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Task-dependent controllers widely used in exoskeletons track predefined trajectories, which overly constrain the volitional motion of individuals with remnant voluntary mobility. Energy shaping, on the other hand, provides task-invariant…

Robotics · Computer Science 2023-03-28 Jiefu Zhang , Jianping Lin , Vamsi Peddinti , Robert D. Gregg

This paper introduces a novel design for a robotic hand based on parallel mechanisms. The proposed hand uses a triple-symmetric Bricard linkage as its reconfigurable palm, enhancing adaptability to objects of varying shapes and sizes.…

Robotics · Computer Science 2026-03-03 Chunxu Tian , Zhichao Huang , Hongzeng Li , Bo Wang , Jinghao Jia , Yirui Sun , Dan Zhang

The hand is one of the most complex and important parts of the human body. The dexterity provided by its multiple degrees of freedom enables us to perform many of the tasks of daily living which involve grasping and manipulating objects of…

Robotics · Computer Science 2018-10-19 Michelle Esponda , Thomas M. Howard

Many kinds of lower-limb exoskeletons were developed for walking assistance. However, when controlling these exoskeletons, time-delay due to the computation time and the communication delays is still a general problem. In this research, we…

Robotics · Computer Science 2020-08-07 Ming Ding , Mikihisa Nagashima , Sung-Gwi Cho , Jun Takamatsu , Tsukasa Ogasawara

In rehabilitation, powered, and teleoperation exoskeletons, connecting the human body to the exoskeleton through binding attachments is a common configuration. However, the uncertainty of the tightness and the donning deviation of the…

Robotics · Computer Science 2025-03-04 Chuang Cheng , Xinglong Zhang , Xieyuanli Chen , Wei Dai , Longwen Chen , Daoxun Zhang , Hui Zhang , Jie Jiang , Huimin Lu

Over the years, the number of exoskeleton devices utilized for upper-limb rehabilitation has increased dramatically, each with its own set of pros and cons. Most exoskeletons are not portable, limiting their utility to daily use for house…

Robotics · Computer Science 2022-02-08 Rupal Roy , MM Rashid , Md Manjurul Ahsan , Zahed Siddique

Assistive devices for indivuals with upper-limb movement often lack controllability and intuitiveness, in particular for grasping function. In this work, we introduce a novel user interface for grasping movement control in which the user…

Quantitative Methods · Quantitative Biology 2023-06-28 Etienne Moullet , François Bailly , Justin Carpentier , Christine Azevedo Coste

Gait asymmetry is a significant clinical characteristic of hemiplegic gait that most stroke survivors suffer, leading to limited mobility and long-term negative impacts on their quality of life. Although a variety of exoskeleton controls…

Robotics · Computer Science 2025-03-25 Yuepeng Qian , Jingfeng Xiong , Haoyong Yu , Chenglong Fu

Back injuries are the most prevalent work-related musculoskeletal disorders and represent a major cause of disability. Although innovations in wearable robots aim to alleviate this hazard, the majority of existing exoskeletons are obtrusive…

Hand exoskeletons have significant potential in labor-intensive fields by mitigating hand grip fatigue, enhancing hand strength, and preventing injuries. However, most of the traditional hand exoskeletons are driven by motors, whose output…

Robotics · Computer Science 2025-10-09 Wenbo Li , Xianlong Mai , Ying Li , Weihua Li , Shiwu Zhang , Lei Deng , Shuaishuai Sun

Physical interaction between individuals plays an important role in human motor learning and performance during shared tasks. Using robotic devices, researchers have studied the effects of dyadic haptic interaction mostly focusing on the…

Robotics · Computer Science 2023-07-24 Emek Barış Küçüktabak , Yue Wen , Matthew Short , Efe Demirbaş , Kevin Lynch , Jose Pons

Upper-limb exoskeletons (ULEs) have the potential to restore functional independence in individuals with severe motor impairments; however, the clinical relevance of wrist degrees of freedom (DoF), particularly abduction-adduction (Ab-Ad),…

The ethical issues concerning the AI-based exoskeletons used in healthcare have already been studied literally rather than technically. How the ethical guidelines can be integrated into the development process has not been widely studied.…

Robotics · Computer Science 2024-10-23 Huaxi , Zhang , Melanie Fontaine , Marianne Huchard , Baptiste Mereaux , Olivier Remy-Neris

Positive biomechanical outcomes have been reported with lower-limb exoskeletons in laboratory settings, but these devices have difficulty delivering appropriate assistance in synchrony with human gait as the task or rate of phase…

Grasping is a fundamental skill for interacting with and manipulating objects in the environment. However, this ability can be challenging for individuals with hand impairments. Soft hand exoskeletons designed to assist grasping can enhance…

Robotics · Computer Science 2025-04-07 Chen Hu , Enrica Tricomi , Eojin Rho , Daekyum Kim , Lorenzo Masia , Shan Luo , Letizia Gionfrida

Exoskeletons play a crucial role in assisting patients with varying mobility levels during rehabilitation. However, existing control strategies face challenges such as imprecise trajectory tracking, interaction torque oscillations, and…

Chaotic Dynamics · Physics 2025-12-08 Zheng Sun , Wenkong Wang , Zizhong Wei , Xin Ma

Adapting upper-limb impedance (i.e., stiffness, damping, inertia) is essential for humans interacting with dynamic environments for executing grasping or manipulation tasks. On the other hand, control methods designed for state-of-the-art…

Robotics · Computer Science 2022-12-20 Laura Ferrante , Mohan Sridharan , Claudio Zito , Dario Farina

Underactuated manipulators reduce the number of bulky motors, thereby enabling compact and mechanically robust designs. However, fewer actuators than joints means that the manipulator can only access a specific manifold within the joint…

Robotics · Computer Science 2024-05-24 Sharfin Islam , Zhanpeng He , Matei Ciocarlie

Robotic manipulation in unstructured environments requires end-effectors that combine high kinematic dexterity with physical compliance. While traditional rigid hands rely on complex external sensors for safe interaction, electrohydraulic…

Using lower-limbs exoskeletons provides potential advantages in terms of productivity and safety associated with reduced stress. However, complex issues in human-robot interaction are still open, such as the physiological effects of…