Publications

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2024
December
PDF Code Generation for Conic Model-Predictive Control on Microcontrollers with TinyMPC
Sam Schoedel, Khai Nguyen, Elakhya Nedumaran, Brian Plancher, and Zac Manchester
Conference on Decision and Control (CDC). Milan, Italy. (In Review)

December
PDF Contingency-Aware Station-Keeping Control of Halo Orbits
Fausto Vega, Zac Manchester, Martin Lo, and Ricardo Restrepo
Conference on Decision and Control (CDC). Milan, Italy. (In Review)

October
PDF Differentiable Collision-Free Parametric Corridors
Jon Arrizabalaga, Zachary Manchester, and Markus Ryll
International Conf. on Intelligent Robots and Systems (IROS). Abu Dhabi, UAE. (Accepted)

October
PDF Robots with Attitude: Singularity-Free Quaternion-Based Model-Predictive Control for Agile Legged Robots
Zixin Zhang, John Zhang, Shuo Yang, and Zac Manchester
arXiv (In Review)

October
Real-Time Whole-Body Control of Legged Robots with Model-Predictive Path Integral Control
Juan Alvarez Padilla, John Zhang, Sofia Kwok, John M. Dolan, and Zac Manchester
arXiv (In Review)

October
PDF From Pixels to Torques with Linear Feedback
Jeong Hun Lee, Sam Schoedel, Aditya Bhardwaj, and Zachary Manchester
International Workshop on the Algorithmic Foundations of Robotics (WAFR). Chicago, IL. (In Review)

June
PDF A Convex Formulation of the Soft-Capture Problem
Ibrahima S. Sow, Geordan Gutow, Howie Choset, and Zac Manchester
IEEE International Conference on Space Robotics (iSpaRo). Luxembourg, Luxembourg. (Accepted)

June
From Variance to Veracity: Unbundling and Mitigating Gradient Variance in Differentiable Bundle Adjustment Layers
Swaminathan Gurumurthy, Karnik Ram, Bingqing Chen, Zac Manchester, and Zico Kolter
Conference on Computer Vision and Pattern Recognition (CVPR). Seattle, WA. (Accepted)

May
PDF SLoMo: A General System for Legged Robot Motion Imitation from Casual Videos
John Zhang, Shuo Yang, Gengshan Yang, Arun Bishop, Swaminathan Gurumurthy, Deva Ramanan, and Zac Manchester
Robotics and Automation Letters (RA-L) & International Conference on Robotics and Automation (ICRA)

May
ReLU-QP: A GPU-Accelerated Quadratic Programming Solver for Model-Predictive Control
Arun Bishop, John Zhang, Swaminathan Gurumurthy, Kevin Tracy, and Zac Manchester
International Conference on Robotics and Automation (ICRA). Yokohama, Japan. (Accepted)

May
TinyMPC: Model-Predictive Control on Resource-Constrained Microcontrollers
Khai Nguyen, Sam Schoedel, Anoushka Alavilli, Brian Plancher, and Zac Manchester
International Conference on Robotics and Automation (ICRA). Yokohama, Japan. (Accepted)

May
PDF VINSat: Solving the Lost-in-Space Problem with Visual Inertial Navigation
Kyle McCleary, Swaminathan Gurumurthy, Paulo Fisch, Saral Tayal, Zac Manchester, and Brandon Lucia
IEEE International Conference on Robotics and Automation (ICRA). Yokohama, Japan. (Accepted)

March
PDF High-Expansion-Ratio Deployable Structures for Long Duration Space Missions
Mitchell Fogelson, Sawyer Thomas, Giusy Falcone, Jeffery Lipton, and Zac Manchester
IEEE Aerospace Conference (Accepted)

March
PDF An Architecture Study for Low-Power Satellite-Based Wildlife Tracking
Fausto Vega, James Phillips, Kathryn Lampo, Robert MacCurdy, and Zac Manchester
IEEE Aerospace Conference (Accepted)

March
PDF A Massively Parallel Method for Fast Computation of Invariant Manifolds
Fausto Vega, Martin Lo, Zac Manchester, and Jon Sims
IEEE Aerospace Conference (Accepted)

March
PDF Building a Better B-Dot: Fast Detumbling with Non-Monotonic Lyapunov Functions
Jacob Willis, Paulo Fisch, Aleksei Seletskiy, and Zac Manchester
IEEE Aerospace Conference (Accepted)
2023
December
Efficient Online Learning of Contact Force Models for Connector Insertion
Kevin Tracy, Zac Manchester, Ajinkya Jain, Keegan Go, Stefan Schaal, Tom Erez, and Yuval Tassa
arXiv (In Review)

October
PDF PPR: Physically Plausible Reconstruction from Monocular Videos
Gengshan Yang, Shuo Yang, John Zhang, Zac Manchester, and Deva Ramanan
IEEE International Conference on Computer Vision (ICCV). Paris, France.

