Results 41 to 50 of about 112,676 (303)
A design method for an unbalance vibration compensator of five-axes active magnetic bearing systems
Nihon Kikai Gakkai ronbunshu, 2015 In one of the problems of the rotary machine, unbalance vibration synchronized with rotational frequency is well known. This vibration is caused by the unbalance of the mass of the rotor, the electromagnetic force of the active magnetic bearing (AMB ...
Taiki NAKAMURA, Shinji WAKUI
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BuildingsIn this paper, the quasi-static reciprocating loading test was carried out for the T-stub steel middle column joints with blind-bolt connections. As the thickness of the T-stub steel increased, the damage failure modes were different.
Huanhuan Liu +4 more
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Mathematics, 2021 In this work, a novel methodology for the identification of stiffness and damping rotordynamic coefficients in a rotor-bearing system is proposed. The mathematical model for the identification process is based on the algebraic identification technique ...
José Gabriel Mendoza-Larios +6 more
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The low-noise optimisation method for gearbox in consideration of operating conditions [PDF]
, 2014 This paper presents a comprehensive procedure to calculate the steady dynamic response and the noise radiation generated from a stepping-down gearbox.
Kang, J, Sun, W, Tao, Q, Zhou, J
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Stiffness and arthroscopic rotator cuff repair: a literature review
Annals of Joint, 2023 Tendon retear is the most common complication following rotator cuff repair surgery. Understanding the factors that are associated with greater risks of retear is important so surgeons can provide accurate prognostic information to patients. Advanced age and larger tear size have been shown to be associated with greater risk of retear at 6 months using
Guo, Allen A. +2 more
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Rotation-joint stiffness modeling for industrial robots considering contacts
Advances in Mechanical Engineering, 2018 Joint flexibility has a major impact on the motion accuracy of a robotic end effector, particularly at high speeds. This work proposes a technique of precisely modeling the torsional stiffness of the rotational joints for the industrial robots.
Zhifeng Liu +4 more
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Parameter Effects on Dynamic Characteristics Analysis of Multi-Layer Foil Thrust Bearing
LubricantsThe paper studies the dynamic characteristics of a multi-layer foil thrust bearing (MLFTB). A modified efficient dynamic characteristic model is established, and the revised Reynolds equation coupled with the thick plate element and the boundary slip ...
Yulong Jiang +3 more
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Arthritis Care &Research, EarlyView.Objective We examined whether 18 months of strength training in individuals with knee varus alignment and medial tibiofemoral osteoarthritis (OA) reduced knee joint loads during walking compared to an attention control group. Methods This study was a secondary analysis of a randomized clinical trial that compared the effects of strength training to a ...
Stephen P. Messier +12 more
wiley +1 more source
A Variable Stiffness Actuator Based on Leaf Springs: Design, Model and Analysis
Actuators, 2022 In order to adapt to complex and changeable mechanical conditions and make the deformable mechanisms perform well statically and dynamically, variable stiffness joints have been studied extensively.
Yifan Lu +5 more
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Accuracy Improvement for Stiffness Modeling of Parallel Manipulators [PDF]
, 2009 The paper focuses on the accuracy improvement of stiffness models for parallel manipulators, which are employed in high-speed precision machining. It is based on the integrated methodology that combines analytical and numerical techniques and deals with ...
Chablat, Damien +3 more
core +4 more sources