A. John Arul
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View article: Mechanistic assessment of aerosol transport in SFR cover gas space post HCDA conditions
Mechanistic assessment of aerosol transport in SFR cover gas space post HCDA conditions Open
With the growing emphasis on safety in next-generation reactors, along with the necessity to practically eliminate large doses to the public from severe accidents, a mechanistic assessment of such accidents becomes very important problem. …
View article: An integrated Petri net-pseudo bond graph model for nuclear hazard assessment
An integrated Petri net-pseudo bond graph model for nuclear hazard assessment Open
A pseudo-bond graph is presented to model the heat transferred from the fuel rods to the coolant via its cladding in a generic nuclear reactor case study. Simulations performed using this model are used to explore the temperatures of the c…
View article: Mechanistic assessment of aerosol transport in a SFR cover gas space under operating condition
Mechanistic assessment of aerosol transport in a SFR cover gas space under operating condition Open
The cover gas space is an inert isolation layer provided for sodium systems in sodium-cooled fast reactors. During normal reactor operation, sodium aerosols are generated continuously in the cover gas space. Understanding the complex dynam…
View article: Mechanistic assessment of aerosol transport in an SFR cover gas space under operating condition
Mechanistic assessment of aerosol transport in an SFR cover gas space under operating condition Open
The cover gas space is an inert isolation layer provided for sodium systems in sodium-cooled fast reactors. During normal reactor operation, sodium aerosols are generated continuously in the cover gas space. Understanding the complex dynam…
View article: Machine Learning-Based Fault Diagnosis for a PWR Nuclear Power Plant
Machine Learning-Based Fault Diagnosis for a PWR Nuclear Power Plant Open
In the nuclear power industry, safety and reliability are of the utmost importance. Sensors and actuators are integral components in such systems, and potential faults may adversely impact system performance. It is therefore imperative to …
View article: Nonlinear Model Predictive Control Using Feedback Linearization for a Pressurized Water Nuclear Power Plant
Nonlinear Model Predictive Control Using Feedback Linearization for a Pressurized Water Nuclear Power Plant Open
The present work aims to introduce a nonlinear control scheme that combines intelligent feedback linearization (FBL) and a model predictive control (MPC) for a pressurized water reactor (PWR). The nonlinear plant model that is considered i…
View article: Fault Detection and Isolation of a Pressurized Water Reactor Based on Neural Network and K-Nearest Neighbor
Fault Detection and Isolation of a Pressurized Water Reactor Based on Neural Network and K-Nearest Neighbor Open
Nuclear power plants (NPPs) are complex dynamic systems with multiple sensors and actuators. The presence of faults in the actuators and sensors can deteriorate the system’s performance and cause serious safety issues. This calls for the d…
View article: Risk modelling of ageing nuclear reactor systems
Risk modelling of ageing nuclear reactor systems Open
A nuclear reactor is expected to function for extensive periods, during which, coolant circulation and core reactivity must always be maintained safely. Understanding the risks associated with the operation of such systems requires proper …
View article: <i>L</i>₁-Adaptive Robust Control Design for a Pressurized Water-Type Nuclear Power Plant
<i>L</i>₁-Adaptive Robust Control Design for a Pressurized Water-Type Nuclear Power Plant Open
This work proposes adaptive control-based design strategies to control a pressurized water reactor (PWR) nuclear power plant (NPP). An {L_{1}} -adaptive-based state-feedback control technique is proposed using the linear quadratic Gaussian…
View article: Fire Detection System Using Machine Learning
Fire Detection System Using Machine Learning Open
The modern age of electronics has seen a lot of development. But the development of electrical and electronic devices has led to a growing rate of fire accidents mainly due to the carelessness. The main problem in the fire accidents is tha…
View article: Gain Scheduled Subspace Predictive Control of a Pressurized Water-type Nuclear Reactor
Gain Scheduled Subspace Predictive Control of a Pressurized Water-type Nuclear Reactor Open
This work presents a methodology for designing subspace-based gain scheduled predictive controller for nuclear reactor power control. The main idea is to design a family of predictive controllers directly from measurements and integrate th…
View article: Disturbance Observer-based Subspace Predictive Control of a Pressurized Water-type Nuclear Reactor
Disturbance Observer-based Subspace Predictive Control of a Pressurized Water-type Nuclear Reactor Open
This work presents a disturbance observer-based predictive control strategy using a subspace matrix structure. The aim is to improve the capability of classical predictive controllers in handling external disturbances. A subspace-based pre…
View article: Robust Subspace Predictive Control based on Integral Sliding Mode for a Pressurized Water Reactor
Robust Subspace Predictive Control based on Integral Sliding Mode for a Pressurized Water Reactor Open
This work combines the subspace predictive control technique with the integral sliding mode control strategy to formulate a novel robust subspace predictive control scheme. The subspace predictive controller provides the nominal control wh…
View article: Petri Nets and Pseudo-Bond Graphs for a Nuclear Reactor Primary Coolant System
Petri Nets and Pseudo-Bond Graphs for a Nuclear Reactor Primary Coolant System Open
In this paper we demonstrate the application of timed Petri Net methodology to the frequency of initiating faults in the coolant circulation system of a fictional nuclear reactor design. A second model is presented where the Petri Net is c…