For a robotics focus, ICRA and IROS are the big ones. IMHO ICRA is a bit bigger and better than IROS but it's close. Robotics: Science and Systems (RSS) is sma

For a robotics focus, ICRA and IROS are the big ones. IMHO ICRA is a bit bigger and better than IROS but it's close. Robotics: Science and Systems (RSS) is smaller but its paper acceptance is much more selective and it is becoming a very prestigious conference. It's also single-track, which makes it nice as an attendee (ICRA and IROS run probably eight to ten parallel tracks).