Results 11 to 20 of about 360,412 (305)

A Variable Parameter Ambient Vibration Control Method Based on Quasi-Zero Stiffness in Robotic Drilling Systems

Machines, 2021
Vibrations in the aircraft assembly building will affect the precision of the robotic drilling system. A variable stiffness and damping semiactive vibration control mechanism with quasi-zero stiffness characteristics is developed.
Laixi Zhang, Chenming Zhao, Feng Qian, Jaspreet Singh Dhupia, Mingliang Wu   +4 more
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

Research on vibration isolation method of a novel power source

Energy Reports, 2020
Free-piston linear generator (FPLG) is a novel power source which combines free-piston engines and a linear electric generator. Piston motion and vibration excitation characteristics of FPLG are quite different from the traditional reciprocating engines.
Jingyi Tian, Huihua Feng, Jifu Wang, Yucong Liu   +3 more
doaj   +1 more source

Vibrational spectroscopy of hydrogens in diamond: a quantum mechanical treatment [PDF]

Physical Chemistry Chemical Physics, 2018
Structural, electronic, energetic and vibrational characterizations of the VHn (n = 1 to 4) defects in diamonds are investigated with quantum mechanical simulations.
Gentile, Francesco Silvio, Salustro, Simone, Desmarais, Jacques Kontak, Ferrari, Anna Maria, D'Arco, Philippe, Dovesi, Roberto   +5 more
openaire   +3 more sources

No-backlash control system by two-motor driver (The analysis and experiments on natural vibration suppression)

Nihon Kikai Gakkai ronbunshu, 2016
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 reverse one, has a problem that the 1st natural frequency of the drive system may cause a backlash.
Akihiro MAEKAWA, Yusuke SUGIURA
doaj   +1 more source

Theoretical Design of a Novel Vibration Energy Absorbing Mechanism for Cables

Applied Sciences, 2020
A novel design of a vibration energy absorbing mechanism (VEAM) that is based on multi-physics (magnetic spring, hydraulic system, structural dynamics, etc.) for cable vibration is proposed.
Zhen Qin, Yu-Ting Wu, Aihua Huang, Sung-Ki Lyu, John W. Sutherland   +4 more
doaj   +1 more source

Molecular Dynamics Simulation on Cutting Mechanism in the Hybrid Machining Process of Single-Crystal Silicon

Nanoscale Research Letters, 2021
In this paper, molecular dynamics simulations are carried out to investigate the cutting mechanism during the hybrid machining process combined the thermal and vibration assistants.
Changlin Liu, Wenbin He, Jianning Chu, Jianguo Zhang, Xiao Chen, Junfeng Xiao, Jianfeng Xu   +6 more
doaj   +1 more source

Vibrationally Induced Two-Level Systems in Single-Molecule Junctions [PDF]

, 2006
Single-molecule junctions are found to show anomalous spikes in dI/dV spectra. The position in energy of the spikes are related to local vibration mode energies. A model of vibrationally induced two-level systems reproduces the data very well.
Bremmer, R. H., Djukic, D., Otte, A. F., Thijssen, W. H. A., van Ruitenbeek, J. M.   +4 more
core   +3 more sources

Characteristics of adjustable dynamic vibration absorber

Nihon Kikai Gakkai ronbunshu, 2018
One of effective ways to suppress vibration of a mechanical system is using a dynamic vibration absorber. The dynamic vibration absorber consists of a mass, a spring and a damper.
Kenya NEMOTO, Hiroshi YAMAMOTO, Terumasa NARUKAWA   +2 more
doaj   +1 more source

Nonlinear vibrations of a slider-crank mechanism

Applied Mathematical Modelling, 1986
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Ansari, K. A., Khan, N. U.
openaire   +2 more sources