Search Results - "Chen, Zhelun"

Challenges and opportunities of machine learning control in building operations by Zhang, Liang, Chen, Zhelun, Zhang, Xiangyu, Pertzborn, Amanda, Jin, Xin

“…Machine learning control (MLC) is a highly flexible and adaptable method that enables the design, modeling, tuning, and maintenance of building controllers to…”
Get full text

A labeled dataset for building HVAC systems operating in faulted and fault-free states by Granderson, Jessica, Lin, Guanjing, Chen, Yimin, Casillas, Armando, Wen, Jin, Chen, Zhelun, Im, Piljae, Huang, Sen, Ling, Jiazhen

“…Open data is fueling innovation across many fields. In the domain of building science, datasets that can be used to inform the development of operational…”
Get full text

Large language model-based interpretable machine learning control in building energy systems by Zhang, Liang, Chen, Zhelun

“…•Innovative interpretable machine learning framework for machine learning control.•Shapley values and large language models are combined for improved…”
Get full text

Advancing building energy modeling with large language models: Exploration and case studies by Zhang, Liang, Chen, Zhelun, Ford, Vitaly

“…•Exploring and Highlighting LLM’s transformative impact on BEM applications.•Case studies illustrate LLM’s role in enhancing BEM’s efficiency and…”
Get full text

A simulation-based evaluation of fan coil unit fault effects by Chen, Yimin, Lin, Guanjing, Chen, Zhelun, Wen, Jin, Granderson, Jessica

“…Faults in heating, ventilation and air conditioning (HVAC) systems cause increased energy consumption, degrading thermal comforts, growing operational cost and…”
Get full text

A novel evaluation method of measurement sensitivities on common faults in VAV HVAC systems by Chen, Yimin, Chen, Zhelun, Lin, Guanjing, Zhang, Yun, Ye, Shi

“…Today, a high volume of operation interval data can be efficiently captured by a diverse range of measurements including sensors, control signals and meters,…”
Get full text

Overview of occupant-centric KPIs for building performance and their value to various building stakeholders by Sleiman, Sleiman, Ouf, Mohamed, Luo, Wei, Kramer, Rick, Zeiler, Wim, Borkowski, Esther, Hong, Tianzhen, Nagy, Zoltan, Chen, Zhelun

“…[Display omitted] •Overview of building stakeholders was presented.•Occupant-centric KPIs criteria and data requirement was presented.•Stakeholders were…”
Get full text

A review of data-driven fault detection and diagnostics for building HVAC systems by Chen, Zhelun, O’Neill, Zheng, Wen, Jin, Pradhan, Ojas, Yang, Tao, Lu, Xing, Lin, Guanjing, Miyata, Shohei, Lee, Seungjae, Shen, Chou, Chiosa, Roberto, Piscitelli, Marco Savino, Capozzoli, Alfonso, Hengel, Franz, Kührer, Alexander, Pritoni, Marco, Liu, Wei, Clauß, John, Chen, Yimin, Herr, Terry

“…With the wide adoption of building automation system, and the advancement of data, sensing, and machine learning techniques, data-driven fault detection and…”
Get full text

Performance assessment of a real water source heat pump within a hardware-in-the-loop (HIL) testing environment by Calfa, Caleb, Yang, Zhiyao, Li, Yicheng, Chen, Zhelun, O’Neill, Zheng, Wen, Jin

“…Over the last decade, the global fight against climate change through electrification has led to an increase in research on building heating, ventilation, and…”
Get full text

Development of high-fidelity air handling unit fault models for FDD innovation: lessons learned and recommendations by Casillas, Armando, Chen, Yimin, Granderson, Jessica, Lin, Guanjing, Chen, Zhelun, Wen, Jin, Huang, Sen

“…Interest in automated building analytics, including fault detection and diagnostics has been increasing; however, developers of these solutions have lacked…”
Get full text

Evaluation of data imputation approaches for multi-stream building systems data 1 by Pradhan, Ojas, Wen, Jin, Hälleberg, David, Chen, Zhelun, Varman, Noresh, Huang, Jiajing, Wu, Teresa, Candan, K. Selçuk, O’Neill, Zheng

Get full text

A Reconfigurable Cold-Startup SSHI Rectifier with 4X Lower Input Amplitude Requirement for Piezoelectric Energy Harvesting by Yue, Xinling, Zou, Yiwei, Chen, Zhelun, Liang, Junrui, Du, Sijun

“…Synchronized switch harvesting on inductor (SSHI) is an efficient active rectifier to extract energy generated from piezoelectric transducer in piezoelectric…”
Get full text

A Highly Efficient Fully Integrated Active Rectifier for Ultrasonic Wireless Power Transfer by Yue, Xinling, Chen, Zhelun, Zou, Yiwei, Du, Sijun

“…Ultrasonic wireless power transfer (WPT) has been proved to be a promising approach to power biomedical implants. To extract the energy generated from the…”
Get full text

Evaluating the performance of an Inexact Newton method with a preconditioner for dynamic building system simulation by Chen, Zhelun, Wen, Jin, Kearsley, Anthony J., Pertzborn, Amanda

“…Efficiently, robustly, and accurately solving systems of nonlinear differential algebraic equations for dynamic building system simulation is becoming more…”
Get full text

Advanced co-simulation framework for assessing the interplay between occupant behaviors and demand flexibility in commercial buildings by Chen, Zhelun, Wen, Jin, Li, Yicheng, Lo, L. James, Grajewski, Gabriel, Payne, W. Vance, Bushby, Steven T, Pertzborn, Amanda, O'Neill, Zheng, Yang, Zhiyao, Calfa, Caleb

“…With buildings contributing significantly to electricity usage, enabling demand flexibility becomes a challenge, especially when accounting for occupant…”
Get full text

Evaluation of data imputation approaches for multi-stream building systems data1 by Pradhan, Ojas, Wen, Jin, Hälleberg, David, Chen, Zhelun, Varman, Noresh, Huang, Jiajing, Wu, Teresa, Candan, K. Selçuk, O'Neill, Zheng

“…Increasing advancements in building digitization, smart sensing, and metering technologies have allowed large amounts of timeseries data to be collected for…”
Get full text

Advanced Solver Development for Large-scale Dynamic Building System Simulation by Chen, Zhelun

“…Efficiently, robustly and accurately solving large and sparse nonlinear algebraic and differential equation system for dynamic building simulation is becoming…”
Get full text

Large Language Model-Based Interpretable Machine Learning Control in Building Energy Systems by Zhang, Liang, Chen, Zhelun

“…The potential of Machine Learning Control (MLC) in HVAC systems is hindered by its opaque nature and inference mechanisms, which is challenging for users and…”
Get full text

Opportunities and Challenges of Applying Large Language Models in Building Energy Efficiency and Decarbonization Studies: An Exploratory Overview by Zhang, Liang, Chen, Zhelun

“…In recent years, the rapid advancement and impressive capabilities of Large Language Models (LLMs) have been evident across various domains. This paper…”
Get full text

Advancing Building Energy Modeling with Large Language Models: Exploration and Case Studies by Zhang, Liang, Chen, Zhelun, Ford, Vitaly

“…The rapid progression in artificial intelligence has facilitated the emergence of large language models like ChatGPT, offering potential applications extending…”
Get full text