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DTSTART;TZID=America/New_York:20230417T140000
DTEND;TZID=America/New_York:20230417T150000
DTSTAMP:20260404T153916
CREATED:20230413T183404Z
LAST-MODIFIED:20230413T183404Z
UID:10007546-1681740000-1681743600@seasevents.nmsdev7.com
SUMMARY:ESE PhD Thesis Defense: "Leveraging Models to Improve Data Efficiency: Navigation\, Reinforcement Learning\, and Lie Group Convolutions"
DESCRIPTION:Consider a system which takes data as an input\, processes the data with a model\, and outputs a decision for a particular objective. We call the measure of the amount of data used to complete the objective with some performance metric as data efficiency.  Across many domains\, it is advantageous to reduce the amount of data to achieve the same or better level of performance. In this thesis\, we exploit the model of the system in order to improve the data efficiency across three distinct domains of interest: robot navigation in ellipsoidal worlds\, reinforcement learning\, and Lie group convolutions.
URL:https://seasevents.nmsdev7.com/event/ese-phd-thesis-defense-leveraging-models-to-improve-data-efficiency-navigation-reinforcement-learning-and-lie-group-convolutions/
LOCATION:Greenberg Lounge (Room 114)\, Skirkanich Hall\, 210 South 33rd Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Dissertation or Thesis Defense
ORGANIZER;CN="Electrical and Systems Engineering":MAILTO:eseevents@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20230418T100000
DTEND;TZID=America/New_York:20230418T113000
DTSTAMP:20260404T153916
CREATED:20230317T133325Z
LAST-MODIFIED:20230317T133325Z
UID:10007520-1681812000-1681817400@seasevents.nmsdev7.com
SUMMARY:MEAM Seminar: "Nano and Polymers and Mechanics and Data"
DESCRIPTION:For polymer composites\, nanocomposites and polymer thin film systems\, the local properties of polymers can be altered by the chemical and physical interactions with substrates and embedded particles over a length scales exceeding 100nm. The mechanisms and impact of confined polymers remains still an active area of research and debate. Here we will review methods to explore nanoscale polymer properties near surfaces\, with a focus on scanning probe methods to quantitatively measure mechanical response and the interesting mechanics problems that arise. In multiphase soft materials\, local changes in the sample modulus\, tip-sample interactions and stress field interaction effects impact the acquired force curves. Coupling experimental data with simulations of indentations enable the structural effects of the particle-polymer-tip system to be accurately estimated and removed\, revealing the effects of confinement on property gradients. Capturing and archiving this data allows case studies which connect the property-structure-property domains through a combination of machine learning and physics-based modeling. We demonstrate the ability to identify the most critical features influence properties and the ability to acquire new insights from ensembles of unrelated data. The importance of data\, data resources and leverage of this knowledge in new physics based and interpretable machine learning methods is discussed. Overall this work illustrates new approaches combining physics and data based models and experiments to tackle materials design principles for the complex\, high dimensional problems inherent in the multi-phase polymer space.
URL:https://seasevents.nmsdev7.com/event/meam-seminar-nano-and-polymers-and-mechanics-and-data/
LOCATION:Wu and Chen Auditorium (Room 101)\, Levine Hall\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar
ORGANIZER;CN="Mechanical Engineering and Applied Mechanics":MAILTO:meam@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20230419T110000
DTEND;TZID=America/New_York:20230419T120000
DTSTAMP:20260404T153916
CREATED:20230123T170216Z
LAST-MODIFIED:20230123T170216Z
UID:10007436-1681902000-1681905600@seasevents.nmsdev7.com
SUMMARY:Future Leaders in Mechanobiology: Piere Rodriguez Aliaga
DESCRIPTION:Launched in May 2021\, the Future Leaders in Mechanobiology is a monthly seminar series featuring up-and-coming leaders in mechanobiology–PhD students and postdocs from a wide range of fields\, backgrounds\, and institutions. By providing an international stage to share one’s work and opportunities to interact with researchers at all career stages\, we aim to create an inclusive and valuable series for early-stage researchers and the mechanobiology community as a whole. \nFuture Leaders in Mechanobiology will meet via Zoom on the third Wednesday of the month\, at 11am ET (8am PT\, 10am CT)\, and all are welcome to attend. Recordings of past talks and the future schedule can be found below. \nRegister here: https://upenn.zoom.us/j/98208519228?pwd=aFN5aE5wdTVmbXVKNVNqMXZ4WU01dz09
