Study on the Detection Technology of Multiple Mixed Gas Concentration

In this paper, to solve the problem of cross-response when a single sensor detects gas, a multi-component gas concentration detection method based on information fusion technology is studied, which can accurately detect the concentration of any gas mixture. The detection method of multi-component gas concentration is to identify and detect multi-component gas by support vector machine and BP neural network, optimize the parameters of BP neural network by the steepest descent method, and finally get the best fitting curve, and the output result is the gas concentration of each component.