Now showing items 124-143 of 152

    • Safe Navigation on Hazardous Terrain 

      Seraji, Homayoun; Howard, Ayanna M.; Tunstel, Edward (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2001-05)
      This paper presents a new strategy for autonomous navigation of field mobile robots on hazardous natural terrain using a fuzzy logic approach and a measure of terrain traversability. The navigation strategy comprises three ...
    • A Self-Contained Traversability Sensor for Safe Mobile Robot Guidance in Unknown Terrain 

      Howard, Ayanna; Tunstel, Edward (Georgia Institute of TechnologySpringer Verlag, 2004-09)
      Autonomous mobile robots capable of intelligent behavior must operate with minimal human interaction, have the capability to utilize local resources, and routinely make closed-loop decisions in real-time based on sensor ...
    • Sensing and perception challenges of planetary surface robotics 

      Tunstel, Edward; Howard, Ayanna M. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2002-06)
      This expository paper describes sensing and perception issues facing the space robotics community concerned with deploying autonomous rovers on other planetary surfaces. Challenging sensing problems associated with rover ...
    • Shape Based Object Recognition Using a Fast Analog Convolution Processor 

      Padgett, Curtis; Howard, Ayanna; Udomkesmalle, Suraphol (Gabriel) (Georgia Institute of Technology, 2000-12)
    • Simulation versus Embodied Agents: Does either induce better human adherence to physical therapy exercise? 

      Brooks, Douglas Antwonne; Chen, Yu-ping; Howard, Ayanna M. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2012-06)
      This research investigates proper movement correlation as well as the overall perception of human subjects’ interaction with a simulated agent and an embodied agent in a physical therapeutic scenario. Using computer vision ...
    • A Single Camera Terrain Slope Estimation Technique for Natural Arctic Environments 

      Smith, Brian Stephen; Howard, Ayanna M. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2008-05)
      Arctic regions present one of the harshest environments on earth for people or mobile robots, yet many important scientific studies, particularly those involving climate change, require measurements from these areas. For ...
    • Stability and Gait Optimization of a Hybrid Legged-Wheeled Rover 

      Johns, Byron; Howard, Ayanna (Georgia Institute of TechnologyWorld Scientific Pub. Co, 2007-07)
      In this paper, we discuss the stability and gait optimization of a new kind of hybrid legged-wheeled rover. In order to control this complex robot, kinematic analysis is needed for both its wheeled and legged mobility ...
    • A Systematic Approach to Predict Performance of Human-Automation Systems 

      Howard, Ayanna M. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2007-07)
      This paper discusses an approach for predicting system performance resulting from humans and robots performing repetitive tasks in a collaborative manner. The methodology uses a systematic approach that incorporates the ...
    • TabAccess, a Wireless Controller for Tablet Accessibility for Individuals with Limited Upper-Body Mobility 

      Park, Hae Won; Howard, Ayanna M. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2013-02)
      Over 3 million individuals in the US have a disability in their hands and/or forearms and thus have difficulties in effecting pinch and swipe gestures needed for tablet interaction. In this paper, a forearm mountable mobile ...
    • Task-Learning Policies for Collaborative Task Solving in Human-Robot Interaction 

      Park, Hae Won (Georgia Institute of TechnologyAssociation for Computing Machinery, 2012)
      The objective of this doctoral research is to design multimodal task-learning policies for a robotic system that targets the exchange of task rules between humans and robots. This objective is achieved through a collaborative ...
    • Terrain Reconstruction of Glacial Surfaces via Robotic Surveying Techniques 

      Williams, Stephen; Parker, Lonnie T.; Howard, Ayanna M. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2012-12)
      The capability to monitor natural phenomena using mobile sensing is a benefit to the Earth science community given the potentially large impact that we, as humans, can have on naturally occurring processes. Observable ...
    • Terrain-Based Navigation of Planetary Rovers: A Fuzzy Logic Approach 

      Seraji, Homayoun; Howard, Ayanna M.; Tunstel, Edward (Georgia Institute of TechnologyCanadian Space Agency, 2001-06)
      This paper presents a new strategy for autonomous navigation of eld mobile robots on hazardous natural terrain using a fuzzy logic approach and a novel mea- sure of terrain traversability. The navigation strategy is comprised ...
    • Three-Dimensional Fitt’s Law Model Used to Predict Movement Time in Serious Games for Rehabilitation 

      García-Vergara, Sergio; Howard, Ayanna M. (Georgia Institute of TechnologySpringer International, 2014-06)
      Virtual reality serious game platforms have been developed to enhance the effectiveness of rehabilitation protocols for those with motor skill disorders. Such systems increase the user’s motivation to perform the recommended ...
    • To Encourage and Excite the Next Generation of Engineers through Human-Robot Interaction Projects for Space Exploration 

      Howard, Ayanna; Graham, Eva (Georgia Institute of TechnologyAmerican Society for Engineering Education, 2007-06)
      The robotics field represents the integration of multiple facets of engineering and science – from mechanical construction to intelligence programming to science data analysis. It is an ideal opportunity to showcase the ...
    • Towards Real-Time Haptic Exploration using a Mobile Robot as Mediator 

      Park, Chung Hyuk; Howard, Ayanna M. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2010-03)
      In this paper, we propose a new concept of haptic exploration using a mobile manipulation system, which combines the mobility and manipulability of the robot with haptic feedback for user interaction. The system utilizes ...
    • Towards Visual Arctic Terrain Assessment 

      Williams, Stephen; Howard, Ayanna M. (Georgia Institute of Technology, 2009-07)
      Many important scientific studies, particularly those involving climate change, require weather measurements from the ice sheets in Greenland and Antarctica. Due to the harsh and dangerous conditions of such environments, ...
    • Transfer of Skills between Human Operators through Haptic Training with Robot Coordination 

      Park, Chung Hyuk; Yoo, Jae Wook; Howard, Ayanna M. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2010-05)
      In this paper, we discuss a coordinated haptic training architecture useful for transferring expertise in teleoperation-based manipulation between two human users. The objective is to construct a reality-based haptic ...
    • Trust in Emergency Evacuation Robots 

      Robinette, Paul; Howard, Ayanna M. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2012-11)
      Would you trust a robot to lead you to safety in an emergency? What design would best attract your attention in a smoke-filled environment? How should the robot behave to best increase your trust? To answer these questions, ...
    • Understanding a Child’s play for Robot Interaction by Sequencing Play Primitives using Hidden Markov Models 

      Park, Hae Won; Howard, Ayanna M. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2010-05)
      In this paper, we discuss a methodology to build a system for a robot playmate that extracts and sequences low-level play primitives during a robot-child interaction scenario. The motivation is to provide a robot with basic ...
    • Upper Limb Rehabilitation and Evaluation of Children Using a Humanoid Robot 

      Brooks, Douglas Antwonne; Howard, Ayanna (Georgia Institute of TechnologyAssociation for Computing Machinery, 2009-11)
      This paper discusses a preliminary approach to matching child movements with robotic movements for the purpose of evaluating child upper limb rehabilitation exercises. Utilizing existing algorithms termed Motion History ...