. The report: (a) extensively reviews the state of the art of high-bandwidth digital flight-control systems; (b) illustrates the important concepts in design and analysis of high-gain, digital systems with a detailed case study involving a current rotorcraft system. Frequency-domain methods for design and analysis are stressed in this report as essential for the practical implementation of high-gain control systems for rotorcraft. Approximate and exact methods are explained and illustrated for treating the important concerns which are unique to digital systems. Proposed specifications and flight-test data concerning the handling qualities of scout/attack rotorcraft imply restrictions on the maximum effective time delay which must be carefully considered in the design process.

Digital Control of Highly Augmented Combat Rotorcraft

Digital Control of Highly Augmented Combat Rotorcraft PDF Author: Mark B. Tischler
Publisher:
ISBN:
Category : Automatic pilot (Helicopters)
Languages : en
Pages : 170

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Scientific and Technical Aerospace Reports

Scientific and Technical Aerospace Reports PDF Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 702

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Aeronautical Engineering

Aeronautical Engineering PDF Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 538

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Integrated Flight/propulsion Control with Variable Rotor Speed Command for Rotorcraft

Integrated Flight/propulsion Control with Variable Rotor Speed Command for Rotorcraft PDF Author: Stanford University. Department of Aeronautics and Astronautics
Publisher:
ISBN:
Category :
Languages : en
Pages : 246

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Advances In Aircraft Flight Control

Advances In Aircraft Flight Control PDF Author: MB Tischler
Publisher: Routledge
ISBN: 1351468448
Category : Technology & Engineering
Languages : en
Pages : 750

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Book Description
This book provides a single comprehensive resource that reviews many of the current aircraft flight control programmes from the perspective of experienced practitioners directly involved in the projects. Each chapter discusses a specific aircraft flight programme covering the control system design considerations, control law architecture, simulation and analysis, flight test optimization and handling qualities evaluations. The programmes described have widely exploited modern interdisciplinary tools and techniques and the discussions include extensive flight test results. Many important `lessons learned' are included from the experience gained when design methods and requirements were tested and optimized in actual flight demonstration.

Monthly Catalog of United States Government Publications

Monthly Catalog of United States Government Publications PDF Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 798

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Monthly Catalogue, United States Public Documents

Monthly Catalogue, United States Public Documents PDF Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1508

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Technical Reports Awareness Circular : TRAC.

Technical Reports Awareness Circular : TRAC. PDF Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 520

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Journal of the American Helicopter Society

Journal of the American Helicopter Society PDF Author: American Helicopter Society
Publisher:
ISBN:
Category : Helicopters
Languages : en
Pages : 320

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