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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Optimizing helicopter assault support in a high demand environment

Wray, John D. January 2009 (has links) (PDF)
Thesis (M.S. in Operations Research)--Naval Postgraduate School, June 2009. / Thesis Advisor(s): Brown, Gerald ; Carlyle, Matthew. "June 2009." Description based on title screen as viewed on July 13, 2009. Author(s) subject terms: optimization, math programming, helicopter planning, assault support. Includes bibliographical references (p. 41). Also available in print.
2

Modernizing the Army's utility helicopter fleet to meet objective force requirements /

Bentzel, Thomas F. Brzezinski, Jacek W. Calhoun, John C. Stiner, Mark T. January 2004 (has links) (PDF)
Thesis (M.B.A.)--Naval Postgraduate School, March 2004. / "MBA professional report"--Cover. Joint authors: Jacek W. Brzezinski, John C. Calhoun, Mark T. Stiner. Thesis advisor(s): Thomas Crouch, Keith Snider. Includes bibliographical references (p. 89-93). Also available online.
3

Exploring the feasibility of the virtual environment helicopter system (VEHELO) for use as an instructional tool for military helicopter pilots /

Kulakowski, W. W. Unknown Date (has links) (PDF)
Thesis (M.S. in Computer Science)--Naval Postgraduate School, 2004. / Thesis Advisor(s): Rudolph Darken, Joseph A. Sullivan. Includes bibliographical references (p. 91-93). Also available online.
4

Army aviation a critical member of the 21st century joint team /

Ryan, William A., January 2005 (has links) (PDF)
Thesis (M.S. in Joint Campaign Planning and Strategy)--Joint Forces Staff College, Joint Advanced Warfighting School, 2005. / "13 May 05." Electronic version of original print document. Includes bibliographical references (p. [65-67]).
5

Enhanced energy maneuverability for attack helicopters using continuous, variable rotor speed control /

Schaefer, Carl George. January 1990 (has links)
Project report (M. Eng.)--Virginia Polytechnic Institute and State University, 1990. / Includes bibliographical references (leaves 144-148). Also available via the Internet.
6

A comprehensive approach to on-condition evaluation of rotorcraft structural integrity

Rees, Kevin Scott 08 1900 (has links)
No description available.
7

Conceptual design optimization for military helicopter maneuverability and agility

Kim, Ho-Sik 08 1900 (has links)
No description available.
8

Enhanced energy maneuverability for attack helicopters using continuous, variable rotor speed control

Schaefer, Carl George 30 March 2010 (has links)
The results of this research indicate that continuous, variable rotor speed control is a viable solution to increased helicopter maneuverability and agility. Of the rotor speed control laws investigated, the RCDR and T (RC) types seem the most promising. In particular, these control laws demonstrated a 31% improvement in time-to-turn 180 degrees, a 38% improvement in turn penetration distance, a 42% improvement in turn cross track distance, and a pointing margin advantage of nearly 94 degrees. In addition, the rotor speed control law parameters could be optimized such that the helicopter exited a maximum performance decelerating turn at or above its power bucket speed, affording the helicopter a distinct maneuvering advantage. It was also shown that different rotor speed control laws would most likely be required for the air combat and ground attack mission scenarios. The author feels that successful variable rotor speed control can be achieved through an appropriate marriage of FADEC engine control and high performance flight control systems. But numerous questions remain relative to the successful integration of this technology to existing and/or future helicopter designs, (addressed in the Recommendations for Future Research section). Nevertheless, this technology shows considerable promise and it is hoped that this study will be a stepping stone to future investigations in this area. / Master of Engineering
9

Exploring the feasibility of the virtual environment helicopter system (VEHELO) for use as an instructional tool for military helicopter pilots

Kulakowski, Walter W. 09 1900 (has links)
The requirement for low-level navigation flight conducted between 200 and 500 feet above ground level is something unique to the military helicopter pilot. Each novice helicopter pilot is introduced to this skill early and in a limited number of flights or flight hours. A low situational awareness (SA)is historically noted among the novice pilots during their first few flights within this flight regime. To that end, this thesis continues with the work conducted earlier to develop a trainer that places the pilot in an immersive and familiar cockpit environment for training through the use of chromakeyed technology as employed in the Virtual Environment Helicopter System (VEHELO). The pilot will then be able to learn and exercise required piloting tasks and multi-place aircraft communications as authentically and as meticulously as in actual flight. The focus of this thesis is to continue validation of the ChrAVE/VEHELO system. This will be accomplished by comparison of data obtained from data collected by pilots flying the ChrAVE and flying the actual aircraft during initial navigational training flights. Additionally this thesis will attempt to show that the latest version of the system has a previously unrecognized ability to improve pilot performance. The system is capable of teaching novice pilots the important skill of Crew Resource Management (CRM) and the appropriate communication skills. The original Chromakey Augmented Virtual Environment (ChrAVE) helicopter flight simulation system was developed to substantiate the feasibility of having embedded trainers for helicopters. Both the ChrAVE and VEHELO are comprised of commercial off the shelf (COTS) equipment in a mobile wheeled box. To determine the effectiveness of the ChrAVE as an instructional tool, the opinions of pilots and pilot instructors will be collected for analysis. The subject pilots will be tasked with numerous realistic piloting tasks. Empirical data will be collected and evaluated according to the low-level navigation performance thresholds set forth by Marine Medium Helicopter Training Squadron 164 (HMMT- 164) which is the CH-46E Model Manager. / US Marine Corps (USMC) author.
10

Exploring a chromakeyed augmented virtual environment for viability as an embedded training system for military helicopters /

Lennerton, Mark J. January 2004 (has links) (PDF)
Thesis (M.S. in Computer Science)--Naval Postgraduate School, June 2004. / Thesis advisor(s): Rudolph Darken, Joseph A. Sullivan. Includes bibliographical references (p. 103-104). Also available online.

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