CN115236292A - Method for judging comprehensive quality of fruits based on appearance indexes - Google Patents
Method for judging comprehensive quality of fruits based on appearance indexes Download PDFInfo
- Publication number
- CN115236292A CN115236292A CN202210847927.3A CN202210847927A CN115236292A CN 115236292 A CN115236292 A CN 115236292A CN 202210847927 A CN202210847927 A CN 202210847927A CN 115236292 A CN115236292 A CN 115236292A
- Authority
- CN
- China
- Prior art keywords
- fruit
- standard
- factor
- fruits
- expressed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 235000013399 edible fruits Nutrition 0.000 title claims abstract description 230
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000007787 solid Substances 0.000 claims abstract description 36
- 239000000796 flavoring agent Substances 0.000 claims abstract description 31
- 235000019634 flavors Nutrition 0.000 claims abstract description 31
- 238000013441 quality evaluation Methods 0.000 claims abstract description 6
- 230000007246 mechanism Effects 0.000 claims abstract description 5
- 239000011159 matrix material Substances 0.000 claims description 25
- 238000011156 evaluation Methods 0.000 claims description 18
- 210000001113 umbilicus Anatomy 0.000 claims description 12
- 208000027418 Wounds and injury Diseases 0.000 claims description 10
- 238000009826 distribution Methods 0.000 claims description 9
- 206010052428 Wound Diseases 0.000 claims description 8
- 201000010099 disease Diseases 0.000 claims description 6
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 claims description 6
- 238000004040 coloring Methods 0.000 claims description 5
- 230000006378 damage Effects 0.000 claims description 5
- 230000003247 decreasing effect Effects 0.000 claims description 5
- 208000014674 injury Diseases 0.000 claims description 3
- 239000002932 luster Substances 0.000 claims description 3
- 230000036244 malformation Effects 0.000 claims description 3
- 208000034656 Contusions Diseases 0.000 claims description 2
- 241000238631 Hexapoda Species 0.000 claims description 2
- 208000025865 Ulcer Diseases 0.000 claims description 2
- 235000009508 confectionery Nutrition 0.000 claims description 2
- 239000003205 fragrance Substances 0.000 claims description 2
- 239000008369 fruit flavor Substances 0.000 claims description 2
- 238000007619 statistical method Methods 0.000 abstract 1
- 235000005976 Citrus sinensis Nutrition 0.000 description 5
- 240000002319 Citrus sinensis Species 0.000 description 5
- 235000009300 Ehretia acuminata Nutrition 0.000 description 3
- 244000046038 Ehretia acuminata Species 0.000 description 3
- 210000003746 feather Anatomy 0.000 description 2
- VEUMANXWQDHAJV-UHFFFAOYSA-N 2-[2-[(2-hydroxyphenyl)methylideneamino]ethyliminomethyl]phenol Chemical compound OC1=CC=CC=C1C=NCCN=CC1=CC=CC=C1O VEUMANXWQDHAJV-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- OVBPIULPVIDEAO-LBPRGKRZSA-N folic acid Chemical compound C=1N=C2NC(N)=NC(=O)C2=NC=1CNC1=CC=C(C(=O)N[C@@H](CCC(O)=O)C(O)=O)C=C1 OVBPIULPVIDEAO-LBPRGKRZSA-N 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/02—Food
- G01N33/025—Fruits or vegetables
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G06F17/10—Complex mathematical operations
- G06F17/16—Matrix or vector computation, e.g. matrix-matrix or matrix-vector multiplication, matrix factorization
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G06F17/10—Complex mathematical operations
- G06F17/18—Complex mathematical operations for evaluating statistical data, e.g. average values, frequency distributions, probability functions, regression analysis
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/30—Computing systems specially adapted for manufacturing
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Data Mining & Analysis (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computational Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Food Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Algebra (AREA)
- General Engineering & Computer Science (AREA)
- Databases & Information Systems (AREA)
- Software Systems (AREA)
- Analytical Chemistry (AREA)
- Bioinformatics & Computational Biology (AREA)
- Probability & Statistics with Applications (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Operations Research (AREA)
- Medicinal Chemistry (AREA)
- Evolutionary Biology (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Computing Systems (AREA)
- Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
Abstract
The invention discloses a comprehensive fruit quality evaluation method based on appearance indexes, which can be applied to fruits which can be graded based on appearance indexes such as specification, fruit shape, color, fineness, maturity, soluble solid content and flavor. According to the method, the price mechanism corresponding to the grading standard is mined for weight setting through statistical analysis of selling price data, membership functions corresponding to different factors are given according to the selling price data and the fruit grading standard, so that the comprehensive quality judgment value of the fruit is finally given, and a reference basis is provided for determining the specific pricing of purchasing or selling the graded fruit.
