A review of optimization approaches for controlling water-cooled central cooling systems

L Jia, S Wei, J Liu - Building and Environment, 2021 - Elsevier
Buildings consume a large amount of energy across all sectors of society, and a large
proportion of building energy is used by HVAC systems to provide a comfortable and healthy …

Performance comparison of a heating tower heat pump and an air-source heat pump: A comprehensive modeling and simulation study

S Huang, W Zuo, H Lu, C Liang, X Zhang - Energy conversion and …, 2019 - Elsevier
The heating tower heat pump (HTHP) is proposed as an alternative to the conventional air-
source heat pump (ASHP). To investigate the performance improvements of the HTHP over …

An unsupervised data mining-based framework for evaluation and optimization of operation strategy of HVAC system

Z Tian, Z Lu, Y Lu, Q Zhang, X Lin, J Niu - Energy, 2024 - Elsevier
The evaluation and optimization of existing operation strategies are significant for energy-
saving in heating, ventilation, and air conditioning (HVAC) systems. The personalized …

Model-based predictive control optimization of chiller plants with water-side economizer system

C Fan, X Zhou - Energy and Buildings, 2023 - Elsevier
A chiller plant with a water-side economizer (WSE) system is an environmental technology
that utilizes the low-grade natural cooling source to optimize the cooling supply and reduce …

Energy optimization methodology of multi-chiller plant in commercial buildings

SR Thangavelu, A Myat, A Khambadkone - Energy, 2017 - Elsevier
This study investigates the potential energy savings in commercial buildings through
optimized operation of a multi-chiller plant. The cooling load contributes 45–60% of total …

Benchmarking high performance HVAC Rule-Based controls with advanced intelligent Controllers: A case study in a Multi-Zone system in Modelica

X Lu, Y Fu, Z O'Neill - Energy and Buildings, 2023 - Elsevier
The design, commissioning, and retrofit of heating, ventilation, and air-conditioning (HVAC)
control systems are crucially important for energy efficiency. However, designers and control …

Parallel pump and chiller system optimization method for minimizing energy consumption based on a novel multi-objective gorilla troops optimizer

J Cai, H Yang, T Lai, K Xu - Journal of Building Engineering, 2023 - Elsevier
Minimizing the energy usage of the parallel pump and chiller system is a crucial method for
lowering buildings' energy consumption. The variations in the cooling load of buildings …

District cooling system control for providing regulation services based on safe reinforcement learning with barrier functions

P Yu, H Zhang, Y Song - Applied Energy, 2023 - Elsevier
Thermostatically controlled loads (TCLs) in buildings are ideal resources to provide
regulation services for power systems. As large-scale and centralized TCLs with high …

Chiller system optimization using k nearest neighbour regression

WT Ho, FW Yu - Journal of Cleaner Production, 2021 - Elsevier
This study applies the k nearest neighbour (kNN) regression to ascertain optimal operating
strategies for a chiller system, hence lowering its carbon emissions. First, 19 operating …

Energy-saving potential analysis for a 24-hour operating chiller plant using the model-based global optimization method

J Niu, R Zhou, Z Tian, J Zhu, Y Lu, J Ma - Journal of Building Engineering, 2023 - Elsevier
Various studies have been conducted to develop energy efficient measures for chiller plants.
In these studies, much attention has been paid to equipment retrofits and various optimal …