نتایج جستجو برای: dynamic linear model

تعداد نتایج: 2731662  

Journal: :European Financial and Accounting Journal 2017

Journal: :KIPS Transactions on Computer and Communication Systems 2017

Journal: :IFAC-PapersOnLine 2021

Congestion is a phenomenon that impacts most cities in the world. Due to car emissions, it significant source of pollution. Even though mobility restrictions can reduce congestion and essential activities still need cars. With lockdown measures during global pandemic Covid-19, measuring traffic data has been made possible. This paper concerns analysis modelling such traffic. It appears dynamics...

Journal: :Transportation Research Part B: Methodological 1998

A. Darabi, H. Lesani, M. Rafiei, M. Sanati-Moghadam, T. Ghanbari,

Hysteresis motors are self starting brushless synchronous motors which are being used widely due to their interesting features. Accurate modeling of the motors is crucial to successful investigating the dynamic performance of them. The hysteresis loops of the material used in the rotor and their influences on the parameters of the equivalent circuit are necessary to be taken into considerat...

Journal: :مدیریت آب و آبیاری 0
طاهر رجایی استادیار، گروه مهندسی عمران، دانشکدۀ فنی و مهندسی، دانشگاه قم، قم، ایران هادی ابراهیمی کارشناس ارشد سازه های هیدرولیکی، گروه مهندسی عمران، دانشکدۀ فنی و مهندسی، دانشگاه قم، قم، ایران

simulation of groundwater fluctuations plays a crucial role in management of watersheds and water demand balancing. recently, wavelet analysis has been used widely in time series decomposition and coupling with neural networks for hydrological modeling. in this paper, the ability of the wavelet-dynamic artificial neural networks (w-ann) model was applied in forecasting one-month-ahead of ground...

Journal: :journal of computational & applied research in mechanical engineering (jcarme) 2011
a. r. shahani* h. esmaili a. aryaei s. mohammadi m. najar

in this paper, the dynamic simulation for a high pressure regulator is performed to obtain the regulator behavior. to analyze the regulator performance, the equation of motion for inner parts, the continuity equation for diverse chambers and the equation for mass flow rate were derived. because of nonlinearity and coupling, these equations are solved using numerical methods and the results are ...

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