Optical control of pneumatic robot arm - optofluidic interface and booster amplifier

M. Katsu, K. Yamamoto, Osamu Oyama

研究成果: Article

抜粋

In order to drive a pneumatic robot arm without interposing any electrical signal, a optofluidic interface controlled by differential optical signals, a multi-stage fluidic power amplifier and a membrane booster amplifier were developed. The optofluidic interface employed a laminar proportional fluid amplifier with light absorbing nozzle side walls. Two optical signals were introduced through two opposed optical fibers. The end sections of the fibers constructed the opposed side walls of the supply nozzle. Carbon black was deposited on the end sections of the fibers as a light absorber. The differential fluidic output signal of the interface was amplified by the three-stage laminar proportional amplifier gain block, then the output signals of the gain block were boosted power so far as enough to drive pneumatic actuators by the membrane type booster amplifiers with nozzle-flapper valves. The total converting system had an overall optofluidic gain of 26kPa/mW and delivered on output pressure of 320kPa and an output flow of 700cm "SUP 3" /s, ie the output power had sufficient power necessary to drive commercial pneumatic actuators in both directions. (English summary)

元の言語English
ジャーナル[No source information available]
出版物ステータスPublished - 1 1 1992

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