単一光センサシステムによるエンジンオイル劣化複数情報の収集

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  • 朱 磊
    佐賀大学大学院工学系研究科生体機能システム制御専攻
  • 信太 克規
    佐賀大学理工学部電気電子工学科

書誌事項

タイトル別名
  • Multi-Information Monitoring of Engine Oil Degradation Using a Single Optical Sensor System
  • タンイツ ヒカリ センサ システム ニ ヨル エンジンオイル レッカ フクスウ ジョウホウ ノ シュウシュウ

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説明

It is very important to monitor the actual condition of automobile engine oil. We propose a multi-information monitoring system of engine oil degradation for obtaining the information of the transparency, temperature and dielectric constant of the engine oil at the same time. In our research, we measure degradation extent of engine oil by using a photo-diode and Light Emitting Diode (LED). First, we measure the transparency and temperature of the engine oil by the capacitance between the two terminals of the photo-diode, second, the dielectric constant of the engine oil is measured by the capacitance between the photo-diode and outer shell of LED. Our measurement method is characterized by measuring the capacitance between two terminals of photo-diode and regarding the outer shell as an electrode of the capacitor. Experimental results show the feasibility of measuring the degradation extent of engine oil with this method.

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