• E. G. Keller, C. A. Laubscher, and R. D. Gregg, “Effects of a powered knee-ankle prosthesis on intact joint biomechanics across sustained activities of daily life: A case series,” IEEE Transactions on Neural Systems and Rehabilitation Engineering, vol. 34, 2026. (PDF, Data)
  • J. T. Sawicki, J. J. Wiebrecht, C. A. Laubscher, A. C. Goo, R. J. Farris, and S. J.-S. Etheridge, “Adjustability mechanism for lower limb orthosis,” U.S. Patent No. 12,558,244, 2026.
  • R. D. Gregg, S. Cheng, C. A. Laubscher, “Powered prosthesis and activity classifier”, International Patent App. No. PCT/US2025/053837, 2025.
  • R. D. Gregg, A. E. Lang, C. A. Laubscher, and S. Cheng, “Limb-assistive device and system with user-wearable interface”, U.S. Patent App. No. 63/839,889, 2025.
  • A. E. Lang, C. A. Laubscher, S. Cheng, and R. D. Gregg, “Vibrotactile haptic and gesture feedback in a smartwatch for controlling a multi-activity powered knee-ankle prosthesis,” in Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), Copenhagen, Denmark, 2025. (PDF)
  • S. Cheng, C. A. Laubscher, T. K. Best, and R. D. Gregg, “Ambilateral activity recognition and continuous adaptation with a powered knee ankle prosthesis,” IEEE Transactions on Robotics, vol. 41, 2025. (Preprint, Video)
  • R. D. Gregg, S. Cheng, C. A. Laubscher, “Powered lower limb assistive device with obstacle avoidance,” International Patent App. No. PCT/US2024/057193, 2024.
  • S. Cheng, C. A. Laubscher, and R. D. Gregg, “Controlling powered prosthesis kinematics over continuous inter-leg transitions between walking and stair ascent/descent,” IEEE Transactions on Neural Systems and Rehabilitation Engineering, vol. 32, 2024. (PDF, Video)
  • A. J. Lee, C. A. Laubscher, T. K. Best, and R. D. Gregg, “Towards a unified approach for continuously variable impedance control of powered prosthetic legs over walking speeds and inclines,” in IEEE International Conference on Robotics and Automation (ICRA), Yokohama, Japan, 2024. (PDF)
  • A. C. Goo, C. A. Laubscher, D. A. Wajda, and J. T. Sawicki, “Preliminary virtual constraint-based control evaluation on a pediatric lower limb exoskeleton,” MDPI Bioengineering, vol. 11, no. 6, 2024.
  • S. Cheng, C. A. Laubscher, and R. D. Gregg, “Automatic stub avoidance for a powered prosthetic leg over stairs and obstacles,” IEEE Transactions on Biomedical Engineering, vol. 71, no. 5, 2024. (Preprint, Video)
  • T. K. Best, C. A. Laubscher, R. Cortino, S. Cheng, and R. D. Gregg, “Improving amputee endurance over activities of daily living with a robotic knee ankle prosthesis: A case study,” in IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), Detroit, MI, US, 2023. IROS Best Application Paper Award Finalist. (PDF, Video)
  • S. Cheng, C. A. Laubscher, and R. D. Gregg, “Controlling powered prosthesis kinematics over continuous transitions between walk and stair ascent,” in IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), Detroit, MI, US, 2023. IROS Best Student Paper Award. (PDF, Video)
  • E. Keller, C. A. Laubscher, and R. D. Gregg, “Gait event detection with proprioceptive force sensing in a powered knee ankle prosthesis: validation over walking speeds and slopes,” in IEEE International Conference on Robotics and Automation (ICRA), London, United Kingdom, 2023. (Preprint)
  • C. A. Laubscher, A. C. Goo, R. J. Farris, and J. T. Sawicki, “Optimal phase-based gait guidance control on a lower-limb exoskeleton,” Elsevier Control Engineering Practice, vol. 139, 2023.
  • A. C. Goo, C. A. Laubscher, J. J. Wiebrecht, and J. T. Sawicki, “Hybrid zero dynamics control for gait guidance of a novel adjustable pediatric lower-limb exoskeleton,” MDPI Bioengineering, vol. 9, no. 5, 2022.
  • A. C. Goo, C. A. Laubscher, and J. T. Sawicki, “Hybrid zero dynamics control of an underactuated lower-limb exoskeleton for gait guidance,” ASME Journal of Dynamic Systems, Measurement and Control, vol. 144, no. 6, 2022.
  • C. A. Laubscher, A. C. Goo, R. J. Farris, and J. T. Sawicki, “Hybrid impedance-sliding mode switching control of the Indego Explorer lower-limb exoskeleton in able-bodied walking,” Springer Journal of Intelligent and Robotic Systems, vol. 104, no. 76, 2022.
  • J. T. Sawicki, C. A. Laubscher, R. J. Farris, and S. J.-S. Etheridge, “Actuating device for powered orthosis,” U.S. Patent No. 11,207,234, 2021.
  • C. A. Laubscher, R. J. Farris, A. J. van den Bogert, and J. T. Sawicki, “An anthropometrically parameterized assistive lower limb exoskeleton,” ASME Journal of Biomechanical Engineering, vol. 143, no. 10, 2021.
  • C. A. Laubscher and J. T. Sawicki, “A robust impedance controller for improved safety in human-robot interaction,” ASME Journal of Dynamic Systems, Measurement, and Control, vol. 143, no. 9, 2021.
  • A. C. Goo, C. A. Laubscher, R. J. Farris, and J. T. Sawicki, “Design and evaluation of a pediatric lower-limb exoskeleton joint actuator,” MDPI Actuators, vol. 9, no. 4, 2020.
  • C. A. Laubscher, R. J. Farris, and J. T. Sawicki, “Angular momentum-based control of an underactuated orthotic system for crouch-to-stand motion,” Springer Autonomous Robots, vol. 44, no. 8, 2020.
  • C. A. Laubscher, “Design and development of a powered pediatric lower-limb orthosis”, PhD Dissertation, Cleveland State University, Cleveland, OH, US, 2020.
  • C. A. Laubscher and J. T. Sawicki, “Robust control-oriented modeling of a feedback-linearized powered pediatric lower-limb orthosis,” in ASME International Mechanical Engineering Congress and Exposition (IMECE), Salt Lake City, UT, US, 2019.
  • C. A. Laubscher and J. T. Sawicki, “Gait guidance control for damping of unnatural motion in a powered pediatric lower-limb orthosis,” in IEEE International Conference on Rehabilitation Robotics (ICORR), Toronto, ON, CA, 2019.
  • D. J. Maher, A. A. Garnett, C. A. Laubscher, J. T. Sawicki, and D. J. Simon, “Extended Kalman filter-based control of a pediatric exoskeleton,” in ASME International Mechanical Engineering Congress and Exposition (IMECE), Tampa, FL, US, 2017.
  • C. A. Laubscher, R. J. Farris, and J. T. Sawicki, “Design and preliminary evaluation of a powered pediatric lower limb orthosis,” in ASME International Design Engineering Technical Conferences and Computers and Information in Engineering Conference (IDETC), Cleveland, OH, US, 2017.