Description
Technical Field
The invention belongs to the technical field of fruit post-harvest processing, and particularly relates to a method for carrying out fuzzy comprehensive evaluation on comprehensive quality of fruits under the application background that price mechanisms of sales price data are subjected to statistical mining and used for weight analysis and fruit grading standards are established on the basis of appearance indexes.
Background
Depending on the fruit specification and requirements, the harvested fruit can be classified into different grades and directly linked to the benefits of packaging, transportation, storage and sale of the fruit. However, the fruits still have certain quality difference in one grade, so that the corresponding purchase or sale price needs to be made according to the specific appearance indexes of the fruits.
Disclosure of Invention
The invention aims to provide a reference basis for classifying fruits based on appearance indexes such as specification, fruit shape, color, smoothness, maturity, soluble solid content and flavor, and the like, excavates a price mechanism corresponding to a classification standard by statistically analyzing sales price data for weight setting, and gives membership functions corresponding to different factors by combining sales conditions and fruit classification standards, thereby finally giving a comprehensive quality judgment score of the fruits and determining specific pricing of purchasing or selling of the classified fruits.
In order to achieve the above object, the present invention comprises the following steps shown in fig. 1:
step 1: let factor set U = { U = } 1 ,u 2 ，u 3 ，u 4 ，u 5 ，u 6 In which u 1 As a specification, u 2 Is fruit-shaped, u 3 For color u 4 To a smooth finish, u 5 To maturity and soluble solids, u 6 Is a flavor; let the evaluation result be divided into 4 grades, and the evaluation set be V = { V = 1 (Special grade), v 2 (first order), v 3 (second order), v 4 (third level) }, the grade division standard corresponding to the single factor can refer to the national or industrial standard of the fruit; according to the division of the factor set U and the evaluation set V, a single factor U can be set i (i ∈ 6) corresponding membership function
As follows:
(1) Corresponding specification factor u 1 Membership function of
Can be expressed as:
wherein x is 1 The transverse diameter of the fruit, a 1 Is the minimum standard of the cross diameter of the special fruit, a 2 Is the maximum standard of the transverse diameter of the special fruit, a 3 Is the minimum standard of the cross diameter of the fruit of the third-class fruit, price max The price () is the corresponding index x of the fruit i 、y i And z i Etc. statistical average price per unit function, b 1 For the triangular adjustment coefficient of the corresponding specification of the fruit, true () is a function for judging whether the bracket is established, 1 is output if the bracket is established, and 0 is output if the bracket is not established;
(2) Corresponding fruit shape factor u 2 Membership function of
Can be expressed as:
wherein x is 2 The size of the fruit umbilicus, y 2 Degree of deformity, a 4 Is the maximum standard of the fruit umbilicus of special grade fruit, a 5 Is the maximum standard of the umbilicus of the second-level fruits, a 6 As the threshold of fruit malformation, b 2 And b 3 Respectively the evaluation coefficient and the evaluation power index of the malformed fruit, b 4 And b 5 The fruit umbilicus conditions of the third-level fruit and the second-level fruit are triangularly adjusted by a coefficient, e is a natural number, d 1 The triangular phase increment of the navel condition of the fruit corresponding to the third-level fruit;
(3) Corresponding to the color factor u 3 Membership function of
Can be expressed as:
wherein x is 3 Is the degree of coloration, y 3 To the extent of uniformity of color distribution, a 7 Is the lowest standard for the tinctorial yield of super-grade fruits, a 8 The lowest standard of the color ratio of the third-class fruit, a 9 B is the threshold for uniform color distribution 8 A triangular adjustment coefficient corresponding to the coloring rate of the fruit, b 6 And b 7 Respectively an evaluation coefficient and an evaluation power index of the color and luster distribution uniformity degree;
(4) Corresponding to the fineness factor u 4 Membership function of
Can be expressed as:
