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Biomimetics, Volume 10, Issue 9

2025 September - 83 articles

Cover Story: Exoskeletons support rehabilitation of motor dysfunctions by complementing patient effort in achieving intended movements, a task requiring precise online control. We investigated Deep Learning (DL) models to predict gait phases (stance/swing) from sEMG during assisted walking, exploiting early muscle activation relative to limb motion and adjusting the joint kinematics-based labeling. A cross-subject design improved generalization, and hyperparameter tuning reduced model size. Using a trade-off score (TOS) for cost–performance analysis, we identified a DL model achieving ~95% accuracy with <10 ms computation, enabling accurate online exoskeleton control in realistic scenarios. View this paper
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Articles (83)

  • Article
  • Open Access
970 Views
23 Pages

22 September 2025

The basic Salp Swarm Algorithm (SSA) offers advantages such as a simple structure and few parameters. However, it is prone to falling into local optima and remains inadequate for seed classification tasks that involve hyperparameter optimization of m...

  • Article
  • Open Access
1 Citations
770 Views
17 Pages

Towards Health Status Determination and Local Weather Forecasts from Vitis vinifera Electrome

  • Alessandro Chiolerio,
  • Federico Taranto and
  • Giuseppe Piero Brandino

22 September 2025

Recent advances in plant electrophysiology and machine learning suggest that bioelectric signals in plants may encode environmentally relevant information beyond physiological processes. In this study, we present a novel framework to analyse waveform...

  • Article
  • Open Access
1 Citations
1,299 Views
25 Pages

22 September 2025

Existing research has preliminarily achieved stable walking in humanoid robots; however, natural human-like leg motion and adaptive capabilities in dynamic environments remain unattained. This paper proposes a bionic central pattern generator (CPG) g...

  • Article
  • Open Access
983 Views
17 Pages

A Biomimetic Treadmill-Driven Ankle Exoskeleton: A Study in Able-Bodied Individuals

  • Matej Tomc,
  • Matjaž Zadravec,
  • Andrej Olenšek and
  • Zlatko Matjačić

21 September 2025

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 capabili...

  • Perspective
  • Open Access
1 Citations
2,687 Views
16 Pages

Novel Clinical Applications of 3D-Printed Highly Porous Titanium for Off-the-Shelf Cementless Joint Replacement Prostheses

  • Domenico Tigani,
  • Luigigiuseppe Lamattina,
  • Nicole Puteo,
  • Cesare Donadono,
  • Lorenzo Banci,
  • Marta Colombo,
  • Alex Pizzo and
  • Andrea Assenza

20 September 2025

In total joint replacement, early aseptic loosening of implants caused by inadequate initial fixation and late aseptic loosening due to stress shielding-related periprosthetic bone remodeling are the main causes of failure. Over the last two decades,...

  • Article
  • Open Access
706 Views
20 Pages

19 September 2025

Developing solutions for complex optimization problems is fundamental to progress in many scientific and engineering disciplines. The Flower Fertilization Optimization (FFO) algorithm, a powerful metaheuristic inspired by the reproductive processes o...

  • Review
  • Open Access
2 Citations
2,699 Views
20 Pages

Bonding Strategies for Zirconia Fixed Restorations: A Scoping Review of Surface Treatments, Cementation Protocols, and Long-Term Durability

  • Iulian-Costin Lupu,
  • Monica Silvia Tatarciuc,
  • Anca Mihaela Vitalariu,
  • Livia Bobu,
  • Diana Antonela Diaconu,
  • Roxana-Ionela Vasluianu,
  • Ovidiu Stamatin,
  • Cosmin Ionut Cretu and
  • Ana Maria Dima

19 September 2025

Zirconia’s superior mechanical properties and biocompatibility have made it a cornerstone of modern prosthodontics, yet achieving durable biomimetic bonding to tooth structure remains a challenge. This scoping review synthesizes evidence on bon...

