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Álvaro Gómez-Rodríguez, Alejandro Sanchez-Carmona, Luis García-Hernández and Cristina Cuerno-Rejado
The field of Remotely Piloted Aircraft Systems (RPAS) is currently undergoing a noteworthy expansion. The diverse types of missions that these aircraft can accomplish, both in military and civil environments, have motivated an increase of interest in the...
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Álvaro Gómez-Rodríguez, Alejandro Sanchez-Carmona, Luis García-Hernández and Cristina Cuerno-Rejado
The field of Remotely Piloted Aircraft Systems (RPAS) is currently undergoing a noteworthy expansion. The diverse types of missions that these aircraft can accomplish, both in military and civil environments, have motivated an increase of interest in the...
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Huadong Li, Daochun Li, Tong Shen, Dawei Bie and Zi Kan
X-shaped flapping wings have excellent maneuverability and flight capabilities under low-Reynolds-number conditions. An appropriate tail can extend the range of a vehicle and improve its stability. This study takes two typical configurations, the inverte...
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Alejandro Sanchez-Carmona and Cristina Cuerno-Rejado
The future of aviation depends on reducing the environmental impact of the aircraft. Unconventional configurations can be the change the industry needs to achieve that goal. Therefore, the development of a tool that allows analyzing these configurations ...
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Fernando Montano, Ignazio Dimino and Alberto Milazzo
Morphing structures are a relatively new aircraft technology currently being investigated for a variety of applications, from civil to military. Despite the lack of literature maturity and its complexity, morphing wings offer significant aerodynamic bene...
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Zheng Qiao, Dong Wang, Jiahui Xu, Xinbiao Pei, Wei Su, Dong Wang and Yue Bai
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Yixin Shi, Siliang Xiang, Minzi Xu, Defan Huang, Jianfei Liu, Xiaocong Zhang and Ping Jiang
The uniform and accurate mixing of pesticides in water is a necessary prerequisite for plant protection, especially for enabling precise variable spraying, and is also an important method to achieve a precise reduction in pesticide spraying. In order to ...
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H. S. Ihnatov
Pág. 71 - 73
In work the description and results of tests of a design of light-emitting diode rear lights of carriages is resulted. Originality and reliability of a function chart of rear lights promotes a safety increase of movement.
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Julia A. Cole, Lauren Rajauski, Andrew Loughran, Alexander Karpowicz and Stefanie Salinger
There is currently interest in the design of small electric vertical take-off and landing aircraft to alleviate ground traffic and congestion in major urban areas. To support progress in this area, a conceptual design method for single-main-rotor and lif...
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Jun Liu, Wei Qian, Yuguang Bai and Xiaole Xu
The V-tail configuration has excellent stealth performance and has been using widely in the aerodynamic shape design of advanced aircraft. Many recent studies have focused on numerical simulation about V-tail configuration flight performance. The relativ...
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Mohsen Rostami, Julian Bardin, Daniel Neufeld and Joon Chung
In considering aircraft design, it is very important to effectively size the tail configuration for stability and control. Multidisciplinary design optimization (MDO) focuses on the use of numerical optimization in the design of systems with multiple sub...
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Matthias Schulze, Jens Neumann and Thomas Klimmek
The purpose of this paper is to investigate the influence of the engine position and mass as well as the pylon stiffness on the aeroelastic stability of a long-range wide-body transport aircraft. As reference configuration, DLR?s (German Aerospace Center...
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Shengjie Xiao, Yuhong Sun, Dapeng Ren, Kai Hu, Huichao Deng, Yun Wang and Xilun Ding
A key challenge in flapping-wing micro air vehicle (FWMAV) design is to generate high aerodynamic force/torque for improving the vehicle?s maneuverability. This paper presents a bio-inspired hover-capable flapping-wing micro air vehicle, named RoboFly.S,...
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Peter L. Bishay, James S. Kok, Luis J. Ferrusquilla, Brian M. Espinoza, Andrew Heness, Antonio Buendia, Sevada Zadoorian, Paul Lacson, Jonathan D. Ortiz, Ruiki Basilio and Daniel Olvera
Conventional aircraft use discrete flight control surfaces to maneuver during flight. The gaps and discontinuities of these control surfaces generate drag, which degrades aerodynamic and power efficiencies. Morphing technology aims to replace conventiona...
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Kai Wang, Zhonghua Han, Keshi Zhang and Wenping Song
Most existing aerodynamic shape optimization (ASO) studies do not take the balanced pitching moment into account and thus the optimized configuration has to be trimmed to ensure zero pitching moment, which causes additional drag and reduces the benefit o...
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Vincenzo Cusati, Salvatore Corcione, Danilo Ciliberti and Fabrizio Nicolosi
This paper deals with the experimental assessment of the aerodynamic characteristics of an innovative large turboprop aircraft. The configuration is a three-lifting surfaces airplane with rear engine installation at tail tips, conceived to carry up to 13...
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Gesang Nugroho, Galih Zuliardiansyah and Azhar Aulia Rasyiddin
A Vertical Take-Off and Landing-Plane (VTOL-Plane) is an Unmanned Aerial Vehicle (UAV) that combines multirotor and fixed-wing configurations. It has a good cruise range compared to a VTOL vehicle. Furthermore, it can take-off and land vertically. This t...
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Lixin Wang, Kun Yang, Peng Zhao and Ting Yue
For aircraft employing the fly-by-wire technique, the closed-loop dynamic characteristics are determined by both the configuration design and the flight control system. As the capacity of the control system has certain limitations, the configuration para...
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Muhammad Faisal Siddiqui, Mukesh Kumar Maheshwari, Muhammad Raza and Aurangzeb Rashid Masud
This article presents the design and optimization of a tunable quadrature differential LC CMOS voltage-controlled oscillator (VCO) with a D flip-flop (DFF) frequency divider. The VCO is designed for the low-power and low-phase-noise applications of 2.4 G...
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Hikaru Takami and Shigeru Obayashi
A realistic industrial conceptual design optimization problem for commercial transport airplanes was formulated with reasonable fidelity and comprehensiveness by selecting appropriate design parameters, constraints, and objectives, in order to provide a ...
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