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José Azinheira, Reginaldo Carvalho, Ely Paiva and Rafael Cordeiro
This paper proposes a new kind of airship actuator configuration for surveillance and environmental monitoring missions. We present the design and application of a six-propeller electrical airship (Noamini) with independent tilting propellers, allowing i...
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Zhidong Lu, Haichao Hong and Florian Holzapfel
The advancement of electric vertical take-off and landing (eVTOL) aircraft has expanded the horizon of urban air mobility. However, the challenge of generating precise vertical take-off and landing (VTOL) trajectories that comply with airworthiness requi...
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Shaojie Zhang, Han Zhang and Kun Ji
In this paper, an incremental nonlinear dynamic inversion (INDI) control scheme is proposed for the attitude tracking of a helicopter with model uncertainties, and actuator delay and saturation constraints. A finite integral compensation based on model r...
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Chang-ho Ji, Chongsup Kim and Byoung Soo Kim
Highly maneuverable fighter aircraft are equipped with various weapons including a gun firing system for successful air-to-air and air-to-ground missions. In the gun firing system, the muzzle is usually positioned at an offset from the centerline of the ...
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Maryam Taherinezhad and Alejandro Ramirez-Serrano
A cascade control architecture was proposed for the control of advanced unmanned aerial vehicles targeted for operation inside confined hazardous spaces. The aircraft of interest is a highly maneuverable system presenting highly coupled dynamics, enablin...
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Lingquan Cheng, Yiyang Li, Jiayi Yuan, Jianliang Ai and Yiqun Dong
Morphing aircraft are able to keep optimal performance in diverse flight conditions. However, the change in geometry always leads to challenges in the design of flight controllers. In this paper, a new method for designing a flight controller for variabl...
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Alfin Hikmaturokhman, Kalamullah Ramli, Muhammad Suryanegara, Anak Agung Putri Ratna, Ibrahim Kholilul Rohman and Moinul Zaber
The Indonesian spectrum usage fees?the so-called Biaya Hak Pengguna Frekuensi Izin Pita Frekuensi Radio (BHP IPFR)?are currently calculated using a formula determined by the three following main parameters: the frequency band, the country?s economic para...
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Chang-ho Ji, Chong-sup Kim and Byoung-Soo Kim
Highly maneuverability fighter aircrafts are equipped with various weapons for successful air-to-air and air-to-ground missions. The aircraft has abrupt transient response due to ejection force generated when store of one wing is launched and the movemen...
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Elena Likhosherst,Lev Mazelis,Konstantin Solodukhin
Pág. 36 - 45
The method for portfolio investment, allowing the formation of the optimal portfolio structure considering degrees of satisfaction of requirements of stakeholder groups, risks and uncertainty of external and internal environment, was proposed. The model ...
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S?l?khiddin Sh?kh?biddin?vich ?v?zkh?dj??v,Dilsh?d Nurill?kh?n?vich Mur?d?v
Pág. 214 - 230
This study inv?stig?t?s hyp?th?sis th?t ?xch?ng? r?t? risk m?y h?v? an ?ff?ct ?n ?xp?rts f?r several ?m?rging m?rk?t ?c?n?mi?s namely, Br?zil, Russi?, Indi?, Chin? ?nd S?uth ?fric?, which ?r? ?ls? c?ll?d th? BRICS. W? employ th? multiv?ri?t? G?RCH-in-m??...
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