パルス振動子を内蔵し同期発光するマイコンホタルの製作

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Abstract : Electronic fireflies which can flash synchonously with each other are developed. An electronic firefly is mainly composed of those which are a super bright blue LED, a blue sensitive photo-diode and a micro-processor. In the flash ROM of the micro-processor, a pulse-coupled oscillator which is written in C is implemented. The electronic firefly has ablity to fire at any rate by changing the parameter values of the software oscillator. And two electronic fireflies placing within a distance of 20cm can flash synchronously in almost 30 seconds. In this paper, firstly the theory of synchronization of biological oscillators based on Peskin's model is reviewed. And then the hardware and software design and developmental methods of the electronic firefly are explained. Finally some experimental results and comments on them are also presented.　Keywords : パルス結合振動子, ホタル同期発光, H8 マイコン, pulse-coupled Oscillators, synchronous flashing of fireflies, H8 micro-processor
山形県立産業技術短期大学校,ヤマガタケンリツサンギョウギジュツタンキダイガッコウ,Yamagata College of Industry & Technologyの論文