Results 21 to 30 of about 4,213 (228)

Vibration control of a piezoelectric cantilever smart beam by ℒ1 adaptive control system

open access: yesSystems Science & Control Engineering, 2021
In this paper, the modelling and design of an $ \mathcal {L}_1 $ state feedback control system applied for vibration control of a smart piezoelectric flexible Euler–Bernoulli cantilever beam is presented.
A. Ebrahimi-Tirtashi   +3 more
doaj   +1 more source

Analysis of an M^([X])/G(a,b)/1 Unreliable G-queue with Loss, Instantaneous Bernoulli Feedback, Vacation and Two Delays of Verification [PDF]

open access: yesInternational Journal of Mathematical, Engineering and Management Sciences, 2019
This paper deals with a batch arrival that customers arrive to the system according to a compound Poisson process. The customer’s behavior is incorporated according to which loss with a certain probability and the server begins to provide a service only ...
G. Ayyappan, R. Supraja
doaj   +1 more source

A New Dropout Compensation Scheme for Fuzzy Dynamic Output-Feedback Control of Discrete-Time System

open access: yesIEEE Access, 2023
This article under unreliable communication links considers the problem of dynamic compensation output-feedback control for non-linear discrete-time networked control systems (NCSs) with packet dropouts in the light of the Takagi-Sugeno (T-S) fuzzy ...
Yang Wang, Yiming Wang, Xiaolei Ji
doaj   +1 more source

Mathematical analysis of a Markovian multi-server feedback queue with variant of multiple vacations, balking, and reneging

open access: yesDiscrete and Continuous Models and Applied Computational Science, 2022
In this paper, we analyze a multi-server queue with customers' impatience and Bernoulli feedback under variant of multiple vacations. On arrival, a customer decides whether to join or balk the system, based on the observation of the system size as well ...
Amina Angelika Bouchentouf   +3 more
doaj  

Efficient Output Feedback MPC for NCS With Data Dropout and Bounded Disturbance via Adaptive Event-Triggered Control

open access: yesIEEE Access, 2023
This paper studies efficient output feedback model predictive control (OFMPC) via adaptive event-triggered control (AETC) for the networked control system (NCS) with data dropout and bounded disturbance.
Minghong She, Wenbin Wu
doaj   +1 more source

Bernoulli vacation model for

open access: yes, 2021
The study of unreliable server retrial bulk queue with multiphase optional service is analyzed by incorporating the features of balking, Bernoulli vacation and Bernoulli feedback.
Madhu Jain, Sandeep Kaur
core   +1 more source

A literature review on retrial queueing system with Bernoulli vacation [PDF]

open access: yesYugoslav Journal of Operations Research
The retrial phenomenon occurs inherently in a wide range of queueing systems. The majority of retrial queueing models do not account for vacation. However, in practice, retrial queueing systems undergo vacations for maintenance or other reasons.
Micheal Mathavavisakan Nicholas Gnanasekar   +1 more
doaj   +1 more source

Time-Delayed Feedback Control of Piezoelectric Elastic Beams under Superharmonic and Subharmonic Excitations

open access: yesApplied Sciences, 2019
The time-delayed displacement feedback control is provided to restrain the superharmonic and subharmonic response of the elastic support beams. The nonlinear equations of the controlled elastic beam are obtained with the help of the Euler–Bernoulli
Jian Peng   +4 more
doaj   +1 more source

Smart Active Vibration Control System of a Rotary Structure Using Piezoelectric Materials

open access: yesSensors, 2022
A smart active vibration control (AVC) system containing piezoelectric (PZT) actuators, jointly with a linear quadratic regulator (LQR) controller, is proposed in this article to control transverse deflections of a wind turbine (WT) blade.
Ali Hashemi   +2 more
doaj   +1 more source

Fractional integro-differential boundary control of the Euler-Bernoulli beam [PDF]

open access: yes, 1997
Absorbing boundary conditions are generally associated to long-range memory behaviors. In the case of the Euler-Bernoulli beam, they are naturally based on Abel-Volterra operators of order 1/2.
Montseny, Gérard   +2 more
core   +2 more sources

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