Method for establishing multi-element viscoelastic model for livestock and poultry meat
A model establishment, multi-factor technology, applied in multi-factor viscoelastic model establishment and determination of viscoelastic parameters, viscoelastic non-destructive testing of livestock and poultry meat, can solve problems such as large errors
Active Publication Date: 2018-11-16
CHINA AGRI UNIV
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Problems solved by technology
At present, research on viscoelasticity at home and abroad mostly focuses on stress relaxation characteristics, and there are few studies on creep characteristics; research on viscoelasticity at home and abroad mostly uses three-element and four-element models, and the three-element and four-element models are basic models. The problem can be simplified, but the error is large
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[0111] In order to illustrate the present invention more clearly, the specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are only used to illustrate the invention, but can not be used to limit the scope of the invention. Obviously, the following descriptions and drawings are only some embodiments of the present invention, and those skilled in the art can also obtain other drawings and embodiments according to the listed drawings without creative work. .
[0112] like Figure 5 As shown, a viscoelastic non-destructive testing system for livestock and poultry meat, including: an air compressor 13, a control device, a laser range finder, a sensor probe 5, a computer 7 and a differential pressure gauge;
[0113] The air compressor 13 outputs the air flow to the surface of the sample to be tested 2 through the air pipe 12; the control device includ...
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The invention belongs to the technical field of food detection, and relates to a nondestructive testing method for viscoelasticity of livestock and poultry meat, in particular to a method for establishing a multi-element viscoelastic model and determining viscoelastic parameters of the viscoelastic model. The method comprises the following specific steps: firstly, adopting a nondestructive testingsystem for viscoelasticity of the livestock and poultry meat to acquire and calculate strain data of a to-be-tested sample; then, selecting multi-element models according to deformation characteristics of the to-be-tested sample, performing data fitting on the strain data by combining the different multi-element models with different data fitting algorithms, and establishing a plurality of multi-element viscoelastic models for the livestock and poultry meat; finally, comparing the fitting effects of the plurality of multi-element viscoelastic models for the livestock and poultry meat, selecting the optimal multi-element viscoelastic model for the livestock and poultry meat according to actual demands and calculating the viscoelastic parameters. Nondestructive and rapid testing of viscoelasticity of the livestock and poultry meat is realized finally.
Description
technical field [0001] The invention belongs to the technical field of food detection, and relates to a viscoelastic nondestructive detection method of livestock and poultry meat, in particular to a method for establishing a multi-element viscoelastic model and determining its viscoelastic parameters, which can realize nondestructive quantitative detection of viscoelasticity of livestock and poultry meat . Background technique [0002] For a long time, nutritious livestock and poultry meat has been a very popular food in countries all over the world. In recent years, the meat industry has developed rapidly and occupies an important position in the world. With the rapid growth of the economic level, consumers have an increasing demand for livestock and poultry meat, especially high-protein, low-fat beef and mutton. [0003] The viscoelasticity of food is one of the important physical properties to predict the texture and quality of food. The viscoelasticity of food is becom...
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IPC IPC(8): G01N3/10
CPCG01N3/10G01N2203/0019G01N2203/0044G01N2203/0075
Inventor 汤修映李岩磊徐杨董俊李政轩
Owner CHINA AGRI UNIV