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ESE Ph.D. Thesis Defense: “Lattice Theory in Multi-Agent Systems”

Moore 317 200 S 33rd Street, Philadelphia, PA, United States

Ordered sets model signals such as binary relations, concepts, partitions, rankings, matchings, events, as well as other taxa of information, temporal, hierarchical, relational, or, in general, logical in nature. We argue that (order-) lattice-based (networked) multi-agent systems constitute a broad class of systems in which data fusion, consensus, synchronization, and other collaborative tasks are described […]

MEAM Ph.D. Thesis Defense: “Room-temperature Electrochemical Healing of Structural Metals”

Greenberg Lounge (Room 114), Skirkanich Hall 210 South 33rd Street, Philadelphia, PA, United States

For over 6,000 years, repairing high-strength metallic materials has required high temperatures and large energy inputs. Likewise, recent innovations in self-healing and repairable metals have remained limited by the need for heating, the small size of repairable cracks, and the low strength and constrained chemical composition of healed metals. While welding remains the most widely […]

ESE Ph.D. Thesis Defense: “Design of Low-power CMOS Integrated Systems: from Biomedical Applications to Optical Links”

Levine 512

Electronic and photonic microsystems realized in the form of integrated circuits (IC) has been revolutionizing numerous fields that traditionally exploit bulky implementations. The advantages stemming from device miniaturization have opened up wide and growing opportunities to design for unprecedented functionality and enhanced performance. Leveraging novel CMOS and silicon photonic IC designs, this thesis presents four […]

ESE Ph.D. Thesis Defense: “Resilient, Information Theoretic, Active Exploration for Multi-Robot Teams”

Room 313, Singh Center for Nanotechnology 3205 Walnut Street, Philadelphia, PA, United States

Over the past decades we have seen robots move from constrained and heavily designed industrial environments out into the world. Along with this shift there is a need for smaller, safer, and less expensive robots which can complete tasks autonomously in teams, sometimes covering large areas. Multi-robot teams can expand the capabilities of a single […]

BE Doctoral Dissertation Defense: “Multibreath Hyperpolarized Gas Imaging of Lung Ventilation and Gas Exchange in Humans for Diagnosis and Treatment Response Monitoring” (Hooman Hamedani)

Donner-Grice Auditorium

The Department of Bioengineering at the University of Pennsylvania and Dr. Rahim Rizi are pleased to announce the Doctoral Dissertation Defense of Hooman Hamedani. Title: Multibreath Hyperpolarized Gas Imaging of Lung Ventilation and Gas Exchange in Humans for Diagnosis and Treatment Response Monitoring Date: November 11th, 2022 Time: 1:00 PM-3:00 PM Location: Donner - Grice Auditorium, 2 Dulles […]

ESE Ph.D. Thesis Defense: “Analysis and Control of Neural Network Dynamical Systems”

Raisler Lounge (Room 225), Towne Building 220 South 33rd Street, Philadelphia, PA, United States

Integrating machine learning and control systems has achieved remarkable success in controlling complex dynamical systems such as autonomous vehicles. However, the resulting controlled system often has a neural network (NN) in the loop which represents the system dynamics, control policy, or perception. The nonlinearity and large scale of NNs make it challenging to provide formal […]

MEAM Ph.D. Thesis Defense: “Enabling Ultra-Low Viscosity Lubricants Through Fundamental Understanding of ZDDPs Anti-Wear Additives and their Tribofilm Growth Mechanisms: An In-Situ Study”

Glandt Forum, Singh Center for Nanotechnology 3205 Walnut Street, Philadelphia, PA, United States

Lubricants with low viscosity have the potential to improve fuel efficiency in engines due to friction reduction. However, a reduction in viscosity increases the likelihood of wear. Zinc dialkyldithiophosphate (ZDDP), the most widely used antiwear additive in engine oils, has been extensively studied over the last few decades. ZDDP forms surface-bound tribofilms at sliding contacts […]

ESE Ph.D. Thesis Defense – “Learning and Control of Network Phenomena”

Room 401B, 3401 Walnut 3401 Walnut Street, Philadelphia, PA, United States

The intersection of dynamical systems and networks are used to model a huge variety of phenomena such as the spread of disease, multi-agent systems, opinions in social networks, and more. Many properties of these network phenomena can be understood by examining the eigenvalue spectrum of a matrix representation of the underlying graph. Using this intuition, […]

ESE Ph.D. Thesis Defense – “Accelerating HLS Autotuning of Large, Highly-Parameterized Reconfigurable SoC Mappings”

Room 35, Singh Center for Nanotechnology 3205 Walnut Street, Philadelphia, PA, United States

High-level synthesis has accelerated the adoption of autotuners to explore design spaces. Design-space size increases exponentially in the number of design parameters, and synthesizing a single configuration for a device-scale application easily consumes hours, so existing autotuners are frequently demonstrated with small kernels and few configurations to render the problem tractable. This dissertation shows that […]