Results 61 to 70 of about 217 (131)

Value distribution theorems for the periodic zeta-function. [PDF]

open access: yes, 2010
In the thesis, the Atkinson formula for the periodic zeta-function on the critical line and the critical strip, and limit theorems in the sense of weak convergence of probability measures in various spaces are considered.
Karaliūnaitė, Julija,
core  

Joint discrete universality for periodic zeta-functions. II [PDF]

open access: yes, 2021
In the paper, for certain classes of operators F in the space of analytic functions, we prove the discrete universality for compositions F (ζ(s, α ; ,  )), where ζ(s, α ;  ;  
Laurinčikas, Antanas
core  

Observer‐Based Active Fault‐Tolerant Sliding Mode Control for Fully‐Constrained CDPRs

open access: yesIET Control Theory &Applications, Volume 20, Issue 1, January/December 2026.
An active fault‐tolerant sliding mode control strategy is developed for cable‐driven parallel robots. It uses real‐time fault estimation and sliding mode control to handle actuator faults and maintain robust tracking performance. ABSTRACT This study introduces an active fault‐tolerant sliding mode control (AFTSMC), designed explicitly for fully ...
Yasna Majdi   +2 more
wiley   +1 more source

Hierarchical Estimation–Based Observer Method for Robust Oxygen Excess Ratio Control in PEM Fuel Cell Systems

open access: yesIET Control Theory &Applications, Volume 20, Issue 1, January/December 2026.
This study proposes a recursive hierarchical observer combining an extended Kalman filter, extended state observer and weighted least‐squares algorithm to accurately estimate the oxygen excess ratio in polymer electrolyte membrane fuel cells under challenging low‐current and noisy conditions.
Hyeongki Ahn   +5 more
wiley   +1 more source

Summary of Doctoral dissertation "Mixed joint universality for Dirichlet L-functions and Hurwitz type zeta-functions". [PDF]

open access: yes, 2015
The aims of the thesis are mixed joint universality theorems for Dirichlet L-functions and Hurwitz type zeta-functions, i.e., theorems on simultaneous approximation of a collection of analytic functions by shifts of Dirichlet L-functions which have Euler'
Janulis, Kęstutis,
core  

Single Position Sensor Control for MSM Linear Displacement Sliding‐Mode Drive System

open access: yesIET Electric Power Applications, Volume 20, Issue 1, January/December 2026.
In this paper, a sensorless control for MSM linear displacement sliding‐mode control strategy based on HF square‐wave signal injection is proposed. With the assistance of the sensorless algorithm, the MSM linear position drive system can ensure the accuracy of rotor position estimation while eliminating the rotary position sensor.
Jiahao Zhang   +3 more
wiley   +1 more source

A generalized limit theorem for the periodic Hurwitz zeta-function

open access: yesChebyshevskii sbornik, 2019
The paper deals with the periodic Hurwitz zeta function \(\zeta (s,a,\{ a_{n} \} )=\sum _{n=0}^{\infty }\frac{a_{n} }{(n+a)^{s} } \), \(a>0,\; Res>1\), where \(\{ a_{n} \} \)is a periodic sequence. The author proves a generalized limit theorem for this function.
openaire   +3 more sources

Cyber‐Resilient MMC‐MTDC Stability via Robust Observer Design for Wind‐Integrated Grids

open access: yesIET Generation, Transmission &Distribution, Volume 20, Issue 1, January/December 2026.
This paper proposes a stochastic stabilising control method, based on a Markov jump model (MJM), to comprehensively address stability challenges in modular multilevel converter‐based multi‐terminal direct current (MMC‐MTDC) systems due to communication network disturbances.
Mohsen Darabian   +5 more
wiley   +1 more source

О НУЛЯХ НЕКОТОРЫХ ФУНКЦИЙ, СВЯЗАННЫХ С ПЕРИОДИЧЕСКИМИ ДЗЕТА-ФУНКЦИЯМИ [PDF]

open access: yes, 2016
In the paper, we obtain that a linear combination of the periodic and periodic Hurwitz zeta-functions, and more general combinations of these functions have infinitely many zeros lying in the right-hand side of the critical strip. В статье полученно, что
A. Laurinˇcikas   +5 more
core   +2 more sources

On the zeros of some functions related to periodic zeta-functions / [PDF]

open access: yes, 2014
In the paper, we obtain that a linear combination of the periodic and periodic Hurwitz zeta-functions, and more general combinations of these func- tions have infinitely many zeros lying in the right-hand side of the critical ...
Šiaučiūnas, Darius,   +2 more
core  

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