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A differential geometry based modeling of a belt object to represent its deformation path is proposed. Adequate deformation path of a belt object such as film circuit boards or flexible circuit boards must be generated for automatic manipulation and assembly. First, deformation of a belt object is described using the curvature of its central axis, torsion around the central axis and the curvature...
A differential geometry based modeling to represent belt object deformation is proposed. Deformation of a belt object such as film circuit boards or flexible circuit boards must be estimated for automatic manipulation and assembly. First, the fishbone model to describe deformation of a rectangular belt object is explained. In this model, the object shape is represented by the curved ldquospine linerdquo...
In this paper we construct a system design method for 3D integration. We report the use of this method to predict suitable 3D-SiP structures. 3D integration design is expected to be the breakthrough needed to overcome the apparent limits on design rule scaling in regimes where previous design methods have become difficult to implement. Given this current situation, we propose a method that assists...
The matching problem for a low energy transport system in a charged particle accelerator is approached using the extremum seeking feedback method for non-model based optimization. The beam dynamics are modeled using the KV (Kapchinsky-Vladimirsky) envelope equations. Extremum seeking is employed for the lens tuning in the beam matching system. Numerical simulations illustrate the effectiveness of...
This paper is investigated on the global wiring structure for next-generation SiP structure (target wire length =10mm, target frequency =10GHz, without repeater) by using electromagnetic analysis and simulation. Toward this target, we decide to attain signal attenuation smaller than -10dB at 30GHz (3rd harmonics). For this purpose, we propose that the attenuation of signal has been improved by making...
Piecewise affine (PWA) systems, which belong to a class of hybrid systems receiving a lot of attention, are useful for describing dynamics of real-world systems. A PWA system, whose dynamic is composed of a finite number of affine dynamics and switching laws, is at an advantage because existing analysis and control methods for linear systems may be applied to the system with a little modification...
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