cs 287: advanced robotics fall 2012 - eecs at uc …pabbeel/cs287-fa12/...darpa grand challenge:...
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CS 287: Advanced Robotics Fall 2012
Lecture 1: Introduction
Pieter Abbeel
UC Berkeley EECS
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n http://www.cs.berkeley.edu/~pabbeel/cs287-fa12
n [Step through webpage]
www
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n Questions?
n A few robotic success stories …
and connections with materials covered in the course
Remainder of Lecture Outline
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n Darpa Grand Challenge: First long-distance driverless car competition
n 2004: CMU vehicle drove 7.36 out of 150 miles
n 2005: 5 teams finished, Stanford team won nova-race
n Darpa Urban Challenge (2007)
n Urban environment: other vehicles present
n 6 teams finished (CMU won) urban challenge
n Google Autonomous Cars (2010)
n Mountain View -> Santa Monica; >140,000 miles; Lombard, Golden Gate, Tahoe, Pacific Coast Highway
n Ernst Dickmanns / Mercedes Benz: autonomous car on European highways
n Human in car for interventions
n Paris highway and 1758km trip Munich -> Odense, lane changes at up to 140km/h; longest autonomous stretch: 158km (1995)
n Maneuvers: parking,
Driverless Cars
Kalman filtering, LQR, mapping, terrain & object recognition
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Autonomous Helicopter Flight [Coates, Abbeel & Ng]
Kalman filtering, model-predictive control, LQR, system ID, trajectory learning
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Four-legged locomotion
value iteration, receding horizon control, motion planning, inverse reinforcement learning, nolearning, learned
[Kolter, Abbeel & Ng]
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Two-legged locomotion [Tedrake +al.]
Policy gradient
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Mapping
“baseline” : Raw odometry data + laser range finder scans
[Video from W. Burgard and D. Haehnel]
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Mapping
FastSLAM: particle filter + occupancy grid mapping
[Video from W. Burgard and D. Haehnel]
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Mobile Manipulation
SLAM, localization, motion planning for navigation and grasping, grasp point selection, visual category recognition (speech recognition and synthesis)
[Quigley, Gould, Saxena, Ng + al.]
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Mobile Manipulation [Maitin-Shepard, Cusumano-Towner, Lei, Abbeel, 2010]
localization, motion planning for navigation and grasping, grasp point selection, visual recognition
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n Robotic hardware is getting in great shape, expertise in algorithms+math+programming are limiting factors
n So many different robotic systems, yet a few core techniques are (near-)sufficient to rule them all
n Probabilistic Reasoning
n Optimization
n Applicability of these techniques extends well beyond robotics
Why a Great Time to Study CS287 Advanced Robotics?
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n Starting optimal control on Tuesday
n Check out the webpage!
n Sign up on piazza!
n Come talk to me now about any lingering questions you might have
That’s it for today