Now showing items 1-20 of 132

    • A Novel Method and Exoskeletons for Whole-Arm Gravity Compensation 

      Hull, Joshua; Turner, Ranger; Simon, Athulya A.; Asbeck, Alan T. (IEEE, 2020-08-17)
      We present a new method for providing gravity compensation to a human or robot arm. This method allows the arm to be supported in any orientation, and also allows for the support of a load held in the hand. We accomplish ...
    • An elbow exoskeleton for haptic feedback made with a direct drive hobby motor 

      Kim, Hubert; Asbeck, Alan T. (Elsevier, 2020)
      A direct drive motor is one of the simplest mechanisms that can be used to move a mechanical joint. In particular, a brushless direct current (BLDC) motor with no gearing produces a low parasitic torque due to its ...
    • CPES Annual Report 2020 

      Unknown author (Virginia Tech, 2020)
      This CPES Annual Report provides a quick insight to the Center's research efforts in 2020.
    • Force Push: Exploring Expressive Gesture-to-Force Mappings for Remote Object Manipulation in Virtual Reality 

      Yu, Run; Bowman, Douglas A. (Frontiers Media, 2018-09-28)
      This paper presents Force Push, a novel gesture-based interaction technique for remote object manipulation in virtual reality (VR). Inspired by the design of magic powers in popular culture, Force Push uses intuitive hand ...
    • Relative Effects of Real-world and Virtual-World Latency on an Augmented Reality Training Task: An AR Simulation Experiment 

      Nabiyouni, Mahdi; Scirbo, Siroberto; Bowman, Douglas A.; Höllerer, Tobias (Frontiers Media, 2017-01-30)
      In augmented reality (AR), virtual objects and information are overlaid onto the user’s view of the physical world and can appear to become part of the real-world. Accurate registration of virtual objects is a key requirement ...
    • 3D Sketching and Flexible Input for Surface Design: A Case Study 

      Leal, Anamary; Bowman, Douglas A. (Brazilian Computing Society (SBC), 2014)
      Designing three-dimensional (3D) surfaces is difficult in both the physical world and in 3D modeling software, requiring background knowledge and skill. The goal of this work is to make 3D surface design easier and more ...
    • Motion Inference Using Sparse Inertial Sensors, Self-Supervised Learning, and a New Dataset of Unscripted Human Motion 

      Geissinger, Jack H.; Asbeck, Alan T. (MDPI, 2020-11-06)
      In recent years, wearable sensors have become common, with possible applications in biomechanical monitoring, sports and fitness training, rehabilitation, assistive devices, or human-computer interaction. Our goal was to ...
    • illumiNation, Volume Three, 2019-2020 

      Unknown author (Virginia Tech. College of Liberal arts and Human Sciences, 2020)
      This is the third volume of illumiNation, the annual magazine for the College of Liberal Arts and Human Sciences. The theme for this issue is Technology + Creativity. Emerging technologies are forcing us to grapple with ...
    • ICAT Creativity + Innovation Day Exhibit and Event Catalog May 4, 2020 

      Unknown author (Virginia Tech. Institute for Creativity, Arts, and Technology, 2020-05-04)
      A program for the festival held virtually on May 4, 2020.
    • Dynamic Analysis and Design Optimization of a Drag-Based Vibratory Swimmer 

      Tahmasian, Sevak; Jafaryzad, Arsam; Bulzoni, Nicolas L.; Staples, Anne E. (MDPI, 2020-03-22)
      Many organisms achieve locomotion via reciprocal motions. This paper presents the dynamic analysis and design optimization of a vibratory swimmer with asymmetric drag forces and fluid added mass. The swimmer consists of a ...
    • Immersion Bioprinting of Tumor Organoids in Multi-Well Plates for Increasing Chemotherapy Screening Throughput 

