Results 21 to 30 of about 1,630 (148)

Active Vibration Control and Coupled Vibration Analysis of a Parallel Manipulator with Multiple Flexible Links

open access: yesShock and Vibration, Volume 2016, Issue 1, 2016., 2016
This paper addresses the active vibration control and coupled vibration analysis of a planar parallel manipulator (PPM) with three flexible links. Multiple piezoelectric ceramic transducers are integrated with the flexible links to constitute the smart beam structures, and hence the vibration of the flexible link can be self‐sensed and self‐controlled.
Quan Zhang   +4 more
wiley   +1 more source

Optimal Design of the Connecting Rod of Vibration Grinding Mills Based on Ansys Workbench

open access: yesJixie chuandong, 2023
In order to solve the problem of fracture failure of the existing vibration grinding mill connecting rod within the design service life, the structural optimization design of the connecting rod is proposed.
Kuang Chi, Li Jing, Hu Junfeng, Li Hui
doaj  

Emerging evidence for CHFR as a cancer biomarker : from tumor biology to precision medicine [PDF]

open access: yes, 2013
Novel insights in the biology of cancer have switched the paradigm of a "one-size-fits-all" cancer treatment to an individualized biology-driven treatment approach.
Azad, Nilofer   +9 more
core   +3 more sources

Abstracts

open access: yes, 2023
Molecular Oncology, Volume 17, Issue S1, Page 1-597, June 2023.
wiley   +1 more source

Folding Assembly by Means of Dual-Arm Robotic Manipulation

open access: yes, 2016
In this paper, we consider folding assembly as an assembly primitive suitable for dual-arm robotic assembly, that can be integrated in a higher level assembly strategy.
Almeida, Diogo, Karayiannidis, Yiannis
core   +1 more source

Comparison of 3-RPR Planar Parallel Manipulators with regard to their Dexterity and Sensitivity to Geometric Uncertainties [PDF]

open access: yes, 2010
International audienceThis paper deals with the sensitivity analysis of 3-RPR planar parallel manipulators. First, the manipulators under study as well as their degeneracy conditions are presented.
Binaud, Nicolas   +2 more
core   +4 more sources

Active Vibration Suppression of a 3‐DOF Flexible Parallel Manipulator Using Efficient Modal Control

open access: yesShock and Vibration, Volume 2014, Issue 1, 2014., 2014
This paper addresses the dynamic modeling and efficient modal control of a planar parallel manipulator (PPM) with three flexible linkages actuated by linear ultrasonic motors (LUSM). To achieve active vibration control, multiple lead zirconate titanate (PZT) transducers are mounted on the flexible links as vibration sensors and actuators.
Quan Zhang   +4 more
wiley   +1 more source

Mechanisms of spindle positioning. [PDF]

open access: yes, 2013
Accurate positioning of spindles is essential for asymmetric mitotic and meiotic cell divisions that are crucial for animal development and oocyte maturation, respectively.
McNally, Francis J
core   +1 more source

Vector Bond Graph Method for the Computer Modeling and Kineto-static Analysis of a Single-DOF Double Crank Six-bar Press Mechanism

open access: yesJixie chuandong, 2020
For the problem of computer modeling and kineto-static analysis for a single-DOF double crank six-bar press mechanism, the corresponding vector bond graph method is proposed.
Wang Zhongshuang   +2 more
doaj  

Magnetoelectric Cr_2 O_3 and relativity theory

open access: yes, 2009
Relativity theory is useful for understanding the phenomenology of the magnetoelectric effect of the antiferromagnet chromium sesquioxide Cr_2 O_3 in two respects: (i) One gets a clear idea about the physical dimensions of the electromagnetic quantities ...
Hehl, Friedrich W.   +3 more
core   +3 more sources

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