9. 新SIセンサーの開発(II. 被害予測と緊急対応 その1,第IIセッション,第8回(平成10年度)地域安全学会研究発表会) 9. Development of New SI Sensor

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Tokyo Gas Co., Ltd. and Yamatake Corporation have developed New SI sensor, and already started to install. New SI sensor is very small and inexpensive as the result of the usage of 3-axis silicon capacitive accelerometer made by micro machining technology. New SI sensor has multiple functions as follows. 1) Analog output for telemeter function 2) Digital output for telemeter function 3) Earthquake wave form memory function 4) Self-check function New SI sensor has new algorithms of SI value calculation and liquefaction judgement. New SI value calculation is very precise, simple, and highly reliabile. In the future, 3,600 New SI sensors will be installed in Tokyo metropolitan area (3,200km^2). This New SI sensor network is one of the largest and the highest density seismometer network in the world. This network will be able to offer plane distribution of SI value, maximum acceleration, 3-axis acceleration wave and liquefaction data.

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  • NII論文ID(NAID)
    110007090720
  • NII書誌ID(NCID)
    AA11250264
  • 本文言語コード
    JPN
  • データ提供元
    NII-ELS 
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