  • Article
  • Open Access
666 Views
18 Pages

Effect of Surface Morphology and Texture of Short-Tailed Shrew’s Toe on Tribological Properties of 65Mn Steel

  • Yachao Zhang,
  • Jian Zhang,
  • Wengang Chen,
  • Haijun Wang,
  • Zhaoling Qiu,
  • Wen Wang,
  • Yali Zhang and
  • Dongyang Li

18 September 2025

To reduce the friction coefficient and wear in tillage machinery during operation, biomimetic textures with different densities inspired by the short-tailed shrew’s claw were designed using biomimetic principles. These textures were applied to...

  • Article
  • Open Access
1 Citations
2,713 Views
18 Pages

17 September 2025

Assessing the driver’s state in real time is a critical challenge in modern vehicle safety systems, as human factors account for the vast majority of traffic accidents. Heart rate (HR) is a key physiological indicator of the driver’s cond...

  • Article
  • Open Access
669 Views
37 Pages

17 September 2025

The greater cane rat algorithm (GCRA) is a swarm intelligence algorithm inspired by the discerning and intelligent foraging behavior of the greater cane rats, which facilitates mating during the rainy season and non-mating during the dry season. Howe...

  • Review
  • Open Access
1 Citations
706 Views
33 Pages

17 September 2025

Attraction–Repulsion Optimisation Algorithm (AROA) is a newly proposed metaheuristic algorithm for solving global optimisation problems, which simulates the equilibrium relating to the attraction and repulsion phenomenon that occurs in the natu...

  • Article
  • Open Access
820 Views
18 Pages

17 September 2025

Articulated tracked robots (ATRs) equipped with dual active flippers are widely used due to their ability to climb over complex obstacles like animals with legs. This paper presents a novel planning framework designed to empower ATRs with the capabil...

  • Article
  • Open Access
4 Citations
1,508 Views
29 Pages

17 September 2025

Converting biological strategies into practical design principles during the Discover–Abstract phase of the Biomimicry Design Spiral (BSD) presents a considerable obstacle, particularly for designers lacking a biological background. This resear...

  • Article
  • Open Access
583 Views
23 Pages

Bio-Inspired Teleoperation Control: Unified Rapid Tracking, Compliant and Safe Interaction

  • Chuang Cheng,
  • Haoran Xiao,
  • Wei Dai,
  • Yantong Wei,
  • Yanjie Chen,
  • Hui Zhang and
  • Huimin Lu

16 September 2025

In robotic teleoperation, the simultaneous realization of rapid tracking, compliance, and safe interaction presents a fundamental control challenge. This challenge stems from a critical trade-off: high-stiffness controllers achieve rapid tracking but...

  • Review
  • Open Access
2 Citations
5,017 Views
46 Pages

16 September 2025

Organoids, self-organizing, three-dimensional (3D) multicellular structures derived from tissues or stem cells, offer physiologically relevant models for studying human development and disease. Compared to conventional two-dimensional (2D) cell cultu...

  • Article
  • Open Access
1,179 Views
20 Pages

16 September 2025

The phase detection of abnormal gait and the prediction of lower-limb angles are key challenges in controlling lower-limb exoskeletons. This study simulated three types of abnormal gaits: scissor gait, foot-drop gait, and staggering gait. To enhance...

  • Article
  • Open Access
2 Citations
974 Views
20 Pages

16 September 2025

The peregrine falcon, known as the fastest bird in the world, has been studied for its ability to stabilize during high-speed dives, a capability attributed to the configuration of its dorsal feathers. These feathers have inspired the design of vorte...

  • Article
  • Open Access
1 Citations
1,375 Views
24 Pages

Data-Driven Twisted String Actuation for Lightweight and Compliant Anthropomorphic Dexterous Hands

  • Zhiyao Zheng,
  • Jingwei Zhan,
  • Zhaochun Li,
  • Yucheng Wang,
  • Chanchan Xu and
  • Xiaojie Wang

15 September 2025

Anthropomorphic dexterous hands are crucial for robotic interaction in unstructured environments, yet their performance is often constrained by traditional actuation systems, which suffer from excessive weight, complexity, and limited compliance. Twi...

