Bionic Technology—Robotic Exoskeletons and Prostheses: 3rd Edition

A special issue of Biomimetics (ISSN 2313-7673). This special issue belongs to the section "Locomotion and Bioinspired Robotics".

Deadline for manuscript submissions: 30 November 2025 | Viewed by 1531

Special Issue Editor


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Guest Editor
Department of Mechanical Engineering, Universidade Federal do Espírito Santo, Vitória, Brazil
Interests: mechanical engineering; biomechanics; motion analysis; bioengineering; biomechatronics; robotic rehabilitation; medical robotics; bionics; design and control of prostheses, orthoses, and exoskeletons; user-robot interaction; soft robot
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Special Issue Information

Dear Colleagues,

Bionic technology has been successfully used to enhance human capabilities and improve the quality of life of disabled people. Recent advances in robotics, mechatronics, data science, soft robotics, neuroscience, photonics, and electronics have paved the way for a new generation of robotic prostheses and exoskeletons. However, the development of wearable robots is highly challenging. These systems should be lightweight and powerful enough to replace or support the limbs and capable of safely interacting with the user physically and cognitively.

For this Special Issue, entitled “Bionic Technology—Robotic Exoskeletons and Prostheses: 3rd Edition”, we call for contributions from researchers in the field of biomechatronics that cover design and control, exoskeletons, prostheses, physical and cognitive user–robot interaction in wearable robots, and medical robots and bionic devices, among other relevant topics.

Dr. Rafhael Milanezi de Andrade
Guest Editor

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Keywords

  • prosthetics and exoskeletons
  • rehabilitation robotics
  • physical human–robot interaction
  • cognitive human–robot interaction
  • wearable robotics
  • medical robots and systems
  • design and control
  • bioinspired robot learning
  • machine learning for robot control
  • soft robots

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Published Papers (2 papers)

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Research

17 pages, 2502 KB  
Article
A Biomimetic Treadmill-Driven Ankle Exoskeleton: A Study in Able-Bodied Individuals
by Matej Tomc, Matjaž Zadravec, Andrej Olenšek and Zlatko Matjačić
Biomimetics 2025, 10(9), 635; https://doi.org/10.3390/biomimetics10090635 - 21 Sep 2025
Viewed by 538
Abstract
Despite rapid growth in the body of research on ankle exoskeletons, we have so far not seen their massive adoption in clinical rehabilitation. We foresee that an ankle exo best suited to rehabilitation use should possess the power generation capabilities of state-of-the-art active [...] Read more.
Despite rapid growth in the body of research on ankle exoskeletons, we have so far not seen their massive adoption in clinical rehabilitation. We foresee that an ankle exo best suited to rehabilitation use should possess the power generation capabilities of state-of-the-art active exos as well as the simplistic control and inherently suitable assistance timing seen in passive exos. In this paper we present and evaluate our attempt to create such a hybrid device: an Ankle Exoskeleton with Treadmill Actuation for Push-off Assistance. Using our device, we assisted a group of able-bodied individuals in generating ankle plantarflexion torque and power while measuring changes in biomechanics and electromyographic activity. Changes were mostly contained to the ankle joint, where a reduction in biological power and torque generation was observed in proportion to provided exo assistance. Assistance was comparable to state-of-the-art active exos in both timing and torque trajectory shape and well synchronized with the user’s own biological efforts, despite using a very simplistic controller. Full article
(This article belongs to the Special Issue Bionic Technology—Robotic Exoskeletons and Prostheses: 3rd Edition)
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18 pages, 4937 KB  
Article
Cam-Based Simple Design of Constant-Force Suspension Backpack to Isolate Dynamic Load
by Haotian Ju, Zihang Guan, Junchen Liu, Yao Huang, Kerui Sun, Lele Li, Weimao Wang, Tianjiao Zheng, Quan Xiong, Jie Zhao and Yanhe Zhu
Biomimetics 2025, 10(9), 607; https://doi.org/10.3390/biomimetics10090607 - 10 Sep 2025
Viewed by 617
Abstract
Prolonged load carriage with ordinary backpacks (OBs) can cause muscle fatigue and skeletal injuries. Research indicates that suspended backpacks can effectively reduce energy expenditure; however, existing elastic rope-based suspension backpacks struggle to adapt to different speeds, while active suspension backpacks gain significant additional [...] Read more.
Prolonged load carriage with ordinary backpacks (OBs) can cause muscle fatigue and skeletal injuries. Research indicates that suspended backpacks can effectively reduce energy expenditure; however, existing elastic rope-based suspension backpacks struggle to adapt to different speeds, while active suspension backpacks gain significant additional weight due to the incorporated motors and batteries. This paper presents a novel cam-based constant-force suspension backpack (CCSB). The CCSB employs a cam–spring mechanism with near-zero suspension stiffness to minimize the inertial forces generated by load oscillations. A test platform was constructed to evaluate the constant-force performance of the mechanism, showing a maximum error of less than 1.96%. Load-carrying experiments were conducted at different walking speeds. Laboratory test results show that, compared with OBs, the CCSB reduces peak accelerative vertical force by an average of 84.47% and reduces human metabolic costs by 10.58%. Outdoor tests show that the CCSB can reduce transportation consumption by 8.26%. The CCSB’s compact structure makes it more suitable for commercialization and demonstrates significant potential for practical applications. Full article
(This article belongs to the Special Issue Bionic Technology—Robotic Exoskeletons and Prostheses: 3rd Edition)
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