URL:https://seasevents.nmsdev7.com/event/future-leaders-in-mechanobiology-piere-rodriguez-aliaga/
LOCATION:https://upenn.zoom.us/j/96715197752
CATEGORIES:Seminar
ORGANIZER;CN="Center for Engineering MechanoBiology (CEMB)":MAILTO:annjeong@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20230419T120000
DTEND;TZID=America/New_York:20230419T133000
DTSTAMP:20260404T153916
CREATED:20230418T190908Z
LAST-MODIFIED:20230418T190908Z
UID:10007550-1681905600-1681911000@seasevents.nmsdev7.com
SUMMARY:ASSET Seminar: Thinking fast with Transformers – Algorithmic Reasoning via Shortcuts (Surbhi Goel\, University of Pennsylvania)
DESCRIPTION:PRESENTATION ABSTRACT: \nIn this new era of deep learning\, the emergent algorithmic reasoning capabilities of Transformer models have led to significant advancements in natural language processing\, program synthesis\, and theorem proving. Despite their widespread success\, the underlying reasons for their efficacy and the nature of their internal representations remain elusive. In this talk\, we take the lens of learning the dynamics of finite-state machines (automata) as the underlying algorithmic reasoning task and shed light on how shallow\, non-recurrent Transformer models emulate these recurrent dynamics. By employing tools from circuit complexity and semigroup theory\, we characterize “shortcut” solutions that allow a shallow Transformer to precisely replicate $T$ computational steps of an automaton with only $o(T)$ layers. We show that Transformers are efficiently able to represent these “shortcuts” using their parameter-efficient ability to compute sparse functions and averages. Furthermore\, through synthetic experiments\, we confirm that standard training successfully discovers these shortcuts. We conclude with highlighting the brittleness of these “shortcuts” in out-of-distribution scenarios. \nThis talk is based on joint work with Bingbin Liu\, Jordan T. Ash\, Akshay Krishnamurthy\, and Cyril Zhang.
URL:https://seasevents.nmsdev7.com/event/asset-seminar-thinking-fast-with-transformers-algorithmic-reasoning-via-shortcuts-surbhi-goel-university-of-pennsylvania/
LOCATION:Levine 307\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar
ORGANIZER;CN="Computer and Information Science":MAILTO:cherylh@cis.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20230419T133000
DTEND;TZID=America/New_York:20230419T173000
DTSTAMP:20260404T153916
CREATED:20230414T202844Z
LAST-MODIFIED:20230414T202844Z
UID:10007548-1681911000-1681925400@seasevents.nmsdev7.com
SUMMARY:CIS Presents: "A Celebration of Norman Badler’s Legacy at Penn"
DESCRIPTION:
URL:https://seasevents.nmsdev7.com/event/cis-presents-a-celebration-of-norman-badlers-legacy-at-penn/
LOCATION:Glandt Forum\, Singh Center for Nanotechnology\, 3205 Walnut Street\, Philadelphia\, PA\, 19104\, United States
ORGANIZER;CN="Computer and Information Science":MAILTO:cherylh@cis.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20230419T150000
DTEND;TZID=America/New_York:20230419T160000
DTSTAMP:20260404T153916
CREATED:20230404T142037Z
LAST-MODIFIED:20230404T142037Z
UID:10007539-1681916400-1681920000@seasevents.nmsdev7.com
SUMMARY:Spring 2023 GRASP SFI: Jeffrey Lipton\, Northeastern University\, "Robotics and Digital Manufacturing"
DESCRIPTION:This is a hybrid event with in-person attendance in Levine 307 and virtual attendance via Zoom. This week’s presenter will be in-person as well. \nABSTRACT\nRobotics and manufacturing are intricately linked. Each new generation of robotic fabrication tools has transformed manufacturing\, enabling greater complexity and customization of the world around us. With the recent developments in additive manufacturing new forms of mechanical metamaterials have become possible\, changing how we make our robotic devices. In this talk we will explore how we can use robots to create novel materials and manufacturing methods\, and how we can use novel materials and manufacturing methods to enhance the capabilities of robots? I will demonstrate a mathematical framework for making torque responsive materials\, and how these materials form the basis for low-cost robotics. We will explore how 3D printing can enable use to rapidly repurpose robotic systems to solve pressing manufacturing needs\, and finally how mobile robotics can enable us to make new forms of scalable manufacturing solutions.
