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Method for calculating volume and mass of egg on basis of line of apsides

A technology of volume calculation, long and short diameter, applied in the field of calculation of physical parameters of objects, to achieve the effect of simple calculation method, simplified mass model, and less measurement parameters

Inactive Publication Date: 2012-08-08
JIANGSU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there is no relevant literature report on the use of standard ellipsoid volume to estimate the volume and quality of poultry eggs.

Method used

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  • Method for calculating volume and mass of egg on basis of line of apsides

Examples

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Effect test

Embodiment 1

[0016] Take 200 fresh grass eggs and measure their maximum major axis diameter with a digital display vernier caliper L and the maximum minor axis diameter B , using the standard ellipsoid volume calculation formula (π LB 2 / 6) Estimate its volume V , then estimate the mass from the resulting estimated volume m . The average estimated volume of 200 grass eggs is 45.59cm 3 , the average estimated mass is 50.15g (the density is taken as 1.1g / cm 3 ); measured by the classic volumetric method (drainage method) and mass measurement method (weighing method), the average measured volume of 200 grass eggs is 46.90cm 3 , the average measured mass is 48.54g; the relative error of volume is 2.87%, and the relative error of mass is 3.21%.

Embodiment 2

[0018] Take 200 fresh foreign eggs and measure their maximum major axis diameter with a digital display vernier caliper L and the maximum minor axis diameter B , using the standard ellipsoid volume calculation formula (π LB 2 / 6) Estimate its volume V , then estimate the mass from the resulting estimated volume m . The average estimated volume of 200 foreign eggs is 56.78cm 3 , the average estimated mass is 62.46g (the density is taken as 1.1g / cm 3 ); measured by the classic volume measurement method (drainage method) and mass measurement method (weighing method), the average measured volume of 200 foreign eggs is 57.25cm 3 , the average measured mass is 61.06g; the relative error of volume is 0.82%, and the relative error of mass is 2.24%.

Embodiment 3

[0020] Take 200 fresh duck eggs and measure their maximum major axis diameter with a digital display vernier caliper L and the maximum minor axis diameter B , using the standard ellipsoid volume calculation formula (π LB 2 / 6) Estimate its volume V , then estimate the mass from the resulting estimated volume m . The average estimated volume of 200 duck eggs is 58.03cm 3 , the average estimated mass is 63.84g (the density is taken as 1.1g / cm 3 ); measured by the classic volume measurement method (drainage method) and mass measurement method (weighing method), the average measured volume of 200 duck eggs is 59.62cm 3 , the average measured mass is 62.42g; the relative error of the volume is 2.74%, and the relative error of the mass is 2.22%.

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Abstract

The invention relates to a method for calculating a volume and mass of an egg on the basis of a line of apsides, which belongs to the calculation field of object physical parameters. The method comprises the steps of: firstly measuring a maximal long axis diameter L and a maximal short axis diameter B of an egg, and estimating the volume V of the egg by utilizing a standard ellipsoid volume calculation formula (PhiLB2 / 6); and estimating the mass m (RhoV) through the estimated volume, wherein Rho represents a density of the egg, and the density of an ordinary egg is 1.1 / cm<3>. According to the method, the volume of non-standard ellipsoidal egg is estimated by directly utilizing the standard ellipsoid volume calculation formula, so that fewer measuring parameters are involved, and the calculation method is simple; the standard ellipsoid volume calculation formula is similar to a sphere volume formula, so that the standard ellipsoid volume calculation formula is direct and clear for estimating the volume of the egg and is convenient to memorize; an egg volume model and an egg mass model based on a computer image processing technology can be favorably simplified, the calculation amount can be reduced, and simultaneously the throughput can be estimated; the kinetics analysis of a middle egg in staged treatment and establishment of a model can be facilitated; and the packaging design of the egg can be favored.

Description

technical field [0001] The invention relates to a method for calculating the volume and mass of irregular objects, in particular to a method for calculating the volume and mass of poultry eggs based on long and short diameters, and belongs to the field of calculating physical parameters of objects. Background technique [0002] Egg volume is its basic characteristic parameter, the basic parameter of quality detection and kinetic analysis in automatic grading process of poultry eggs, and the basic parameter of poultry egg packaging design. At present, the research on the basic characteristics of poultry eggs, in the field of automatic grading of poultry eggs, many scholars have carried out research on poultry egg size grading models and quality models based on image processing technology, such as Wang Qiaohua and Xiong Lirong established duck eggs and egg size grading models, Zhou Ping Established a computer vision-based egg volume and surface area calculation method and qual...

Claims

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Application Information

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IPC IPC(8): G01B21/00G01G17/00
Inventor 姜松朱红力任晓锋蒋晓峰陈章耀王国江管国强陈庶来漆虹
Owner JIANGSU UNIV
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