Now showing items 1-20 of 49

    • A Point-and-Click Interface for the Real World: Laser Designation of Objects for Mobile Manipulation 

      Kemp, Charles C.; Anderson, Cressel D.; Nguyen, Hai; Trevor, Alexander J. B.; Xu, Zhe (Georgia Institute of TechnologyAssociation for Computing Machinery (ACM), 2008-03)
      We present a novel interface for human-robot interaction that enables a human to intuitively and unambiguously se- lect a 3D location in the world and communicate it to a mo- bile robot. The human points at a location of ...
    • EL-E: An Assistive Mobile Manipulator that Autonomously Fetches Objects from Flat Surfaces 

      Nguyen, Hai; Anderson, Cressel D.; Trevor, Alexander J. B.; Jain, Advait; Xu, Zhe; Kemp, Charles C. (Georgia Institute of Technology, 2008-03-12)
      Objects within human environments are usually found on flat surfaces that are orthogonal to gravity, such as floors, tables, and shelves. We first present a new assistive robot that is explicitly designed to take advantage ...
    • Behaviors for Robust Door Opening and Doorway Traversal with a Force-Sensing Mobile Manipulator 

      Jain, Advait; Kemp, Charles C. (Georgia Institute of Technology, 2008-06)
      Fully autonomous robots will often need to open doors and traverse doorways in order to freely operate within human environments, and assistive robots that open doors on command would potentially benefit the motor impaired. ...
    • Probabilistic UHF RFID tag pose estimation with multiple antennas and a multipath RF propagation 

      Deyle, Travis; Kemp, Charles C.; Reynolds, Matt S. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2008-09)
      We present a novel particle filter implementation for estimating the pose of tags in the environment with respect to an RFID-equipped robot. This particle filter combines signals from a specially designed RFID antenna ...
    • A foveated passive UHF RFID system for mobile manipulation 

      Deyle, Travis; Anderson, Cressel D.; Kemp, Charles C.; Reynolds, Matt S. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2008-09)
      We present a novel antenna and system architecture for mobile manipulation based on passive RFID technology operating in the 850 MHz - 950 MHz ultra-high-frequency (UHF) spectrum. This system exploits the electromagnetic ...
    • A Clickable World: Behavior Selection Through Pointing and Context for Mobile Manipulation 

      Nguyen, Hai; Jain, Advait; Anderson, Cressel D.; Kemp, Charles C. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2008-09)
      We present a new behavior selection system for human-robot interaction that maps virtual buttons overlaid on the physical environment to the robotpsilas behaviors, thereby creating a clickable world. The user clicks on a ...
    • Bio-inspired Assistive Robotics: Service Dogs as a Model for Human-Robot Interaction and Mobile Manipulation 

      Nguyen, Hai; Kemp, Charles C. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2008-10)
      Service dogs have successfully provided assistance to thousands of motor-impaired people worldwide. As a step towards the creation of robots that provide comparable assistance, we present a biologically inspired robot ...
    • Laser Pointers and a Touch Screen: Intuitive Interfaces for Autonomous Mobile Manipulation for the Motor Impaired 

      Choi, Young Sang; Anderson, Cressel D.; Glass, Jonathan D.; Kemp, Charles C. (Georgia Institute of TechnologyAssociation for Computing Machinery (ACM), 2008-10)
      El-E (“Ellie”) is a prototype assistive robot designed to help people with severe motor impairments manipulate everyday objects. When given a 3D location, El-E can autonomously approach the location and pick up a nearby ...
    • Hand It Over or Set It Down: A User Study of Object Delivery with an Assistive Mobile Manipulator 

      Choi, Young Sang; Chen, Tiffany L.; Jain, Advait; Anderson, Cressel D.; Glass, Jonathan D.; Kemp, Charles C. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2009)
      Delivering an object to a user would be a generally useful capability for service robots. Within this paper, we look at this capability in the context of assistive object retrieval for motor-impaired users. We first describe ...
    • Human-Robot Interaction Studies for Autonomous Mobile Manipulation for the Motor Impaired 

