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DTSTART;TZID=America/New_York:20191028T110000
DTEND;TZID=America/New_York:20191028T123000
DTSTAMP:20260408T093421
CREATED:20191016T144200Z
LAST-MODIFIED:20191016T144200Z
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SUMMARY:ESE Doctoral Dissertation Defense: "IMU-Based State Estimation and Control of Quadrotors Leveraging Aerodynamic Effects"
DESCRIPTION:Abstract: Quadrotors and multirotors in general are common in many inspection and surveillance applications. For these applications\, visual-inertial odometry is a common way to localize the vehicles and observe the environment. However\, unlike with wheeled mobile robots\, quadrotor localization algorithms often do not use knowledge of the control inputs and the full vehicle dynamics as a process model for localization. Rather\, they use kinematic models\, with the IMU providing acceleration and angular velocity. One of the reasons for avoiding the use of dynamics is that\, until recently quadrotor aerodynamic effects have not been considered in the literature and hence the dynamic models for quadrotors have been less accurate than those for wheeled mobile robots. The main aerodynamic terms that are significant are first-order effects that are linear in velocity and angular velocity. They are predominantly caused by aerodynamic interaction with the spinning propellers. This work investigates the models for such effects\, as well as what can be gained if such aerodynamic effects are incorporated into the dynamic model and the full dynamics are used for state estimation. We develop novel IMU-based filters\, the end results of which are used to estimate the wind velocity of the quadrotor or\, indoors\, when the ambient wind is zero\, the velocity of the quadrotor. In addition\, these filters estimate the many aerodynamic parameters in the model online. They may also be used to estimate sensor biases and inertial parameters. We demonstrate the effectiveness of these filters through experiments. We also present nonlinear observability analyses that theoretically determine the observability properties of the systems. \nCommittee Members:\nVijay Kumar\, Nemirovsky Family Dean of Engineering\nAni Hsieh\, Research Associate Professor\, MEAM\nKostas Daniliidis\, Ruth Yalom Stone Professor\, CIS\nCamillo J. Taylor\, Professor\, CIS\nGiuseppe Loianno\, Associate Professor\, NYU ECE
URL:https://seasevents.nmsdev7.com/event/ese-doctoral-dissertation-defense-imu-based-state-estimation-and-control-of-quadrotors-leveraging-aerodynamic-effects/
LOCATION:Room 307\, Levine Hall\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20191028T120000
DTEND;TZID=America/New_York:20191028T130000
DTSTAMP:20260408T093421
CREATED:20190919T183655Z
LAST-MODIFIED:20190919T183655Z
UID:10006293-1572264000-1572267600@seasevents.nmsdev7.com
SUMMARY:PSOC Seminar : "Single-Cell Analysis of Differentiation and Drug Response in Glioblastoma"
DESCRIPTION:
URL:https://seasevents.nmsdev7.com/event/psoc-seminar-single-cell-analysis-of-differentiation-and-drug-response-in-glioblastoma/
LOCATION:Room 337\, Towne Building\, 220 South 33rd Street\, Philadelphia\, PA\, 19104\, United States
ORGANIZER;CN="PSOC":MAILTO:manu@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20191029T103000
DTEND;TZID=America/New_York:20191029T120000
DTSTAMP:20260408T093421
CREATED:20191003T183053Z
LAST-MODIFIED:20191003T183053Z
UID:10006309-1572345000-1572350400@seasevents.nmsdev7.com
SUMMARY:MEAM Seminar: "The Simulation and Modeling of Turbulent Flows"
DESCRIPTION:Our group at the University of Minnesota focuses on fundamental advances in numerical algorithms\, and understanding of flow physics that allow the prediction of engineering turbulent flows. This presentation will discuss key aspects of such simulation alongside illustrative examples. We will discuss a recently developed unstructured overset grid methodology and its application to particle-resolved DNS of several thousands of particles in turbulent flow. We will discuss global stability and adjoint analyses for three-dimensional complex baseflows\, and illustrate its application to jets in crossflow. Finally we will present an integral analysis for axisymmetric boundary boundary layers in the presence of pressure gradients\, and illustrate its application to interpret LES results.
