Intelligent gas flow monitoring method

The invention provides an intelligent gas flow monitoring method which comprises the following steps: detecting the current temperature of gas, constructing a gas temperature prediction model, and obtaining a specific numerical value of temperature change; establishing a gas thermal expansion or cold contraction prediction model by using a linear regression algorithm, and calculating the thermal expansion or cold contraction degree of the gas based on the gas temperature change data; gas volume change is predicted according to real-time temperature and pressure monitoring; establishing a flow velocity and volume relation model according to the gas flow velocity and volume change data, and predicting the gas flow velocity change based on the gas volume change; calculating the difference between the flow velocity and the predicted flow velocity through real-time flow measurement data; according to anomaly detection and stability evaluation of the flow data, automatically adjusting and calibrating a flow measure