Search Results - "Ravaioli, Umberto"

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  1. 1

    Prediction and optimization of mechanical properties of composites using convolutional neural networks by Abueidda, Diab W., Almasri, Mohammad, Ammourah, Rami, Ravaioli, Umberto, Jasiuk, Iwona M., Sobh, Nahil A.

    Published in Composite structures (01-11-2019)
    “…In this paper, we develop a convolutional neural network model to predict the mechanical properties of a two-dimensional checkerboard composite quantitatively…”
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    Journal Article
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    Impact of phonon-surface roughness scattering on thermal conductivity of thin si nanowires by Martin, Pierre, Aksamija, Zlatan, Pop, Eric, Ravaioli, Umberto

    Published in Physical review letters (27-03-2009)
    “…We present a novel approach for computing the surface roughness-limited thermal conductivity of silicon nanowires with diameter D<100 nm. A frequency-dependent…”
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    Journal Article
  3. 3

    P2PLoc: Peer-to-Peer Localization of Fast-Moving Entities by Dhekne, Ashutosh, Ravaioli, Umberto J., Choudhury, Romit Roy

    Published in Computer (Long Beach, Calif.) (01-10-2018)
    “…P2PLoc envisions wearable Internet of Things devices that compute the relative positions of each user, resulting in a topology or configuration of mobile users…”
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    Journal Article
  4. 4

    Safe Reinforcement Learning Benchmark Environments for Aerospace Control Systems by Ravaioli, Umberto J., Cunningham, James, McCarroll, John, Gangal, Vardaan, Dunlap, Kyle, Hobbs, Kerianne L.

    Published in 2022 IEEE Aerospace Conference (AERO) (05-03-2022)
    “…Recent advancements in reinforcement learning techniques demonstrate an ability to make decisions in high dimen-sional state spaces and complex real-time…”
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    Conference Proceeding
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    Electronic Response and Bandstructure Modulation of Carbon Nanotubes in a Transverse Electrical Field by Li, Yan, Rotkin, Slava V, Ravaioli, Umberto

    Published in Nano letters (01-02-2003)
    “…The electronic properties of carbon nanotubes (NTs) in a uniform transverse field are investigated within a single orbital tight-binding (TB) model. For doped…”
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    Journal Article
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    ClusterEnG: an interactive educational web resource for clustering and visualizing high-dimensional data by Manjunath, Mohith, Zhang, Yi, Yeo, Steve H, Sobh, Omar, Russell, Nathan, Followell, Christian, Bushell, Colleen, Ravaioli, Umberto, Song, Jun S

    Published in PeerJ. Computer science (21-05-2018)
    “…Clustering is one of the most common techniques used in data analysis to discover hidden structures by grouping together data points that are similar in some…”
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    Journal Article
  8. 8

    Single-Channel Current Through Nicotinic Receptor Produced by Closure of Binding Site C-Loop by Wang, Hai-Long, Toghraee, Reza, Papke, David, Cheng, Xiao-Lin, McCammon, J. Andrew, Ravaioli, Umberto, Sine, Steven M.

    Published in Biophysical journal (06-05-2009)
    “…We investigated the initial coupling of agonist binding to channel gating of the nicotinic acetylcholine receptor using targeted molecular-dynamics (TMD)…”
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    Journal Article
  9. 9

    A Universal Framework for Generalized Run Time Assurance with JAX Automatic Differentiation by Ravaioli, Umberto J., Dunlap, Kyle, Hobbs, Kerianne

    Published in 2023 American Control Conference (ACC) (31-05-2023)
    “…With the rise of increasingly complex autonomous systems powered by black box AI models, there is a growing need for Run Time Assurance (RTA) systems that…”
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    Conference Proceeding
  10. 10

    InvertNet: a new paradigm for digital access to invertebrate collections by Dietrich, Chris, Hart, John, Raila, David, Ravaioli, Umberto, Sobh, Nahil, Sobh, Omar, Taylor, Chris

    Published in ZooKeys (01-01-2012)
    “…InvertNet, one of the three Thematic Collection Networks (TCNs) funded in the first round of the U.S. National Science Foundation's Advancing Digitization of…”
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    Journal Article
  11. 11

