Abstract
With the rapid development of production, computer science and information technology, increasing occasions require real-time image acquisition systems. This research develops a size measurement experimental device based on Raspberry Pi. The device is composed of a linear array Charge-Coupled Device (CCD), an Analog to Digital (AD) device, a Field-Programmable Gate Array (FPGA) and a Raspberry Pi. In terms of data acquisition, the FPGA is used to drive the linear array CCD and the AD device for obtaining the information of the size of the workpiece and achieving high precision analog-to-digital conversion of 16-bit information. For aspect of data transmission, a First Input First Output (FIFO) module based on FPGA is designed to avoid the data loss, and a linear fitting algorithm is adopted for edge detection in data processing. The device can be applied to non-contact industrial size measurement and experimental teaching, and it improves the accuracy of the measurement of workpiece size.
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Acknowledgments
This research was supported in part by the National Natural Science Foundation of China under Grant 61702350, and in part by the Youth Fund of the Sichuan Provincial Education Department under Grant 18ZB0467 and the Lab of Agricultural Information Engineering.
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Luo, M., Wang, M., Sun, J., Tan, X., He, L., Zhang, D. (2020). Development of Raspberry Pi Based Experimental Device for High-Precision Size Measurement. In: Hung, J., Yen, N., Chang, JW. (eds) Frontier Computing. FC 2019. Lecture Notes in Electrical Engineering, vol 551. Springer, Singapore. https://doi.org/10.1007/978-981-15-3250-4_150
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DOI: https://doi.org/10.1007/978-981-15-3250-4_150
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