Results 241 to 250 of about 14,096,944 (291)

A Study on Electro-Assisted Forming of Thin-Walled Skin Components Made of Ti-6Al-4V Alloy. [PDF]

Materials (Basel)
Yuan Z, Xu X, Huang J, Xie J, Zhang F, Tian K.   +5 more
europepmc   +1 more source

A study on a tightening method for optimizing bolt preload distribution in high-precision assembly of curvic couplings for aerospace applications. [PDF]

PLoS One
Lin J.
europepmc   +1 more source

Nanoscale heat evaluation performance using hybrid nanocomposites along vertical riga surface under robin boundary and transient concept. [PDF]

Discov Nano
Sarfraz G, Khlifi MA, Mohamed HG, Jamshed W, Mergia WD, Adnan, Khan Y, Bashir MN.   +7 more
europepmc   +1 more source

Graphene Oxide Encapsulated Natural Plant Essential Oil as Ti6Al4V-UHMWPE Joint Prostheses Biolubricant: Tribological Behavior and Machine Learning-Assisted Mechanism Analysis. [PDF]

Small
He X, Wu Q, Li T, Mao M, Fang Y, Ma T, Yuan Z, Zhang J, Gui S, Wu B.   +9 more
europepmc   +1 more source

Effect of rolling surface texture on bearing friction pairs lubrication. [PDF]

iScience
Liu X, Yin M, Liu C, Sun J, Zhang S, Geng L.   +5 more
europepmc   +1 more source

Mechanism of Ultra-Low-Speed Smoothness in Ultrasonic Motors Based on a Macro-Micro Multi-Scale Finite Element Model. [PDF]

Micromachines (Basel)
Zeng W, Xie T, Peng Q, Zhang H, Jiang Y, Yang L.   +5 more
europepmc   +1 more source

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A fractional order friction model

ISA Transactions, 2023
A new dynamic model for friction is proposed based on the commonality between frictional order dynamics and friction behavior. The model can achieve accurate modeling both in the sliding and the pre-sliding region with fewer parameters. Simulation results of the FOFM are illustrated with the parameters identification using the particle swarm ...
Pengchong Chen, Ying Luo, Youguo Pi
exaly   +3 more sources

Adaptive Friction Compensation With a Dynamical Friction Model

IEEE/ASME Transactions on Mechatronics, 2011
This paper presents a new compensation technique for dynamic friction. The proposed control utilizes a PD control structure and an adaptive estimation of the friction force based on an observer. Specifically, a nonlinear function is used to compensate the nonlinear effects of the parameters in the friction model.
Tong Heng Lee, Kok Kiong Tan, Sunan Huang   +2 more
exaly   +2 more sources

An integral friction model

IEEE International Conference on Robotics and Automation, 2004. Proceedings. ICRA '04. 2004, 2004
In this paper, an integral friction model is proposed, defining separately the Dahl, the Stribeck and the microviscous effects. The model is based on an integral closed form solution of the Dahl model. It is shown by simulation that the model is consistent with the LuGre model, while being computationally more efficient.
FERRETTI, GIANNI, MAGNANI, GIANANTONIO, ROCCO, PAOLO   +2 more
openaire   +3 more sources

Friction model for the velocity dependence of nanoscale friction

Nanotechnology, 2005
The velocity dependence of nanoscale friction is studied for the first time over a wide range of velocities between 1 microm s(-1) and 10 mm s(-1) on large scan lengths of 2 and 25 microm. High sliding velocities are achieved by modifying an existing commercial atomic force microscope (AFM) setup with a custom calibrated nanopositioning piezo stage ...
Nikhil S, Tambe, Bharat, Bhushan
openaire   +2 more sources