오일교환경보 알고리즘 및 표시장치 개발
Development of Oil Change Warning Algorithm and Display Device
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This paper presents an engine oil change warning algorithm based on the test results of a small dipstick-gage-type engine-oil-deterioration-detection sensor, software to realize the algorithm and a display deviceto apply the software. The algorithm determines the engine oil deterioration condition from the rate of changein the dielectric constant based on the average measured capacitance at 80oC after the engine stops. The rate ofchange in the dielectric constant at the time for oil change correlates with the time that one of recommendedwarning limits for engine oil physical properties such as TAN (Total Acid Number), TBN (Total Base Number)and viscosity is first reached. At this point, a warning signal for oil change appears on the display device likea smart-phone or individual display device. The frames of smartphone app have three stages. The user candirectly input all of the thresholds into the frame of the smartphone app. The screen of the display device comprisesone frame for each warning signature with the related message. The user can input the thresholds to thedevice through a USB cable connected to a personal computer.
Abstract
This paper presents an engine oil change warning algorithm based on the test results of a small dipstick-gage-type engine-oil-deterioration-detection sensor, software to realize the algorithm and a display deviceto apply the software. The algorithm determines the engine oil deterioration condition from the rate of changein the dielectric constant based on the average measured capacitance at 80oC after the engine stops. The rate ofchange in the dielectric constant at the time for oil change correlates with the time that one of recommendedwarning limits for engine oil physical properties such as TAN (Total Acid Number), TBN (Total Base Number)and viscosity is first reached. At this point, a warning signal for oil change appears on the display device likea smart-phone or individual display device. The frames of smartphone app have three stages. The user candirectly input all of the thresholds into the frame of the smartphone app. The screen of the display device comprisesone frame for each warning signature with the related message. The user can input the thresholds to thedevice through a USB cable connected to a personal computer.
참고문헌 (10)
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