Automatic detection of granary storage quantity is an important technology for national food security.In this paper

according to the characteristics of grain peaks

the mathematical relationship between granary storage weight and the bottom/side pressure of granaries is established;the feasibility of the online granary storage quantity detection based on pressure sensors is also demonstrated.Furthermore

a new granary storage weight detection model based on polynomial expansion is proposed by using pressure sensors arranged along the inner and outer rings.The polynomial expansion of the average value of the pressure sensors is used to evaluate the granary storage weight.As the average value fluctuates inpractical warehouse detection

a granary storage weight detection model based on SVR is proposed.The detailed extraction method for SVR input sequences is described

and specific modeling algorithm is designed.Practical storage weight detection results show that the detection accuracy of the proposed model is better than 97%

which demonstrates that the proposed granary storage weight detection model is effective and well meet the demand of national granary storage quantity detection.