Timothy Bretl

Orcid: 0000-0001-7883-7300

According to our database1, Timothy Bretl authored at least 110 papers between 2003 and 2023.

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Bibliography

2023
Hypergraph-Based Multi-robot Task and Motion Planning.
IEEE Trans. Robotics, October, 2023

TrackDLO: Tracking Deformable Linear Objects Under Occlusion With Motion Coherence.
IEEE Robotics Autom. Lett., October, 2023

Pointwise Sufficient Conditions for One-Dimensional Optimal Control Problems.
IEEE Control. Syst. Lett., 2023

The Impact of Time Step Frequency on the Realism of Robotic Manipulation Simulation for Objects of Different Scales.
CoRR, 2023

Dynamic Manipulation of a Deformable Linear Object: Simulation and Learning.
CoRR, 2023

The Use of Multi-Scale Fiducial Markers To Aid Takeoff and Landing Navigation by Rotorcraft.
CoRR, 2023

Comparative Study of Visual SLAM-Based Mobile Robot Localization Using Fiducial Markers.
CoRR, 2023

Learning from Integral Losses in Physics Informed Neural Networks.
CoRR, 2023

2022
Environment Warped Gait Trajectory Optimization for Complex Terrains.
IEEE Robotics Autom. Lett., 2022

Extrinsic Calibration of Multiple Inertial Sensors From Arbitrary Trajectories.
IEEE Robotics Autom. Lett., 2022

iCaps: Iterative Category-Level Object Pose and Shape Estimation.
IEEE Robotics Autom. Lett., 2022

Insights from an Industrial Collaborative Assembly Project: Lessons in Research and Collaboration.
CoRR, 2022

Truly Deterministic Policy Optimization.
Proceedings of the Advances in Neural Information Processing Systems 35: Annual Conference on Neural Information Processing Systems 2022, 2022

2021
PoseRBPF: A Rao-Blackwellized Particle Filter for 6-D Object Pose Tracking.
IEEE Trans. Robotics, 2021

Erratum to "The Impact of Height on Indoor Positioning With Magnetic Fields".
IEEE Trans. Instrum. Meas., 2021

The Impact of Height on Indoor Positioning With Magnetic Fields.
IEEE Trans. Instrum. Meas., 2021

Students' Perceptions and Behavior Related to Second-Chance Testing.
Proceedings of the IEEE Frontiers in Education Conference, 2021

2020
The Impact of Height on Indoor Positioning with Magnetic Fields.
Dataset, November, 2020

The Impact of Height on Indoor Positioning with Magnetic Fields.
Dataset, November, 2020

Motion Planning for Dual-Arm Manipulation of Elastic Rods.
IEEE Robotics Autom. Lett., 2020

A Quantitative Analysis of When Students Choose to Grade Questions on Computerized Exams with Multiple Attempts.
Proceedings of the L@S'20: Seventh ACM Conference on Learning @ Scale, 2020

Self-supervised 6D Object Pose Estimation for Robot Manipulation.
Proceedings of the 2020 IEEE International Conference on Robotics and Automation, 2020

Comparison of Grade Replacement and Weighted Averages for Second-Chance Exams.
Proceedings of the ICER 2020: International Computing Education Research Conference, 2020

2019
Epstein, Project Maven, and Some Reasons to Think About Where We Get Our Funding [Ethical, Legal, and Societal Issues].
IEEE Robotics Autom. Mag., 2019

PoseRBPF: A Rao-Blackwellized Particle Filter for 6D Object Pose Tracking.
CoRR, 2019

PoseRBPF: A Rao-Blackwellized Particle Filter for6D Object Pose Estimation.
Proceedings of the Robotics: Science and Systems XV, 2019

Every University Should Have a Computer-Based Testing Facility.
Proceedings of the 11th International Conference on Computer Supported Education, 2019

Effect of Discrete and Continuous Parameter Variation on Difficulty in Automatic Item Generation.
Proceedings of the Artificial Intelligence in Education - 20th International Conference, 2019

2018
Controlling sensation intensity for electrotactile stimulation in human-machine interfaces.
Sci. Robotics, 2018

Motion Planning of Fully Actuated Closed Kinematic Chains With Revolute Joints: A Comparative Analysis.
IEEE Robotics Autom. Lett., 2018

Experimental Evaluation of the Planar Assumption in Magnetic Positioning.
Proceedings of the 2018 International Conference on Indoor Positioning and Indoor Navigation, 2018

Feature-constrained Active Visual SLAM for Mobile Robot Navigation.
Proceedings of the 2018 IEEE International Conference on Robotics and Automation, 2018

Making Testing Less Trying: Lessons Learned from Operating a Computer-Based Testing Facility.
Proceedings of the IEEE Frontiers in Education Conference, 2018

Improved Structure from Motion Using Fiducial Marker Matching.
Proceedings of the Computer Vision - ECCV 2018, 2018

FEATS: Synthetic Feature Tracks for Structure from Motion Evaluation.
Proceedings of the 2018 International Conference on 3D Vision, 2018

