- Thesis Defense: Optimizatio...
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Thesis Defense: Optimization for Control and Planning of Multi-contact Dynamic Motion
Speaker:
Michael Posa
, Robot Locomotion Group, CSAIL
Date: Tuesday, May 09, 2017
Time: 10:00 AM to 11:00 AM Note: all times are in the Eastern Time Zone
Refreshments: 9:45 AM
Public: Yes
Location: 32-G449 (Kiva)
Event Type:
Room Description:
Host: Russ Tedrake, Robot Locomotion Group, CSAIL
Contact: Michael Posa, mposa@csail.mit.edu
Speaker URL: None
Speaker Photo:
None
Reminders to:
seminars@csail.mit.edu, RoboticsCenterAll@lists.csail.mit.edu
Reminder Subject:
TALK: Thesis Defense: Optimization for Control and Planning of Multi-contact Dynamic Motion
Whether a robot is assisting a person to move about the home, or packing containers in a warehouse, the fundamental promise of robotics centers on the ability to productively interact with a complex and changing environment in a safe and controlled fashion. However, current robots are largely limited to basic tasks in structured environments--operating slowly and cautiously, afraid of any incidental contact with the outside world. Dynamic interaction, encompassing both legged locomotion and manipulation, poses significant challenges to traditional control and planning techniques. Discontinuities from impact events and dry friction make standard tools poorly suited in scenarios with complex or uncertain contacts between robot and environment. I will present approaches that leverage the interplay between numerical optimization and the mathematical structure of contact dynamics to avoid the combinatorial complexity of mode enumeration. This will include a tractable algorithm for trajectory optimization, without an a priori encoding of the contact sequence, and an approach utilizing sums-of-squares programming to design and provably verify controllers that stabilize systems making and breaking contact.
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Created by Michael Posa at Thursday, May 04, 2017 at 11:01 AM.