wherein x is 4 As area ratio of deposit, y 4 1 in the presence of stabbing wound and bump-crush wound, and 0 in the absence of stabbing wound and bump-crush wound 4 The existence condition of quarantine venereal disease fruit, the existence but no ulcer disease tick damage spot is 1, the non quarantine venereal disease fruit is 0 11 Is the area ratio standard of attachments of first-class fruits, a 12 Is the area proportion standard of attachments of the second-level fruits, a 13 Is the area proportion standard of attachments of the third-class fruits, b 8 And b 9 The influence coefficients of the existence of stabbing wound and bruising and the existence of quarantine insect fruit, b 10 、b 11 、b 12 Triangulating adjustment coefficients for attachment conditions of the first-level fruits, the second-level fruits and the third-level fruits corresponding to the fruits;
(5) Corresponding maturity and soluble solids factor u 5 Membership function of
Can be expressed as:
wherein x is 5 To maturity, y 5 As a proportion of soluble solids, a 14 Is the maturity standard of special fruit, a 15 Is the proportion standard of soluble solids of special grade fruits, a 16 For the maturity criteria of the marketable state of the fruit, a 17 The proportion of soluble solids for the marketable condition of the fruit, b 13 A triangular adjustment coefficient for the corresponding maturity status of the fruit type, b 14 Triangulating coefficients for the fruit type corresponding to the condition of the soluble solids;
(6) Corresponding to windTaste factor u 6 Membership function of
Can be expressed as:
wherein x is 6 ∈[0,1]The sweetness status of the fruit is that the intense sweetness is 1, the intense sweetness is gradually decreased to no sweetness is 0 6 ∈[0,1]The aroma of the fruit is 1, the aroma is gradually decreased to 0 without aroma 6 ∈[0,1]The flavor of the fruit is in a continuous state, wherein the flavor is kept for 1, the flavor is gradually reduced to be not 0 for a long time 15 、b 16 、b 17 The triangular adjustment coefficients corresponding to the sweetness status, the aroma status and the flavor duration status of the fruits are respectively set;
and 2, step: the original element R in the judgment matrix R can be obtained by counting the sales price data of the fruits combining the factors of specification, fruit shape, color, finish, maturity, soluble solid, flavor and the like in the past and analyzing the price mechanism of the fruits i,j Specifically, the following is shown:
(1) Corresponding specification factor u 1 Is determined by the original element r of the matrix 1,j Can be expressed as:
wherein K is the total number K, and counting a certain fruit in the fruit, namely K belongs to K, sale (K) is the unit selling price of the fruit K, and x 1 The transverse diameter of the fruit, c 1 The primary fruit has the largest fruit transverse diameter standard, price level1 Is the base unit price of first-class fruit, price level2 Is the base unit price of first-class fruit, price level3 Is the base unit price of the first-grade fruit, c 2 The minimum standard of the fruit transverse diameter of the second-level fruit, c 3 The maximum standard of the fruit transverse diameter of the third-level fruits;
(2) Corresponding fruitForm factor u 2 Is determined by the original element r of the matrix 2,j Can be expressed as:
(3) Corresponding color factor u 3 Is determined by the original element r of the matrix 3,j Can be expressed as:
(4) Corresponding to a smoothness factor u 4 Is determined by the original element r of the matrix 4,j Can be expressed as:
(5) Corresponding maturity and soluble solids factor u 5 Is determined by the original element r of the matrix 5,j Can be expressed as:
wherein x is 5 To maturity, y 5 As the soluble solid content ratio, a 14 Is the maturity standard of special fruit, a 15 Is the soluble solid proportion standard of the super fruit, a 16 For the maturity criteria of the marketable state of the fruit, a 17 Soluble solids ratio standard for marketable fruit, b 13 A triangular adjustment coefficient for the corresponding maturity status of the fruit of this type, b 14 The triangular adjustment coefficient of the fruit corresponding to the soluble solid state condition;
(6) Corresponding to flavor factor u 6 Is determined to be originalElement r 6,j Can be expressed as:
wherein, c 4 As a measure of longer flavour, c 5 As a measure of aroma, c 6 As a good flavor criterion, c 7 As a relatively sweet standard, c 8 Is a standard with a little fragrance;
from the original element r i,j Can construct a normalized 6 multiplied by 4 judgment matrix R of
And 3, step 3: the comprehensive quality evaluation result of a certain fruit can be obtained by observing the appearance indexes of the fruit such as specification, fruit shape, color, finish, maturity, soluble solid content, flavor and the like and calculating with a judgment matrix
Wherein the operator
The M (+,) mode is used.
