Generalization analysis and improvement of CNN-based nuclear power plant fault diagnosis model under varying power levels

M Lin, J Li, Y Li, X Wang, C Jin, J Chen - Energy, 2023 - Elsevier
The domain discrepancy caused by power level gap between training set (source domain)
and test set (target domain) limits the generalization of data-driven models in practical …

Generation and evaluation of a synthetic dataset to improve fault detection in district heating and cooling systems

M Vallee, T Wissocq, Y Gaoua, N Lamaison - Energy, 2023 - Elsevier
This paper investigates various types of faults in District Heating & Cooling (DHC) systems.
Many authors point out that the lack of data hinders the development of good data-driven …

A time-series turbofan engine successive fault diagnosis under both steady-state and dynamic conditions

YZ Chen, E Tsoutsanis, C Wang, LF Gou - Energy, 2023 - Elsevier
In recent years there has been a growing interest in gas turbine fault diagnosis, especially
under dynamic conditions, due to the evolving operating profile of gas turbines and the need …

Open set recognition fault diagnosis framework based on convolutional prototype learning network for nuclear power plants

J Li, M Lin, B Wang, R Tian, S Tan, Y Li, J Chen - Energy, 2024 - Elsevier
Abstract As an Open Set Recognition (OSR) problem, nuclear power plant fault diagnosis
requires not only the correct classification of known faults, but also the effective identification …

Intelligent fuzzy modeling of heavy-duty gas turbine for smart power generation

L Gong, G Hou, J Li, H Gao, L Gao, L Wang, Y Gao… - Energy, 2023 - Elsevier
Natural gas-fired combined cycle unit is appropriate alternative of coal-fired unit for clean
power generation. To address the dramatic nonlinearity, strong coupling and observable …

Exergy-related process monitoring for hot strip mill process based on improved support tensor data description

C Zhang, K Peng, J Dong, X Zhang, K Yang - Energy, 2023 - Elsevier
Process monitoring is important for ensuring industrial production safety. If faults are
detected in time, maintenance plan will be made to avoid economic losses. Traditional …

[HTML][HTML] A novel model-based diagnostics for identifying component degradations in gas turbines for power generation

YK Park, JH Jeong, TS Kim - Case Studies in Thermal Engineering, 2024 - Elsevier
Improving the accuracy of gas turbine performance diagnosis is important for reducing
maintenance costs. Conventional model-based diagnostics use either compressor map …

The Effect of Flight Speed and Altitude on Windmilling Restart Operation of Turbofan Engine System

J Zhang, Z Wang, S Li, P Wei - … Expo: Power for …, 2024 - asmedigitalcollection.asme.org
The unpredictable flame-out may occur due to various factors such as weather conditions
and bird strikes. After flame-out, the engine should undergo a challenging and risky restart …

Validation of Ecology and Energy Parameters of Diesel Exhausts Using Different Fuel Mixtures, Consisting of Hydrogenated Vegetable Oil and Diesel Fuels …

J Matijošius, A Rimkus, A Gruodis - Machines, 2024 - mdpi.com
Machine learning models have been used to precisely forecast emissions from diesel
engines, specifically examining the impact of various fuel types (HVO10, HVO 30, HVO40 …

A Novel Adaptive Generation Method for Initial Guess Values of Component-Level Aero-Engine Start-Up Models

W Zhou, S Lu, W Kai, J Wu, C Zhang, F Lu - Sustainability, 2023 - mdpi.com
To solve the difficult problem of selecting initial guess values for component-level aero-
engine start-up models, a novel method based on the flow-based back-calculation algorithm …