URL:https://seasevents.nmsdev7.com/event/spring-2023-grasp-sfi-jeffrey-lipton/
LOCATION:Levine 307\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar
ORGANIZER;CN="General Robotics%2C Automation%2C Sensing and Perception (GRASP) Lab":MAILTO:grasplab@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20230419T153000
DTEND;TZID=America/New_York:20230419T163000
DTSTAMP:20260404T153916
CREATED:20230206T141828Z
LAST-MODIFIED:20230206T141828Z
UID:10007460-1681918200-1681921800@seasevents.nmsdev7.com
SUMMARY:CBE Quinn Distinguished Lecture: "Reclaiming Engineering in the Minds of the Public: The Unheralded\, Underappreciated\, and Misunderstood Method that Built our Modern World" (Bill Hammack\, University of Illinois at Urbana-Champaign)
DESCRIPTION:Abstract: \nNaively the public assumes the products of engineers arise from the scientific method\, as reflected in an old joke among engineers about the relationship of science and engineering: “if it’s a success\, then it’s a scientific miracle\, if a disaster\, then an engineering failure.” This joke highlights that successful technologies are invisible: The hallmark of good engineering is invisibility — we rarely think of our furnace\, or a jet’s engine\, or the purity of a pharmaceutical because the methods to manufacture all these have been honed to perfection. This\, though\, also hides the creative work of engineers because the public assumes the secret of engineering lies in the mastery of arcane realms of knowledge — sophisticated calculus and powerful computing science implemented by a dispassionate\, almost mechanical person — yet the power of engineers to change the world lies in their method\, a method used long before sophisticated mathematics and computers. This talk lifts the veil to show\, in all its glory\, the engineering method\, which\, once understood\, highlights the creativity of engineers\, demonstrates their work is the pinnacle of human reasoning\, and lays a foundation about how to think about technology — how to decide its proper use and aid it in fulfilling its promise. Using rich examples\, this talk strips bare the tools often confused for the engineering method – scientific knowledge\, mathematical manipulation – to expose what lies at the heart of the method: a surprisingly simple notion called a “rule of thumb.” \nBio: \nBill Hammack is a Grainger Distinguished Chair in the Department of Chemical & Biomolecular Engineering at the University of Illinois at Urbana-Champaign. He earned a B.S. at Michigan Technological University\, and a M.S. and Ph.D. from the University of Illinois at Urbana-Champaign — all in chemical engineering. He taught for a decade at Carnegie-Mellon University before returning to the University of Illinois where he has taught since 1998. From August 2005 to August 2006 he served as a Jefferson Science Fellow at the U.S. Department of State. His work focuses on explaining engineering and technology to the general public. For a decade he broadcast commentaries on public radio\, and over the last decade has developed a YouTube channel with over a million subscribers and over seventy million views. His work has been recognized with awards from a diverse group of engineering and science societies\, including the “trifecta” of science journalism: the Science in Society Award from the National Association of Science Writers\, the Grady-Stack Award from the American Chemical Society\, and the Science Writing Award from the American Institute of Physics. And most recently the Council of Scientific Society President’s Carl Sagan Award for the Public Appreciation of Science\, the American Society of Mechanical Engineers’ Ralph Coats Roe Medal\, and the Hoover Medal\, awarded by a collection of engineering societies. He was elected to the National Academy of Engineering in 2022.
