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Abstract
非線形ディジタルフィルタESDSの追従性能に関する考察
江丸貴紀，土谷武士
日本機械学会論文集C編，
vol.70，no.696，pp.2352-2359 (2004).
Abstract
We have proposed a new technique to estimate the smoothed
and differential values of the sensor inputs by using
sliding mode system (ESDS).
ESDS is one of the nonlinear digital filters, and it works
very effectively to eliminate the impulsive noise by keeping
the sudden shift of signals. However, because ESDS is nonlinear
system, it is very difficult to clarify the behavior of system
analytically.
In this paper, we clarify the signal tracking performance of
ESDS by performing phase plane analysis.
As input signal, we assume the step function, direct function
and quadratic function, and we show the signal tracking performance
with discrete representation.
At the same time, we discuss the limitation of its analysis by using
phase plane.
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Takanori Emaru ：
(c) Laboratory of Robotics and Dynamics, Hokkaido University