Drawings
FIG. 1: a flow chart for judging the comprehensive quality of the fruits based on the appearance indexes.
Detailed Description
The appearance indexes of the existing puna and na variety navel orange can be classified into a special grade, a first grade, a second grade and a third grade, and the existing grading standard can be shown in the following table 1.
TABLE 1 Penna variety navel orange fruit grading Standard
The technical scheme provided by the invention is explained in detail by combining with a specific embodiment of judging the comprehensive quality of fruits of the punna variety navel orange, and specifically comprises the following steps:
step 1: let factor set U = { U = } 1 ,u 2 ，u 3 ，u 4 ，u 5 ，u 6 In which u 1 To specification, u 2 Is fruit-shaped, u 3 For color u 4 To a smooth finish, u 5 To maturity and soluble solids, u 6 Is a flavor; let the evaluation result be divided into 4 grades, and the evaluation set be V = { V = 1 (Special grade), v 2 (first order), v 3 (second order), v 4 (three-stage) }; according to a single factor u i (i ∈ 6) evaluation level v j (j∈[1,4]) Partitioning to define corresponding membership functions
As follows:
(1) Setting the minimum standard a of the transverse diameter of the special fruit 1 7.5cm, maximum standard a of fruit transverse diameter of special grade fruit 2 8.5cm, minimum standard a of fruit transverse diameter of third-class fruit 3 6.5cm, the standard unit price of special grade fruit of the fruit max Set as 17CNY/Kg, the triangle adjusting coefficient b of the fruit corresponding to the specification 1 Is composed of
Then corresponding to the specification factor u 1 Membership function of
Can be expressed as:
wherein，x 1 The size of the transverse diameter of the fruit, price () is the index x corresponding to the fruit i 、y i And z i A statistical average unit price function of the like, true () is a function for judging whether the parentheses are true or not;
(2) Setting the maximum standard a of the fruit umbilicus of special grade fruit 4 15mm, maximum umbilicus standard of second-level fruit 5 20mm, threshold of fruit malformation a 6 5% of the abnormal fruit, evaluation coefficient b 2 And evaluating the power exponent b 3 Are respectively as
And 20, the fruit corresponds to the triangular phase increment d of the navel condition of the third-level fruit 1 Is pi/6, the fruit of the same type corresponds to the fruit navel condition triangular adjustment coefficient b 4 And b 5 All are pi/2, which corresponds to the fruit shape factor u 2 Membership function of
Can be expressed as:
wherein x is 2 Is the size of the fruit umbilicus, y 2 The degree of deformity is e is a natural number;
(3) Setting the minimum standard a of the coloring rate of the special fruit 7 90%, minimum standard of coloring rate of third-class fruit 8 80 percent, and a threshold of uniform color distribution 9 85% of the total amount of the fruit, corresponding to the triangular adjustment coefficient b of the coloring rate 8 Is composed of
Evaluation coefficient b of degree of uniformity of color distribution 6 And evaluating the power exponent b 7 Are respectively as
And 1.17, corresponding to the color factor u 3 Membership function of
Can be expressed as:
wherein x is 3 Is the degree of coloration, y 3 The color and luster distribution is uniform;
(4) Setting the attachment area proportion standard a of first-class fruits 11 10% of the second grade fruit attachment area ratio standard a 12 15% of the third-class fruits, and the area ratio standard of the attachments of the third-class fruits a 13 20% of the total amount of the components, and an influence coefficient b of the occurrence of stabbing and crushing 8 And the influence coefficient b of the existence condition of quarantine venereal disease fruit 9 All are 0.01, the attachment state triangular adjustment coefficient b of the fruits corresponding to the first-level fruits, the second-level fruits and the third-level fruits 10 、b 11 、b 12 Are respectively as
10 π, corresponds to the smoothness factor u 4 Membership function of
Can be expressed as:
wherein x is 4 As area ratio of deposit, y 4 In the presence of stabbing or impact-pressure injuries, z 4 The existence condition of the quarantine venereal disease fruit;