URL:https://seasevents.nmsdev7.com/event/cbe-quinn-distinguished-lecture-reclaiming-engineering-in-the-minds-of-the-public-the-unheralded-underappreciated-and-misunderstood-method-that-built-our-modern-world-bill-hammack-university/
LOCATION:Wu and Chen Auditorium (Room 101)\, Levine Hall\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar
ORGANIZER;CN="Chemical and Biomolecular Engineering":MAILTO:cbemail@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20230420T100000
DTEND;TZID=America/New_York:20230420T110000
DTSTAMP:20260404T153916
CREATED:20230406T132005Z
LAST-MODIFIED:20230406T132005Z
UID:10007543-1681984800-1681988400@seasevents.nmsdev7.com
SUMMARY:MEAM Master's Thesis Defense: "Preliminary Design of an Origami-Inspired Pulmonary Artery Band"
DESCRIPTION:Every year\, infants are born with life-threatening congenital heart defects that need to be corrected with reconstructive heart surgery. In cases where blood flow through the main pulmonary artery is excessive\, patients typically undergo palliative treatments such as pulmonary artery banding\, which aims to reduce this blood flow to a more manageable level. While traditional pulmonary artery banding has improved the survivability of infants with this affliction\, it often requires more than two open heart surgeries to be successful due to patient growth\, loosening of the band\, and other complications. To address these shortcomings\, we propose a novel\, multistable pulmonary artery band inspired by origami. In addition to being cost effective and simple to deploy\, this novel pulmonary artery band can be configured for magnetic control to reach its multiple stable states\, potentially eliminating the need for more than two open heart surgeries for pulmonary artery banding treatment. This work details the preliminary design process of this pulmonary artery band. We begin by examining the properties of its origami fold pattern and how the device is fabricated. Next\, we mechanically characterize the fold pattern and use these measurements to inform the design of magnetic infrastructure to enable magnetic untethered control. We then cover the design of a mock circulation loop developed for simulating blood flow in a patient’s body. Finally\, we assess the pulmonary artery band’s ability to constrict flow through simulated in-vivo testing with the mock circulation loop. Through this testing\, we were able to demonstrate proof of concept of the proposed device functioning as a pulmonary artery band.
URL:https://seasevents.nmsdev7.com/event/meam-masters-thesis-defense-preliminary-design-of-an-origami-inspired-pulmonary-artery-band/
LOCATION:Raisler Lounge (Room 225)\, Towne Building\, 220 South 33rd Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Master's
ORGANIZER;CN="Mechanical Engineering and Applied Mechanics":MAILTO:meam@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20230420T103000
DTEND;TZID=America/New_York:20230420T120000
DTSTAMP:20260404T153916
CREATED:20230306T172412Z
LAST-MODIFIED:20230306T172412Z
UID:10007507-1681986600-1681992000@seasevents.nmsdev7.com
SUMMARY:MSE Seminar: "Controlling Phase Separation in Elastomeric (Poly)peptides in the Production of Micro-and Nano-Structured Materials" (University of Delaware)
DESCRIPTION:Macromolecular materials that are capable of selectively and efficiently localizing cells\, factors\, and/or drugs offer important approaches for mediating biological events and in the development of hybrid materials. We have employed a combination of biosynthetic tools\, bioconjugation strategies\, and biomimetic assembly to produce thermoresponsive (poly)peptides derived from sequences of resilin\, elastin\, and collagen. These materials can be designed to control localization of biomolecules with tunable microscale mechanics\, and materials with select properties have demonstrated promise for healing vascular graft materials in vivo. In addition\, these types of materials not only show controllable micro- and nanoscale morphologies\, but also have promise for targeted drug delivery to damaged tissue in vivo.
URL:https://seasevents.nmsdev7.com/event/mse-seminar-controlling-phase-separation-in-elastomeric-polypeptides-in-the-production-of-micro-and-nano-structured-materials-university-of-delaware/
LOCATION:Wu and Chen Auditorium (Room 101)\, Levine Hall\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar
ORGANIZER;CN="Materials Science and Engineering":MAILTO:johnruss@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20230420T153000
DTEND;TZID=America/New_York:20230420T163000
DTSTAMP:20260404T153916
CREATED:20221220T152534Z
LAST-MODIFIED:20221220T152534Z
UID:10007394-1682004600-1682008200@seasevents.nmsdev7.com
SUMMARY:BE Seminar: "Opportunities and Support for the BME Research Community from NSF" (Laurel Kuxhaus\, NSF)
DESCRIPTION:This seminar will be held in person in Glandt Forum; snacks will be served. \n“Opportunities and Support for the BME Research Community from NSF” \nThe National Science Foundation (NSF) supports work in all fields of science and engineering\, including biomedical engineering.  That said\, biomedical engineering researchers can face challenges in finding the right ‘home’ and scope for their work at NSF.  This presentation will provide a broad overview of the mission of NSF and how it relates to the biomedical engineering community\, including emerging initiatives and responses to the current disruption of the research enterprise.  Descriptions of select programs at the National Science Foundation that fund work relevant to the biomedical engineering community will be covered.  Best practices in proposal preparation and practical tips to optimize interaction with your program director will also be discussed.  Bring your questions along!
