Research progress of intelligent detection method of grain storage quantity in grain depot
Grain storage quantity security is an important part of national grain storage security,and grain storage quantity in-spection is an important means to ensure grain quantity security.The traditional grain quantity inventory inspection usually a-dopts direct measurement method,which has some shortcomings such as time,effort,data lag and poor objectivity.In recent years,researchers have proposed some intelligent and automated grain quantity detection methods,aiming to achieve national grain quantity security monitoring with information technology and further promote the construction of smart grain storage.In this paper,five main methods of intelligent detection/monitoring of the quantity of grain stored in the warehouse are reviewed,including single-point laser,liDAR,ultrasonic,pressure sensor and vision technology.The accuracy,advantages and disadvanta-ges of the detection are analyzed,and the future research direction of the quantity detection technology of grain stored is pros-pected.
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