نتایج جستجو برای: lag model

تعداد نتایج: 2119895  

Journal: :Eur. J. Control 2013
Nikolaos Bekiaris-Liberis Miroslav Krstic

We recently introduced a design methodology for the stabilization of nonlinear systems with input and state delays that depend on the current state of the plant. In the present paper we consider nonlinear horizon and the delay depend on the state of the plant, the key design challenges are how to compute the predictor state and the delay (since the delay needs to be available in order to comput...

Journal: :IEEE Trans. Computers 2000
Wen-Chang Yeh Chein-Wei Jen

ÐThis paper presents a design methodology for high-speed Booth encoded parallel multiplier. For partial product generation, we propose a new modified Booth encoding (MBE) scheme to improve the performance of traditional MBE schemes. For final addition, a new algorithm is developed to construct multiple-level conditional-sum adder (MLCSMA). The proposed algorithm can optimize final adder accordi...

2002
Markus Schulze

The left-associative grammar model (LAG) has been applied successfully to the morphologic and syntactic analysis of various european and asian languages. The algebraic definition of the LAG is very well suited for the application to natural language processing as it inherently obeys de Saussure's second law (de Saussure, 1913, p. 103) on the linear nature of language, which phrase-structure gra...

Journal: :the international journal of humanities 2015
hamid abrishami fatemeh bourbour ma’asoumeh aghajani

in this paper, a model based on gmdh type neural network, is used to predict gas price in the spot market while using oil spot market price, gas spot market price, gas future market price, oil future market price and average temperature of the weather. the results suggest that gmdh neural network model, according to the root mean squared error (rmse) and direction statistics (dstat) statistics ...

2005
J. A. NAIRN

Two recent papers showed that shear-lag analysis can be an effective tool for stress analysis of composites when done properly and when applied to problems for which it is appropriate. This paper extends the prior analysis of concentric cylinders to a generalized shear-lag analysis in which the transverse variations of shear stress are described by arbitrary shape functions. The shear-lag analy...

2006
Jing Li Junsoo Lee Walter Enders Myung Hwan Seo Mark Strazicich

In this paper, we propose new tests for threshold cointegration in the conditional autoregressive distributed lag (ADL) model. The indicators in the threshold model are based on either a nonstationary or stationary threshold variable. The proposed tests are appropriate when the conditioning variables are weakly exogenous. The cointegrating vector in this paper is not pre-specified. We adopt a s...

2012
Alessandro Boianelli Alessandro Bidossi Luciana Gualdi Laura Mulas Chiara Mocenni Gianni Pozzi Antonio Vicino Marco R. Oggioni

When grown on glucose and beta-glucosides, S. pneumoniae shows sequential use of sugars resulting in diauxic growth with variable time extent of the lag phase separating the biphasic growth curve. The pneumococcal beta-glucoside uptake locus containing the PTS transporter spr0276-82, is regulated by a multi-domain transcriptional regulator CelR. In this work, we address the contribution of phos...

A semi-analytical investigation has been carried out to analyze unsteady MHD second-grade flow under the Dual-Phase-Lag (DPL) heat and mass transfer model in a vertical microchannel filled with porous material. Diffusion thermo (Dufour) effects and homogenous chemical reaction are considered as well. The governing partial differential equations are solved by using the Laplace transform method w...

Journal: :Foot and ankle surgery : official journal of the European Society of Foot and Ankle Surgeons 2014
Lee Parker Pinak Ray Stephan Grechenig Wolfgang Grechenig

BACKGROUND The new IOFIX is an intra-osseous fixation device comprising an "X-post" through which a lag screw passes to apparently improve force distribution across an arthrodesis. We conducted a novel human cadaveric study. Our null hypothesis was no difference in force exists in an ankle arthrodesis model stabilized with the IOFIX or a conventional single lag screw. METHOD In ten cadaver an...

2000
R. Boonen P. Sas

When applying feedback control in active noise control, phase lag caused by transducer dynamics and time delay between microphones and noise sources limits the bandwidth of the controller considerably. The proposed method to increase stability is to compensate the phase lag by applying a Smith compensator. The compensator needs a model of the acoustic plant. As model, only the transducer dynami...

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