Now showing items 1-17 of 17

    • Accurate On-Line 3D Occupancy Grids Using Manhattan World Constraints 

      Peasley, Brian; Birchfield, Stan; Cunningham, Alexander; Dellaert, Frank (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2012-10)
      In this paper we present an algorithm for constructing nearly drift-free 3D occupancy grids of large indoor environments in an online manner. Our approach combines data from an odometry sensor with output from a visual ...
    • Advanced substrate design for label-free detection of trace organic and biological molecules 

      Combs, Zachary Allen (Georgia Institute of Technology, 2013-11-01)
      To truly realize and exploit the extremely powerful information given from surface-enhanced Raman scattering (SERS) spectroscopy, it is critical to develop an understanding of how to design highly sensitive and selective ...
    • Conductive inkjet printed antennas on flexible low-cost paper-based substrates for RFID and WSN applications 

      Rida, Amin H. (Georgia Institute of Technology, 2009-03-31)
      This thesis investigates inkjet-printed flexible antennas fabricated on paper substrates as a system-level solution for ultra-low-cost and mass production of RF structures. These modules are designed for the UHF Radio ...
    • Crack detection using a passive wireless strain sensor 

      Lantz, Gabriel Antoine (Georgia Institute of Technology, 2011-08-29)
      Nearly one third of the 604,426 bridges in the United-States are either structurally deficient or functionally obsolete. Monitoring these bridges is essential to avoid catastrophic accidents. In steel bridges fatigue induced ...
    • Efficient ranging-sensor navigation methods for indoor aircraft 

      Sobers, David Michael, Jr. (Georgia Institute of Technology, 2010-07-09)
      Unmanned Aerial Vehicles are often used for reconnaissance, search and rescue, damage assessment, exploration, and other tasks that are dangerous or prohibitively difficult for humans to perform. Often, these tasks include ...
    • Evaluating the effectiveness of using touch sensor capacitors as an input device for a wrist watch computer 

      Wilson, Gregory (Georgia Institute of Technology, 2007-12-17)
      On the go computing is becoming more important for users who wish to access information from anywhere. Wearable computers are an optimal solution to achieving this feat because it allows for easy accessibility and quick ...
    • Integrated optical interferometric sensors on silicon and silicon cmos 

      Thomas, Mikkel Andrey (Georgia Institute of Technology, 2008-10-14)
      The main objective of this research is to fabricate and characterize an optically integrated interferometric sensor on standard silicon and silicon CMOS circuitry. An optical sensor system of this nature would provide the ...
    • Interface circuits for readout and control of a micro-hemispherical resonating gyroscope 

      Mayberry, Curtis Lee (Georgia Institute of Technology, 2014-12-11)
      Gyroscopes are inertial sensors that measure the rate or angle of rotation. One of the most promising technologies for reaching a high-performance MEMS gyroscope has been development of the micro-hemispherical shell ...
    • Invasive and non-invasive detection of bias temperature instability 

      Ahmed, Fahad (Georgia Institute of Technology, 2014-05-14)
      Invasive and non-invasive methods of BTI monitoring and wearout preemption have been proposed. We propose a novel, simple to use, test structure for NBTI /PBTI monitoring. The proposed structure has an AC and a DC stress ...
    • Metal-transfer-molding (MTM) technique for micromachined RF components 

      Zhao, Yanzhu (Georgia Institute of Technology, 2008-07-08)
      This dissertation reports a metal-transfer-molding (MTM) technique for simultaneous implementation of air-lifted RF passive components, as well as coplanar waveguide (CPW) structures, in a high performance and potentially ...
    • Physics of sensing for graphene solution gated field effect transistors 

      Bedoya, Mauricio David (Georgia Institute of Technology, 2015-11-16)
      Graphene is a promising material for chemical sensing applications and many studies have focused on incorporating graphene into \sgfet s sensors. The purpose of this work is to get a deeper understanding of the physics ...
    • Silicon-Based Resonant Microsensors 

      Brand, Oliver (Georgia Institute of Technology, 2008-10-21)
      The presentation gives an introduction to resonant microsensors providing a frequency output signal. These sensors generally benefit from an excellent frequency resolution, which is ideally limited only by the length of ...
    • Simulation, fabrication and characterization of piezoresistive bio-/chemical sensing microcantilevers 

      Goericke, Fabian Thomas (Georgia Institute of Technology, 2007-07-05)
      Piezoresistive microcantilevers can be used for the detection of biological and chemical substances by measuring the change in surface stress. Design parameters for the cantilever and piezoresistor dimensions are ...
    • T-Shaped Fluorophores Towards the Development of Novel Fluorescent Architectures 

      Gharakhanian, Eric Gregory (Georgia Institute of Technology, 2010-05-12)
      This study reports the synthesis and photophysical characterization of 12 compounds from two new fluorophore architectures, in order to study the photophysics of cruciforms in relation to stilbenes. Therefore, analogues ...
    • Vapor phase detection of a narcotic using surface acoustic wave immunoassay sensors 

      Stubbs, Desmond D.; Lee, Sang-Hun; Hunt, William D. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2005-06)
      Currently, the narcotic sniffing dog remains the most accurate, reliable, and widely used sensing technology in the war on drugs. However, recent studies done at the Institute for Biological Detection Systems at Auburn ...
    • Wafer-scale processing of arrays of nanopore devices 

      Ahmadi, Amir (Georgia Institute of Technology, 2013-01-10)
      Nanopore-based single-molecule analysis of biomolecules such as DNA and proteins is a subject of strong scientific and technological interest. In recent years, solid state nanopores have been demonstrated to possess a ...
    • Wireless communication impact of high-voltage corona formation on an antenna 

      Morys, Marcin (Georgia Institute of Technology, 2015-07-23)
      Owing to their inherent isolation and ability for remote interrogation, wireless sensors are an effective way to monitor the operation of high-voltage power transmission lines. A wireless sensor on a high-voltage line has ...