نتایج جستجو برای: wagon wheel reticle
تعداد نتایج: 15305 فیلتر نتایج به سال:
This paper describes a novel method for recognizing the classes of street-parking vehicles. We have already developed the following two systems: one is vehicle recognition system based on local-feature configuration, and the other is detecting street-paring vehicles from side-view range images. In this paper, we combine these two systems to develop a new system with which we can not only count ...
A new computational model for the analysis of the suspension system of an innovative concept in vertical-axis wind turbines is introduced. We used this model to study a new concept in extra-large wind-power plants: the VGOT (variable-geometry oval-trajectory) Darrieus wind turbine. In a traditional Darrieus turbine, the blades rotate around a central vertical axis. In the VGOT concept each blad...
Measuring the structure gauge of tunnels and other narrow passages has so far been the only way to evaluate whether large vehicles can pass through them. But especially for very long vehicles like train wagons and their cargo, the structure gauge is an insufficient measure because the center part of the vehicle between two bogies will inevitably leave the swept volume of its cross section when ...
The determination of the dynamic loading bearing structures main types freight wagons with actual dimensions under operating conditions is carried out. inertial coefficients are determined by constructing their spatial models in SolidWorks software package. Two cases – vertical and longitudinal planes have been taken into account. studies were out a flat coordinate system. When modeling wagons,...
where p is the controller parameter, J is the gradient, k is the iteration number, R is a positive definite matrix and γ is the step size. In this paper, a data-driven control strategy is proposed to synthetically build the control system of a 6-DOF ultra-precision dual-stroke stage. The stage, namely reticle stage which is a critical lithographic component, moves the pattern in synchronizatio...
Amplification of reticle linewidth variations in imaging is examined through direct measurements of the mask error factor (MEF), which typically is used to describe this undesirable effect. The error observed in the aerial image linewidth is decoupled from the error in the resulting resist profile linewidth with the introduction of two separate mask error factors, namely the aerial image MEFaer...
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