Results 1 to 10 of about 187,133,501 (288)

Analysis for the Vibration Mechanism of the Spillway Guide Wall Considering the Associated-Forced Coupled Vibration

Applied Sciences, 2019
During the flood discharge in large-scale hydraulic engineering projects, intense flow-induced vibrations may occur in hydraulic gates, gate piers, spillway guide walls, etc. Furthermore, the vibration mechanism is complicated.
Jijian Lian, Yan Zheng, Chao Liang, Bin Ma   +3 more
doaj   +3 more sources

No-backlash control system by two-motor drive (The analysis and experiments on the influence of the viscous friction difference between the two motors)

Nihon Kikai Gakkai ronbunshu, 2022
A no-backlash drive control technique which used two motors for forward rotation and reverse rotation to drive one load so as to cancel backlash has been using the same motor so far.
Akihiro MAEKAWA, Kento KOKUBO
doaj   +1 more source

Suppression of Friction by Mechanical Vibrations [PDF]

Physical Review Letters, 2009
4 pages 5 ...
Capozza R, Vanossi A, Vezzani A, Zapperi S   +3 more
openaire   +5 more sources

Vibration response difference of caving mechanism under coal rock impact based on mechanical–hydraulic coupling

Scientific Reports, 2023
Top coal caving in fully mechanized caving mining will cause an irregular impact on the caving mechanism of hydraulic support. The vibration response of the caving mechanism varies under different forms of impact.
Yanpeng Zhu, Qingliang Zeng, Lirong Wan, Yang Yang, Zhe Li   +4 more
doaj   +1 more source

Dynamic modeling and vibration characteristics analysis of parallel antenna [PDF]

Mechanical Sciences, 2022
Research on the vibration characteristics of the mechanical systems is a necessary step for the stable and reliable operation of high-end equipment.
G. Zhang, J. He, J. Guo, X. Xia
doaj   +1 more source

Optimization method for main parameters of vibration protection system in motor grader seat with quasi-zero static characteristic

Вестник СибАДИ, 2023
Introduction. One of the urgent tasks facing the developers of land transport and technological machines is to reduce the vibration effects on the human operator.
M. S. Korytov, I. E. Kashapova, V. S. Shcherbakov   +2 more
doaj   +1 more source

Recent Advances in Quasi-Zero Stiffness Vibration Isolation Systems: An Overview and Future Possibilities

Machines, 2022
In recent decades, quasi-zero stiffness (QZS) vibration isolation systems with nonlinear characteristics have aroused widespread attention and strong research interest due to their enormous potential in low-frequency vibration isolation.
Zhaozhao Ma, Ruiping Zhou, Qingchao Yang
doaj   +1 more source

No-backlash control system by two-motor driver (The analysis and experiments on total current reduction)

Nihon Kikai Gakkai ronbunshu, 2017
A no-backlash drive control technique in which two motors drive a load axis, as one is for a forward direction and another is for a reverseone,hastwo problems :1)the drive system has a remarkable power loss, 2) the 1st natural frequency of the drive ...
Akihiro MAEKAWA, Yusuke SUGIURA
doaj   +1 more source

No-backlash control system by two-motor drive (The analyses of backlash occurrence mechanism)

Nihon Kikai Gakkai ronbunshu, 2015
We analyze backlash occurrence mechanism of a no-backlash drive control technique in which two motors drive a load axis, as one is for a plus direction and another is for a minus direction, into the simulation and the experiment.
Akihiro MAEKAWA, Yusuke SUGIURA
doaj   +1 more source

No-backlash control system by two-motor driver (The analysis and experiments on the influence of inertia difference between the two motors)

Nihon Kikai Gakkai ronbunshu, 2018
A no-backlash drive control technique which used two motors for forward rotation and reverse rotation to drive one load so as to cancel backlash has been using the same motor so far.
Akihiro MAEKAWA, Yuki MORI, Toshihiro YASUE   +2 more
doaj   +1 more source