scholarly journals Expansion of MIMO ARX model on Laguerre orthonormal bases

Author(s):  
Amani El Anes ◽  
Kais Bouzrara ◽  
Tarek Garna ◽  
Hassani Messaoud
Keyword(s):  
2019 ◽  
Vol 95 ◽  
pp. 278-294
Author(s):  
Safa Maraoui ◽  
Kais Bouzrara
Keyword(s):  

2012 ◽  
Vol 51 (6) ◽  
pp. 848-860 ◽  
Author(s):  
Kais Bouzrara ◽  
Tarek Garna ◽  
José Ragot ◽  
Hassani Messaoud
Keyword(s):  

Author(s):  
Wei Jiang ◽  
Zhong Chen ◽  
Ning Hu ◽  
Yali Chen

AbstractIn recent years, the study of fractional differential equations has become a hot spot. It is more difficult to solve fractional differential equations with nonlocal boundary conditions. In this article, we propose a multiscale orthonormal bases collocation method for linear fractional-order nonlocal boundary value problems. In algorithm construction, the solution is expanded by the multiscale orthonormal bases of a reproducing kernel space. The nonlocal boundary conditions are transformed into operator equations, which are involved in finding the collocation coefficients as constrain conditions. In theory, the convergent order and stability analysis of the proposed method are presented rigorously. Finally, numerical examples show the stability, accuracy and effectiveness of the method.


2007 ◽  
Vol 6 (2) ◽  
pp. 223-235
Author(s):  
Piotr Wojdyłło
Keyword(s):  

1993 ◽  
Vol 41 (12) ◽  
pp. 3543-3549 ◽  
Author(s):  
R.G. Baraniuk ◽  
D.L. Jones
Keyword(s):  

2008 ◽  
Vol 71 (4-6) ◽  
pp. 875-884 ◽  
Author(s):  
Marjan Golob ◽  
Boris Tovornik
Keyword(s):  

Symmetry ◽  
2021 ◽  
Vol 13 (5) ◽  
pp. 853
Author(s):  
Enrico Celeghini ◽  
Manuel Gadella ◽  
Mariano del Olmo

Using normalized Hermite functions, we construct bases in the space of square integrable functions on the unit circle (L2(C)) and in l2(Z), which are related to each other by means of the Fourier transform and the discrete Fourier transform. These relations are unitary. The construction of orthonormal bases requires the use of the Gramm–Schmidt method. On both spaces, we have provided ladder operators with the same properties as the ladder operators for the one-dimensional quantum oscillator. These operators are linear combinations of some multiplication- and differentiation-like operators that, when applied to periodic functions, preserve periodicity. Finally, we have constructed riggings for both L2(C) and l2(Z), so that all the mentioned operators are continuous.


2014 ◽  
Vol 551 ◽  
pp. 384-388 ◽  
Author(s):  
Dong Jing Yang ◽  
Jin Wu Gao ◽  
Le Lun Jiang ◽  
Tan Xiao

Thrombelastograph device (TEG) is a measuring instrument of blood viscoelastic properties during coagulation. The measuring temperature of TEG is fixed at 37oC while in some surgery cases, lower temperature surroundings may be adopted. Therefore a new type of TEG with a controllable themostatic system has been designed to mimic various temperature surroundings in surgery. In this paper, a small-sized high accuracy thermostatic system for TEG was designed and its system identification was built to facilitate the development of control strategy. ARX model was supposed to analyze the system identification of the thermostatic system by Matlab System Identification Toolbox. Residual analysis method was adopted to verify the identified model. The results showed that the simulation data of ARX model was consistence with the measured data (matching degree was about 93%). Transfer function of the system can be applied to develop its control strategy.


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