Data mining in building automation system for improving building operational performance

F **ao, C Fan - Energy and buildings, 2014 - Elsevier
Today's building automation system (BAS) provides us with a tremendous amount of data on
actual building operation. Buildings are becoming not only energy-intensive, but also …

Autoencoder-driven fault detection and diagnosis in building automation systems: Residual-based and latent space-based approaches

Y Choi, S Yoon - Building and Environment, 2021 - Elsevier
Recently, data-driven fault detection and diagnosis (FDD) technologies have been studied
extensively to detect the fault status early and maintain the health of building automation …

A fast chiller power demand response control strategy for buildings connected to smart grid

X Xue, S Wang, C Yan, B Cui - Applied Energy, 2015 - Elsevier
With the increasing integration of renewable energies into electrical grids, power imbalance
has become one of the most critical issues in grid operations. The end-users at power …

[HTML][HTML] A systematic review of treatments and fixes for low delta-T syndrome in cooling systems

A van den Brink, S Walker, W Zeiler, R Kramer - Energy and Buildings, 2024 - Elsevier
Low delta-T syndrome is known to decrease the energy efficiency of chilled water systems
and jeopardize human thermal comfort. Many studies have addressed low delta-T …

Dynamic optimization of chilled water pump operation to reduce HVAC energy consumption

TK Wijaya, MI Alhamid, K Saito, N Nasruddin - Thermal Science and …, 2022 - Elsevier
Energy consumption in building has been increasing significantly due to higher demand on
cooling system. It consumes a large share of total building energy usage. A proper operation …

[HTML][HTML] Low delta-T syndrome in cooling systems: A systematic review of the signs, symptoms, and causes

A van den Brink, S Walker, R Kramer… - Applied Thermal …, 2024 - Elsevier
Return water temperature and flow rate are indicators of the energy efficiency of chilled
water systems. Since the late 1980s, the return water temperature has deviated from the …

A system-level fault detection and diagnosis method for low delta-T syndrome in the complex HVAC systems

D Gao, S Wang, K Shan, C Yan - Applied energy, 2016 - Elsevier
Low delta-T syndrome widely exists in the existing air-conditioning systems and results in
increased energy consumption. This paper presents a system-level fault detection and …

Reinforcement learning control strategy for differential pressure setpoint in large-scale multi-source looped district cooling system

D Wang, C Gao, Y Sun, W Wang, S Zhu - Energy and Buildings, 2023 - Elsevier
Large-scale multi-source looped district cooling (MLDC) systems are expected to be a
promising solution to support decarbonization goals and combat climate change owing to …

Research on systematic optimization methods for chilled water systems in a high-rise office building

J Deng, S He, Q Wei, M Liang, Z Hao, H Zhang - Energy and Buildings, 2020 - Elsevier
The chilled water system is the major component of HVAC systems, and it consumes a large
amount of energy and has significant influence on the cooling effect. To save energy and …

Globally optimal control of hybrid chilled water plants integrated with small-scale thermal energy storage for energy-efficient operation

W Zou, Y Sun, D Gao, X Zhang - Energy, 2023 - Elsevier
The integration of thermal energy storage in chilled water systems is an effective way to
improve energy efficiency and is essential for achieving carbon emission reduction …