(5) Setting the maturity standard a of special fruit 14 90% of the soluble solid content of the super fruit 15 11% of the fruit, maturity criteria of marketable status of the fruit a 16 80% of the total amount of the soluble solid content, a Standard of the soluble solid content ratio of marketable fruit 17 10 percent, the triangular adjustment coefficient b of the fruit of the class corresponding to the maturity condition 13 Is composed of
Triangular adjustment coefficient b of the fruit corresponding to the condition of soluble solid 14 Is composed of
Corresponding to the maturity and soluble solids factor u 5 Membership function of
Can be expressed as:
wherein x is 5 To maturity, y 5 Is the proportion of soluble solid;
(6) Setting triangular adjustment coefficient b corresponding to sweetness status, aroma status and flavor duration status of the fruits 15 、b 16 、b 17 Are all provided with
Then corresponding to the flavor factor u 6 Membership function of
Can be expressed as:
wherein x is 6 ∈[0,1]For sweetness profile of fruit, y 6 ∈[0,1]For fruit aroma status, z 6 ∈[0,1]The flavor of the fruit is in a continuous state;
step 2: by counting the selling price data of the fruit in the past combining with various factors such as specification, fruit shape, color, smoothness, maturity, soluble solid, flavor and the likeThe original element R in the judgment matrix R can be obtained by over-analysis i,j ：
(1) Setting the maximum standard c of the fruit transverse diameter of the first-grade fruit 1 For the base unit price of the first level fruit level1 15.6CNY/Kg, the base unit price of the secondary fruit level2 12.5CNY/Kg, the base unit price of the third-level fruit level3 Is 10CNY/Kg, the minimum standard of the fruit transverse diameter of the secondary fruit c 2 Is 7cm, the maximum standard c of the fruit transverse diameter of the third-class fruit 3 9.5cm, corresponding to the specification factor u 1 Is determined by the original element r of the matrix 1,j Can be expressed as:
wherein K is the total number K, counting a certain fruit in the fruit, and salen (K) is the unit selling price of the fruit K;
(2) Corresponding fruit shape factor u 2 Is determined by the original element r of the matrix 2,j Can be expressed as:
(3) Corresponding color factor u 3 Is determined by the original element r of the matrix 3,j Can be expressed as:
(4) Corresponding to a smoothness factor u 4 Is determined by the original element r of the matrix 4,j Can be expressed as:
(5) Corresponding maturity and soluble solids factor u 5 Is determined by the original element r of the matrix 5,j Can be expressed as:
(6) Set longer flavor criteria c 4 0.8, fragrant standard c 5 0.8, good flavor criteria c 6 0.6, sweeter standard c 7 0.8, standard c with little aroma 8 0.6 corresponds to the flavor factor u 6 Is determined by the original element r of the matrix 6,j Can be expressed as:
according to the specification, fruit shape, color, finish, maturity, soluble solid, flavor and other factor information and sales price data of the fruit of the puna and na variety navel orange with the total number K =1000, a puna and na variety navel orange-oriented normalized judgment matrix R is obtained as follows:
and step 3: specific information of appearance indexes such as specification, fruit shape, color, finish, maturity, soluble solid content and flavor of a certain Penna navel orange variety is set as follows: transverse diameter x of fruit 1 8.6cm, size of fruit umbilicus x 2 14mm, degree of deformity y 2 1% of the total amount of the coloring agent, x 3 92% of color, uniform distribution degree y 3 85% of the deposit area ratio x 4 1% Presence of puncture wound, bump wound 4 0, presence of quarantine fruit z 4 Is 0, maturity x 5 90% of soluble solid content ratio y 5 10.5%, sweetness profile x of fruit 6 1, fruit aroma status y 6 1, fruit flavor duration z 6 Is 0.9, and thus can be based on the operator
Using the M (+,) modeCalculating the comprehensive quality evaluation result of the fruit
According to the membership principle, the maximum value in the B is the first item, and can belong to the category of special products, but the information of the partially undesirable appearance indexes of the fruits is reflected, so that detailed fruit judgment reference information is provided under the actual application environment of fruit purchase or sale, and the specific pricing of the fruits is facilitated.
