Adaptive structures Mechanical metamaterials Robotic materials Programmable structures Multistable structures Structural nonlinearity Elastic instabilities Structural dynamics Nonlinear vibrations
Modeling of nonlinear systems Structural dynamics and localization Flow-induced vibrations Impacting systems Bifurcations and chaos
Modeling and Analysis of Thermal Systems Heat Pumping, Air Conditioning and Refrigeration Technologies High Performance Buildings Refrigerant and Lubricant Properties
Engineering geology, underground construction, rock mechanics, fracture mechanics.
Acoustics Active and passive noise control Sound field visualization Structural acoustics and wave propagation in structures Noise control material modeling Applied signal processing
Indoor air quality (IAQ), HVAC filtration, human exposure assessment, airborne nanoparticles, bioaerosols (fungi, bacteria, pollen, allergens), air quality in occupational workplaces, particle adhesion & resuspension, early-life/infant exposures, combustion aerosols & wood smoke, new particle formation, urban air pollution, low-cost air quality monitoring, health effects of air pollution, and fate & transport of VOCs/SVOCs.
Modeling, analysis, and control of thermal systems
Multi-scale robotic manipulation and assembly Mobile micro/nano robotics Micro/nano aerial vehicles Micro-Bio robotics Mechatronics MEMS/NEMS Automation for the life sciences
Experimental fluid dynamics Development of flow diagnostic techniques Flow dynamics in stratified environment Turbulent flow measurements and modeling
Dynamic systems and control Mechatronics Digital and functional printing and fabrication Motion and vibration control and perception Embedded systems and real-time control
Identify interactions and design spaces at the intersection of energy technologies, economics, and decision-making process to minimize the cost of transitioning to new, decarbonized energy systems
Sound quality Signal Processing Data analysis System modeling and identification Condition monitoring of machinery Perception-based engineering Seat-occupant modeling
Structural Dynamics and Control Cyber-physical Systems Machine Vision Real-time Hybrid Simulation Damage Detection and Structural Condition Monitoring Cyberinfrastructure Development
Vibrations and nonlinear dynamics Smart material systems Non-pneumatic tires Optimization of mechanical systems Additive manufacturing
Predictive, multi-scale modeling and simulation of microstructure evolution in confined granular systems, with an emphasis in manufacturing processes and the relationship between product fabrication and performance. Application areas of interest include: (i) particulate products and processes (e.g., flow, mixing, segregation, consolidation, and compaction of powders), (ii) continuous manufacturing (e.g., Quality by Design, model predictive control, and reduced order models), and (iii) performance of pharmaceutical solid products (e.g., tensile strength, stiffness, swelling and disintegration), biomaterials (e.g., transport and feeding of corn stover) and energetic materials (e.g., deformation and heat generation under quasi-static, near-resonant and impact conditions, and formation and growth of hot spots) materials.
Thermal sciences as applied to HVAC&R systems and equipment
Advanced thermal energy conversion systems, energy utilization in buildings, and the interactions between a building and its environment. Specifically include the development of advanced, highly integrated, heating, ventilating, air conditioning, and refrigeration systems; the role of renewable distributed power generation and combined heat and power (CHP) systems in residential and commercial buildings; and the integration of these technologies into high performance buildings
Autonomous sensing, data interpretation and intelligent condition assessment of structures. He has been working in the field of computer vision and machine learning to develop robust systems for health monitoring of civil infrastructures.
Dynamic modeling and optimal control; model predictive control; decentralized control Thermodynamics-based optimization; entropy generation minimization; exergy analysis Integrated energy management and storage in distributed energy systems, building systems
• Smart buildings, intelligent building operation, system identification, model predictive control • Human-building interactions, personalized control, self-tuned environments • Smart and connected energy-aware residential communities • Energy efficient and mixed-mode buildings, innovative energy and comfort delivery systems • Solar technology integration in building operation
Building electrification, flexibility, and efficiency Integrating flexible loads, energy storage, and distributed solar into power grids Optimization and control under uncertainty Energy policy
Dynamics Nonlinear vibration of continuous systems Stability analysis
Naturally nanostructured materials Energy, water, and wearable technology Manufacturing
Acoustic Source Modeling and sound field reconstruction Active noise control Room acoustics simulation and auralization Noise control treatments Human perception of noise
Dissimilar material 3D printing Additive manufacturing of energetic materials Additive manufacturing of materials for high temperature applications Quality control in additive manufacturing
Motion and vibration control Adaptive control Intelligent control using fuzzy logic and neural networks Engine and emissions diagnostics Robotics
Solar cooling and heating systems, building heat transfer, building energy supply systems, building controls and operations, building and building system modeling & simulation, sustainable building design and analysis, and building system integration dedicated to sustainable and healthy built environments
Structural analysis and design of reinforced and prestressed concrete structures, with emphasis on seismic performance of concrete buildings and infrastructure, structural models and experimental methods, and design codes for structural concrete
Nonlinear Dynamics and Vibration Resonant Micro/Nanosystems Microscale Sensors and Actuators
Structural Health Monitoring Wave propagation Structural dynamics and vibration control Adaptive structures Periodic structures and acoustic metamaterials Energy harvesting Thermoacoustics
Model-based system and control design of commercial vehicle power trains Connected and automated commercial vehicles Internal combustion engine & after-treatment system design and controls Flexible valve actuation in diesel and natural gas engines
Design and optimization of high performance buildings, daylighting, building envelopes and dynamic facade systems, indoor environmental quality, building simulation.
Adaptive and robust control Nonlinear control Precision control of mechanical systems Vehicle control Robotics
Advanced heat pumping/heat engine technologies and their equipment Positive displacement compressors and expanders High performance buildings Thermal Management Systems