Gregory S. Pavlak

ORCID: 0000-0003-4734-0750
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About
Contact & Profiles
Research Areas
  • Building Energy and Comfort Optimization
  • Smart Grid Energy Management
  • Microgrid Control and Optimization
  • Urban Heat Island Mitigation
  • Integrated Energy Systems Optimization
  • Wind and Air Flow Studies
  • Energy Efficiency and Management
  • Probabilistic and Robust Engineering Design
  • Advanced Multi-Objective Optimization Algorithms
  • Energy Load and Power Forecasting
  • Greenhouse Technology and Climate Control
  • Water-Energy-Food Nexus Studies
  • Advanced Control Systems Optimization
  • Noise Effects and Management
  • Process Optimization and Integration
  • Optimal Power Flow Distribution
  • Solar Radiation and Photovoltaics
  • Geothermal Energy Systems and Applications
  • Thermodynamic and Exergetic Analyses of Power and Cooling Systems
  • Structural Health Monitoring Techniques
  • Adsorption and Cooling Systems
  • Advanced Data Processing Techniques
  • Sustainable Building Design and Assessment
  • HVDC Systems and Fault Protection
  • Power Systems and Renewable Energy

Pennsylvania State University
2019-2024

University of Colorado Boulder
2013-2016

Occupancy-aware heating, ventilation, and air conditioning (HVAC) control offers the opportunity to reduce energy use without sacrificing thermal comfort. Residential HVAC systems often manually-adjusted or constant setpoint temperatures, which heat cool house regardless of whether it is needed. By incorporating occupancy-awareness into control, heating cooling can be used for only those time periods Yet, bringing this technology fruition dependent on accurately predicting occupancy....

10.3390/en13205396 article EN cc-by Energies 2020-10-15

Bayesian and nonlinear least-squares methods of calibration were evaluated compared for gray-box modeling a retail building. Gray-box model is one form system identification examined here with perturbations to the simple yet popular European Committee Standardization (CEN)-ISO thermal network model. The primary objective was understand whether computational expense probabilistic techniques required provide robustness signal noise, specifically regard lower dimensional problems (physical or...

10.1061/(asce)ae.1943-5568.0000145 article EN Journal of Architectural Engineering 2013-12-30

This paper proposes a novel application of modular multi-level converter (MMC) for photovoltaic (PV) generation system to maximize the efficiency in partial shading conditions. A DC/DC boost is placed between each sub-module (SM) MMC and PV array extract maximum power. Furthermore, proposed topology enhanced with an independent active/reactive power control strategy demand response purposes. The effect circulating currents also minimized using proportional resonance (PR) controller....

10.1109/tpec.2019.8662179 article EN 2019-02-01

Abstract Advanced district thermal energy systems, which circulate water at temperatures near ambient conditions, and facilitate the utilization of waste heat renewable sources, can lower carbon-intensity urban districts, advancing U.N. Sustainable Development Goals. Optimization network topology — selection best subset buildings to connect them, minimize life cycle cost increase adoption these system in appropriate applications. The potential “solution space” optimization problem grows...

10.1088/1755-1315/588/2/022054 article EN IOP Conference Series Earth and Environmental Science 2020-11-01
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