Passive Dynamics in Motion Design

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Passive dynamics theory suggests that mechanical systems can achieve motion without computer or actuator support, as demonstrated by Tad McGear's legged system that could walk down an inclined plane through mechanical actions with the help of dampers and springs. This concept emphasizes the body's active participation in motion rather than being solely directed by the brain, highlighting the efficiency of movement in robots even without a cognitive component.

Marc Raibert is founder and former long-time CEO of Boston Dynamics, and recently Executive Director of the newly-created Boston Dynamics AI Institute. Please support this podcast by checking out our sponsors:
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Transcript: https://lexfridman.com/marc-raibert-transcript

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OUTLINE:
Here’s the timestamps for the episode. On some podcast players you should be able to click the timestamp to jump to that time.
(00:00) – Introduction
(10:12) – Early robots
(15:15) – Legged robots
(33:55) – Boston Dynamics
(37:13) – BigDog
(45:20) – Hydraulic actuation
(47:12) – Natural movement
(52:59) – Leg Lab
(59:51) – AI Institute
(1:03:09) – Athletic intelligence
(1:11:04) – Building a team
(1:14:05) – Videos
(1:21:53) – Engineering
(1:25:21) – Dancing robots
(1:30:08) – Hiring
(1:34:00) – Optimus robot
(1:42:30) – Future of robotics
(1:47:24) – Advice for young people