Seminar
Calendar of Events
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MEAM Seminar: “Mechanics- Informed Optimization for Enhanced Adhesion and Toughness”
MEAM Seminar: “Mechanics- Informed Optimization for Enhanced Adhesion and Toughness”
Structural design optimization has long played a crucial role in engineering, often with the goal of creating stiff and lightweight structures for aerospace and other applications. However, optimizing structures against failure is also crucial and has been much less well explored. Failure via fracture and at interfaces is particularly challenging in design optimization as they […]
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MEAM Seminar: “Wall-modeled Large-eddy Simulation of Non-Equilibrium Turbulent Boundary Layers”
MEAM Seminar: “Wall-modeled Large-eddy Simulation of Non-Equilibrium Turbulent Boundary Layers”
Accurate prediction of high-Reynolds-number turbulent flows is essential for the understanding and flow control of many engineering applications such as aircraft, turbomachinery, and marine vehicles. Additionally, most practical flows exhibit nonequilibrium effects such as pressure gradients and flow separation. However, the direct numerical simulation (DNS) of high-Reynolds-number wall-bounded turbulent flows is not feasible owing to […]
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Summer 2023 GRASP Seminar: Claire Tomlin, University of California at Berkeley, “Safe Learning in Control”
Summer 2023 GRASP Seminar: Claire Tomlin, University of California at Berkeley, “Safe Learning in Control”
This is a hybrid event with in-person attendance in Wu and Chen and virtual attendance on Zoom. ABSTRACT In many applications of autonomy in robotics, guarantees that constraints are satisfied throughout the learning process are paramount. We present a controller synthesis technique based on the computation of reachable sets, using optimal control and game […]
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MEAM Seminar: “Hierarchical Methods for Geometric Control of Underactuated, Free-Flying Robotic Systems”
MEAM Seminar: “Hierarchical Methods for Geometric Control of Underactuated, Free-Flying Robotic Systems”
Free-flying robotic systems (such as multibody aerial and space vehicles) evolve on high-dimensional non-Euclidean manifolds subject to nonlinear, underactuated dynamics. Because such systems can rely only on the severely limited computational resources available onboard, the design of general-purpose controllers capable of dynamic and reliable real-time performance remains a formidable challenge. To mitigate these obstacles and […]
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Nano Seminar: “Conductive Nitrides for Plasmonics in the Visible Region: Properties and Applications”
Nano Seminar: “Conductive Nitrides for Plasmonics in the Visible Region: Properties and Applications”
Plasmonic nanostructure based on silver and gold that produces LSPR to withstand ultrahigh temperatures without damage remains a great challenge for future ultra-compact integrated circuits, and high-power enabled photonic devices. In principle, the shapes of plasmonic nanostructures containing noble metals would change after the heat treatment that altered the plasmonic resonance. Thus, discovering refractory plasmonic […]
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MEAM Seminar: “Photophoretic Levitating Structures Enabling Mesospheric and Martian Exploration”
MEAM Seminar: “Photophoretic Levitating Structures Enabling Mesospheric and Martian Exploration”
Studying certain regions of the atmosphere is hindered by available propulsion technologies. For example, the mesosphere, ranging from about 50 to 80 km in altitude, has air too thin for aerodynamic and buoyant flight but air too dense for satellites and orbital flight due to drag. The Martian atmosphere is another region where no flight […]
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MEAM Seminar: “Vibrating Beam MEMS Accelerometers for Gravity and Seismic Measurements”
MEAM Seminar: “Vibrating Beam MEMS Accelerometers for Gravity and Seismic Measurements”
Advances in microelectromechanical systems (MEMS) have enabled the widespread development of sensors for a variety of consumer, automotive, and wearable healthcare electronics applications. However, there is increasing interest in the development of highly accurate MEMS inertial sensors for a variety of emerging applications, for e.g., navigation systems for pedestrians and autonomous vehicles, and seismic and […]