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http://dx.doi.org/10.1308/rcsann.2017.0168 | DOI Listing |
Prosthet Orthot Int
January 2025
Mechanical and Mechatronics Engineering Department, University of Waterloo, Waterloo, Ontario, Canada.
Knee bracing is commonly used for rehabilitation after ligament surgery. However, the effectiveness of knee bracing in preventing ligament injuries is not widely studied. This study aimed to develop a computational methodology to investigate the effectiveness of a novel type of cable-stabilized knee brace on anterior cruciate ligament (ACL) strain during single-leg jump landing.
View Article and Find Full Text PDFSci Rep
January 2025
Railway Engineering Research Institute, China Academy of Railway Sciences Co., Ltd, Beijing, 100081, China.
Dangerous rock masses in mountainous areas seriously threaten the construction and operation of engineering with potential disaster hazards, especially the unpredictability and sudden occurrence of rockfall, which poses a huge challenge. This paper presents a systematic risk assessment and disposal of high and steep giant dangerous rock masses, which can pose a serious threat to railway operation. Using comprehensive methods such as on-site investigation, limit equilibrium method, and simulation analysis of rockfall trajectory, the possibility and potential harm of collapse and rockfall of giant dangerous rock masses are analyzed and corresponding remediation measures are proposed.
View Article and Find Full Text PDFBioinspir Biomim
January 2025
Southwest University of Science and Technology, No. 59, Middle Section of Qinglong Avenue, Fucheng District, Mianyang City, Sichuan Province, Mianyang, Sichuan, 621010, CHINA.
The Cable-Driven Hyper-redundant Manipulator (CDHM), distinguished by its high flexibility and adjustable stiffness, is extensively utilized in confined and obstacle-rich environments such as aerospace and nuclear facilities. This paper introduces a novel CDHM inspired by the trunk of elephants, which changes the arm structure from cylindrical to conical. This alteration diminishes the arm's self-weight, reduces the moment arm of gravity, decreases the volume of the end joint, narrows the stroke of the driving cables, and boosts the maximum joint speed of the manipulator.
View Article and Find Full Text PDFMicromachines (Basel)
November 2024
Metamagnetics Inc., Marlborough, MA 01581, USA.
This paper presents a novel foldable S-band microstrip patch antenna array operating in the 2.4-2.45 GHz band.
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December 2024
National Physical Laboratory, Teddington, UK.
We present the first controlled-environment measurements of the optical path-length change response of telecommunication submarine cables to active seismic and acoustic waves. We perform the comparison among integrated (optical interferometry) and distributed (distributed acoustic sensing, DAS) fibre measurements and ground truth data acquired by 58 geophones, 20 three-axis seismometers and 7 microphones. The comparison between different seismic acquisition methods is an essential step towards full validation and calibration of the data acquired using novel cable-based sensing techniques.
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