Chaoshun Li
YOU?
Author Swipe
View article: Intelligent Load Forecasting for Central Air Conditioning Using an Optimized Hybrid Deep Learning Framework
Intelligent Load Forecasting for Central Air Conditioning Using an Optimized Hybrid Deep Learning Framework Open
Accurate load forecasting of central air conditioning (CAC) systems is crucial for enhancing energy efficiency and minimizing operational costs. However, the complex nonlinear correlations among meteorological factors, water system dynamic…
View article: Multi-Scenario Optimization of PID Controllers for Hydro-Wind-Solar Complementary Systems Based on the DEAGNG Algorithm
Multi-Scenario Optimization of PID Controllers for Hydro-Wind-Solar Complementary Systems Based on the DEAGNG Algorithm Open
This paper focuses on the hydro–solar–wind complementary system, targeting two typical scenarios (both include PV output fluctuations driven by solar radiation intensity: wind power not participating in frequency regulation and wind power …
View article: Multi-Objective Optimized Fuzzy Fractional-Order PID Control for Frequency Regulation in Hydro–Wind–Solar–Storage Systems
Multi-Objective Optimized Fuzzy Fractional-Order PID Control for Frequency Regulation in Hydro–Wind–Solar–Storage Systems Open
In the integrated hydro–wind–solar–storage system, the strong output fluctuations of wind and solar power, along with prominent system nonlinearity and time-varying characteristics, make it difficult for traditional PID controllers to achi…
View article: Deformation and Stress of a Runner in Large Francis Turbines Under Wide-Load Operating Conditions
Deformation and Stress of a Runner in Large Francis Turbines Under Wide-Load Operating Conditions Open
During partial-load operation, hydroelectric units are frequently subjected to hydraulic vibrations caused by pressure fluctuations within the turbine. These vibrations can result in deformation of the runner blades and, in severe instance…
View article: Coordinated multi-objective optimization scheduling for electric vehicle swapping station cluster and grid
Coordinated multi-objective optimization scheduling for electric vehicle swapping station cluster and grid Open
The electric vehicle (EV) market in China is gradually expanding, and with it the number of charging facilities. However, the challenge of long waiting time for EV charging is inevitable. EV battery swapping stations (WEP-EVBSS) that integ…
View article: Optimization of Renewable Energy Sharing for Electric Vehicle Integrated Energy Stations and High-Rise Buildings Considering Economic and Environmental Factors
Optimization of Renewable Energy Sharing for Electric Vehicle Integrated Energy Stations and High-Rise Buildings Considering Economic and Environmental Factors Open
Amid the rapid growth of the new energy vehicle industry and the accelerating global shift toward green and low-carbon energy alternatives, this paper develops a multi-objective optimization model for an Electric Vehicle Integrated Energy …
View article: Reconfigurable unitary transformations of optical beam arrays
Reconfigurable unitary transformations of optical beam arrays Open
Spatial transformations of light are ubiquitous in optics, with examples ranging from simple imaging with a lens to quantum and classical information processing in waveguide meshes. Multi-plane light converter (MPLC) systems have emerged a…
View article: Universal Topology Refinement for Medical Image Segmentation with Polynomial Feature Synthesis
Universal Topology Refinement for Medical Image Segmentation with Polynomial Feature Synthesis Open
Although existing medical image segmentation methods provide impressive pixel-wise accuracy, they often neglect topological correctness, making their segmentations unusable for many downstream tasks. One option is to retrain such models wh…
View article: Reconfigurable unitary transformations of optical beam arrays
Reconfigurable unitary transformations of optical beam arrays Open
Spatial transformations of light are ubiquitous in optics, with examples ranging from simple imaging with a lens to quantum and classical information processing in waveguide meshes. Multi-plane light converter (MPLC) systems have emerged a…
View article: Fault diagnosis method of rolling bearing based on MSSA-VMD algorithm
Fault diagnosis method of rolling bearing based on MSSA-VMD algorithm Open
Early fault signals of rolling bearings are affected by environmental noise, which makes it challenging to extract fault characteristics. In this paper, a bearing fault diagnosis method based on Sparrow Search Algorithm (SSA) and Variable …