2017
Reduction of Sufficient Conditions for Optimal Control Problems With Subgroup Symmetry.
IEEE Trans. Autom. Control., 2017

A portable, arbitrary waveform, multichannel constant current electrotactile stimulator.
Proceedings of the 8th International IEEE/EMBS Conference on Neural Engineering, 2017

MagPIE: A dataset for indoor positioning with magnetic anomalies.
Proceedings of the 2017 International Conference on Indoor Positioning and Indoor Navigation, 2017

A compliant four-bar linkage mechanism that makes the fingers of a prosthetic hand more impact resistant.
Proceedings of the 2017 IEEE International Conference on Robotics and Automation, 2017

ChromaTag: A Colored Marker and Fast Detection Algorithm.
Proceedings of the IEEE International Conference on Computer Vision, 2017

2016
Sufficient Conditions for a Path-Connected Set of Local Solutions to an Optimal Control Problem.
SIAM J. Appl. Math., 2016

Automatic grasp selection using a camera in a hand prosthesis.
Proceedings of the 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2016

A low-cost, open-source, compliant hand for enabling sensorimotor control for people with transradial amputations.
Proceedings of the 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2016

Helices, relative equilibria, and optimality on the special Euclidean group.
Proceedings of the 55th IEEE Conference on Decision and Control, 2016

2015
A passive mechanism for relocating payloads with a quadrotor.
Proceedings of the 2015 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2015

Tact: Design and performance of an open-source, affordable, myoelectric prosthetic hand.
Proceedings of the IEEE International Conference on Robotics and Automation, 2015

Manipulation planning with contacts for an extensible elastic rod by sampling on the submanifold of static equilibrium configurations.
Proceedings of the IEEE International Conference on Robotics and Automation, 2015

The free configuration space of a Kirchhoff elastic rod is path-connected.
Proceedings of the IEEE International Conference on Robotics and Automation, 2015

2014
Quasi-static manipulation of a Kirchhoff elastic rod based on a geometric analysis of equilibrium configurations.
Int. J. Robotics Res., 2014

Controlling many differential-drive robots with uniform control inputs.
Int. J. Robotics Res., 2014

Quasi-static manipulation of a planar elastic rod using multiple robotic grippers.
Proceedings of the 2014 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2014

State estimation and tracking of deforming planar elastic rods.
Proceedings of the 2014 IEEE International Conference on Robotics and Automation, 2014

Inverse optimal control for differentially flat systems with application to locomotion modeling.
Proceedings of the 2014 IEEE International Conference on Robotics and Automation, 2014

Passive Mechanical Skin Stretch for Multiple Degree-of-Freedom Proprioception in a Hand Prosthesis.
Proceedings of the Haptics: Neuroscience, Devices, Modeling, and Applications, 2014

The relationship between energy, phase charge, impedance, and perceived sensation in electrotactile stimulation.
Proceedings of the IEEE Haptics Symposium, 2014

A two-stage suboptimal approximation for variable compliance and torque control.
Proceedings of the 13th European Control Conference, 2014

Playing checkers with your mind: An interactive multiplayer hardware game platform for brain-computer interfaces.
Proceedings of the 36th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2014

Geometric optimal control for symmetry breaking cost functions.
Proceedings of the 53rd IEEE Conference on Decision and Control, 2014

Efficient motion planning for quasi-static elastic rods using geometry neighborhood approximation.
Proceedings of the IEEE/ASME International Conference on Advanced Intelligent Mechatronics, 2014

2013
Mechanics and Quasi-Static Manipulation of Planar Elastic Kinematic Chains.
IEEE Trans. Robotics, 2013

Learning impedance controller parameters for lower-limb prostheses.
Proceedings of the 2013 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2013

Robust coverage by a mobile robot of a planar workspace.
Proceedings of the 2013 IEEE International Conference on Robotics and Automation, 2013

Sequential selection of window length for improved SSVEP-based BCI classification.
Proceedings of the 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2013

Inverse optimal control for deterministic continuous-time nonlinear systems.
Proceedings of the 52nd IEEE Conference on Decision and Control, 2013

2012
Control and Planning of 3-D Dynamic Walking With Asymptotically Stable Gait Primitives.
IEEE Trans. Robotics, 2012

Minimum-Time Optimal Control of Many Robots that Move in the Same Direction at Different Speeds.
IEEE Trans. Robotics, 2012

Approximate Steering of a Unicycle Under Bounded Model Perturbation Using Ensemble Control.
IEEE Trans. Robotics, 2012

Equilibrium Configurations of a Kirchhoff Elastic Rod under Quasi-static Manipulation.
Proceedings of the Algorithmic Foundations of Robotics X, 2012

Motion primitives for path following with a self-assembled robotic swimmer.
Proceedings of the 2012 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2012

Experiments in quasi-static manipulation of a planar elastic rod.
Proceedings of the 2012 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2012

Feedback control of many differential-drive robots with uniform control inputs.
Proceedings of the 2012 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2012

Approximate steering of a plate-ball system under bounded model perturbation using ensemble control.
Proceedings of the 2012 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2012

