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An Improved Extreme Learning Machine (ELM) Algorithm for Intent Recognition of Transfemoral Amputees With Powered Knee Prosthesis (2024)
Journal Article
Zhang, Y., Wang, X., Xiu, H., Chen, W., Ma, Y., Wei, G., …Ren, L. (2024). An Improved Extreme Learning Machine (ELM) Algorithm for Intent Recognition of Transfemoral Amputees With Powered Knee Prosthesis. IEEE Transactions on Neural Systems and Rehabilitation Engineering, 32, 1757-1766. https://doi.org/10.1109/tnsre.2024.3394618

To overcome the challenges posed by the complex structure and large parameter requirements of existing classification models, the authors propose an improved extreme learning machine (ELM) classifier for human locomotion intent recognition in this st... Read More about An Improved Extreme Learning Machine (ELM) Algorithm for Intent Recognition of Transfemoral Amputees With Powered Knee Prosthesis.

Enhancing Gearbox Fault Diagnosis through Advanced Feature Engineering and Data Segmentation Techniques (2024)
Journal Article
Shukla, K., Holderbaum, W., Theodoridis, T., & Wei, G. (in press). Enhancing Gearbox Fault Diagnosis through Advanced Feature Engineering and Data Segmentation Techniques. Machines, 12(4), 261. https://doi.org/10.3390/machines12040261

Efficient gearbox fault diagnosis is crucial for the cost-effective maintenance and reliable operation of rotating machinery. Despite extensive research, effective fault diagnosis remains challenging due to the multitude of features available for cla... Read More about Enhancing Gearbox Fault Diagnosis through Advanced Feature Engineering and Data Segmentation Techniques.

Sarrus-inspired deployable polyhedral mechanisms (2024)
Journal Article
Gu, Y., Zhang, X., Wei, G., & Chen, Y. (2024). Sarrus-inspired deployable polyhedral mechanisms. Mechanism and Machine Theory, 193, 105564. https://doi.org/10.1016/j.mechmachtheory.2023.105564

Deployable polyhedral mechanisms (DPMs) have witnessed flourishing growth in recent years because of their potential applications in robotics, space exploration, structure engineering, and so forth. This paper firstly presents the construction, mobil... Read More about Sarrus-inspired deployable polyhedral mechanisms.

Hamiltonian-path based constraint reduction for deployable polyhedral mechanisms (2023)
Journal Article
Gu, Y., Zhang, X., Wei, G., & Chen, Y. (in press). Hamiltonian-path based constraint reduction for deployable polyhedral mechanisms. Mechanism and Machine Theory, 193, 105563. https://doi.org/10.1016/j.mechmachtheory.2023.105563

Most of the deployable polyhedral mechanisms (DPMs) are multi-loop overconstrained mechanisms that causes barriers for their applications due to the issues in assembly, operation and control. Yet, constraint reduction for these mult... Read More about Hamiltonian-path based constraint reduction for deployable polyhedral mechanisms.

Fully 3D printed flexible, conformal and multi-directional tactile sensor with integrated biomimetic and auxetic structure (2023)
Journal Article
Wei, Y., Li, B., Domingos, M., Qian, Z., Zhu, Y., Yan, L., …Wei, G. (in press). Fully 3D printed flexible, conformal and multi-directional tactile sensor with integrated biomimetic and auxetic structure. #Journal not on list, 2(1), 80. https://doi.org/10.1038/s44172-023-00131-x

Tactile sensors play a crucial role in the development of biologically inspired robotic prostheses, particularly in providing tactile feedback. However, existing sensing technology still falls short in terms of sensitivity under high pressure and ada... Read More about Fully 3D printed flexible, conformal and multi-directional tactile sensor with integrated biomimetic and auxetic structure.

Using an EeonTex Conductive Stretchable Elastic Fibre for Hand Action Recognition (2023)
Journal Article
Abdul-Hussain, G., Holderbaum, W., Theodoridis, T., Wei, G., El-Hussieny, H., & Ferriz-Papi, J. A. (in press). Using an EeonTex Conductive Stretchable Elastic Fibre for Hand Action Recognition. Advances in Science and Technology, 133, 3-10. https://doi.org/10.4028/p-eeodk5

Tactile sensors in wearable devices have gained attention for their potential applications in enhancing amenability, generation, and functionality for the human body, including sensing and control. This study elaborates on the design of a tactile sen... Read More about Using an EeonTex Conductive Stretchable Elastic Fibre for Hand Action Recognition.

X-crossing pneumatic artificial muscles (2023)
Journal Article
Feng, M., Yang, D., Ren, L., Wei, G., & Gu, G. (2023). X-crossing pneumatic artificial muscles. Science Advances, 9(38), https://doi.org/10.1126/sciadv.adi7133

Artificial muscles are promising in soft exoskeletons, locomotion robots, and operation machines. However, their performance in contraction ratio, output force, and dynamic response is often imbalanced and limited by materials, structures, or actuati... Read More about X-crossing pneumatic artificial muscles.

