Preliminary Simulation of an Advanced, Hingless Rotor XV-15 Tilt-rotor Aircraft PDF Download
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Author:
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ISBN:
Category :
Languages : en
Pages : 538
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 538
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Author:
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ISBN:
Category :
Languages : en
Pages : 28
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Author: Martin D. Maisel
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 222
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Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781723407215
Category :
Languages : en
Pages : 26
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Book Description
The effective use of simulation from issuance of the request for proposal through conduct of a flight test program for the XV-15 Tilt Rotor Research Aircraft is discussed. From program inception, simulation complemented all phases of XV-15 development. The initial simulation evaluations during the source evaluation board proceedings contributed significantly to performance and stability and control evaluations. Eight subsequent simulation periods provided major contributions in the areas of control concepts; cockpit configuration; handling qualities; pilot workload; failure effects and recovery procedures; and flight boundary problems and recovery procedures. The fidelity of the simulation also made it a valuable pilot training aid, as well as a suitable tool for military and civil mission evaluations. Simulation also provided valuable design data for refinement of automatic flight control systems. Throughout the program, fidelity was a prime issue and resulted in unique data and methods for fidelity evaluation which are presented and discussed. Churchill, G. B. and Dugan, D. C. Ames Research Center NASA-TM-84222, A-8848, NAS 1.15:84222 RTOP 532-04-11
Author:
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Category : Aeronautics
Languages : en
Pages : 1004
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Author: Martin D. Maisel
Publisher: BiblioGov
ISBN: 9781289146375
Category :
Languages : en
Pages : 224
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Book Description
This monograph is a testament to the efforts of many people overcoming multiple technical challenges encountered while developing the XV-15 tilt rotor research aircraft. The Ames involvement with the tilt rotor aircraft began in 1957 with investigations of the performance and dynamic behavior of the Bell XV-3 tilt rotor aircraft. At that time, Ames Research Center was known as the Ames Aeronautical Laboratory of the National Advisory Committee for Aeronautics (NACA). As we approach the new millennium, and after more than 40 years of effort and the successful completion of our initial goals, it is appropriate to reflect on the technical accomplishments and consider the future applications of this unique aircraft class, the tilt rotor. The talented engineers, technicians, managers, and leaders at Ames have worked hard with their counterparts in the U.S. rotorcraft industry to overcome technology barriers and to make the military and civil tilt rotor aircraft safer, environmentally acceptable, and more efficient. The tilt rotor aircraft combines the advantages of vertical takeoff and landing capabilities, inherent to the helicopter, with the forward speed and range of a fixed wing turboprop airplane. Our studies have shown that this new vehicle type can provide the aviation transportation industry with the flexibility for highspeed, long-range flight, coupled with runway-independent operations, thus having a significant potential to relieve airport congestion. We see the tilt rotor aircraft as an element of the solution to this growing air transport problem.
Author:
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ISBN:
Category : Aeronautics
Languages : en
Pages : 1142
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Author: Martin D. Maisel
Publisher: Government Reprints Press
ISBN: 9781931641272
Category : Technology & Engineering
Languages : en
Pages : 0
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Book Description
Beskriver det amerikanske forsøgsprojekt med en Tilt Rotor på en flyvemaskine
Author: A. K. Amos
Publisher:
ISBN:
Category :
Languages : en
Pages : 180
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Book Description
Author: Gary D. Klein
Publisher:
ISBN: 9781423581000
Category : Aerodynamics
Languages : en
Pages : 222
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Book Description
This thesis investigates the linear state space modeling of a tiltrotor aircraft by modifying an existing MATLAB routine which is used for preliminary (helicopter) stability and control analysis. The modifications consist of changing existing script files along with adding new ones. The modifications result in having a routine that allows the input of tiltrotor characteristics and subsequently generates a state space model along with other stability and control characteristics. The tiltrotor modeling is validated by the input of XV-15 characteristic data into the program and performing a eigenvalue comparison with a model of a similar tiltrotor, the V-22. A more extensive comparison is performed with another XV-15 model which has been extensively used and validated with wind tunnel and flight tests.
