선형 전기접촉으로 계측해상도가 향상된 저항성 변위센서
Resistive displacement transducer enhanced measurement resolution by electrical line contact
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Abstract
Although variable resistance displacement transducer is widely applied for its technical simplicity, electrical pointcontact limits measurement resolution (precision). The present study introduced roler shaped structure for electrical lineproduct. When the displacement was varied with steps of 5 m, 1 m, and down to 0.1 m, the correlation coefficientbetween resistance and displacement decreased lower than 0.9 in the commercialized product while the proto-typetransducer maintained values higher than 0.99. Therefore, the measurement resolution was enhanced by approximately10 times. Since manufacturing also seemed easier, the present results would enable more accurate and les expensivemanufacturing of variable resistance displacement transducer.
참고문헌 (7)
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