URL:https://seasevents.nmsdev7.com/event/be-seminar-laurel-kuxhaus-clarkson-university/
LOCATION:Glandt Forum\, Singh Center for Nanotechnology\, 3205 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar
ORGANIZER;CN="Bioengineering":MAILTO:be@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20230421T100000
DTEND;TZID=America/New_York:20230421T110000
DTSTAMP:20260404T153916
CREATED:20230406T140250Z
LAST-MODIFIED:20230406T140250Z
UID:10007544-1682071200-1682074800@seasevents.nmsdev7.com
SUMMARY:MEAM Seminar: "Design\, Characterization\, and Fabrication of Low-Cost\, Passive\, and Biodegradable Sensors for Precision Agriculture"
DESCRIPTION:With the global population projected to reach 9.1 billion people by 2050 there is a need to develop highly efficient agricultural systems that can reliably maximize crop yield. Precision Agriculture (PA) systems enabled by the Internet of Things (IoT) offer a potential solution through improvements in labor\, resource\, and time efficiency to improve agricultural output. PA systems enable this by providing a detailed understanding of the state of the field (e.g.\, soil moisture\, pH\, temperature\, etc.) so that these resources can be properly deployed spatially and temporally. To realize these systems\, sensors that give information about the state of the field are required. However\, for the technology to be scalable and practically implemented\, these sensors must balance performance and cost. These requirements limit the materials and methods that can be used to develop the technology\, including many that are common in modern sensor development. Additionally\, the challenge of biocompatibility and biodegradability must be addressed.In this talk\, a passive RF sensing system is presented for the detection of soil moisture. This sensing system is developed on a fully biodegradable cellulose nanofibril (CNF) based composite substrate that can used for the rapid fabrication of high fidelity electrical structures via screen printing. The surface\, electrical\, and diffusion properties of the substrate are characterized. By utilizing screen printing\, capacitive structures are fabricated that can detect moisture content over a wide range of humidity and soil moisture conditions.
URL:https://seasevents.nmsdev7.com/event/meam-seminar-design-characterization-and-fabrication-of-low-cost-passive-and-biodegradable-sensors-for-precision-agriculture/
LOCATION:Moore 212
CATEGORIES:Seminar
ORGANIZER;CN="Mechanical Engineering and Applied Mechanics":MAILTO:meam@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20230421T103000
DTEND;TZID=America/New_York:20230421T114500
DTSTAMP:20260404T153916
CREATED:20230124T162049Z
LAST-MODIFIED:20230124T162049Z
UID:10007444-1682073000-1682077500@seasevents.nmsdev7.com
SUMMARY:Spring 2023 GRASP on Robotics: Vivienne Sze\, MIT\, "Efficient Computing for Autonomy and Navigation"
DESCRIPTION:This is a hybrid event with in-person attendance in Wu and Chen and virtual attendance via Zoom. This week’s presenter will be virtual.  \n  \nABSTRACT\nA broad range of next-generation applications will be enabled by low-energy autonomous vehicles including insect-size flapping wing robots that can help with search and rescue\, chip-size satellites that can explore nearby stars\, and blimps that can stay in the air for years to provide communication services in remote locations. Autonomy capabilities for these vehicles will be unlocked by building their computers from the ground up\, and by co-designing the algorithms and hardware for autonomy and navigation. In this talk\, I will present various methods\, algorithms\, and computing hardware that deliver significant improvements in energy consumption and processing speed for tasks such as visual-inertial navigation\, depth estimation\, motion planning\, mutual-information-based exploration\, and deep neural networks for robot perception. We will also discuss the importance of efficient computing to reduce carbon emissions for sustainable large-scale deployment of autonomous vehicles. \nMuch of the work presented in this talk was developed in the Low-Energy Autonomy and Navigation (LEAN) interdisciplinary group at MIT (http://lean.mit.edu)\, which is co-directed by Vivienne Sze and Sertac Karaman.
URL:https://seasevents.nmsdev7.com/event/spring-2023-grasp-on-robotics-vivienne-sze/
LOCATION:Wu and Chen Auditorium (Room 101)\, Levine Hall\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar
ORGANIZER;CN="General Robotics%2C Automation%2C Sensing and Perception (GRASP) Lab":MAILTO:grasplab@seas.upenn.edu
END:VEVENT
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