Claims (14)
1. A fruit comprehensive quality evaluation method based on appearance indexes is characterized by comprising the following steps:
step 1: according to the factor set U = { U = { (U) } 1 ,u 2 ，u 3 ，u 4 ，u 5 ，u 6 And evaluation set V = { V = } 1 (Special grade), v 2 (first order), v 3 (second order), v 4 (three-level) } settable membership functions
Wherein u 1 As a specification, u 2 Is fruit-shaped, u 3 For color u 4 To a smooth finish, u 5 To maturity and soluble solids, u 6 For flavor, v 1 Is special grade, v 2 Is first order, v 3 Is two-stage, v 4 Is three-stage;
step 2: the original element R in the judgment matrix R can be obtained by counting the selling price data of the fruit in the past in combination with various factors such as specification, fruit shape, color, smoothness, maturity, soluble solid, flavor and the like and analyzing the price mechanism of the fruit i,j ；
And step 3: the comprehensive quality evaluation result of the fruit can be obtained by observing the appearance indexes of the specification, the shape, the color, the smoothness, the maturity, the soluble solid content, the flavor and the like of a certain fruit and calculating with a judgment matrix.
2. The method as claimed in claim 1, wherein in step one, the membership function is selected from the group consisting of
In the specification, corresponding to the specification factor u 1 Membership function of
Can be expressed as:
wherein x is 1 The transverse diameter of the fruit is a 1 Is the minimum standard of the transverse diameter of the special fruit, a 2 The maximum standard of the cross diameter of the special fruit, a 3 Is the minimum standard of the cross diameter of the fruit of the third-class fruit, price max The price () is the index x corresponding to the special grade fruit of the fruit i 、y i And z i Etc. statistical mean unit price function of b 1 For the triangle adjustment coefficient of the corresponding specification of the fruit, true () is a function for judging whether the bracket is true, 1 is output if true, and 0 is output if false.
3. The method as claimed in claim 2, wherein the membership function is a function of the fruit's overall quality
Middle, corresponding to fruit form factor u 2 Membership function of
Can be expressed as:
wherein x is 2 Is the size of the fruit umbilicus, y 2 Degree of deformity, a 4 Is the maximum standard of the fruit umbilicus of special grade fruit, a 5 Is the maximum standard of the umbilicus of the second-level fruits, a 6 As the threshold of fruit malformation, b 2 And b 3 Respectively the evaluation coefficient and the evaluation power index of the malformed fruit, b 4 And b 5 The fruit umbilicus conditions of the third-level fruit and the second-level fruit are triangularly adjusted by a coefficient, e is a natural number, d 1 The triangular phase increment of the navel condition of the fruit corresponding to the third-level fruit.
4. The method as claimed in claim 3, wherein the membership function is a function of the fruit's overall quality
Middle, corresponding to color factor u 3 Membership function of
Can be expressed as:
wherein x is 3 Is the degree of coloration, y 3 To a degree of uniformity of color distribution, a 7 Is the lowest standard for the color yield of special fruit, a 8 Is the lowest standard of the tinctorial yield of the third-class fruit, a 9 B is a threshold for uniform color distribution 8 A triangular adjustment coefficient corresponding to the coloring rate of the fruit, b 6 And b 7 Respectively an evaluation coefficient and an evaluation power index of the color and luster distribution uniformity degree.
5. The method as claimed in claim 4, wherein the membership function is a function of a color index of the fruit
Middle, corresponding to the smoothness factor u 4 Membership function of
Can be expressed as:
wherein x is 4 As area ratio of deposit, y 4 1 in the presence of puncture and impact and pressure injury, and 0 in the absence of puncture and pressure injury 4 The existence condition of quarantine venereal disease fruit, the existence but no ulcer disease tick damage spot is 1, the non quarantine venereal disease fruit is 0 11 Is the area ratio standard of attachments of first-class fruits, a 12 Is the area proportion standard of attachments of the second-level fruits, a 13 Is the area proportion standard of attachments of the third-class fruits, b 8 And b 9 The influence coefficients of the existence of stabbing wound and bruising and the existence of quarantine insect fruit, b 10 、b 11 、b 12 And triangulating coefficients for attachment conditions of the fruits corresponding to the first-level fruits, the second-level fruits and the third-level fruits.
6. The method as claimed in claim 5, wherein the membership function is a function of a color index of the fruit
In (b) corresponding to the maturity and soluble solids factor u 5 Membership function of
Can be expressed as:
wherein x is 5 To maturity, y 5 As a proportion of soluble solids, a 14 Is the maturity standard of special fruit, a 15 Is the proportion standard of soluble solids of special grade fruits, a 16 For the maturity criteria of the marketable state of the fruit, a 17 Soluble solids ratio standard for marketable fruit, b 13 A triangular adjustment coefficient for the corresponding maturity status of the fruit of this type, b 14 And (4) triangulating the coefficient of the fruit corresponding to the soluble solid state condition.