  • Article
  • Open Access
1,184 Views
50 Pages

Improved Multi-Strategy Aquila Optimizer for Engineering Optimization Problems

  • Honglin Kan,
  • Yaping Xiao,
  • Zhiliang Gao and
  • Xuan Zhang

15 September 2025

The Aquila Optimizer (AO) is a novel and efficient optimization algorithm inspired by the hunting and searching behavior of Aquila. However, the AO faces limitations when tackling high-dimensional and complex optimization problems due to insufficient...

  • Article
  • Open Access
2,147 Views
20 Pages

CF-PEEK vs. Titanium Dental Implants: Stress Distribution and Fatigue Performance in Variable Bone Qualities

  • Nurdan Polat Sağsöz,
  • Fahri Murat,
  • Sema Nur Sevinç Gül,
  • Abdullah Tahir Şensoy and
  • Irfan Kaymaz

14 September 2025

This study aims to evaluate the biomechanical behavior of titanium and carbon fiber-reinforced polyetheretherketone (CF-PEEK) dental implants under varying bone densities and loading conditions using finite element analysis (FEA). A single-tooth mand...

  • Article
  • Open Access
877 Views
18 Pages

Power Restoration Optimization Strategy for Active Distribution Networks Using Improved Genetic Algorithm

  • Pengpeng Lyu,
  • Qiangsheng Bu,
  • Yu Liu,
  • Jiangping Jing,
  • Jinfeng Hu,
  • Lei Su and
  • Yundi Chu

14 September 2025

During feeder outages in the distribution network, localized power restoration using distribution resources (e.g., PVs) can ensure supply to critical loads and mitigate adverse impacts, especially when main grid support is unavailable. This study pre...

  • Article
  • Open Access
1 Citations
1,755 Views
25 Pages

Deep Learning Models Optimization for Gait Phase Identification from EMG Data During Exoskeleton-Assisted Walking

  • Roberto Soldi,
  • Bruna Maria Vittoria Guerra,
  • Stefania Sozzi,
  • Leo Russo,
  • Serena Pizzocaro,
  • Renato Baptista,
  • Alessandro Marco De Nunzio,
  • Micaela Schmid and
  • Stefano Ramat

13 September 2025

Exoskeletons are a fast-growing technology that enables multiple use-cases in clinical scenarios. They can be useful tools for the rehabilitation of patients with motor dysfunctions caused by neurological conditions, aging or trauma. Assistive exoske...

  • Article
  • Open Access
2 Citations
1,028 Views
58 Pages

12 September 2025

In recent years, numerical optimization, UAVs, and robot path planning have become hot research topics. Solving these fundamental artificial intelligence problems is crucial for further advancements. However, traditional methods struggle with complex...

  • Article
  • Open Access
897 Views
17 Pages

Design and Machine Learning Modeling of a Multi-Degree-of-Freedom Bionic Pneumatic Soft Actuator

  • Yu Zhang,
  • Linghui Peng,
  • Wenchuan Zhao,
  • Ning Wang and
  • Zheng Zhang

12 September 2025

A novel multi-degree-of-freedom bionic Soft Pneumatic Actuator (SPA) inspired by the shoulder joint of a sea turtle is proposed. The SPA is mainly composed of a combination of oblique chamber actuator units capable of omnidirectional bending and bi-d...

  • Article
  • Open Access
728 Views
18 Pages

11 September 2025

The widespread application of organoids in disease modeling and drug development is significantly constrained by challenges in automated quantitative analysis. In bright-field microscopy images, organoids exhibit complex characteristics, including ir...

  • Article
  • Open Access
1 Citations
1,314 Views
31 Pages

Human Activity Recognition with Noise-Injected Time-Distributed AlexNet

  • Sanjay Dutta,
  • Tossapon Boongoen and
  • Reyer Zwiggelaar

11 September 2025

This study investigates the integration of biologically inspired noise injection with a time-distributed adaptation of the AlexNet architecture to enhance the performance and robustness of human activity recognition (HAR) systems. It is a critical fi...

  • Article
  • Open Access
2 Citations
788 Views
23 Pages

10 September 2025

With the increasing deployment of unmanned surface vessels (USVs) in complex marine operations such as ocean monitoring, search and rescue, and military reconnaissance, precise heading control under environmental disturbances and system delays has be...

