英文摘要
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In this study, a LED spot measurement unit is designed to replace the conventional unit using lever-type spring inspection mechanism. Weight precision Accuracy of the current measurement unit is not qualified. Pattern error reaches up to 80% while adjusting by labor work so that cannot satisfy the requirement of high precision. Therefore, it is proposed to utilize automatic measurement and feedback control method to enhance the accuracy.
This article takes probing equipment function of LED industry as an example to discuss designed probing device. It consists of strain gauge selection, mechanism design environment, simulation analysis via ANSYS, experimental test and using linear regression to analyze experimental data to find linear relationship between input force and output voltage. To apply the inspected result practically, the error can be decreased significantly for reaching below 10% precision of initial stage default target.
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