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Development of elevator vibration data collection system using simple compression encoding algorithm
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DOI：10.1007/s00500-023-09141-5.png)
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摘要
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Collecting data such vibration signal or others from elevators is crucial for a regular maintenance or emergency repair in industry. However, traditional methods for data transmission through compression and decompression process usually require large input data arrays to be assigned. Therefore, a long computational time is unavoidable so that it may affect system performance efficiency significantly. Therefore, an elevator vibration and loading data collection system was developed using simple compression encoding mechanism. First, in Data Acquisition Unit, the signal-acquiring microprocessor is used for data acquisition through Inter-Integrated Circuit ((IC)-C-2) bus. Second, in Data Storage Unit, the collected data from the signal-acquiring microprocessor is compressed and transmitted to the signal-processing microprocessor. Third, in Monitor Unit, the elevator analysis tool is developed to analyze the vibration data, which can be viewed directly from APP. Experimental results demonstrated that the restored data are consistent with the results measured from the standard instrument. The proposed hexadecimal compression process can make the data transmission mechanism simple, but two times faster than that using traditional way without compression. Consequently, the demanded memory capacity for signal transmission can be therefore reduced considerably.
Keyword:
vibration
USB
MCU
Elevator
Compression
Encryption
期刊
IF:
2.5
论文数:
1.0W
被引数:
2.1W
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