View article: Multivariate iterative nonlinear chirp mode decomposition: principles and applications
Multivariate iterative nonlinear chirp mode decomposition: principles and applications Open
The rotor-bearing system (RBS) of a hydroelectric unit includes multiple components such as the rotor, rotor shaft, coupling, turbine, and main shaft. There is a strong coupling relationship between the vibration signals of multiple bearin…
View article: Multi-channel deterioration trend prediction of pumping storage unit based on temporal graph convolution network
Multi-channel deterioration trend prediction of pumping storage unit based on temporal graph convolution network Open
The safe and stable operation of pumped storage units is related to the integrity of the power grid, and it is necessary to study the prediction of unit deterioration trends. Traditional degradation trend prediction methods are mostly for …
View article: Stability analysis of hydropower unit operation conditions considering hydro-turbine nonlinearity
Stability analysis of hydropower unit operation conditions considering hydro-turbine nonlinearity Open
This paper aims to study the law that the stability of hydropower systems changes with the system operating point and clarify the impact of hydro-turbine nonlinearity and hydraulic nonlinearity on the system stability. Firstly, the piecewi…
View article: Optimal scheduling of electricity and hydrogen integrated energy system considering multiple uncertainties
Optimal scheduling of electricity and hydrogen integrated energy system considering multiple uncertainties Open
The spread of renewable energy (RE) generation not only promotes the economy and environmental protection, but also brings uncertainty to the power system. As the integration of hydrogen and electricity can effectively mitigate the fluctua…
View article: Reducing dependence on peat for flower seedling cultivation through the use of unfermented bamboo particles as renewable resources
Reducing dependence on peat for flower seedling cultivation through the use of unfermented bamboo particles as renewable resources Open
This study employed Bambusa emeiensis branches and leaves to prepare non-decomposing bamboo particles, which can serve as renewable resources in the plant cultivation industry. Experiments were conducted to assess the effect of the relativ…
View article: An improved graph convolutional networks for fault diagnosis of rolling bearing with limited labeled data
An improved graph convolutional networks for fault diagnosis of rolling bearing with limited labeled data Open
Rolling bearings are essential parts of rotating equipment. Due to their unique operating environment, bearings are vulnerable to failure. Graph neural network (GNN) provides an effective way of mining relationships between data samples. H…
View article: Combined EEMD with a Novel Flexible Wavelet Threshold Function for Weighing Signal Denoising Approach
Combined EEMD with a Novel Flexible Wavelet Threshold Function for Weighing Signal Denoising Approach Open
This paper proposes a method of combining ensemble empirical mode decomposition (EEMD) with a novel flexible wavelet threshold function to reduce the random error in the weighing result that caused by the nonstationary and nonlinear noise …
View article: Dynamic Characteristics and Successive Start-Up Control Strategy Optimization of Pumped Storage Units under Low-Head Extreme Conditions
Dynamic Characteristics and Successive Start-Up Control Strategy Optimization of Pumped Storage Units under Low-Head Extreme Conditions Open
With inherent ‘S’ characteristics and the one-tunnel-with-two-units arrangement of the pump-turbine, hydraulic transient changes in the successive start-up process are complex, and the optimal control is difficult. This paper aims to study…
View article: Nonlinear Modeling and Stability of a Doubly-Fed Variable Speed Pumped Storage Power Station with Surge Tank Considering Nonlinear Pump Turbine Characteristics
Nonlinear Modeling and Stability of a Doubly-Fed Variable Speed Pumped Storage Power Station with Surge Tank Considering Nonlinear Pump Turbine Characteristics Open
This paper investigates the nonlinear modeling and stability of a doubly-fed variable speed pumped storage power station (DFVSPSPS). Firstly, the mathematical model of DFVSPSPS with surge tank considering nonlinear pump turbine characteris…