Now showing items 81-100 of 152

    • Mars exploration rover performance as a baseline for flight Rover autonomy technology assessment 

      Tunstel, Edward; Howard, Ayanna M.; Maimone, Mark; Trebi-Ollennu, Ashitey (Georgia Institute of TechnologyEuropean Space Agency, 2005-09)
      Technology assessments rely on performance metrics to establish a basis for rating technologies. Metrics are also used to measure relative merit of similar technologies to state-of-the-art technology. Functional performance ...
    • A Methodology to Assess Performance of Human-Robotic Systems in Achievement of Collective Tasks 

      Howard, Ayanna M. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2005-08)
      In this paper, we present a methodology to assess system performance of human-robotic systems in achievement of collective tasks such as habitat construction, geological sampling, and space exploration. The methodology ...
    • A Methodology to Determine Impact of Robotic Technologies on Space Science Mission 

      Howard, Ayanna M.; Lincoln, William; Manvi, Ramachandra; Guillermo, Rodriguez; Weisbin, Charles R.; Drummond, Mark (Georgia Institute of Technology, 2004-06)
      This paper presents a new method for evaluating relative strengths and impact of robotic technologies utilized for space exploration missions. The method uses a three tiered process involving mission analysis, technology ...
    • Micro Sun Sensor 

      Liebe, Carl Christian; Mobasser, Sohrab; Wrigley, Chris J.; Bae, Youngsam; Howard, Ayanna M.; Schroeder, Jeffrey R. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2002-03)
      A prototype micro Sun sensor has been developed at the Jet Propulsion Laboratory, California Institute of Technology. It consists of a thin piece of silicon coated with a layer of chrome and a layer of gold with hundreds ...
    • Mobility Reconfiguration for Terrain Exploration using Human Inspired Perception 

      Brooks, Douglas Antwonne; Howard, Ayanna M. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2009-05)
      The ability of robotic units to autonomously navigate various terrains is critical to the advancement of robotic operation in natural environments. Next generation robots will need to adapt to their environment in order ...
    • Modeling Human-Robot Trust in Emergencies 

      Robinette, Paul; Wagner, Alan R.; Howard, Ayanna M. (Georgia Institute of TechnologyAssociation for the Advancement of Artificial Intelligence, 2014-03)
      Modeling human trust decisions is a notoriously difficult problem. We focus on decisions where a victim must decide whether to trust a robot in an emergency situation and outline the necessary inputs to model this ...
    • Modeling, Design and Simulation of a Reconfigurable Aquatic Habitat for Life Support Control Research 

      Drayer, Gregorio E.; Howard, Ayanna M. (Georgia Institute of TechnologyAmerican Institute of Aeronautics and Astronautics, 2011-07)
      This paper presents the design, modeling, and simulation of a reconfigurable aquatic habitat for experiments in regenerative life support automation; it supports the use of aquatic habitats as a small-scale approach to ...
    • Multi-robot deployment and coordination with Embedded Graph Grammars 

      Smith, Brian Stephen; Howard, Ayanna; McNew, John-Michael; Wang, Jiuguang; Egerstedt, Magnus (Georgia Institute of TechnologySpringer Verlag, 2009-01)
    • Multi-Robot Task Allocation in Lunar Mission Construction Scenarios 

      Thomas, George; Howard, Ayanna M.; Williams, Andrew B.; Moore-Alston, Aryen (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2005-10)
      In this paper, we propose a method for multirobot task allocation based on the concept of task decomposition for a lunar mission scenario. This methodology focuses on segmenting a task scenario into a sequence of operations ...
    • Multi-sensor terrain classification for safe spacecraft landing 

      Howard, Ayanna M.; Seraji, Homayoun (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2004-10)
      A novel multi-sensor information fusion methodology for intelligent terrain classification is presented. The focus of this research is to analyze safety characteristics of the terrain using imagery data obtained by on-board ...
    • A Multi-Stage Neural Network for Automatic Target Detection 

      Howard, Ayanna M.; Padgett, Curtis; Liebe, Carl Christian (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 1998-05)
      Automatic Target Recognition (ATR) involves processing two-dimensional images for detecting, classifying, and tracking targets. The first stage in ATR is the detection process. This involves discrimination between target ...
    • Non-contact versus contact-based sensing methodologies for in-home upper arm robotic rehabilitation 

      Howard, Ayanna M.; Brooks, Douglas Antwonne; Brown, Edward; Gebregiorgis, Adey; Chen, Yu-ping (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2013-06)
      In recent years, robot-assisted rehabilitation has gained momentum as a viable means for improving outcomes for therapeutic interventions. Such therapy experiences allow controlled and repeatable trials and quantitative ...
    • A Novel Information Fusion Methodology for Intelligent Terrain Analysis 

      Howard, Ayanna M. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2002-05)
      This paper presents a novel information fusion methodology for intelligent terrain analysis. In our application, we define information as terrain characteristics derived from sensor data extracted from on-board spacecraft ...
    • A novel tiered sensor fusion approach for terrain characterization and safe landing assessment 

      Serrano, Navid; Bajracharya, Max; Howard, Ayanna M.; Seraji, Homayoun (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2006-03)
      This paper presents a novel, tiered sensor fusion methodology for real-time terrain safety assessment. A combination of active and passive sensors, specifically, radar, lidar, and camera, operate in three tiers according ...
    • Playing with Toys: Towards Autonomous Robot Manipulation for Therapeutic Play. 

      Trevor, Alexander J. B.; Park, Hae Won; Howard, Ayanna M.; Kemp, Charles C. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2009-05)
      When young children play, they often manipulate toys that have been specifically designed to accommodate and stimulate their perceptual-motor skills. Robotic playmates capable of physically manipulating toys have the ...
    • The Positive Effects of Verbal Encouragement in Mathematics Education Using a Social Robot 

      Brown, LaVonda N.; Howard, Ayanna M. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2014-03-08)
      Studies have shown that the use of verbal encouragement strategies in education is able to maximize learning. This idea is derived from traditional classroom settings where teachers use a multitude of behavioral ...
    • Predicting the Robot Learning Curve based on Properties of Human Interaction 

      Remy, Sekou; Howard, Ayanna (Georgia Institute of TechnologyAssociation for the Advancement of Artificial Intelligence, 2009-03)
    • Probabilistic Analysis of Market-Based Algorithms for Initial Robotic Formations 

      Viguria Jimenez, Luis Antidio; Howard, Ayanna (Georgia Institute of TechnologySAGE Publications, 2009-06)
      In this paper, we present a probabilistic analysis approach for analyzing market-based algorithms applied to the initial formation problem. These algorithms determine an assignment scheme for associating individual robots ...
    • A Probabilistic Model for the Performance Analysis of a Distributed Task Allocation Algorithm 

      Viguria Jimenez, Luis Antidio; Howard, Ayanna M. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2009-05)
      In this paper we extend our previous work where the mean of the global cost was used as a performance metric for distributed task allocation algorithms. In this case, we move a step forward and calculate the variance of ...
    • Providing tablets as collaborative task workspace for human-robot interaction 

      Park, Hae Won; Howard, Ayanna M. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2013-03)
      In a recent conference on assistive technology in special education and rehabilitation, over 54 percentage of the sessions were directly or indirectly involved with tablets. Following this trend, many traditional assistive ...