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Brian Cera

4 accepted papers

2023

MotionLM: Multi-Agent Motion Forecasting as Language Modeling

ICCV 2023poster

Reliable forecasting of the future behavior of road agents is a critical component to safe planning in autonomous vehicles. Here, we represent continuous trajectories as sequences of discrete motion tokens and cast multi-agent motion prediction as a language modeling task over this domain. Our model…

Cited by 104PDFScholar
2018

Multi-Cable Rolling Locomotion with Spherical Tensegrities Using Model Predictive Control and Deep Learning

IROS 2018poster

This work presents a model-based approach for creating robust control policies for rolling locomotion with a spherical tensegrity topology. Utilizing the structured dynamics of Class-1 tensegrity systems, we turn to model predictive control (MPC) to generate optimal multi-cable actuation trajectorie…

Cited by 32SourceScholar
2017

Inclined surface locomotion strategies for spherical tensegrity robots

IROS 2017poster

This paper presents a new teleoperated spherical tensegrity robot capable of performing locomotion on steep inclined surfaces. With a novel control scheme centered around the simultaneous actuation of multiple cables, the robot demonstrates robust climbing on inclined surfaces in hardware experiment…

Cited by 47SourceScholar
2016

Hopping and rolling locomotion with spherical tensegrity robots

IROS 2016poster

This work presents a 10 kg tensegrity ball probe that can quickly and precisely deliver a 1 kg payload over a 1 km distance on the Moon by combining cable-driven rolling and thruster-based hopping. Previous research has shown that cable-driven rolling is effective for precise positioning, even in ro…

Cited by 80SourceScholar