URL:https://seasevents.nmsdev7.com/event/meam-seminar-the-simulation-and-modeling-of-turbulent-flows/
LOCATION:Wu and Chen Auditorium (Room 101)\, Levine Hall\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
ORGANIZER;CN="Mechanical Engineering and Applied Mechanics":MAILTO:meam@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20191029T110000
DTEND;TZID=America/New_York:20191029T120000
DTSTAMP:20260408T093421
CREATED:20190806T152451Z
LAST-MODIFIED:20190806T152451Z
UID:10006260-1572346800-1572350400@seasevents.nmsdev7.com
SUMMARY:ESE Seminar: "Solid-State Spin-Photon Interfaces: Old Friends & New"
DESCRIPTION:Abstract : Optically active spins in solids offer exciting opportunities as scalable and feasible quantum-optical devices. Numerous material platforms including diamond\, semiconductors\, and atomically thin 2d materials are under investigation\, where each platform brings some advantages of control and feasibility along with other challenges. The inherently mesoscopic nature of solid-state platforms leads to a multitude of dynamics between spins\, charges\, vibrations and light. Implementing a high level of control on these constituents and their interactions with each other creates exciting opportunities for realizing stationary and flying qubits within the context of spin-based quantum information science\, as well as investigating mesoscopic quantum systems. Quantum optics\, developed originally for atomic systems\, provides a very valuable toolbox for this endeavour. In this talk\, I will provide a snapshot of the progress and challenges for two contrasting examples for spin-photon interfaces\, namely semiconductor quantum dots and confined excitons in atomically thin materials. For the former\, I will focus on a method to suppress the magnetic noise of the nuclear ensemble by an effective cooling mechanism. This method yields access to the nuclear sideband resolved regime and coherent coupling between a single electron spin and the nuclear ensemble. For the latter\, I will discuss ways to deterministically trap long-lasting confined excitons acting as artificial atoms\, as well as their integration into opto-electronic devices.
URL:https://seasevents.nmsdev7.com/event/ese-seminar-mete-atatur/
LOCATION:PICS Conference Room 534 – A Wing \, 5th Floor\, 3401 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar
ORGANIZER;CN="Electrical and Systems Engineering":MAILTO:eseevents@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20191030T110000
DTEND;TZID=America/New_York:20191030T120000
DTSTAMP:20260408T093421
CREATED:20190916T161056Z
LAST-MODIFIED:20190916T161056Z
UID:10006279-1572433200-1572436800@seasevents.nmsdev7.com
SUMMARY:Sigma Aldrich Lecture: "Epitaxy by Design: Epitaxial Growth of Dissimilar Materials"
DESCRIPTION:Abstract:   The ability to integrate dissimilar materials with different crystal structures and properties enables heterostructures to be developed with new functionality well beyond the normal band gap engineering offered by semiconductor heterostructures. The combination of metals\, semiconductors\, insulators\, magnetic\, piezoelectric\, structural and phase change materials offers the potential for nearly limitless control of device properties. Heusler compounds\, for example\, are of great interest due to their multifunctional properties including metallic\, ferromagnetic\, half metallic\, semiconducting and potentially topological properties. Heterostructures of ferromagnetic materials with insulators and semiconductors have revolutionized spintronic devices. \nSemiconductors are an ideal choice for substrates for dissimilar materials epitaxial growth because of their wide range of lattice parameters\, high quality\, readily controlled electrical and optical properties and the availability of large area substrates at a reasonable cost. The control of strain and lattice matching\, interfacial bonding and reactions is important for the growth and properties of dissimilar materials heterostructures. \nIn this presentation\, results for the molecular beam epitaxial growth of metallic compound/III-V semiconductor heterostructures with designer properties will be discussed. High efficiency electrical spin injection and detection in magnetic Heusler/GaAs contacts\, tuning of the spin polarization\, as well as the ability to tune the electronic and magnetic properties of Heusler compounds through alloying will be presented. The focus of the presentation will be on understanding the growth and properties of dissimilar materials with emphasis on Heusler compound/III-V compound semiconductor heterostructures. These studies have aimed at tailoring of interfacial and material properties of these dissimilar materials heterostructures for targeting novel applications including spintronics and topological quantum computing.
URL:https://seasevents.nmsdev7.com/event/sigma-aldrich-lecture-epitaxy-by-design-epitaxial-growth-of-dissimilar-materials/
LOCATION:Glandt Forum\, Singh Center for Nanotechnology\, 3205 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Distinguished Lecture
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20191030T150000
DTEND;TZID=America/New_York:20191030T160000
DTSTAMP:20260408T093421
CREATED:20190729T191906Z
LAST-MODIFIED:20190729T191906Z
UID:10006250-1572447600-1572451200@seasevents.nmsdev7.com
SUMMARY:CBE Seminar: "Chemical Reactor Scale-Up: Principles and Practice at Dow”
DESCRIPTION:Abstract: \nSince Dow first formed a global reaction engineering discipline over twenty years ago\, we have accumulated much experience leading and supporting a diversity of reaction engineering projects for our corporation. This presentation will provide specific examples of real-world reaction engineering problems at Dow in the past 27 years and summarize our perspective regarding the key tools and methods of the well-equipped industrial reaction engineering laboratory. Several brief anecdotal descriptions of past process development and reactor scale-up projects will highlight important lessons learned on this journey. In addition\, this talk will demonstrate the role of reaction engineering fundamentals and methodologies in shaping projects\, enabling decisions\, and empowering teams to succeed. Over the years\, we have used a wide array of laboratory hardware and computer software tools. In some cases\, we have developed our own tools; in other cases\, we have chosen to use commercially available offerings to meet our experimental and computational needs. This presentation will highlight the reaction engineering tools and best practices that have stood the test of time and close with a brief list of some of the capability gaps that remain.
