Results 41 to 50 of about 1,775 (218)

EndoTac: An Endoscopic Camera‐Based Tactile Sensor with High Sensitivity for Minimally Invasive Surgery

Advanced Science, EarlyView.
EndoTac presents a trocar‐compatible endoscopic vision‐based tactile sensor that uses a convex mirror to enlarge side‐facing tactile coverage during minimally invasive vessel palpation. Distorted tactile images are unwarped and processed by a learning model to estimate vascular deformation, enabling sensitive, spatially distributed tactile perception ...
Yupeng Wang, Nicolas Raison, Xuyang Zhang, Aijia Yang, Lukas Lindenroth, Shan Luo   +5 more
wiley   +1 more source

Cyclic Undrained Triaxial Strength of Sand by a Cooperative Test Program

Soils and Foundations, 1986
ABSTRACT A cooperative test program of cyclic undrained triaxial tests was performed by five laboratories for both loose (Dr = 50%) and dense (Dr = 80%) air-pluviated specimens of Toyoura Sand, which is a clean fine uniform sand having sub-angular to angular shaped particles.
TOKI, SHOSUKE, TATSUOKA, FUMIO, MIURA, SEIICHI, YOSHIMI, YOSHIAKI, YASUDA, SUSUMU, MAKIHARA, YORIO   +5 more
openaire   +2 more sources

Smart Flexible Tactile Sensors: Recent Progress in Device Designs, Intelligent Algorithms, and Multidisciplinary Applications

Advanced Intelligent Discovery, EarlyView.
Flexible tactile sensors have considerable potential for broad application in healthcare monitoring, human–machine interfaces, and bioinspired robotics. This review explores recent progress in device design, performance optimization, and intelligent applications. It highlights how AI algorithms enhance environmental adaptability and perception accuracy
Siyuan Wang, Ming Dong, Rongrong Bao, Caofeng Pan   +3 more
wiley   +1 more source

The Effect of Failure Criteria on Liquefaction and Pore Pressure Prediction in Non-Plastic Soils

Geotechnics
Since the 1960s, cyclic triaxial tests have been utilized to assess the liquefaction susceptibility of cohesionless soils. While standardized procedures exist for conducting cyclic triaxial tests, there remains no universally accepted criterion for ...
Carmine P. Polito
doaj   +1 more source

Dynamic Behaviours of a Single Soft Rock-Socketed Shaft Subjected to Axial Cyclic Loading

Advances in Materials Science and Engineering, 2016
The soft rock was simulated by cement, plaster, sand, water, and concrete hardening accelerator in this paper. Meanwhile, uniaxial compressive strength tests and triaxial compression tests were conducted to study the mechanical properties of simulated ...
Ben-jiao Zhang, Bin Huang, Can Mei, Xu-dong Fu, Gang Luo, Zhi-jun Yang   +5 more
doaj   +1 more source

A Two‐Stage Characterization Pipeline and Open‐Source Framework for Reproducible Tactile Sensing

Advanced Intelligent Systems, EarlyView.
The same soft tactile sensor returns different numbers when embodied in different robots. This is an Embodiment Gap that no shared framework currently captures transparently. A two‐stage characterization pipeline, paired with a FAIR open‐source digital datasheet, decouples intrinsic sensor behavior from embodiment effects and condenses cross‐laboratory
Matteo Lo Preti, Weng Buxiu, Petr Trunin, Muhammad Sunny Nazeer, Lucia Beccai, Perla Maiolino, Cecilia Laschi   +6 more
wiley   +1 more source

Experimental study on deformation behaviors of saturated soft clay under intermittent cyclic loading with various drained conditions

Yantu gongcheng xuebao
In the previous studies, the cyclic triaxial tests under intermittent cyclic loading are used to study the deformation characteristics of soft clay under traffic loads. Both confining pressure and deviator stress vary cyclically in the stress field under
HUANG Juehao 1, 2, XU Linfeng 3, 1, LU Yuan 5, YAN Wenlong 4, 1, CHEN Jian 1, 2, FU Xiaodong 1, 2
doaj   +1 more source

Impact of Cyclic Loading on Shakedown in Cohesive Soils—Simple Hysteresis Loop Model

Applied Sciences, 2020
The objective of this study is to characterize the permanent deformations and to present a mathematical model that enables the prediction of permanent strain during cyclic loading. First, laboratory cyclic triaxial tests are conducted on sandy silty clay
Andrzej Głuchowski, Wojciech Sas
doaj   +1 more source

Cyclic Undrained Triaxial Strength of Clay by a Round Robin Test

Soils and Foundations, 1999
A round robin test to determine the cyclic undrained triaxial strength of a silty clay called Fujinomori clay was performed with the participation of 26 laboratories in Japan. One laboratory performed the cyclic simple shear test under constant volume and the data was used for the comparison with triaxial strength.
PRADHAN, TEJ B.S., MATSUI, TAMOTSU, YASUHARA, KAZUYA, UCHIDA, KAZUNORI   +3 more
openaire   +2 more sources

Multiple injection techniques to stimulate complex fracture networks in coal reservoirs: A case study on gas disaster reduction of subsurface coal mine in southwest China

Deep Underground Science and Engineering, EarlyView.
An experimental device for physical simulation of hydraulic fracturing, comprising: a load‐bearing mechanism with multiple interconnected plates that collectively form an sample chamber; a load‐generating mechanisms, with multiple load‐generating mechanisms arranged within the experimental chamber.
Delei Shang, Farui Shi, Jun Lu, Minghui Li, Cunbao Li, Heping Xie   +5 more
wiley   +1 more source