Grain bin stored-grain quantity detection method based on structure self-adapting detection model

A technology of adaptive detection and detection method, applied in the field of sensor network, can solve the problem of not fully considering the problem of mutual transfer

Active Publication Date: 2015-02-04
HENAN UNIVERSITY OF TECHNOLOGY
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Problems solved by technology

Since the model does not fully consider the mutual transfer between side pressure and bottom pressure, it is only applicable to large granaries

Method used

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  • Grain bin stored-grain quantity detection method based on structure self-adapting detection model
  • Grain bin stored-grain quantity detection method based on structure self-adapting detection model
  • Grain bin stored-grain quantity detection method based on structure self-adapting detection model

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Embodiment Construction

[0029] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0030] 1. Granary weight theoretical detection model

[0031] Commonly used granaries include bungalows, shallow round bins, and silos. After the grain enters the warehouse, the top of the grain pile is required to be flattened. The shapes are roughly cylinders of varying sizes. Through the force analysis of the grain pile, it can be concluded that the weight of the grain pile in the granary and the pressure distribution of the granary have the relationship shown in the following formula.

[0032] W ^ = A B ( Q ‾ B ( s ) + C B A ...

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Abstract

The invention relates to a grain bin stored-grain quantity detection method based on a structure self-adapting detection model. Two circles of pressure sensors are arranged on the bottom face of a grain bin and output values of the sensors are detected and according to the detection model (as is shown in the specification), the grain bin stored-grain weight estimation W<^> is calculated. The method has the characteristics of being high in detection precision and adaptive to stored-grain quantity detection of a plurality of kinds of grain bin structure types and the like.

Description

technical field [0001] The invention relates to a method for detecting the quantity of stored grain, in particular to a method for detecting the quantity of stored grain using a structure self-adaptive detection model. It belongs to the technical field of sensor networks. Background technique [0002] Food security includes quantity security and quality security. The research and application of online grain quantity detection technology and system is an important guarantee technology for national grain quantity security. Carrying out research and application in this area is related to national food security, which is of great significance and will generate huge social and economic benefits. [0003] Due to the important position of grain in national security, the online detection of grain pile quantity is required to be accurate, fast and reliable. At the same time, due to the huge amount of grain and the low price, it is required that the online detection equipment for th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01G17/00
Inventor 张德贤张苗张元张庆辉邓淼磊杨铁军肖乐王高平樊超李磊杨卫东傅洪亮王洪群王贵财许伟涛金广锋王珂刘灿堵世良
Owner HENAN UNIVERSITY OF TECHNOLOGY
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