Hierarchical classification of subject-cooperative control strategies for lower limb exoskeletons in gait rehabilitation: A systematic review

J Narayan, C Auepanwiriyakul, S Jhunjhunwala… - Machines, 2023 - mdpi.com
Over the last decade, lower limb exoskeletons have seen significant development, with a
particular focus on improving the interaction between the subject and the exoskeleton. This …

Output constrained control of lower limb exoskeleton based on knee motion probabilistic model with finite-time extended state observer

Z Chen, Q Guo, T Li, Y Yan - IEEE/ASME Transactions on …, 2023 - ieeexplore.ieee.org
Due to randomness and uncertainty of individual walking gait, this study uses the sparse
Gaussian process (SGP) to construct a knee motion probabilistic model related to its …

Adaptive cooperative control of a soft elbow rehabilitation exoskeleton based on improved joint torque estimation

Q Wu, Y Chen - Mechanical Systems and Signal Processing, 2023 - Elsevier
A current challenge with robot-assisted rehabilitation is to combine the active involvement
and voluntary participation of patients into the rehabilitation training process to enhance …

A neural network based framework for variable impedance skills learning from demonstrations

Y Zhang, L Cheng, R Cao, H Li, C Yang - Robotics and Autonomous …, 2023 - Elsevier
Robots are becoming standard collaborators not only in factories, hospitals, and offices, but
also in people's homes, where they can play an important role in situations where a human …

Adaptive gait training of a lower limb rehabilitation robot based on human–robot interaction force measurement

F Yu, Y Liu, Z Wu, M Tan, J Yu - Cyborg and Bionic Systems, 2024 - pmc.ncbi.nlm.nih.gov
The existing fixed gait lower limb rehabilitation robots perform a predetermined walking
trajectory for patients, ignoring their residual muscle strength. To enhance patient …

Extended state observer-based sliding mode control design of two-dof lower limb exoskeleton

J Zhang, W Gao, Q Guo - Actuators, 2023 - mdpi.com
Due to some model uncertainties and unknown friction disturbances that exist in the 2-DOF
lower limb exoskeleton, a linear extended state observer (LESO) is proposed to estimate the …

Fuzzy-based fixed-time nonsingular tracker of exoskeleton robots for disabilities using sliding mode state observer

AA Aly, M The Vu, FFM El-Sousy, A Alotaibi, G Mousa… - Mathematics, 2022 - mdpi.com
In this article, the position tracking control of the wheelchair upper-limb exoskeleton robotic
system is investigated with the aim of rehabilitation of disabled people. Hence, the fuzzy …

A transformer-based neural network for gait prediction in lower limb exoskeleton robots using plantar force

J Ren, A Wang, H Li, X Yue, L Meng - Sensors, 2023 - mdpi.com
Lower limb exoskeleton robots have shown significant research value due to their
capabilities of providing assistance to wearers and improving physical motion functions. As …

Autonomous motion and control of lower limb exoskeleton rehabilitation robot

X Gao, P Zhang, X Peng, J Zhao, K Liu… - … in Bioengineering and …, 2023 - frontiersin.org
Introduction: The lower limb exoskeleton rehabilitation robot should perform gait planning
based on the patient's motor intention and training status and provide multimodal and robust …

Neural network-based variable stiffness impedance control for internal/external forces tracking of dual-arm manipulators under uncertainties

Y Zhou, Z Li, Y Li, M Zhu - Control Engineering Practice, 2023 - Elsevier
The desired interaction between manipulators, objects, and environments has resulted in
the internal/external force control for dual-arm manipulators being in increasing demand …