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SUMMARY:Fall 2024 GRASP SFI: Jonathan Michaux\, University of Michigan\, “Spheres Are All You Need: Risk-Aware Trajectory Planning in Radiance Fields”
DESCRIPTION:This will be a hybrid event with in-person attendance in Levine 307 and virtual attendance on Zoom. \nABSTRACT\nSafe and efficient motion planning is crucial for robots operating in dynamic and unstructured environments. To accomplish this\, one must address key challenges. First\, robots must understand the scene geometry to prevent collisions that could harm humans or damage any nearby objects. Second\, motion plans must be generated in real-time to ensure that the robot can adapt to sudden changes in its environment. This talk presents a novel approach to trajectory optimization that leverages reachability analysis and 3D Gaussian Splatting for real-time planning in radiance fields. This talk first describes a novel spherical representation that overapproximates a robot’s parameterized reachable set. Next\, a method is derived that rigorously upper-bounds the probability of collision between the robot’s reachable set and a normalized Gaussian Splatting model. Finally\, this probability bound is formulated as a chance constraint in a nonlinear optimization problem. This approach\, which generates probabilistically-safe behaviors in real-time\, is demonstrated in simulation and on a real-world serial robot manipulator.
URL:https://seasevents.nmsdev7.com/event/fall-2024-grasp-sfi-jonathan-michaux/
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
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