URL:https://seasevents.nmsdev7.com/event/cbe-chemical-reactor-scale-up-principles-and-practice-at-dow/
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:20191031T104500
DTEND;TZID=America/New_York:20191031T114500
DTSTAMP:20260408T093421
CREATED:20191015T184523Z
LAST-MODIFIED:20191015T184523Z
UID:10006317-1572518700-1572522300@seasevents.nmsdev7.com
SUMMARY:MSE Seminar: "Managing Intercultural Interactions in a Challenging Global Higher Education Landscape"
DESCRIPTION:The rapidly diversifying face of colleges and universities in the United States including the University of Pennsylvania require that we are able to manage intercultural relationships from different backgrounds. We are all working in a multicultural institution\, with students\, faculty and staff from all over the world. This makes for a very diverse\, vibrant community – and at times\, a rather confusing one. This session will promote intercultural competence\, cultural humility and heighten cross-cultural awareness. You will engage in a presentation and discussion about culture\, values\, perceptions\, and communication styles and cultural patterns of thought and behavior that will help you understand the basic concepts\, theories and issues of intercultural communication related to intercultural relationships and how these concepts apply to your personal and professional lives.
URL:https://seasevents.nmsdev7.com/event/mse-seminar-managing-intercultural-interactions-in-a-challenging-global-higher-education-landscape/
LOCATION:Auditorium\, LRSM Building\, 3231 Walnut Street\, Philadelphia\, PA\, 19104\, United States
ORGANIZER;CN="Materials Science and Engineering":MAILTO:johnruss@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20191031T140000
DTEND;TZID=America/New_York:20191031T150000
DTSTAMP:20260408T093421
CREATED:20191017T133137Z
LAST-MODIFIED:20191017T133137Z
UID:10006320-1572530400-1572534000@seasevents.nmsdev7.com
SUMMARY:MEAM Special Seminar: "Smartphone-based Mobile Detection Platform for Molecular Diagnostics: from Infectious Diseases to Cancer"
DESCRIPTION:Rapid\, quantitative molecular diagnostics in the field\, at home\, and in resource poor settings is needed for evidence-based disease management\, control\, and prevention. Conventional molecular diagnostics requires extensive sample preparation\, sophisticated instruments\, and trained personnel\, restricting their use to centralized laboratories. To overcome the limitations of laboratory-based procedures\, we designed a simple\, inexpensive\, hand-held\, smartphone-based mobile detection platform “smart-connected cup”\, for rapid\, connected\, and quantitative detection of pathogens’ nucleic acids. More recently\, we have been expanding our technology platform to include detection of rare cancer biomarkers in body fluids for cancer screening and individualized therapy. To overcome the challenge of identifying very low concentrations of mutant alleles within a large background of very similar wild type nucleic acids\, we are using programmable enzymes to cleave wild type alleles and improve signal to noise ratio. We anticipate that our methods will improve quality of health care in regions lacking sophisticated laboratories and enable patients to assume greater responsibility for their care.
URL:https://seasevents.nmsdev7.com/event/meam-special-seminar-smartphone-based-mobile-detection-platform-for-molecular-diagnostics-from-infectious-diseases-to-cancer/
LOCATION:Towne 227 (MEAM Conference Room)\, 220 S. 33rd Street\, Philadelphia\, PA\, 19104\, United States
ORGANIZER;CN="Mechanical Engineering and Applied Mechanics":MAILTO:meam@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20191101T140000
DTEND;TZID=America/New_York:20191101T150000
DTSTAMP:20260408T093421
CREATED:20190909T184651Z
LAST-MODIFIED:20190909T184651Z
UID:10006282-1572616800-1572620400@seasevents.nmsdev7.com
SUMMARY:PICS Seminar: "High-order Spectral Difference Method for Studying Marine Hydrodynamics and Thermal Convection and Magneto-hydrodynamics for the Sun"
DESCRIPTION:Abstract\nTwo recent advancements of high-order spectral difference (SD) method for computational fluid dynamics on unstructured meshes will be presented. The first progress is our contribution to a new curved sliding-mesh approach to the SD method for simulating flapping and rotary wing aerodynamics.  The second elevation of the SD method is our recent successful design of a massively parallel code\, namely CHORUS\, for predicting thermal convection in the Sun.  Recently\, we have also built a simulation capability for predicting magnetohydrodynamics of the Sun.
URL:https://seasevents.nmsdev7.com/event/pics-seminar-high-order-spectral-difference-method-for-studying-marine-hydrodynamics-and-thermal-convection-and-magneto-hydrodynamics-for-the-sun/
LOCATION:PICS Conference Room 534 – A Wing \, 5th Floor\, 3401 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Colloquium
ORGANIZER;CN="Penn Institute for Computational Science (PICS)":MAILTO:dkparks@seas.upenn.edu
END:VEVENT
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