      Maloney, Erin; Clark, Casey; Sivakumar, Hemamylammal; Yoo, KyungMin; Aleman, Julio; Rajan, Shiny A. P.; Forsythe, Steven; Mazzocchi, Andrea; Laxton, Adrian W.; Tatter, Stephen B.; Strowd, Roy E.; Votanopoulos, Konstantinos I.; Skardal, Aleksander (MDPI, 2020-02-18)
      The current drug development pipeline takes approximately fifteen years and $2.6 billion to get a new drug to market. Typically, drugs are tested on two-dimensional (2D) cell cultures and animal models to estimate their ...
    • Gradient Poly(ethylene glycol) Diacrylate and Cellulose Nanocrystals Tissue Engineering Composite Scaffolds via Extrusion Bioprinting 

      Frost, Brody A.; Sutliff, Bradley P.; Thayer, Patrick; Bortner, Michael J.; Foster, E. Johan (2019-10-18)
      Bioprinting has advanced drastically in the last decade, leading to many new biomedical applications for tissue engineering and regenerative medicine. However, there are still a myriad of challenges to overcome, with vast ...
    • Bioinspired design of flexible armor based on chiton scales 

      Connors, Matthew; Yang, Ting; Hosny, Ahmed; Deng, Zhifei; Yazdandoost, Fatemeh; Massaadi, Hajar; Eernisse, Douglas; Mirzaeifar, Reza; Dean, Mason N.; Weaver, James C.; Ortiz, Christine; Li, Ling (Springer Nature, 2019-12-10)
      Man-made armors often rely on rigid structures for mechanical protection, which typically results in a trade-off with flexibility and maneuverability. Chitons, a group of marine mollusks, evolved scaled armors that address ...
    • Studies In Spatial Aural Perception: Establishing Foundations For Immersive Sonification 

      Bukvic, Ivica Ico; Earle, Gregory D.; Sardana, Disha; Joo, Woohun (Georgia Institute of Technology, 2019-06)
      The Spatial Audio Data Immersive Experience (SADIE) project aims to identify new foundational relationships pertaining to human spatial aural perception, and to validate existing relationships. Our infrastructure consists ...
    • Reimagining Human Capacity For Location-Aware Aural Pattern Recognition: A Case For Immersive Exocentric Sonification 

      Bukvic, Ivica Ico; Earle, Gregory D. (Georgia Institute of Technology, 2018-06)
      The following paper presents a cross-disciplinary snapshot of 21st century research in sonification and leverages the review to identify a new immersive exocentric approach to studying human capacity to perceive spatial ...
    • An Adaptive Actuation Mechanism for Anthropomorphic Robot Hands 

      Kontoudis, George P.; Liarokapis, Minas; Vamvoudakis, Kyriakos G.; Furukawa, Tomonari (Frontiers, 2019-07-05)
      This paper presents an adaptive actuation mechanism that can be employed for the development of anthropomorphic, dexterous robot hands. The tendon-driven actuation mechanism achieves both flexion/extension and adduction/abduction ...
    • Piezoelastic PVDF/TPU Nanofibrous Composite Membrane: Fabrication and Characterization 

      Elnabawy, Eman; Hassanin, Ahmed H.; Shehata, Nader; Popelka, Anton; Nair, Remya; Yousef, Saifallah; Kandas, Ishac (MDPI, 2019-10-10)
      Poly (vinylidene fluoride) nanofibers (PVDF NFs) have been extensively used in energy harvesting applications due to their promising piezoresponse characteristics. However, the mechanical properties of the generated fibers ...
    • illumiNation, Volume Two, 2018-2019 

      Unknown author (Virginia Tech. College of Liberal arts and Human Sciences, 2019)
      This is the second volume of illumiNation, the annual magazine for the College of Liberal Arts and Human Sciences. The theme for this issue is "Watching the Detectives: Cold Case Files, Missing Person Investigations, and ...
    • Immersive Archaeology 

      Ogle, J. Todd; Skarbez, Rick (2018-05-01)
      We propose a system which integrates a high-fidelity immersive virtual environment based on ground-truth 3D scanning data from archaeological sites augmented with ethnohistoric data in the form of archival records, photos, ...
    • Classifying Diverse Physical Activities Using “Smart Garments” 

      Mokhlespour Esfahani, Mohammad Iman; Nussbaum, Maury A. (MDPI, 2019-07-16)
      Physical activities can have important impacts on human health. For example, a physically active lifestyle, which is one of the most important goals for overall health promotion, can diminish the risk for a range of physical ...