  • Article
  • Open Access
995 Views
51 Pages

10 September 2025

This study presents an improved variant of the greater cane rat algorithm (GCRA), called adaptive and global-guided greater cane rat algorithm (AGG-GCRA), which aims to alleviate some key limitations of the original GCRA regarding convergence speed,...

  • Article
  • Open Access
721 Views
23 Pages

10 September 2025

One of the essential parts of contemporary cryptographic systems is s-boxes (Substitution Boxes), which give encryption algorithms more complexity and resilience due to their nonlinear structure. In this study, we propose CSBA (Cuckoo Search–Be...

  • Article
  • Open Access
1,152 Views
19 Pages

10 September 2025

Background: Bone regeneration is a key therapeutic objective in periodontology, particularly in the treatment of alveolar defects caused by periodontal disease, dentoalveolar trauma, or surgical interventions. Among current regenerative strategies, c...

  • Article
  • Open Access
1 Citations
1,020 Views
17 Pages

10 September 2025

Accurately decoding human locomotion intention from physiological signals remains a significant hurdle for the seamless control of advanced rehabilitation devices like exoskeletons and intelligent prosthetics. Conventional recognition methods often f...

  • Article
  • Open Access
1,139 Views
18 Pages

Cam-Based Simple Design of Constant-Force Suspension Backpack to Isolate Dynamic Load

  • Haotian Ju,
  • Zihang Guan,
  • Junchen Liu,
  • Yao Huang,
  • Kerui Sun,
  • Lele Li,
  • Weimao Wang,
  • Tianjiao Zheng,
  • Quan Xiong and
  • Yanhe Zhu
  • + 1 author

10 September 2025

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 str...

  • Article
  • Open Access
935 Views
17 Pages

10 September 2025

Inspired by the free swing of coral tentacles driven by water currents to actively repel microbial attachment, we have identified a unique physical anti-fouling strategy: coral “swinging effect” anti-fouling. Taking the fleshy soft coral...

  • Article
  • Open Access
1,626 Views
30 Pages

A Concept for Bio-Agentic Visual Communication: Bridging Swarm Intelligence with Biological Analogues

  • Bryan Starbuck,
  • Hanlong Li,
  • Bryan Cochran,
  • Marc Weissburg and
  • Bert Bras

9 September 2025

Biological swarms communicate through decentralized, adaptive behaviors shaped by local interactions, selective attention, and symbolic signaling. These principles of animal communication enable robust coordination without centralized control or pers...

  • Article
  • Open Access
1,013 Views
16 Pages

9 September 2025

Animal locomotion in complex environments depends on the ability to adaptively regulate movement in response to substrate mechanics. Tree frogs (Polypedates dennysi), which combine jumping and adhesive capabilities, inhabit arboreal habitats with a w...

  • Article
  • Open Access
1,225 Views
20 Pages

9 September 2025

Human–robot interaction (HRI) via voice command has significantly advanced in recent years, with large Vision–Language–Action (VLA) models demonstrating particular promise in human–robot voice interaction. However, these syste...

  • Review
  • Open Access
1,333 Views
11 Pages

Bioinspired Approaches and Their Philosophical–Ethical Dimensions: A Narrative Review

  • Louisa Estadieu,
  • Julius Fenn,
  • Michael Gorki,
  • Philipp Höfele and
  • Oliver Müller

9 September 2025

The environmental crisis demands transformative solutions on both technological and societal levels. Bioinspired approaches, which draw from the principles of natural systems, have emerged as a promising interdisciplinary framework to address these c...

  • Article
  • Open Access
887 Views
16 Pages

8 September 2025

Antibacterial surfaces inspired by biological micro- and nanostructures, such as those found on the wings of cicadas and dragonflies, have attracted interest due to their ability to inhibit bacterial adhesion and damage microbial membranes without re...

  • Article
  • Open Access
849 Views
17 Pages

8 September 2025

Contact-force perception is a critical component of safe robotic grasping. With the rapid advances in embodied intelligence technology, humanoid robots have enhanced their multimodal perception capabilities. Conventional force sensors face limitation...

