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We propose a fast and precise simulation method for replicating the transient responses and frequency characteristics of switching power converters using a mixture of real circuits and behavioral models. The method used a behavioral simulation tool (Verilog-A), which was supported by an analog simulator such as SPECTRE®. The time-step became variable, however, the nonlinear operation of the circuit...
Human is capable of adaptive and supple locomotion in the real world characterized by rapid changes, high uncertainly, and limited availability of information. In order to understand the human walking, this work was motivated by the concept of passive dynamic walking robots, which have no actuation or control system except for gravity are capable of stable, human-looking walking. On the other hand,...
In order to elevate an input voltage of less than 1-V to an output voltage of from several volts to 10-V while also realizing a large output-current capability, a wide feedback-loop frequency bandwidth under a high duty-ratio condition and a high power efficiency, we developed a MOS current-mode boost DC-DC converter which utilizes the quadratic compensation slope with the output voltage dependency...
We were intended to find a core principle of 'Realtime Environmental Adaptive Motion Ability(REAMA)' and devised a structure hypothesis of various movement intellect so far. In this note, we show a particular solution of the REAMA Problem as the first step. Doing so, we try to show the existence of a general solution of the REAMA Problem. Concretely, we introduce a simple but very important example...
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