Approximation based on orthogonal and almost orthogonal functions

D Antić, B Danković, S Nikolić, M Milojković… - Journal of the Franklin …, 2012 - Elsevier
In this paper, we define a class of almost orthogonal rational functions of Legendre type in a
new manner. Relations of these functions with classical exponentional functions orthogonal …

Design of generalised orthogonal filters: Application to the modelling of dynamical systems

SS Nikolić, DS Antić, SL Perić… - … Journal of Electronics, 2016 - Taylor & Francis
In this article, we define a new class of orthogonal filters with complex poles and zeroes
inside their transfer function. This further improvement of classical orthogonal filters allows …

[PDF][PDF] Sensitivity analysis of imperfect systems using almost orthogonal filters

D Antić, S Nikolić, M Milojković, N Danković… - Acta Polytechnica …, 2011 - epa.niif.hu
This paper considers the application of the almost orthogonal filters in the sensitivity analysis
of imperfect systems. First, we explain the concepts of dynamical systems sensitivity. Then …

Monotonic, critical monotonic, and nearly monotonic low‐pass filters designed by using the parity relation for Jacobi polynomials

N Stojanović, N Stamenković… - International Journal of …, 2017 - Wiley Online Library
A new class of continuous‐time low‐pass filter using a set of Jacobi polynomials, with all
transmission zeros at infinity, is described. The Jacobi polynomial has been adapted by …

Experimental identification of the material standard linear solid model parameters by means of dynamical measurements

S Amadori, G Catania - Journal of Vibration and Control, 2022 - journals.sagepub.com
A procedure for the experimental identification of the material standard linear solid model
parameters by means of dynamic mechanical analysis test instrument measurements is …

Wave Propagation Characteristics in A MEMS Piezoelectric Annular Plate: A Semi-analytical Study

H Khalfi, I Naciri, R Raghib, L Elmaimouni… - Iranian Journal of …, 2024 - Springer
Our paper focuses on wave propagation in a circular annular piezoelectric plate with
hexagonal elastic symmetry used in Micro-Electromechanical Systems (MEMS). The …

[PDF][PDF] A new approach to the sliding mode control design: anti–lock braking system as a case study

SL Perie, DS Antic, VD Nikolic, DB Mitic… - Journal of Electrical …, 2014 - sciendo.com
In this paper we introduce a new approach to the sliding mode control design based on
orthogonal models. First, we discuss the sliding mode control based on a model given in …

Sliding mode adaptive control for DC motors using function approximation form

L Chen, Z Zhang, H Wang… - International Journal of …, 2016 - inderscienceonline.com
In this paper, a novel sliding mode adaptive controller with function approximation form is
proposed for the DC motor control system. For the position tracking in DC motor with …

Almost orthogonal and quasi-orthogonal filters

S Nikolić, M Milojković, D Antić, B Danković… - Tehnika …, 2010 - scindeks.ceon.rs
Two new type the orthogonal filters, based on almost orthogonal and quasi-orthogonal
functions, is proposed in this paper. Recent results in these fields used for formed and …

[PDF][PDF] The Concept of Quasi Orthogonality Applied in Technical Systems

D Antić, M Milojković, S Nikolić, D Mitić, S Perić - rcvt.tu-sofia.bg
In this paper we introduce quasi-almost orthogonal filters, as a new class of filters, based on
Legendre type quasialmost orthogonal polynomials. These filters are generators of quasi …