A brain-machine interface to navigate mobile robots along human-like paths amidst obstacles.
Proceedings of the 2012 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2012

A convex approach to inverse optimal control and its application to modeling human locomotion.
Proceedings of the IEEE International Conference on Robotics and Automation, 2012

Proving path non-existence using sampling and alpha shapes.
Proceedings of the IEEE International Conference on Robotics and Automation, 2012

Mechanics and manipulation of planar elastic kinematic chains.
Proceedings of the IEEE International Conference on Robotics and Automation, 2012

Robust optimal deployment of mobile sensor networks.
Proceedings of the IEEE International Conference on Robotics and Automation, 2012

Modelling search with a binary sensor utilizing self-conjugacy of the exponential family.
Proceedings of the IEEE International Conference on Robotics and Automation, 2012

Inverse optimal control for a hybrid dynamical system with impacts.
Proceedings of the IEEE International Conference on Robotics and Automation, 2012

Prediction of distal arm joint angles from EMG and shoulder orientation for prosthesis control.
Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2012

2011
A Feedback Information-Theoretic Approach to the Design of Brain-Computer Interfaces.
Int. J. Hum. Comput. Interact., 2011

Probably approximately correct coverage for robots with uncertainty.
Proceedings of the 2011 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2011

Maximum entropy inverse reinforcement learning in continuous state spaces with path integrals.
Proceedings of the 2011 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2011

A compact representation of locally-shortest paths and its application to a human-robot interface.
Proceedings of the IEEE International Conference on Robotics and Automation, 2011

2010
Comments on "An Optimality Principle Governing Human Walking".
IEEE Trans. Robotics, 2010

Motion planning under bounded uncertainty using ensemble control.
Proceedings of the Robotics: Science and Systems VI, 2010

An optimal solution to the linear search problem for a robot with dynamics.
Proceedings of the 2010 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2010

Asymptotically stable gait primitives for planning dynamic bipedal locomotion in three dimensions.
Proceedings of the IEEE International Conference on Robotics and Automation, 2010

Remote teleoperation of an unmanned aircraft with a brain-machine interface: Theory and preliminary results.
Proceedings of the IEEE International Conference on Robotics and Automation, 2010

A Probabilistic Language Model for Hand Drawings.
Proceedings of the 20th International Conference on Pattern Recognition, 2010

A control theoretic approach to robot-assisted locomotor therapy.
Proceedings of the 49th IEEE Conference on Decision and Control, 2010

2009
Automated manipulation of spherical objects in three dimensions using a gimbaled air jet.
Proceedings of the 2009 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2009

Control of many robots moving in the same direction with different speeds: A decoupling approach.
Proceedings of the American Control Conference, 2009

2008
Testing Static Equilibrium for Legged Robots.
IEEE Trans. Robotics, 2008

Motion Planning for Legged Robots on Varied Terrain.
Int. J. Robotics Res., 2008

Querying the user properly for high-performance brain-machine interfaces: Recursive estimation, control, and feedback information-theoretic perspectives.
Proceedings of the IEEE International Conference on Acoustics, 2008

Policies for neural prosthetic control: Initial experiments with a text interface.
Proceedings of the American Control Conference, 2008

2007
Control of Many Agents Using Few Instructions.
Proceedings of the Robotics: Science and Systems III, 2007

Kinematic and dynamic control of a wheeled mobile robot.
Proceedings of the 2007 IEEE/RSJ International Conference on Intelligent Robots and Systems, October 29, 2007

2006
Motion Planning of Multi-Limbed Robots Subject to Equilibrium Constraints: The Free-Climbing Robot Problem.
Int. J. Robotics Res., 2006

Motion Planning for a Six-Legged Lunar Robot.
Proceedings of the Algorithmic Foundation of Robotics VII, 2006

Using Motion Primitives in Probabilistic Sample-Based Planning for Humanoid Robots.
Proceedings of the Algorithmic Foundation of Robotics VII, 2006

Natural Motion Generation for Humanoid Robots.
Proceedings of the 2006 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2006

A Fast and Adaptive Test of Static Equilibrium for Legged Robots.
Proceedings of the 2006 IEEE International Conference on Robotics and Automation, 2006

2005
Learning-Assisted Multi-Step Planning.
Proceedings of the 2005 IEEE International Conference on Robotics and Automation, 2005

Non-gaited humanoid locomotion planning.
Proceedings of the 5th IEEE-RAS International Conference on Humanoid Robots, 2005

2004
Multi-Step Motion Planning for Free-Climbing Robots.
Proceedings of the Algorithmic Foundations of Robotics VI, 2004

Free-Climbing with a Multi-Use Robot.
Proceedings of the Experimental Robotics IX, 2004

2003
Toward Autonomous Free-Climbing Robots.
Proceedings of the Robotics Research, The Eleventh International Symposium, 2003

Motion planning for a three-limbed climbing robot in vertical natural terrain.
Proceedings of the 2003 IEEE International Conference on Robotics and Automation, 2003


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