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 …

Optimal subcooling in vapor compression systems via extremum seeking control: Theory and experiments

JP Koeln, AG Alleyne - International journal of refrigeration, 2014 - Elsevier
With vapor compression systems consuming a significant portion of the overall US energy
consumption each year, extensive efforts have been made toward the development of …

Detection of internal resistance change for photovoltaic arrays using extremum-seeking control MPPT signals

X Li, Y Li, JE Seem, P Lei - IEEE Transactions on Control …, 2015 - ieeexplore.ieee.org
Maximum power point tracking (MPPT) and fault diagnosis are two important aspects of
reducing the cost of energy for photovoltaic (PV) systems. Many mechanisms of PV …

Observer-based perturbation extremum seeking control with input constraints for direct-contact membrane distillation process

F Eleiwi, TM Laleg-Kirati - International Journal of Control, 2018 - Taylor & Francis
An observer-based perturbation extremum seeking control is proposed for a direct-contact
membrane distillation (DCMD) process. The process is described with a dynamic model that …

[PDF][PDF] Optimization of the water-cooled chiller plant system operation

S Huang, W Zuo - Proc. of ASHRAE/IBPSA-USA Building …, 2014 - researchgate.net
This paper describes a case study of the model-based condenser water temperature
setpoint control for a chiller plant with multiple chillers and cooling towers. The plant was …

Hybrid nonlinear model predictive control of a cooling water network

JH Viljoen, CJ Muller, IK Craig - Control Engineering Practice, 2020 - Elsevier
Abstract A Hybrid Nonlinear Model Predictive Control (HNMPC) strategy is developed for
temperature control and power consumption minimisation of a cooling water network. The …

Single temperature sensor superheat control using a novel maximum slope-seeking method

K Vinther, H Rasmussen, R Izadi-Zamanabadi… - international journal of …, 2013 - Elsevier
Superheating of refrigerant in the evaporator is an important aspect of safe operation of
refrigeration systems. The level of superheat is typically controlled by adjusting the flow of …

[PDF][PDF] Effect of heat rejection load and wet bulb on cooling tower performance

M Schwedler - Ashrae journal, 2014 - jp.trane.com
Effect of heat rejection load and wet bulb on cooling tower performance Page 1 ASHRAE
JOURNAL ashrae.org JANUARY 2014 16 TECHNICAL FEATURE Understanding these …

[HTML][HTML] Evolutionary Multi-Objective Optimization Applied to Industrial Refrigeration Systems for Energy Efficiency

N Nedjah, L de Macedo Mourelle, MSD Lizarazu - Energies, 2022 - mdpi.com
Refrigeration systems based on cooling towers and chillers are widely used equipment in
industrial buildings, such as shopping centers, gas and oil refineries and power plants …

Energy‐efficient operation of indirect adiabatic data center cooling systems via Newton‐like phasor extremum seeking control

M Lionello, R Lucchese, M Rampazzo… - … Journal of Adaptive …, 2021 - Wiley Online Library
This paper considers the problem of optimizing the operation of Indirect Adiabatic Cooling
(IAC) systems with application to data centers. Optimal operation is achieved when the …