Yixi Chen, Evangelos Chatziandreou, Chase Mathews, Beau Johnson, and David J. Braun, Design of a Parallel Elastic Actuator with Continuously Adjustable Equilibrium Position, IEEE Robotics and Automation Letters, vol. 11, no. 6, pp. 6512-6519, 2026.
Y. Chen, Y. Li and D.J. Braun, Learning Finite-Horizon Optimal Control with Unknown Control-Affine Dynamics, Systems & Control Letters, vol. 203, no. 106161, 2025.
Y. Y. Fu, A.U. Kilic and D.J. Braun, Energy Minimization using Custom-Designed Magnetic-Spring Actuators, IEEE International Conference on Intelligent Robots and Systems, pp. 3534-3539, October 14 – 18, Abu Dhabi, United Arab Emirates, 2024.
A.U. Kilic and D.J. Braun, A Novel Approximation for the Spring-Loaded Inverted Pendulum Model of Locomotion, IEEE International Conference on Intelligent Robots and Systems, pp. 4315-4321, October 1 – 5, Detroit, MI, USA, 2023.
D. Braun, C. W. Mathews, Human Adaptable Variable Stiffness Springs, US Patent Application 18/226,204, 2023.
S.Y. Kim and D.J. Braun, Variable Stiffness Floating Spring Leg: Performing net-zero energy cost tasks not achievable using fixed stiffness springs, IEEE Robotics and Automation Letters, vol. 8, no. 9, pp. 5400-5407, 2023.
S.Y. Kim and D.J. Braun, Controllable Mechanical-domain Energy Accumulators, IEEE International Conference on Robotics and Automation, London, United Kingdom, pp. 7359-7364, 2023.
C. Mathews and D.J. Braun, Design of a Variable Stiffness Spring with Human-Selectable Stiffness, IEEE International Conference on Robotics and Automation, London, United Kingdom, pp. 7385-7390, 2023.
C. Dempsey and D.J. Braun, Novel Spring Mechanism Enables Iterative Energy Accumulation under Force and Deformation Constraints, IEEE International Conference on Robotics and Automation, London, United Kingdom, pp. 7391-7397, 2023.
D. Braun, C. W. Mathews, Method and apparatus for human augmentation and robot actuation, US Patent 17/872,164, 2022.
D. Braun, S. Kim, Variable Stiffness Mechanisms for low Energy Cost Stiffness Modulation, US Patent Application 17/506,164, 2021.
D. Braun, A. Sutrisno, and T. Zhang, Method and Apparatus for Augmented Locomotion, US Patent 17/127,080, 2020.
Y. Chen, Y. Li, and D.J. Braun, Data-Driven Iterative Optimal Control for Switched Dynamical Systems, IEEE Robotics and Automation Letters, vol. 8, no. 1, pp. 296-303, 2023.
C. Mathews and D.J. Braun, Design of Parallel Variable Stiffness Actuators, IEEE Transactions on Robotics, vol. 39, no. 1, pp. 768-782, 2023.
T. Zhang and D.J. Braun, Theory of Fast Walking With Human-Driven Load-Carrying Robot Exoskeletons, Transactions on Neural Systems and Rehabilitation Engineering, vol. 30, pp. 1971-1981, 2022.
C.W. Mathews and D.J. Braun, Parallel Variable Stiffness Actuators, IEEE-RSJ International Conference on Intelligent Robots and Systems, pp. 8225-8231, 2021.
T. Zhang and D.J. Braun, Human Driven Compliant Transmission Mechanism, IEEE International Conference on Robotics and Automation, pp. 7094-7099, 2021.
Y. Chen and D.J. Braun, Iterative Online Optimal Feedback Control, vol. 66, no. 2, pp. 566-580, IEEE Transactions on Automatic Control, 2021.
S. Kim, T. Zhang, and D.J. Braun, Variable Stiffness Springs for Energy Storage Applications, IEEE International Conference on Robotics and Automation, Paris, FR, 2020.
A. Sutrisno and D.J. Braun, The Hidden Potential of Energetically Passive Exoskeletons, Wearable Robotics: Challenges and Trends, Proceedings of the 5th International Symposium on Wearable Robotics, WeRob2020, and of WearRAcon Europe 2020, pp. 3-5, October 13–16, 2020.
A. Sutrisno and D.J. Braun, How to Run 50% Faster without External Energy, vol. 6, no. 13, eaay1950, Science Advances, 2020.
D.J. Braun, Y. Chen, L. Li, Operational Space Control under Actuation Constraints using Strictly Convex Optimization, vol. 36, no. 1, pp. 302-309, IEEE Transactions on Robotics, 2019.
Y. Chen and D. J. Braun, Hardware-in-the-Loop Iterative Optimal Feedback Control without Model-based Future Prediction, vol. 35, no. 6, pp. 1419-1434, IEEE Transactions on Robotics, 2019.
D.J. Braun, V. Chalvet, Chong T.-H., S.S. Apte and N. Hogan, Variable Stiffness Spring Actuators for Low Energy Cost Stiffness Modulation, vol. 35, no. 6, pp. 1435-1449, IEEE Transactions on Robotics, 2019.
E.S. Altinkaynak and D.J. Braun, Multiphase and Multivariable Linear Controllers that Account for the Joint Torques in Normal Human Walking, IEEE Transactions on Biomedical Engineering, 2019.
Y. Li, H. Yu, and D.J. Braun, Algorithmic Resolution of Multiple Impacts in Non-smooth Mechanical Systems with Switching Constraints, IEEE International Conference on Robotics and Automation, Montreal, CA, pp. 7639-7645, May 2019.
L. Li and D.J. Braun, Constrained Feedback Control by Prioritized Multi-objective Optimization, IEEE International Conference on Robotics and Automation, Montreal, CA, pp. 9496-9501, May 2019.
E.S. Altinkaynak and D.J. Braun, A Phase-Invariant Linear Torque-Angle-Velocity Relation Hidden in the Human Walking Data, vol. 27, no. 4, pp. 702-711, IEEE Transactions on Neural Systems & Rehabilitation Engineering, 2019.
A. Sutrisno and D.J. Braun, Enhancing Mobility with Quasi-passive Variable Stiffness Exoskeletons, IEEE Transactions on Neural Systems & Rehabilitation Engineering, vol. 27, no. 3, pp. 487-496, 2019. Highlighted research by IEEE Transactions on Neural Systems & Rehabilitation Engineering.
F. A. Yaghmaie and D.J. Braun, Reinforcement Learning for a Class of Continuous-time Input Constrained Optimal Control Problems, Automatica, vol. 99, pp. 221-227, 2019.