Now showing items 1-20 of 42

    • Adaptive Robot Navigation Protocol for Estimating Variable Terrain Elevation Data 

      Parker, Lonnie T.; Howard, Ayanna M. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2011-10)
      Efficiently measuring environmental phenomena (e.g., elevation, chemical composition, and mineral density) is a task typically reserved for the geoscience community. Recent robotic systems with the potential for addressing ...
    • Applying behavioral strategies for student engagement using a robotic educational agent 

      Brown, LaVonda; Kerwin, Ryan; Howard, Ayanna M. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2013-10)
      Adaptive learning is an educational method that utilizes computers as an interactive teaching device. Intelligent tutoring systems, or educational agents, use adaptive learning techniques to adapt to each student’s needs ...
    • Applying gaming principles to virtual environments for upper extremity therapy games 

      Nixon, Mason; Howard, Ayanna M. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2013-10)
      Home-based care modalities may yield many advantages in therapy and rehabilitation. Virtual systems for rehabilitation are an emerging technology that may be used to enhance the effectiveness of home-based care while ...
    • Dealing with Childhood Obesity: Passive versus Active Activity Monitoring Approaches for Engaging Individuals in Exercise 

      Valentin, Giancarlo; Howard, Ayanna M. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2013-02)
      Childhood obesity is a growing health problem. Indicators show that the rate of obesity for children age 12-19 years old has risen from 5% percent to 18% over the last ten years. Strategies to solve this childhood obesity ...
    • Developing the Capabilities of Blind and Visually Impaired Youth to Build and Program Robots 

      Dorsey, Rayshun; Park, Chung Hyuk; Howard, Ayanna M. (Georgia Institute of Technology, 2013-02)
      In this paper, we will discuss the use of accessible technologies to expose visually impaired students to the science of robotics using real world, hands-on activities. The purpose of the initiative stemmed from the current ...
    • Development and Evaluation of User Interfaces for Situation Observability in Life Support Systems 

      Taylor, Hilary; Lee, Benjamin; Jhingory, Jerome; Drayer, Gregorio E.; Howard, Ayanna M. (Georgia Institute of TechnologyAmerican Institute of Aeronautics and Astronautics, Inc., 2012-07)
      Slow-changing characteristics of controlled environmental systems, the increasing availability of sensor information, and the need to avoid human error makes the manual control of these systems ever more challenging to ...
    • Ecophysiological Models in Simulations of an Aquatic Habitat for Closed-Loop Life Support Research 

      Drayer, Gregorio E.; Howard, Ayanna M. (Georgia Institute of TechnologyAmerican Institute of Aeronautics and Astronautics, Inc., 2012-07)
      A limitation in closed-loop life support system research is the no-availability of small-scale experimental capacities that may help to better understand the challenges in system closure, integration, and control. Ground-based ...
    • Educational Value of Experiments on Life Support Systems with Ground-Based Aquatic Habitats 

      Drayer, Gregorio E.; Howard, Ayanna M. (Georgia Institute of TechnologyAmerican Institute of Aeronautics and Astronautics, Inc., 2012-07)
      On April 10th 2010, at the Kennedy Space Center, President Barack Obama pronounced his “Remarks on Space Exploration in the 21st Century." The President included closed- loop life support systems (LSS) as a technology that ...
    • Engaging children in math education using a socially interactive humanoid robot 

      Brown, LaVonda; Howard, Ayanna M. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2013-10)
      Studies have shown that teaching processes, which incorporate robotic-based engagement methods, can approach the effectiveness of human tutors. Not only have these socially engaging robots been used in education, but also ...
    • Estimation-informed, Resource-aware Robot Navigation for Environmental Monitoring Applications 

      Parker, Lonnie T.; Coogle, Richard A.; Howard, Ayanna M. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2013-05)
      Environmental monitoring of spatially-distributed geo-physical processes (e.g., temperature, pressure, or humidity) requires efficient sampling schemes, particularly, when employing an autonomous mobile agent to execute ...
    • Examining the learning effects of a low-cost haptic-based virtual reality simulator on laparoscopic cholecystectomy 

      Park, Chung Hyuk; Wilson, Kenneth L.; Howard, Ayanna M. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2013-06)
      Virtual reality (VR) surgical training can be a potentially useful method for improving practicing surgical skills. However, the current literature on VR training has not discussed the efficacy of VR systems that are useful ...
    • A FAM-based Switched Control Approach for the Automation of Bioregenerative Life Support Systems 

      Drayer, Gregorio E.; Howard, Ayanna M. (Georgia Institute of TechnologyAmerican Institute of Aeronautics and Astronautics, 2011-07)
      The automation of bioregenerative life support systems poses challenges for the development of model-based approaches given the varying characteristic of the biological processes that constitute them. Switching control ...
    • Fuzzy Image Processing in Sun Sensor 

      Mobasser, Sohrab; Liebe, Carl Christian; Howard, Ayanna M. (Georgia Institute of Technology, 2003-06)
      Sun sensors are widely used in spacecraft attitude determination subsystems to provide a measurement of the sun vector in spacecraft coordinates. At the Jet Propulsion Laboratory, California Institute of Technology, there ...
    • A granular approach to the automation of bioregenerative life support systems that enhances situation awareness 

      Drayer, Gregorio E.; Howard, Ayanna M. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2012-03)
      Bioregenerative life support systems introduce novel challenges for the development of model-based approaches to their control given the varying characteristic of the biological processes that constitute them. Switching ...
    • A Granular Multi-Sensor Data Fusion Method for Situation Observability in Life Support Systems 

      Drayer, Gregorio E.; Howard, Ayanna M. (Georgia Institute of TechnologyAmerican Institute of Aeronautics and Astronautics, Inc., 2012-07)
      Slow-changing characteristics of controlled environmental systems and the increasing availability of data from sensors and measurements offer opportunities for the development of computational methods to enhance situation ...
    • Horizon Line Estimation In Glacial Environments Using Multiple Visual Cues 

      Williams, Stephen; Howard, Ayanna M. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2011-05)
      While the arctic possesses significant information of scientific value, surprisingly little work has focused on developing robotic systems to collect this data. For arctic robotic data collection to be a viable solution, ...
    • Human-Expert Data Aggregation for Situation-Based Automation of Regenerative Life Support Systems 

      Drayer, Gregorio E.; Howard, Ayanna M. (Georgia Institute of TechnologyAmerican Institute of Aeronautics and Astronautics, Inc., 2012-07)
      Regenerative life support systems (RLSS) introduce novel challenges for the development of automation systems given the emerging behaviors that result from incremental system closure. Switching control paradigms offer the ...
    • The iceberg observation problem: using multiple agents to monitor and observe ablating target sources 

      Coogle, Richard A.; Howard, Ayanna M. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2013-10)
      Ships that operate in polar regions continue to face the threat of floating ice sheets and icebergs generated from an ice ablation process. Systems have been implemented to track these threats, with varying degrees of ...
    • Incorporating a Model of Human Panic Behavior for Robotic-Based Emergency Evacuation 

      Robinette, Paul; Howard, Ayanna M. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2011-08)
      Evacuating a building in an emergency situation can be very confusing and dangerous. Exit signs are static and thus have no ability to convey information about congestion or danger between the sign and the actual exit door. ...
    • Information Propagation Applied to Robot-Assisted Evacuation 

      Robinette, Paul; Vela, Patricio A.; Howard, Ayanna M. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2012-05)
      Inspired by large fatality rates due to fires in crowded areas and the increasing presence of robots in dangerous emergency situations, we have implemented a model of information propagation among evacuees. Information ...