Modified Nonlinear Hysteresis Approach for a Tactile Sensor (2023)
Journal Article
Abdul-Hussain, G., Holderbaum, W., Theodoridis, T., & Wei, G. (in press). Modified Nonlinear Hysteresis Approach for a Tactile Sensor. Sensors, 23(16), 7293. https://doi.org/10.3390/s23167293

Soft tactile sensors based on piezoresistive materials have large-area sensing applications. However, their accuracy is often affected by hysteresis which poses a significant challenge during operation. This paper introduces a novel approach that emp... Read More about Modified Nonlinear Hysteresis Approach for a Tactile Sensor.

Design and Evaluation of a Smooth-Locking-Based Customizable Prosthetic Knee Joint (2023)
Journal Article
Wang, K., Williams, H., Qian, Z., Wei, G., Xiu, H., Chen, W., …Ren, L. (2024). Design and Evaluation of a Smooth-Locking-Based Customizable Prosthetic Knee Joint. Journal of Mechanisms and Robotics, 16(4), https://doi.org/10.1115/1.4062498

Limb loss affects many people from a variety of backgrounds around the world. The most advanced commercially available prostheses for transfemoral amputees are fully active (powered) designs but remain very expensive and unavailable in the developing... Read More about Design and Evaluation of a Smooth-Locking-Based Customizable Prosthetic Knee Joint.

Design, Dimensional Synthesis and Evaluation of a Novel Two-Degrees-of-Freedom Spherical Remote Center of Motion Mechanism for Minimally Invasive Surgery (2023)
Journal Article
Li, J., Wang, J., Zhao, J., & Wei, G. (in press). Design, Dimensional Synthesis and Evaluation of a Novel Two-Degrees-of-Freedom Spherical Remote Center of Motion Mechanism for Minimally Invasive Surgery. Journal of Mechanisms and Robotics, 1-38. https://doi.org/10.1115/1.4062673

With the development of minimally invasive surgery (MIS) technology, higher requirements are put forward for the performance of remote center of motion (RCM) manipulator. This paper presents the conceptual design of a novel two degrees of freedom (2-... Read More about Design, Dimensional Synthesis and Evaluation of a Novel Two-Degrees-of-Freedom Spherical Remote Center of Motion Mechanism for Minimally Invasive Surgery.

Self-adaptive obstacle crossing of an AntiBot from reconfiguration control and mechanical adaptation (2023)
Journal Article
Song, Z., Luo, Z., Wei, G., & Shang, J. (2023). Self-adaptive obstacle crossing of an AntiBot from reconfiguration control and mechanical adaptation. Journal of Mechanisms and Robotics, 1-82. https://doi.org/10.1115/1.4056601

One drawback of wheeled robots is hard to conquer large obstacles and perform well on complicated terrains, which limits its application in rescue missions. To provide a solution to this issue, an ant-like six-wheeled reconfigurable robot, called Ant... Read More about Self-adaptive obstacle crossing of an AntiBot from reconfiguration control and mechanical adaptation.

Biomechanical analysis of the effect of finger joint configuration on hand grasping performance: rigid vs flexible (2022)
Journal Article
Wei, Y., Zou, Z., Qian, Z., Ren, L., & Wei, G. (2022). Biomechanical analysis of the effect of finger joint configuration on hand grasping performance: rigid vs flexible. IEEE Transactions on Neural Systems and Rehabilitation Engineering, 1-1. https://doi.org/10.1109/tnsre.2022.3229165

Human finger joints are conventionally simplified as rigid joints in robotic hand design and biomechanical hand modelling, due to their anatomic and morphologic complexity. However, our understanding of the effect of the finger joint configuration on... Read More about Biomechanical analysis of the effect of finger joint configuration on hand grasping performance: rigid vs flexible.

Energy Flow and Functional Behavior of Individual Muscles at Different Speeds During Human Walking (2022)
Journal Article
Hu, Z., Ren, L., Wei, G., Qian, Z., Liang, W., Chen, W., …Wang, K. (2022). Energy Flow and Functional Behavior of Individual Muscles at Different Speeds During Human Walking. IEEE Transactions on Neural Systems and Rehabilitation Engineering, 31, 294-303. https://doi.org/10.1109/tnsre.2022.3221986

Understanding the distinct functions of human muscles could not only help professionals obtain insights into the underlying mechanisms that we accommodate compromised neuromuscular system, but also assist engineers in developing rehabilitation device... Read More about Energy Flow and Functional Behavior of Individual Muscles at Different Speeds During Human Walking.

Mechanisms and component design of prosthetic knees : a review from a biomechanical function perspective (2022)
Journal Article
Liang, W., Qian, Z., Chen, W., Song, H., Cao, Y., Wei, G., …Ren, L. (2022). Mechanisms and component design of prosthetic knees : a review from a biomechanical function perspective. Frontiers in Bioengineering and Biotechnology, 10, https://doi.org/10.3389/fbioe.2022.950110

Prosthetic knees are state-of-the-art medical devices that use mechanical mechanisms and components to simulate the normal biological knee function for individuals with transfemoral amputation. A large variety of complicated mechanical mechanisms and... Read More about Mechanisms and component design of prosthetic knees : a review from a biomechanical function perspective.

