Now showing items 1-10 of 56
Experimental Analysis and Control of Recompression Homogeneous Charge Compression Ignition Combustion at the High Cyclic Variability Limit.
(2014)
The automotive industry currently faces many challenges pertaining to strict emissions and fuel consumption constraints for a sustainable society. These regulations have motivated the investigation of low temperature ...
Active Acoustic Emission From a Two-dimensional Electron Gas.
(2014)
This work examines the performance and fundamental operating principles of an active acoustic emitter based on an AlGaN/GaN high electron mobility transistor (HEMT). Strong piezoelectric effects in GaN-based semiconductors ...
Designing Thermal Modulators for Portable GC x GC Systems.
(2015)
Microelectromechanical systems (MEMS) have the advantage of scale and can be manufactured in bulk. One of the active areas of MEMS research is the development of micro-scale comprehensive two-dimensional gas chromatography ...
Toward Co-Design of Autonomous Aerospace Cyber-Physical Systems.
(2014)
Modern vehicles are equipped with a complex suite of computing (cyber) and electromechanical (physical) systems. Holistic design, modeling, and optimization of such Cyber-Physical Systems (CPS) requires new techniques ...
Microtechnologies for Discharge-based Sensors.
(2015)
Microdischarge-based sensors are known to offer advantages such as the ability to operate at temperature extremes and to provide large output signals that do not require local amplification. This work is primarily directed ...
Resilient Monitoring and Control Systems: Design, Analysis, and Performance Evaluation.
(2015)
Critical infrastructure systems (i.e., power plants, transportation networks, chemical plants, etc.) and their sensor networks are vulnerable to cyber-physical attacks. Cyber-attacks refer to the malicious manipulation of ...
Gallium Nitride Resonators for Infrared Detector Arrays and Resonant Acoustoelectric Amplifiers.
(2014)
This work presents the first comprehensive utilization of Gallium Nitride (GaN) in high-performance, high-frequency micromechanical resonators. It presents characterization of critical electromechanical properties of GaN ...
Nonholonomic Virtual Constraints and Gait Optimization for Robust Robot Walking Control.
(2016)
Bipedal locomotion is well suited for mobile robotics because it promises to allow robots to traverse difficult terrain and work effectively in man-made environments. Despite this inherent advantage, however, no existing ...
Aluminum Nitride-on-Silicon Temperature-Stable Resonators and Filters for Timing Applications.
(2014)
Silicon based micromechanical resonators have been successfully utilized as a replacement for Quartz in time keeping applications. Addition of silicon dioxide allows a reduction in the total temperature induced frequency ...
Kernel Based Model Parametrization and Adaptation with Applications to Battery Management Systems.
(2015)
With the wide spread use of energy storage systems, battery state of health (SOH) monitoring has become one of the most crucial challenges in power and energy research, as SOH significantly affects the performance and life ...