نتایج جستجو برای: current inversion condition

تعداد نتایج: 1107192  

2006
S. B. VOSPER

The effect of a sharp low-level temperature inversion on flow over a mountain is investigated via a series of two-dimensional idealized numerical model simulations. The main focus of the study is the effect of the inversion on the formation of lee waves, lee-wave rotors, low-level hydraulic jumps and the occurrence of wave breaking aloft. The idealized problem considered consists of an upwind v...

2015
Ying Wu Atul Kelkar Sriram Sundararajan Murti V. Salapaka Ping Lu

In this dissertation, a suite of inversion-based feedforward-feedback control techniques are developed and applied to achieve high speed AFM imaging. In the last decade, great efforts have been made in developing the inversion-based feedforward control as an effective approach for precision output tracking. Such efforts are facilitated by the fruitful results obtained in the stable-inversion th...

Journal: :Bulletin of South Ural State University series "Economics and management" 2019

Journal: :Advances in Social Sciences Research Journal 2016

Journal: :Biomedical Journal of Scientific & Technical Research 2020

2009
U-Xuan Tan Cheng Yap Shee Cameron N. Riviere

Piezoelectric, magnetostrictive, and shape memory alloy actuators are gaining importance in high-frequency precision applications constrained by space. Their intrinsic hysteretic behavior makes control difficult. The Prandtl–Ishlinskii (PI) operator can model hysteresis well, albeit a major inadequacy: the inverse operator does not exist when the hysteretic curve gradient is not positive defini...

2004
S. Berres R. Bürger E. M. Tory

A mathematical model for the fluidization of polydisperse suspensions is developed. The stationary concentration configurations for a given fluidizing velocity are analyzed and a mixing condition for bed inversion is derived. A central finite difference scheme is applied to the simulation of the fluidization of a bidisperse suspension. The numerical simulations agree with the experimentally rep...

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