AIMC Topic: Elasticity

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Magnetohydrodynamic levitation for high-performance flexible pumps.

Proceedings of the National Academy of Sciences of the United States of America Jul 11, 2022
We use magnetohydrodynamic levitation as a means to create a soft, elastomeric, solenoid-driven pump (ESP). We present a theoretical framework and fabrication of a pump designed to address the unique challenges of soft robotics, maintaining pumping p...
Heart-Assist Devices Elasticity Robotics Viscosity Prosthesis Design
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Neuromorphic computing chip with spatiotemporal elasticity for multi-intelligent-tasking robots.

Science robotics Jun 15, 2022
Recent advances in artificial intelligence have enhanced the abilities of mobile robots in dealing with complex and dynamic scenarios. However, to enable computationally intensive algorithms to be executed locally in multitask robots with low latency...
Algorithms Robotics Elasticity Neural Networks, Computer Artificial Intelligence
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Predicting and understanding arterial elasticity from key microstructural features by bidirectional deep learning.

Acta biomaterialia May 25, 2022
Microstructural features and mechanical properties are closely related in all soft biological tissues. Both yet exhibit considerable inter-individual differences and are affected by factors such as aging and disease and its progression. Histological ...
Collagen Extracellular Matrix Elasticity Arteries Stress, Mechanical Animals Deep Learning Biomechanical Phenomena Mice
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A data-driven approach to characterizing nonlinear elastic behavior of soft materials.

Journal of the mechanical behavior of biomedical materials Mar 25, 2022
The Autoprogressive (AutoP) method is a data-driven inverse method that leverages finite element analysis (FEA) and machine learning (ML) techniques to build constitutive relationships from measured force and displacement data. Previous applications ...
Neural Networks, Computer Models, Biological Elasticity Agar Phantoms, Imaging Nonlinear Dynamics Stress, Mechanical Finite Element Analysis
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Neural Network Modeling and Dynamic Analysis of Different Types of Engine Mounts for Internal Combustion Engines.

Sensors (Basel, Switzerland) Feb 25, 2022
This paper presents the results of studies on reducing the amount of vibrations in different frequency ranges generated by a combustion engine through the use of different types of engine mounts. Three different types of engine supports are experimen...
Vibration Nonlinear Dynamics Elasticity Neural Networks, Computer Models, Theoretical
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Enabling quantitative robot-assisted compressional elastography via the extended Kalman filter.

Physics in medicine and biology Nov 18, 2021
Compressional or quasi-static elastography has demonstrated the capability to detect occult cancers in a variety of tissue types, however it has a serious limitation in that the resulting elastograms are generally qualitative whereas other forms of e...
Elasticity Phantoms, Imaging Elasticity Imaging Techniques Ultrasonography Robotics
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A deep learning approach to identify and segment alpha-smooth muscle actin stress fiber positive cells.

Scientific reports Nov 8, 2021
Cardiac fibrosis is a pathological process characterized by excessive tissue deposition, matrix remodeling, and tissue stiffening, which eventually leads to organ failure. On a cellular level, the development of fibrosis is associated with the activa...
Stress Fibers Cardiomyopathies Models, Cardiovascular Artificial Intelligence Hydrogels Humans Cells, Cultured Fibroblasts Actins Deep Learning Myofibroblasts Surface Properties Image Processing, Computer-Assisted Myocardium Elasticity Cell Culture Techniques
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Ferromagnetic soft catheter robots for minimally invasive bioprinting.

Nature communications Aug 20, 2021
In vivo bioprinting has recently emerged as a direct fabrication technique to create artificial tissues and medical devices on target sites within the body, enabling advanced clinical strategies. However, existing in vivo bioprinting methods are ofte...
Catheters Electric Conductivity Tomography, X-Ray Computed Elasticity Hydrogels Animals Viscosity Bioprinting Liver Swine Cell Line Rats Magnets Humans Robotics Rats, Sprague-Dawley
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A Soft Resistive Sensor with a Semicircular Cross-Sectional Channel for Soft Cardiac Catheter Ablation.

Sensors (Basel, Switzerland) Jun 16, 2021
The field of soft robotics has attracted the interest of the medical community due to the ability of soft elastic materials to traverse the abnormal environment of the human body. However, sensing in soft robotics has been challenging due to the sens...
Cardiac Catheters Humans Robotics Elastomers Elasticity Pressure
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Elastohydrodynamic friction of robotic and human fingers on soft micropatterned substrates.

Nature materials Apr 29, 2021
Frictional sliding between patterned surfaces is of fundamental and practical importance in the haptic engineering of soft materials. In emerging applications such as remote surgery and soft robotics, thin fluid films between solid surfaces lead to a...
Elasticity Humans Friction Robotics Lubrication
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