      Choi, Young Sang; Anderson, Cressel D.; Deyle, Travis; Kemp, Charles C. (Georgia Institute of TechnologyAAAI Press, 2009-03)
      We are developing an autonomous mobile assistive robot named El-E to help individuals with severe motor impairments by performing various object manipulation tasks such as fetching, transporting, placing, and delivering. ...
    • 1000 Trials: An empirically validated end effector that robustly grasps objects from the floor 

      Xu, Zhe; Deyle, Travis; Kemp, Charles C. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2009-05)
      Unstructured, human environments present great challenges and opportunities for robotic manipulation and grasping. Robots that reliably grasp household objects with unknown or uncertain properties would be especially useful, ...
    • Behavior-Based Door Opening with Equilibrium Point Control 

      Jain, Advait; Kemp, Charles C. (Georgia Institute of Technology, 2009-06)
      Within this paper we present a set of behaviors that enable a mobile manipulator to reliably open a variety of doors. After a user designates a location within 20cm of the door handle, the robot autonomously locates the ...
    • A List of Household Objects for Robotic Retrieval Prioritized by People with ALS 

      Choi, Young Sang; Deyle, Travis; Chen, Tiffany L.; Glass, Jonathan D.; Kemp, Charles C. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2009-06)
      Studies have consistently shown that object retrieval would be a valuable task for assistive robots to perform, yet detailed information about the needs of patients with respect to this task has been lacking. In this paper, ...
    • RF vision: RFID receive signal strength indicator (RSSI) images for sensor fusion and mobile manipulation 

      Deyle, Travis; Nguyen, Hai; Reynolds, Matt S.; Kemp, Charles C. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2009-10)
      In this work we present a set of integrated methods that enable an RFID-enabled mobile manipulator to approach and grasp an object to which a self-adhesive passive (battery-free) UHF RFID tag has been affixed. Our primary ...
    • PPS-Tags: Physical, Perceptual and Semantic Tags for Autonomous Mobile Manipulation 

      Nguyen, Hai; Deyle, Travis; Reynolds, Matt S.; Kemp, Charles C. (Georgia Institute of Technology, 2009-10)
      For many promising application areas, autonomous mobile manipulators do not yet exhibit sufficiently robust performance. We propose the use of tags applied to task-relevant locations in human environments in order to help ...
    • Pulling Open Novel Doors and Drawers with Equilibrium Point Control 

      Jain, Advait; Kemp, Charles C. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2009-12)
      A large variety of doors and drawers can be found within human environments. Humans regularly operate these mechanisms without difficulty, even if they have not previously interacted with a particular door or drawer. In ...
    • EL-E: An Assistive Mobile Manipulator that Autonomously Fetches Objects from Flat Surfaces 

      Jain, Advait; Kemp, Charles C. (Georgia Institute of TechnologySpringer Netherlands, 2010-01-01)
      Assistive mobile robots that autonomously manipulate objects within everyday settings have the potential to improve the lives of the elderly, injured, and disabled. Within this paper, we present the most recent version of ...
    • RFID-Guided Robots for Pervasive Automation 

      Deyle, Travis; Nguyen, Hai; Reynolds, Matt S.; Kemp, Charles C. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2010-01-15)
      Passive UHF RFID tags are well matched to robots' needs. Unlike lowfrequency (LF) and high-frequency (HF) RFID tags, passive UHF RFID tags are readable from across a room, enabling a mobile robot to efficiently discover ...
    • Lead Me by the Hand: Evaluation of a Direct Physical Interface for Nursing Assistant Robots 

      Chen, Tiffany L.; Kemp, Charles C. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2010-03)
      When a user is in close proximity to a robot, physical contact becomes a potentially valuable channel for communication. People often use direct physical contact to guide a person to a desired location (e.g., leading a ...
    • Pulling Open Doors and Drawers: Coordinating an Omni-directional Base and a Compliant Arm with Equilibrium Point Control 

      Jain, Advait; Kemp, Charles C. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2010-05)
      Previously, we have presented an implementation of impedance control inspired by the Equilibrium Point Hypothesis that we refer to as equilibrium point control (EPC). We have demonstrated that EPC can enable a robot in a ...