Design of optimal fractional order fuzzy PID controller based on cuckoo search algorithm for core power control in molten salt reactors

O Karahan - Progress in Nuclear Energy, 2021 - Elsevier
In case of the adverse effects of unforeseeable or uncertain disturbances on control systems,
stability robustness of control performance is crucial for controller design. Accordingly, in this …

Hybrid particle swarm optimization with spiral-shaped mechanism for feature selection

K Chen, FY Zhou, XF Yuan - Expert Systems with Applications, 2019 - Elsevier
The “curse of dimensionality” is one of the largest problems that influences the quality of the
optimization process in most data mining, pattern recognition, and machine learning tasks …

Analysis of load-following operation characteristics of liquid fuel molten salt reactor

G Chen, M Li, Y Zou, H Xu - Progress in Nuclear Energy, 2022 - Elsevier
As the IEA reports indicated that nuclear power owns a growing market share, which means
that nuclear power plants (NPPs) must be able to respond quickly to grid fluctuations. A …

Novel methods to global Mittag-Leffler stability of delayed fractional-order quaternion-valued neural networks

H Yan, Y Qiao, L Duan, J Miao - Neural Networks, 2021 - Elsevier
In this paper, a type of fractional-order quaternion-valued neural networks (FOQVNNs) with
leakage and time-varying delays is established to simulate real-world situations, and the …

Control of a PWR nuclear reactor core power using scheduled PID controller with GA, based on two-point kinetics model and adaptive disturbance rejection system

SMH Mousakazemi - Annals of Nuclear Energy, 2019 - Elsevier
Nuclear reactor dynamics has a non-linear nature, and some parameters depend on the
output power level. Accordingly, a load-following issue is important. To this end, it is …

Fractional order fuzzy control of nuclear reactor power with thermal-hydraulic effects in the presence of random network induced delay and sensor noise having long …

S Das, I Pan, S Das - Energy Conversion and Management, 2013 - Elsevier
Nonlinear state space modeling of a nuclear reactor has been done for the purpose of
controlling its global power in load following mode. The nonlinear state space model has …

Fuzzy multi-regional fractional PID controller for pressurized water nuclear reactor

B Puchalski, TA Rutkowski, K Duzinkiewicz - ISA transactions, 2020 - Elsevier
The paper presents the methodology for the synthesis of a Fuzzy Multi-Regional Fractional
Order PID controller (FMR-FOPID) used to control the average thermal power of a PWR …

Symbiotic organisms search algorithm for optimal evolutionary controller tuning of fractional fuzzy controllers

Y Zhou, F Miao, Q Luo - Applied Soft Computing, 2019 - Elsevier
With the development of technology and the practical needs of complex engineering
applications, fuzzy controllers have been widely applied. In contrast to a traditional integer …

Power level control of the TRIGA Mark-II research reactor using the multifeedback layer neural network and the particle swarm optimization

R Coban - Annals of Nuclear Energy, 2014 - Elsevier
In this paper, an artificial neural network controller is presented using the Multifeedback-
Layer Neural Network (MFLNN), which is a recently proposed recurrent neural network, for …

A new interval type-2 fuzzy approach for analyzing and monitoring the performance of megaprojects based on earned value analysis (with a case study)

A Eshghi, SM Mousavi, V Mohagheghi - Neural Computing and …, 2019 - Springer
Major factors of project success include using tools of performance measurements and
feedbacks. Earned value management (EVM) is a unique issue within megaprojects due to …