October
PDF Multi-IMU Proprioceptive Odometry for Legged Robots (Best Paper Award Finalist)
Shuo Yang, Zixin Zhang, Ben Bokser, and Zac Manchester
International Conference on Intelligent Robots and Systems (IROS). Detriot, MI.

August
PDF Fast Contact-Implicit Model-Predictive Control
Simon Le Cleac'h, Taylor Howell, Shuo Yang, Chiyen Lee, John Zhang, Arun Bishop, Mac Schwager, and Zac Manchester
IEEE Transactions on Robotics (Conditionally Accepted)

June
Practical Critic Gradient based Actor Critic for On-Policy Reinforcement Learning
Swaminathan Gurumurthy, Zac Manchester, and Zico Kolter
Learning for Dynamics and Control Conference (L4DC). Philadelphia, PA. (Accepted)

June
Deep Off-Policy Iterative Learning Control
Swaminathan Gurumurthy, Zico Kolter, and Zac Manchester
Learning for Dynamics and Control Conference (L4DC). Philadelphia, PA. (Accepted)

May
PDF Differentiable Collision Detection for a Set of Convex Primitives
Kevin Tracy, Taylor Howell, and Zac Manchester
International Conference on Robotics and Automation (ICRA). London.

May
PDF Enhanced Balance for Legged Robots Using Reaction Wheels
Chiyen Lee, Shuo Yang, Ben Bokser, and Zac Manchester
International Conference on Robotics and Automation (ICRA). London.

May
PDF Cerberus: Low-Drift Visual-Inertial-Leg Odometry For Agile Locomotion
Shuo Yang, Zixin Zhang, Zhengyu Fu, and Zac Manchester
International Conference on Robotics and Automation (ICRA). London.

May
PDF Aquarium: A Fully Differentiable Fluid-Structure Interaction Solver for Robotics Applications
Jeong Hun (JJ) Lee, Mike Y. Michelis, Robert Katzschmann, and Zac Manchester
International Conference on Robotics and Automation (ICRA). London.

May
Direct Collocation for Quantum Optimal Control
Aaron Trowbridge, Aditya Bhardwaj, Kevin He, David I. Schuster, and Zac Manchester
IEEE International Conference on Quantum Computing and Engineering Seattle, WA. (Best Paper Award)

March
PDF Convex Optimization of Relative Orbit Maneuvers Using the Kustaanheimo-Stiefel Transformation
Jacob Willis, and Zac Manchester
IEEE Aerospace Conference. Big Sky, MT.

January
PDF Robust Entry Guidance with Atmospheric Adaptation
Kevin Tracy, Giusy Falcone, and Zac Manchester
AIAA SciTech Forum and Exposition. National Harbor, MD.
2022
September
PDF Data-Efficient Model Learning for Control with Jacobian-Regularized Dynamic Mode Decomposition
Brian Jackson, Jeong Hun (JJ) Lee, Kevin Tracy, and Zac Manchester
The Conference on Robot Learning (CoRL)

June
PDF Online Kinematic Calibration for Legged Robots
Shuo Yang, Howie Choset, and Zac Manchester
IEEE Robotics and Automation Letters & IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS)

May
PDF The V-R3x Mission: Towards Autonomous Networking and Navigation for CubeSat Swarms
Max Holliday, Kevin Tracy, Zac Manchester, and Anh Nguyen
The 4S Symposium. Vilamoura, Portugal.

May
PDF CALIPSO: A Differentiable Solver for Trajectory Optimization with Conic and Complementarity Constraints
Taylor Howell, Kevin Tracy, Simon Le Cleac'h, and Zac Manchester
arXiv (submitted)

March
PDF Dojo: A Differentiable Simulator for Robotics
Taylor Howell, Simon Le Cleac'h, Zico Kolter, Mac Schwager, and Zac Manchester
arXiv (submitted)

March
PDF Ultra-Fine Pointing for Nanosatellite Telescopes with Actuated Booms
Kevin Tracy, Zac Manchester, and Ewan Douglas
IEEE Aerospace Conference. Big Sky, MT.

