System-level modeling, analysis and coordinated control design for the pressurized water reactor nuclear power system

C Cui, J Zhang, J Shen - Energy, 2023 - Elsevier
A flexible operation of the nuclear power system (NPS) over a large operating range is
emphasized when it is used as marine power. The current study exposes two bottlenecks in …

A multi-objective co-optimization method of controller parameters for the overall system of small pressurized water reactor

Z Li, C Guo, L Wang, W Zeng - Energy, 2024 - Elsevier
Small pressurized water reactors (SPWRs) normally have complicated and varying working
conditions, and become an important direction for nuclear energy development. The overall …

FOPID controller design for a perturbed PHWR system using enhanced crow search algorithm

R Singh, T Dora, R Lamba, AK Bhullar… - Progress in Nuclear …, 2022 - Elsevier
The effectiveness of a control algorithm in the operation of a Pressurized Heavy Water
Reactor (PHWR) relies upon its ability to counter the step back condition accurately. This …

Dynamic modeling and intelligent hybrid control of pressurized water reactor NPP power transient operation

DA Ejigu, X Liu - Annals of Nuclear Energy, 2022 - Elsevier
The pressurized water reactor (PWR) is a combined system of several interdependent
subsystems that face uncertainties and consist of critical parameters that initiate potential …

Electrohydraulic proportional valve-controlled vane type semi-rotary actuated wind turbine control by feedforward fractional-order feedback controller

P Venkaiah, BK Sarkar - … , Part I: Journal of Systems and …, 2022 - journals.sagepub.com
In this study, proportional valve-controlled semi-rotary electrohydraulic actuator proposed for
horizontal axis wind turbine pitch movement. Semi-rotary actuator can be connected directly …

Optimal design of time‐varying parameter fractional order controller using ameliorated gazelle optimization algorithm

Y Duan, J Liang, J Liu, Y Li, J Xie… - … Journal of Robust …, 2024 - Wiley Online Library
The model parameter uncertainty and controller gain disturbance of the factory servo system
are challenges that affect the robustness and control performance of the system. In this …

Internal model control based proportional-integral controller with class topper optimization for power control of molten salt breeder reactor core

SK Pradhan, D Acharya, DK Das - Annals of Nuclear Energy, 2022 - Elsevier
Internal model control (IMC) method is based on mathematical process model to design the
controller. In IMC method, the approximated object model is parallelized with the actual …

Power Level Control of Nuclear Power Plants during Load Following Operation Using Fractional Order Controller Based on a Modified Algorithm

TA Boghdady, M Mahmoud, EA Zahab… - IEEE …, 2023 - ieeexplore.ieee.org
Nuclear power can play an important role to achieve a secure clean energy transition.
Output power control is considered an important issue with respect to nuclear power plants …

Application of artificial intelligence technologies and big data computing for nuclear power plants control: a review

DA Ejigu, Y Tuo, X Liu - Frontiers in Nuclear Engineering, 2024 - frontiersin.org
Nuclear power plants produce a massive amount of clean energy and necessitate safe
operation through intelligence technologies. Recently, the rapid advancements in …

Discrete-time sliding mode prescribed performance controller via Kalman filter and disturbance observer for load following of a pressurized water reactor

J Hui - Energy, 2024 - Elsevier
In practical implementations, most nuclear reactors employ digital controllers to accomplish
the load following operation. However, most of the pre-existing works only focus on …