    Reduced Thermal Conductivity in Nanoengineered Rough Ge and GaAs Nanowires by Martin, Pierre N, Aksamija, Zlatan, Pop, Eric, Ravaioli, Umberto

    Published in Nano letters (14-04-2010)
    “…We model and compare the thermal conductivity of rough semiconductor nanowires (NWs) of Si, Ge, and GaAs for thermoelectric devices. On the basis of full…”
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    Journal Article
  12. 12

    Moving mesh adaptation for Si and GaN-based power device simulation by Ismail, Fawad, Sarker, Palash, Mohamed, Mohamed, Kim, Kyekyoon, Ravaioli, Umberto

    Published in Journal of computational electronics (01-12-2018)
    “…In this paper, we describe the development of moving mesh adaptation framework and its application to charge transport simulation of semiconductor devices,…”
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    Journal Article
  13. 13

    A Conjoined Electron and Thermal Transport Study of Thermal Degradation Induced During Normal Operation of Multigate Transistors by Mohamed, Mohamed, Aksamija, Zlatan, Vitale, Wolfgang, Hassan, Fawad, Kyeong-Hyun Park, Ravaioli, Umberto

    Published in IEEE transactions on electron devices (01-04-2014)
    “…A 3-D full-band particle Monte Carlo (MC) simulator, with full electron and phonon dispersion and a 2-D quantum correction is self-consistently coupled to a…”
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    Journal Article
  14. 14

    Junctionless MOSFETs with laterally graded-doping channel for analog/RF applications by Chen, Yongbo, Mohamed, Mohamed, Jo, Michael, Ravaioli, Umberto, Xu, Ruimin

    Published in Journal of computational electronics (01-12-2013)
    “…In this paper, we propose a laterally graded-channel pseudo-junctionless (GPJL) MOSFET for analog/RF applications. We examine the dynamical performance of GPJL…”
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    Journal Article
  15. 15

    Full band Monte Carlo calculations of velocity-field characteristics of wurtzite ZnO by Guo, Baozeng, Ravaioli, Umberto, Staedele, Maritin

    Published in Computer physics communications (01-10-2006)
    “…The calculated results of electron transport properties of wurtzite ZnO with the full band Monte Carlo simulations are presented. The electronic band structure…”
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    Journal Article
  16. 16

    Reinforcement Learning Heuristics for Aerospace Control Systems by Robinette, Preston K., Heiner, Benjamin K., Ravaioli, Umberto, Hamilton, Nathaniel, Johnson, Taylor T., Hobbs, Kerianne L.

    Published in 2022 IEEE Aerospace Conference (AERO) (05-03-2022)
    “…Reinforcement learning (RL) is a form of machine learning (ML) where an agent is directed to a goal by learning from interactions within an environment. RL has…”
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    Conference Proceeding
  17. 17

    A quantum correction based on Schrodinger equation applied to Monte Carlo device simulation by Winstead, B., Ravaioli, U.

    Published in IEEE transactions on electron devices (01-02-2003)
    “…A full-band Monte Carlo model has been coupled to a Schrodinger equation solver to account for the size quantization effects that occur at heterojunctions,…”
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    Journal Article
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    A Backscattering Model Incorporating the Effective Carrier Temperature in Nano-MOSFET by Giusi, Gino, Iannaccone, G., Crupi, F., Ravaioli, U.

    Published in IEEE electron device letters (01-07-2011)
    “…In this letter, we propose a channel backscattering model in which increased carrier temperature at the top of the potential energy barrier in the channel is…”
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    Journal Article
  20. 20

    Design Guidelines and Limitations of Multilayer Two-dimensional Vertical Tunneling FETs for UltraLow Power Logic Applications by Lu, Shang-Chun, Chu, Yuanchen, Kim, Youngseok, Mohamed, Mohamed Y., Klimeck, Gerhard, Palacios, Tomas, Ravaioli, Umberto

    “…New designs for vertical 2D-materials-based TFETs are proposed in this paper adopting asymmetric layer numbers for the top and bottom layer with undoped…”
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    Conference Proceeding