Real-time data on-line compression and decompression method
A real-time data and decompression technology, applied in the direction of electrical digital data processing, digital recording/reproduction, instruments, etc., can solve the problems of limited compression ratio, limited compression algorithm, low efficiency, etc., achieve high compression ratio, and realize online compression The effect of storing, flattening and decompressing reads
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[0047] The technical solutions of the present invention will be further described below in conjunction with the drawings and embodiments.
[0048] See figure 1 , Is a block diagram of the overall structure of the present invention. It is a device that adopts the method of online real-time data compression and decompression of the present invention. It includes real-time data reading interface device 11, real-time data caching device 12, real-time data compression execution device 13, real-time process database device 14, data Query device 15, decompression device 16, data reading device 17;
[0049] The real-time data reading interface device 11 is mainly responsible for the acquisition of data during the operation of the process monitoring system. It reads from the real-time data management module 10 of the field equipment according to the pre-set (which can be set during configuration) the list of tag numbers that need to be read Read the corresponding tag information list and ...
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