Storage and transportation information’s dynamic acquisition method based on compressed sensing
XU Fujing1,MA Tiehua2
1. Department of Automation,Shanxi University,Taiyuan 030013,China;
2.National Key Laboratory for Electronic Measurement Technology,North University of China,Taiyuan 030051,China
The storage and transportation safety problems of cultural relics, oil and other high-value substances are more and more prominent, but there are not reliable monitoring methods in the whole process of storage and transportation due to complexities of storage and transportation process, long monitoring time and complex monitoring strategies in different stages. Here, to resolve this problem, a dynamic acquisition method for the whole process of storage and transportation based on compressed sensing was proposed. This method fully adopted the sparsity of storage and transportation signals to put forward the random node layout and the random time sampling, and solve difficult problems of monitoring process’s large data and low power consumption. According to this method, an intelligent bar code was developed. It had functions of storage and transportation environment monitoring and logistics management, and its power consumption level was less than 500 μA, its volume was less than 60×80×10mm3. The test results showed that the dynamic acquisition method for storage and transportation information based on compressed sensing significantly decreases the layout number, and reduces the system power consumption under the condition of not reducing the monitoring resolution, the data reconstruction errors are within 9.2%.
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