Design of communication protocol and data processing algorithm for wireless laser power counting system

Feiyu Shi; Jinghui Zhang; Yihua Cai; Linge Li; Chengyu Fan

doi:10.1117/12.2679566

18 July 2023 Design of communication protocol and data processing algorithm for wireless laser power counting system

Feiyu Shi, Jinghui Zhang, Yihua Cai, Linge Li, Chengyu Fan

Proceedings Volume 12722, Third International Conference on Mechanical, Electronics, and Electrical and Automation Control (METMS 2023); 1272241 (2023) https://doi.org/10.1117/12.2679566
Event: International Conference on Mechanical, Electronics, and Electrical and Automation Control (METMS 2023), 2023, Hangzhou, China

Abstract

In environments with harsh environments, high electromagnetic interference, and poor data channel quality, wireless laser power meters face the risk of data loss and data bit errors when measuring laser power. The wireless data transmission module works on a free channel using open standards, and is vulnerable to attacks, resulting in data leakage. In view of the above problems, this paper designs the communication data frame format of the PC end and the data acquisition module end for the wireless laser power meter data acquisition system. The TEA data encryption algorithm and the CRC check algorithm based on the look-up table method are added to the data frame. For the voltage noise and abnormal values collected by the data acquisition module, this paper uses a real-time low-pass filter algorithm to filter out high-frequency noise, and designs a sliding window algorithm to smooth the power curve and remove power abnormal values. The communication protocol and data processing algorithm designed in this paper realize the data verification, error retransmission and data encryption of the wireless laser power counting system, ensure the data reliability and data integrity during the data transmission process, and realize real-time noise reduction and power curve smoothing.

Citation Download Citation

Feiyu Shi, Jinghui Zhang, Yihua Cai, Linge Li, and Chengyu Fan "Design of communication protocol and data processing algorithm for wireless laser power counting system", Proc. SPIE 12722, Third International Conference on Mechanical, Electronics, and Electrical and Automation Control (METMS 2023), 1272241 (18 July 2023); https://doi.org/10.1117/12.2679566

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KEYWORDS

Data acquisition

Data communications

Error control coding

Telecommunications

Windows

Data processing

Design and modelling

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