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Paul Glotfelter

6 accepted papers

2025

Safe Reinforcement Learning Using Robust Control Barrier Functions

RA-L 2025

Reinforcement Learning (RL) has been shown to be effective in many scenarios. However, it typically requires the exploration of a sufficiently large number of state-action pairs, some of which may be unsafe. Consequently, its application to safety-critical systems remains a challenge. An increasingl

Cited by 85SourcecodeScholar
2021

Data-Driven Adaptive Task Allocation for Heterogeneous Multi-Robot Teams Using Robust Control Barrier Functions

ICRA 2021poster

Multi-robot task allocation is a ubiquitous problem in robotics due to its applicability in a variety of scenarios. Adaptive task-allocation algorithms account for unknown disturbances and unpredicted phenomena in the environment where robots are deployed to execute tasks. However, this adaptivity t…

Cited by 15SourceScholar
2021

The Robotarium: Automation of a Remotely Accessible, Multi-Robot Testbed

RA-L 2021

The cost, in terms of both time and money, of instantiating a physical testbed can be prohibitive. To help resolve this issue, the Robotarium offers a free, remotely accessible robotics lab to users around the world. Since allowing the general public to use it, hundreds of users have submitted thous

Cited by 19SourceScholar
2019

Hybrid Nonsmooth Barrier Functions With Applications to Provably Safe and Composable Collision Avoidance for Robotic Systems

RA-L 2019

Robots are entering an age of ubiquity, and to operate effectively, these systems must typically satisfy a series of constraints (e.g., collision avoidance, obeying speed limits, maintaining connectivity). In addition, modern applications hinge on the completion of particular tasks, such as driving

Cited by 90SourceScholar
2018

A Parametric MPC Approach to Balancing the Cost of Abstraction for Differential-Drive Mobile Robots

ICRA 2018poster

When designing control strategies for differential-drive mobile robots, one standard tool is the consideration of a point at a fixed distance along a line orthogonal to the wheel axis instead of the full pose of the vehicle. This abstraction supports replacing the non-holonomic, three-state unicycle…

Cited by 8SourceScholar
2017

The Robotarium: A remotely accessible swarm robotics research testbed

ICRA 2017poster

This paper describes the Robotarium - a remotely accessible, multi-robot research facility. The impetus behind the Robotarium is that multi-robot testbeds constitute an integral and essential part of the multi-robot research cycle, yet they are expensive, complex, and time-consuming to develop, oper…

Cited by 460SourceScholar