March
PDF CPEG: A Convex Predictor-corrector Entry Guidance Algorithm
Kevin Tracy, and Zac Manchester
IEEE Aerospace Conference. Big Sky, MT.
2021
September
PDF Trajectory Optimization with Optimization-Based Dynamics
Taylor Howell, Simon Le Cleac'h, Sumeet Singh, Pete Florence, Zac Manchester, and Vikas Sindhwani
Robotics and Automation Letters

May
PDF A Dynamics Simulator for Soft Growing Robots
Rianna Jitosho, Nathaniel Agharese, Allison Okamura, and Zac Manchester
International Conference on Robotics and Automation (ICRA). Xi'an, China.

May
PDF Linear-Quadratic Optimal Control in Maximal Coordinates
Jan Bruedigam, and Zac Manchester
International Conference on Robotics and Automation (ICRA). Xi'an, China.

May
PDF Direct Policy Optimization using Deterministic Sampling and Collocation
Taylor Howell, Chunjiang Fu, and Zac Manchester
International Conference on Robotics and Automation (ICRA). Xi'an, China.

May
PDF LUCIDGames: Online Unscented Inverse Dynamic Games for Adaptive Trajectory Prediction and Planning
Simon Le Cleac'h, Mac Schwager, and Zac Manchester
Robotics Automation and Letters (RAL). (Accepted)

May
PDF ALTRO-C: A Fast Solver for Conic Model-Predictive Control
Brian Jackson, Tarun Punnoose, Daniel Neamati, Kevin Tracy, Rianna Jitosho, and Zac Manchester
International Conference on Robotics and Automation (ICRA).

May
PDF Planning with Attitude
Brian Jackson, Kevin Tracy, and Zac Manchester
Robotics Automation and Letters (RAL). (Accepted)

April
PDF ALGAMES: A Fast Augmented Lagrangian Solver for Constrained Dynamic Games
Simon Le Cleac'h, Mac Schwager, and Zac Manchester
Autonomous Robots (AuRo). (Accepted)

March
Dynamic Biasing for Improved On-Orbit Total-Dose Lifetimes of Commercial Semiconductor Devices
Max Holliday, Thomas Heuser, Zac Manchester, and Debbie Senesky
IEEE Transactions on Nuclear Science (TNS). (Submitted)

March
Robust Quantum Optimal Control with Trajectory Optimization
Thomas Propson, Brian Jackson, Jens Koch, Zac Manchester, and David I Schuster
arXiv (arXiv).

March
PDF Robust Entry Vehicle Guidance with Sampling-Based Invariant Funnels
Remy Derollez, Simon Le Cleac'h, and Zac Manchester
IEEE Aerospace Conference (AeroConf2021). Big Sky, MT.

February
PDF Low-Thrust Trajectory Optimization Using the Kustaanheimo-Stiefel Transformation
Kevin Tracy, and Zac Manchester
AAS/AIAA Space Flight Mechanics Meeting. Charlotte, NC.
2020
August
PDF Model-Predictive Attitude Control for Flexible Spacecraft During Thruster Firings
Kevin Tracy, and Zac Manchester
AAS/AIAA Astrodynamics Specialist Conference. South Lake Tahoe, CA.

July
PDF ALGAMES: A Fast Solver for Constrained Dynamic Games
Simon Le Cleac'h, Mac Schwager, and Zac Manchester
Robotics: Science and Systems (RSS). Corvallis, OR.

June
PDF Linear-Time Variational Integrators in Maximal Coordinates
Jan Bruedigam, and Zac Manchester
Workshop on the Algorithmic Foundations of Robotics (WAFR). Oulu, Finland.

June
PDF Structured Mechanical Models for Robot Learning and Control
Jayesh Gupta, Kunal Menda, Zac Manchester, and Mykel Kochenderfer
Conference on Learning for Dynamics and Control (L4DC). Berkeley, CA.

May
PDF Scalable Cooperative Transport of Cable-Suspended Loads with UAV's using Distributed Trajectory Optimization
Brian Jackson, Taylor Howell, Kunal Shah, Mac Schwager, and Zac Manchester
International Conference on Robotics and Automation (ICRA). Paris, France.

February
PDF Sample-Based Robust Uncertainty Propagation for Entry Vehicles
Remy Derollez, and Zac Manchester
AAS Guidance, Navigation, and Control Conference Breckenridge, CO.
2019
November
PDF ALTRO: A Fast Solver for Constrained Trajectory Optimization
Taylor Howell, Brian Jackson, and Zac Manchester
International Conference on Intelligent Robots and Systems (IROS). Macao, China.

October
PDF Bilevel Optimization for Planning through Contact: A Semidirect Method
Benoit Landry, Joseph Lorenzetti, Zac Manchester, and Marco Pavone
Internation Symposium on Robotics Research (ISRR).