An Anthropomorphic Robotic Finger With Innate Human-Finger-Like Biomechanical Advantages Part II: Flexible Tendon Sheath and Grasping Demonstration (2022)
Journal Article
Zhu, Y., Wei, G., Ren, L., Luo, Z., & Shang, J. (2022). An Anthropomorphic Robotic Finger With Innate Human-Finger-Like Biomechanical Advantages Part II: Flexible Tendon Sheath and Grasping Demonstration. IEEE transactions on robotics : a publication of the IEEE Robotics and Automation Society, 39(1), 505-520. https://doi.org/10.1109/tro.2022.3200143

The human hand has a fantastic ability to interact with various objects in the dynamic unstructured environment of our daily activities. We believe that this outstanding performance benefits a lot from the unique biological features of the hand muscu... Read More about An Anthropomorphic Robotic Finger With Innate Human-Finger-Like Biomechanical Advantages Part II: Flexible Tendon Sheath and Grasping Demonstration.

Design and validation of a polycentric hybrid knee prosthesis with electromagnet-controlled mode transition (2022)
Journal Article
Wang, X., Xiu, H., Zhang, Y., Liang, W., Chen, W., Wei, G., …Ren, L. (2022). Design and validation of a polycentric hybrid knee prosthesis with electromagnet-controlled mode transition. IEEE robotics and automation letters, 7(4), 10502-10509. https://doi.org/10.1109/lra.2022.3193462

A hybrid knee prosthesis is proposed in this letter, which consists of a polycentric structure in passive mode for low-torque activities and a single-axis structure in active mode for high-torque activities. A novel mode transition mechanism controls... Read More about Design and validation of a polycentric hybrid knee prosthesis with electromagnet-controlled mode transition.

From skin mechanics to tactile neural coding: Predicting afferent neural dynamics during active touch and perception (2022)
Journal Article
Wei, Y., Mcglone, F., Marshall, A., Makdani, A., Zou, Z., Ren, L., & Wei, G. (2022). From skin mechanics to tactile neural coding: Predicting afferent neural dynamics during active touch and perception. IEEE Transactions on Biomedical Engineering, 69(2), 3748-3759. https://doi.org/10.1109/TBME.2022.3177006

First order cutaneous neurons allow object recognition, texture discrimination, and sensorimotor feedback. Their function is well-investigated under passive stimulation while their role during active touch or sensorimotor control is understudied. To... Read More about From skin mechanics to tactile neural coding: Predicting afferent neural dynamics during active touch and perception.

Analysis and validation of a 3D finite element model for human forearm fracture. (2022)
Journal Article
Liu, J., Mustafa, A., Lees, V. C., Qian, Z., Wei, G., Lu, X., …Wang, K. (2022). Analysis and validation of a 3D finite element model for human forearm fracture. International Journal for Numerical Methods in Biomedical Engineering, 38(9), e3617. https://doi.org/10.1002/cnm.3617

Most researchers have performed finite element (FE) analysis of the human forearm fracture by exploring the strength and load transmission of the bones. However, few studies concentrated a complete simulation of the whole forearm complex including li... Read More about Analysis and validation of a 3D finite element model for human forearm fracture..

Reproduction of the mechanical behavior of ligament and tendon for artificial joint using bioinspired 3d braided fibers (2022)
Journal Article
Lu, X., Ren, L., Wang, K., Wei, G., Qian, Z., Liang, W., & Ren, L. (2022). Reproduction of the mechanical behavior of ligament and tendon for artificial joint using bioinspired 3d braided fibers. IEEE Transactions on Neural Systems and Rehabilitation Engineering, 30, 1172-1180. https://doi.org/10.1109/tnsre.2022.3170892

The level of joint laxity, which is an indicator of accurate diagnosis for musculoskeletal conditions is manually determined by a physician. Studying joint laxity via artificial joints is an efficient and economical way to improve patient experience... Read More about Reproduction of the mechanical behavior of ligament and tendon for artificial joint using bioinspired 3d braided fibers.

Design, development, and clinical validation of a two degrees of freedom compliant ankle-foot prosthesis based on a 4-4r parallel mechanism (2022)
Journal Article
Xiu, H., Han, Y., Wang, X., Zhang, Y., Liang, W., Wei, G., …Ren, L. (2022). Design, development, and clinical validation of a two degrees of freedom compliant ankle-foot prosthesis based on a 4-4r parallel mechanism. Mechanism and Machine Theory, 172, 104818. https://doi.org/10.1016/j.mechmachtheory.2022.104818

Compared with active prostheses, passive compliant ankle prostheses offer the advantages of reduced energy consumption, a lighter weight, a simple structure, and lower costs. However, although various commercial products are available, these designs... Read More about Design, development, and clinical validation of a two degrees of freedom compliant ankle-foot prosthesis based on a 4-4r parallel mechanism.