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Dr Guowu Wei's Outputs (73)

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, 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.

Mechanisms and component design of prosthetic knees : a review from a biomechanical function perspective (2022)
Journal Article

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.

Design and validation of a polycentric hybrid knee prosthesis with electromagnet-controlled mode transition (2022)
Journal Article

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.

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

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.

A portable six-wheeled mobile robot with reconfigurable body and self-adaptable obstacle-climbing mechanisms (2022)
Journal Article
Song, Z., Luo, Z., Wei, G., & Shang, J. (2022). A portable six-wheeled mobile robot with reconfigurable body and self-adaptable obstacle-climbing mechanisms. Journal of Mechanisms and Robotics, 14(5), 051010. https://doi.org/10.1115/1.4053529

Mobile robots can replace rescuers in rescue and detection missions in complex and unstructured environments and draw the interest of many researchers. This paper presents a novel six-wheeled mobile robot with a reconfigurable body and self-adaptable... Read More about A portable six-wheeled mobile robot with reconfigurable body and self-adaptable obstacle-climbing mechanisms.

Biomechanical analysis of the effect of the finger extensor mechanism on hand grasping performance (2022)
Journal Article
Wei, Y., Zou, Z., Qian, Z., Ren, L., & Wei, G. (2022). Biomechanical analysis of the effect of the finger extensor mechanism on hand grasping performance. IEEE Transactions on Neural Systems and Rehabilitation Engineering, 30, 360-368. https://doi.org/10.1109/TNSRE.2022.3146906

Quantifying the effect of routing and topology of the inter-connected finger extensor mechanism on hand grasping performances is a long-standing research problem for the better clinical diagnosis, surgical planning and biomimetic hand development. Ho... Read More about Biomechanical analysis of the effect of the finger extensor mechanism on hand grasping performance.

Design and analysis of a six-wheeled companion robot with mechanical obstacle-overcoming adaptivity (2021)
Journal Article
Song, Z., Luo, Z., Wei, G., & Shang, J. (2021). Design and analysis of a six-wheeled companion robot with mechanical obstacle-overcoming adaptivity. Mechanical Sciences, 12(2), 1115-1136. https://doi.org/10.5194/ms-12-1115-2021

A six-wheeled companion exploration robot with an adaptive climbing mechanism is proposed and
released for the complicated terrain environment of planetary exploration. Benefiting from its three-rocker-arm
structure, the robot can adapt to complex... Read More about Design and analysis of a six-wheeled companion robot with mechanical obstacle-overcoming adaptivity.

Design and performance investigation of a robot-assisted flexible ureteroscopy system (2021)
Journal Article
Zhao, J., Li, J., Cui, L., Shi, C., & Wei, G. (2021). Design and performance investigation of a robot-assisted flexible ureteroscopy system. Applied Bionics and Biomechanics, 2021, 6911202. https://doi.org/10.1155/2021/6911202

Flexible ureteroscopy (FURS) has been developed and has become a preferred routine procedure for both diagnosis and treatment of kidney stones and other renal diseases inside the urinary tract. The traditional manual FURS procedure is highly skill-de... Read More about Design and performance investigation of a robot-assisted flexible ureteroscopy system.

Tension vector and structure matrix associated force sensitivity of a 6-DOF cable-driven parallel robot (2021)
Journal Article
Chen, Q., Lin, Q., Wei, G., & Ren, L. (2022). Tension vector and structure matrix associated force sensitivity of a 6-DOF cable-driven parallel robot. Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, 236(1), 100-114. https://doi.org/10.1177/09544062211026344

This paper investigates the force sensitivity of 6-DOF cable-driven parallel robots (CDPRs) in order to propose a better force measurement device. Kinematics and dynamics for a CDPR of n-DOF are deduced and formulated, and algorithms for calculating... Read More about Tension vector and structure matrix associated force sensitivity of a 6-DOF cable-driven parallel robot.

Low-cost multisensor integrated system for online walking gait detection (2021)
Journal Article
Yan, L., Wei, G., Hu, Z., Xiu, H., Wei, Y., & Ren, L. (2021). Low-cost multisensor integrated system for online walking gait detection. Journal of Sensors, 2021, 6378514. https://doi.org/10.1155/2021/6378514

A three-dimensional motion capture system is a useful tool for analysing gait patterns during walking or exercising, and it is frequently applied in biomechanical studies. However, most of them are expensive. This study designs a low-cost gait detect... Read More about Low-cost multisensor integrated system for online walking gait detection.