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International Journal of Engineering، جلد ۲۸، شماره ۱۰، صفحات ۱۵۰۷-۱۵۱۴
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عنوان انگلیسی Vibration Suppression of Fuel Sloshing using Subband Adaptive Filtering (RESEARCH NOTE)
چکیده انگلیسی مقاله One of the main vibration problems of aerospace vehicles with liquid fuel propulsion system is fuel sloshing. This phenomenon is a low frequency vibrational challenge which can affect the motion of the vehicle and degrade the stability of the main control system. In this regards, the motion of the liquid will be very critical when the frequency of the sloshing is very close to the frequencies of the main dynamic system. In addition, dominant frequencies of the sloshing are varied due to the flight time in the aerospace vehicles. In this paper, an aerospace launch vehicle with fuel sloshing is considered as a multi body dynamic system and in order to reduce the undesired effects of the fuel vibration, a new subband adaptive filter based on the lyapunov theorem and the discrete fourier transform (DFT) is designed. In this way, the new control system is implemented on the attitude control of the vehicle and the simulation of the nonlinear model is carried out. Numerical results of the simulation show that the effects of the fuel sloshing on the vehicle are effectively omitted by means of the new subband adaptive controller.
کلیدواژه‌های انگلیسی مقاله
نویسندگان مقاله Omid Kavianipour |
Department of Mechanical Engineering, Damavand Branch, Islamic Azad University

Abdul Majid Khoshnood |
Department of Aerospace Engineering, K. N. Toosi University of Technology

نشانی اینترنتی http://www.ije.ir/article_72605_904ec7727bc6786ab2ad59b5051ac9ee.pdf
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زبان مقاله منتشر شده en
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