  • Article
  • Open Access
959 Views
11 Pages

8 September 2025

The intensifying freshwater crisis underscores the critical need for all-weather, low-energy atmospheric water harvesting technologies. Inspired by the scale-like protrusions and interconnected channels of Tillandsia leaves that enable efficient wate...

  • Communication
  • Open Access
1 Citations
1,075 Views
12 Pages

8 September 2025

The regeneration of large segmental bone defects remains a significant challenge. While electrical stimulation has demonstrated the potential to accelerate bone healing, clinical translation has been hindered by the lack of safe, localized delivery m...

  • Communication
  • Open Access
964 Views
11 Pages

Optimization Design of Haptic Units for Perception Feedback Interfaces Based on Vibrotactile Amplitude Modulation

  • Weichao Guo,
  • Jingchen Huang,
  • Lechuan Zhou,
  • Yun Fang,
  • Li Jiang and
  • Xinjun Sheng

7 September 2025

Tactile sensation is a crucial sensory pathway for humans to acquire information from the environment, and vibration feedback is one form of tactile feedback, offering advantages such as low cost, ease of integration, and high comfort. Avoiding mecha...

  • Article
  • Open Access
8 Citations
988 Views
41 Pages

6 September 2025

Multi-threshold image segmentation plays an irreplaceable role in extracting discriminative structural information from complex images. It is one of the core technologies for achieving accurate target detection and regional analysis, and its segmenta...

  • Systematic Review
  • Open Access
1,499 Views
22 Pages

A Systematic Review of Metal Composite Bone Grafts in Preclinical Spinal Fusion Models

  • Christian Rajkovic,
  • Mahnoor Shafi,
  • Naboneeta Sarkar,
  • Vaughn Hernandez,
  • Liwen Yang and
  • Timothy F. Witham

5 September 2025

Successful arthrodesis is a crucial factor in spinal fusion surgery, maximizing the likelihood of improved quality of life. The incorporation of metals into bone grafts has been demonstrated to enhance fusion rates through various osteoinductive and...

  • Review
  • Open Access
5 Citations
2,871 Views
29 Pages

Bioprinted Scaffolds for Biomimetic Applications: A State-of-the-Art Technology

  • Ille C. Gebeshuber,
  • Sayak Khawas,
  • Rishi Sharma and
  • Neelima Sharma

5 September 2025

This review emphasizes the latest developments in bioprinted scaffolds in tissue engineering, with a focus on their biomimetic applications. The accelerated pace of development of 3D bioprinting technologies has transformed the ability to fabricate s...

  • Article
  • Open Access
821 Views
16 Pages

5 September 2025

This paper is based on the fish lateral line sensing mechanism and aims to determine the coupling relationship between the flow field sensing signal and target source position information. Firstly, according to the flow field distribution characteris...

  • Article
  • Open Access
1 Citations
832 Views
33 Pages

5 September 2025

To address the issues of low convergence accuracy, poor population diversity, and susceptibility to local optima in the Red-billed Blue Magpie Optimization Algorithm (RBMO), this study proposes a multi-strategy improved Red-billed Blue Magpie Optimiz...

  • Article
  • Open Access
1 Citations
1,738 Views
26 Pages

LSTM-Enhanced TD3 and Behavior Cloning for UAV Trajectory Tracking Control

  • Yuanhang Qi,
  • Jintao Hu,
  • Fujie Wang and
  • Gewen Huang

4 September 2025

Unmanned aerial vehicles (UAVs) often face significant challenges in trajectory tracking within complex dynamic environments, where uncertainties, external disturbances, and nonlinear dynamics hinder accurate and stable control. To address this issue...

  • Review
  • Open Access
1 Citations
3,471 Views
24 Pages

4 September 2025

Suture materials are of pivotal importance in the process of wound healing, as they provide support to growing tissue. The application of suture materials is an intricate process that extends beyond mere closure of skin wounds. Rather, it encompasses...

  • Article
  • Open Access
971 Views
52 Pages

3 September 2025

To address the shortcomings of the RIME algorithm’s weak global exploration ability, insufficient information exchange among populations, and limited population diversity, this work proposes a distributed data-guided RIME algorithm called DRIME...

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Biomimetics - ISSN 2313-7673