Zobrazeno 1 - 10
of 37
pro vyhledávání: '"Hekmat Alighanbari"'
Publikováno v:
Aerospace, Vol 10, Iss 4, p 376 (2023)
Detrimental environmental impacts due to the increasing demands of the aviation industry have gained tremendous global attention. With a potential fuel saving, along with high aerodynamic performance and maneuverability during different phases of a f
Externí odkaz:
https://doaj.org/article/b5d792c99d43433186dc265b47b0fc02
Publikováno v:
Aerospace, Vol 10, Iss 3, p 300 (2023)
Growing concerns over the CO2 footprint due the exponential demand of the aviation industry, along with the requirements for high aerodynamic performance, cost saving, and manoeuvrability during different phases of a flight, pave the path towards ada
Externí odkaz:
https://doaj.org/article/53fc4fe9c8974a2e8c1ae212a8204e5b
Publikováno v:
Aerospace, Vol 9, Iss 10, p 532 (2022)
Aircraft experience various phases during each flight. Optimal performance, without compromise, during various phases can be achieved through adaptability in the wing design. Morphing wing design encompasses most, if not all, the flight conditions va
Externí odkaz:
https://doaj.org/article/eab233c7ea634589b98abeb96be11034
Publikováno v:
Journal of Vibration and Control. 27:2616-2629
In this article, a multi-crack detection method, which is based on natural frequency changes and the concept of modal strain energy, is for the first time developed for the general cross-section swept tapered wings under coupled bending-torsional vib
Publikováno v:
Journal of Guidance, Control, and Dynamics. 43:585-588
Publikováno v:
IEEE Transactions on Aerospace and Electronic Systems. 56:610-629
A new hierarchical method for fault detection, isolation, and identification of nonlinear systems with applications for in-orbit closed-loop controlled satellites is proposed where fault detection employs unscented Kalman filter and adaptive threshol
Publikováno v:
Journal of Aerospace Engineering. 33
For small fixed-wing aircraft, passive forms of extracting energy from the atmosphere have been shown to have positive improvements on their flight performance. The present work demonstrate...
Autor:
Hekmat Alighanbari, Bahram Raeisi
Publikováno v:
Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering. 232:2870-2897
Tilting ducted fans attached to the wing tips of vertical take-off and landing unmanned aerial vehicles define new applications for these types of aerial vehicles. This new configuration gives vertical take-off and landing unmanned aerial vehicles th
Publikováno v:
Acta Astronautica. 134:159-169
Reaction wheels, as one of the most commonly used actuators in satellite attitude control systems, are prone to malfunction which could lead to catastrophic failures. Such malfunctions can be detected and addressed in time if proper analytical redund
Publikováno v:
Mechanical Systems and Signal Processing. 135:106419
Control moment gyros, as one of the most commonly used actuators onboard satellites, are prone to faults and failures. The ability to detect faults, isolate their location, and identify their severity can enhance mission success rate and reduce maint