Adaptive unscented Kalman filtering for reactivity estimation in nuclear power plants

AK Mishra, SR Shimjith… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
Reactivity is a key parameter in nuclear power plants (NPPs). It reflects the balance between
neutron generation and consumption inside the reactor core. Therefore, reactivity monitoring …

Analysis and comparison of direct inversion and Kalman filter methods for self-powered neutron detector compensation

F Khoshahval, P Zhang, D Lee - … and Methods in Physics Research Section …, 2020 - Elsevier
Many light-water reactors use self-powered neutron detectors (SPNDs) to monitor neutron
flux. Some SPNDs suffer from delayed response. To compensate for this inherent delay …

A two-time-scale approach for discrete-time Kalman filter design and application to AHWR flux map**

R Ananthoju, AP Tiwari… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
In large nuclear reactors such as the Advanced Heavy Water Reactor (AHWR), the core
neutron flux distribution needs to be continuously monitored and displayed to the operator …

A Kalman filtering of the Self-Powered Neutron Detector current to determine excess reactivity

M Zarei - Radiation Physics and Chemistry, 2021 - Elsevier
Self-powered neutron detectors are common sensory devices for flux map** purposes in
nuclear reactors. A Kalman filtering strategy has been explored in this work to overcome the …

[HTML][HTML] Current compensation for material consumption of cobalt self-powered neutron detector

X Liu, Z Wang, Q Zhang, B Deng, Y Niu - Nuclear Engineering and …, 2020 - Elsevier
Abstract Co Self-Powered Neutron Detector (SPND) is confronted with the problem of
material consumption, which causes the response current can neither reflect the change of …

Development and validation of a PWR on-line power-distribution monitoring system NECP-ONION

Z Li, L Cao, H Wu, Y Li, Z Liu, W Shen… - Nuclear Engineering and …, 2017 - Elsevier
A 3D on-line power-distribution monitoring system NECP-ONION has been developed and
validated in this paper. It includes plant data processing, core calculation and on-line power …

[BOOK][B] WirelessHARTTM: Filter Design for Industrial Wireless Networked Control Systems

TD Chung, R Ibrahim, VS Asirvadam, N Saad… - 2017 - books.google.com
This book presents a guideline for EWMA filter design for industrial wireless networked
control system, both theoretically and practically. The filter's key advantages are simple …

[HTML][HTML] Field programmable gate array reliability analysis using the dynamic flowgraph methodology

P McNelles, L Lu - Nuclear Engineering and Technology, 2016 - Elsevier
Field programmable gate array (FPGA)-based systems are thought to be a practical option to
replace certain obsolete instrumentation and control systems in nuclear power plants. An …

Algorithms for processing self-powered neutron detector signals important for determination of local parameters in each part of the VVER core

S Lys, A Kanyuka - EPJ Nuclear Sciences & Technologies, 2022 - epjn.epj.org
These investigation findings prove the possibility of a engineering solution for VVER core
automatic protection during operation in both nominal and transient conditions within ICIS …

Application of data reconciliation and fault detection and isolation of ion chambers in Advanced Heavy Water Reactor

VS Yellapu, AP Tiwari, SB Degweker - Annals of Nuclear Energy, 2015 - Elsevier
In a nuclear reactor, eg Advanced Heavy Water Reactor, a large number of neutron flux
detectors are used for measurement of core flux based on which different monitoring, control …