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This paper studies stability and bifurcation of a simple piecewise linear dynamical system relating to several kinds of switching converters with solar cell input. Applying a simplification method, we derive the 1D phase map that is useful for precise analysis. The system can exhibit rich bifurcation phenomena, and for simplicity, we consider bifurcation for two parameters corresponding to temperature...
In recent years, various control methodologies are reported in the field of biped fast mobility. Most of these reports have focused on the whole body motion generation and overall stability. While considering aforementioned issues, running motion appears to be a very important movement, as it is the combination of fast walking and jumping cycles. Therefore, in this paper, we proposed a control method...
The radiation pattern of an optimized Yagi-Uda antenna does not suffer from the minor radius alteration (such as 1/2: 50% reduction or 1/4: 75 % reduction) of elements even if the alteration is uniform for entire elements. The minor step-tapered design alteration in radius of radiating elements greatly affects the radiation characteristics of the Yagi-Uda antenna, which is originally designed with...
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