AIMC Topic: Mechanical Phenomena

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Efficient approximation of cardiac mechanics through reduced-order modeling with deep learning-based operator approximation.

International journal for numerical methods in biomedical engineering Nov 3, 2023
Reducing the computational time required by high-fidelity, full-order models (FOMs) for the solution of problems in cardiac mechanics is crucial to allow the translation of patient-specific simulations into clinical practice. Indeed, while FOMs, such...
Humans Heart Ventricles Mechanical Phenomena Heart Deep Learning
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Touch, press and stroke: a soft capacitive sensor skin.

Scientific reports Oct 25, 2023
Soft sensors that can discriminate shear and normal force could help provide machines the fine control desirable for safe and effective physical interactions with people. A capacitive sensor is made for this purpose, composed of patterned elastomer a...
Humans Robotics Touch Mechanical Phenomena
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Improved precise guidewire delivery of a cardiovascular interventional surgery robot based on admittance control.

International journal of computer assisted radiology and surgery Oct 3, 2023
PURPOSE: The development of cardiovascular interventional surgery robots can realize master-slave interventional operations, which will effectively solve the problem of surgeons being injured by X-ray radiation. The delivery accuracy and safety of in...
Mechanical Phenomena Vascular Surgical Procedures Robotics Robotic Surgical Procedures Equipment Design Humans
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Portable Device to Assist With Force Control in Ultrasound Acquisition.

IEEE transactions on ultrasonics, ferroelectrics, and frequency control Aug 29, 2023
This study presents a portable device that ensures precise contact force between a subject and a probe to improve the stability and reproducibility of ultrasound (US) acquisition. The mechanical portion of the device includes a servo motor, gears, an...
Ultrasonography Robotics Reproducibility of Results Movement Mechanical Phenomena Humans
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Kinematic modelling and experimental testing of a particle-jamming soft robot based on a DEM-FEM coupling method.

Bioinspiration & biomimetics Jun 19, 2023
Particle-jamming soft robots are characterised by high flexibility in motion and high stiffness when executing a task. Regarding particle jamming of soft robots, the discrete element method (DEM)-finite element method (FEM) coupling was used for mode...
Motion Mechanical Phenomena Robotics Equipment Design Biomechanical Phenomena
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Modeling contact forces during human-robot interactions for performing activities of daily living.

Proceedings of the Institution of Mechanical Engineers. Part H, Journal of engineering in medicine Jun 10, 2023
This study aims to characterize contact forces between humans and tools during activities of daily living (ADL) to provide information to a personal care robot. The study was conducted on non-impaired subjects to capture various static and dynamic fo...
Robotics Humans Mechanical Phenomena Activities of Daily Living
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Enhancing Robotic-Based Propeller Blade Sharpening Efficiency with a Laser-Vision Sensor and a Force Compliance Mechanism.

Sensors (Basel, Switzerland) Jun 3, 2023
The edge sharpness of a propeller blade plays a vital role in improving energy transmission efficiency and reducing the power required to propel the vehicle. However, producing finely sharpened edges through casting is challenging due to the risk of ...
Robotic Surgical Procedures Mechanical Phenomena Robotics Reproducibility of Results Lasers
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A Modular 3-Degrees-of-Freedom Force Sensor for Robot-Assisted Minimally Invasive Surgery Research.

Sensors (Basel, Switzerland) May 31, 2023
Effective force modulation during tissue manipulation is important for ensuring safe, robot-assisted, minimally invasive surgery (RMIS). Strict requirements for in vivo applications have led to prior sensor designs that trade off ease of manufacture ...
Minimally Invasive Surgical Procedures Equipment Design Feedback Mechanical Phenomena Robotics Robotic Surgical Procedures
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Versatile end effector for laparoscopic robotic scrub nurse.

International journal of computer assisted radiology and surgery May 8, 2023
PURPOSE: Integrating robotic scrub nurses in the operating room has the potential to help overcome staff shortages and limited use of available operating capacities in hospitals. Existing approaches of robotic scrub nurses are mainly focused on open ...
Mechanical Phenomena Laparoscopy Robotic Surgical Procedures Robotics Humans Hand Strength
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A Novel Master-Slave Interventional Surgery Robot with Force Feedback and Collaborative Operation.

Sensors (Basel, Switzerland) Mar 29, 2023
In recent years, master-slave vascular robots have been developed to address the problem of radiation exposure during vascular interventions for surgeons. However, the single visual feedback reduces surgeon immersion and transparency of the system. I...
Robotic Surgical Procedures Mechanical Phenomena Robotics Feedback Equipment Design
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