August
PDF Magnetorquer-Only Attitude Control of Small Satellites using Trajectory Optimization
Andrew Gatherer, and Zac Manchester
AAS/AIAA Astrodynamics Specialist Conference Portland, Maine.

August
PDF Fast Solution of Optimal Control Problems with L1 Cost
Simon Le Cleac'h, and Zac Manchester
AAS/AIAA Astrodynamics Specialist Conference Portland, Maine.

August
PDF PyCubed: An Open-Source, Radiation-Tested CubeSat Platform Programmable Entirely in Python
Max Holliday, Andrea Ramirez, Connor Settle, Tane Tatum, Debbie Senesky, and Zac Manchester
AIAA/USU Conference on Small Satellites (SmallSat). Logan, Utah.

June
PDF A Differentiable Augmented Lagrangian Method for Bilevel Nonlinear Optimization
Benoit Landry, Zac Manchester, and Marco Pavone
Robotics: Science and Systems (RSS).

May
Contact-Implicit Trajectory Optimization Using Variational Integrators
Zac Manchester, Neel Doshi, Robert J Wood, and Scott Kuindersma
The International Journal of Robotics Research (IJRR).

February
PDF A General Framework for Structured Learning of Mechanical Systems
Jayesh K. Gupta, Kunal Menda, Zac Manchester, and Mykel J. Kochenderfer
arXiv
2018
July
PDF Robust Direct Trajectory Optimization Using Approximate Invariant Funnels
Zac Manchester, and Scott Kuindersma
Autonomous Robots

June
PDF Contact-Implicit Optimization of Locomotion Trajectories for a Quadrupedal Microrobot
Neel Doshi, Kaushik Jayaram, Benjamin Goldberg, Zac Manchester, Robert J Wood, and Scott Kuindersma
Robotics: Science and Systems (RSS). Pittsburgh, Pennsylvania.

May
Handedness in Shearing Auxetics Creates Rigid and Compliant Structures
Jeffery Ian Lipton, Robert MacCurdy, Zac Manchester, Lillian Chin, Daniel Cellucci, and Daniela Rus
Science 360(6389)
2017
December
PDF Variational Contact-Implicit Trajectory Optimization
Zac Manchester, and Scott Kuindersma
International Symposium on Robotics Research (ISRR). Puerto Varas, Chile.

September
PDF Constrained Unscented Dynamic Programming
Brian Plancher, Zac Manchester, and Scott Kuindersma
International Conference on Intelligent Robots and Systems (IROS). Vancouver, Canada.

July
PDF DIRTREL: Robust Trajectory Optimization with Ellipsoidal Distrubances and LQR Feedback
Zac Manchester, and Scott Kuindersma
Robotics: Science and Systems (RSS). Cambridge, Massachusetts.

June
PDF Planning Cuts for Mobile Robots with Bladed Tools
Jeffery Lipton, Zac Manchester, and Daniela Rus
International Conference on Robotics and Automation (ICRA). Singapore.

March
PDF Stability of a Light Sail Riding on a Laser Beam
Zac Manchester, and Abraham Loeb
The Astrophysical Journal 837(2)

January
PDF Recursive Inertia Estimation With Semidefinite Programming
Zac Manchester, and Mason Peck
AIAA Guidance, Navigation and Control Conference Grapevine, Texas.

January
PDF A Variable Forward-Sweep Wing Design for Enhanced Perching in Micro Aerial Vehicles
Zac Manchester, Jeffery Lipton, Robert Wood, and Scott Kuindersma
AIAA Aerospace Sciences Meeting Grapevine, Texas.
2016
December
PDF Derivative-Free Trajectory Optimization with Unscented Dynamic Programming
Zac Manchester, and Scott Kuindersma
IEEE Conference on Decision and Control (CDC).

June
How Do You Fly to Alpha Centauri in Just 20 Years? Ride a Laser Beam
and Zac Manchester
IEEE Spectrum

February
PDF Lyapunov-Based Control for Flat-Spin Recovery and Spin Inversion of Spin-Stabilized Spacecraft
and Zac Manchester
AAS/AIAA Astrodynamics Specialist Conference Long Beach, California.

January
PDF Quaternion Variational Integrators for Spacecraft Dynamics
Zac Manchester, and Mason Peck
Journal of Guidance, Control, and Dynamics 39(1)
2013
August
PDF KickSat: A Crowd-Funded Mission to Demonstrate the World's Smallest Spacecraft
Zac Manchester, Mason Peck, and Andrew Filo
AIAA/USU Conference on Small Satellites Logan, Utah.