7. The method as claimed in claim 6, wherein the membership function is a function of a color index of a fruit
In the middle, corresponding to flavor factor u 6 Membership function of
Can be expressed as:
wherein x is 6 ∈[0,1]The sweetness status of the fruit is that the intense sweetness is 1, the intense sweetness is gradually decreased to no sweetness is 0 6 ∈[0,1]The aroma of the fruit is 1, the aroma is gradually decreased to 0 without aroma 6 ∈[0,1]For a fruit flavor duration in which a flavor duration of 1 is achieved, successively decreasing to a non-duration of 0 15 、b 16 、b 17 The triangular adjustment coefficients corresponding to sweetness status, aroma status and flavor duration status of the fruits are respectively set.
8. The method according to claim 1, wherein in step two, the original element r is the original element r i,j In (1) corresponding to the specification factor u 1 Is determined by the original element r of the matrix 1,j Can be expressed as:
wherein K is the total number K, a certain fruit in the fruit is counted, namely K belongs to K, sale (K) is the unit sale price of the fruit K, and c 1 The primary fruit has the largest fruit transverse diameter standard, price level1 Is the base unit price of first-class fruit, price level2 Price, base unit price, of secondary fruit level3 Is the base unit price of the third-class fruit, c 2 The minimum standard of the fruit transverse diameter of the second-level fruit, c 3 Is the maximum standard of the fruit transverse diameter of the third-class fruit.
9. The method as claimed in claim 8, wherein the original element r is selected from the group consisting of i,j Middle, corresponding to fruit form factor u 2 Is determined by the original element r of the matrix 2,j Can be expressed as:
10. the method according to claim 9, wherein the original element r is the original element r i,j Middle, corresponding to the color factor u 3 Is determined by the original element r of the matrix 3,j Can be expressed as:
11. the method as claimed in claim 10, wherein the original element r is selected from the group consisting of i,j In, correspond toSmoothness factor u 4 Is determined by the original element r of the matrix 4,j Can be expressed as:
12. the method as claimed in claim 11, wherein the raw element r is a fruit quality index i,j In (1), corresponding to the maturity and soluble solid factor u 5 Is determined by the original element r of the matrix 5,j Can be expressed as:
13. the method according to claim 12, wherein the original element r is the original element r i,j In (b), corresponding to flavor factor u 6 Is determined by the original element r of the matrix 6,j Can be expressed as:
wherein, c 4 As a measure of longer flavour, c 5 As a measure of aroma, c 6 As a good flavor criterion, c 7 As a relatively sweet standard, c 8 Is a standard with a little fragrance;
from the original element r i,j Can construct a normalized 6 multiplied by 4 judgment matrix R of
14. The method according to claim 1, wherein the result of the overall fruit quality evaluation in step three is represented as:
wherein the operator
M (+,) mode is used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210847927.3A CN115236292A (en) | 2022-07-19 | 2022-07-19 | Method for judging comprehensive quality of fruits based on appearance indexes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210847927.3A CN115236292A (en) | 2022-07-19 | 2022-07-19 | Method for judging comprehensive quality of fruits based on appearance indexes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115236292A true CN115236292A (en) | 2022-10-25 |
Family
ID=83673743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210847927.3A Pending CN115236292A (en) | 2022-07-19 | 2022-07-19 | Method for judging comprehensive quality of fruits based on appearance indexes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115236292A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116645664A (en) * | 2023-04-11 | 2023-08-25 | 江西绿萌科技控股有限公司 | Fruit appearance quality evaluation method based on coloring surface condition analysis |
| CN116739403A (en) * | 2023-03-27 | 2023-09-12 | 绿萌科技股份有限公司 | Fruit comprehensive quality evaluation method based on quality condition distribution |
| CN116645664B (en) * | 2023-04-11 | 2024-07-12 | 绿萌科技股份有限公司 | Fruit appearance quality evaluation method based on coloring surface condition analysis |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106408436A (en) * | 2016-09-18 | 2017-02-15 | 国网福建省电力有限公司 | Fuzzy comprehensive evaluation method for voltage sag loss risk of wafer manufacturing enterprise |
| CN106841545A (en) * | 2017-02-14 | 2017-06-13 | 蚌埠学院 | Based on the tealeaves organoleptic quality evaluations method for improving fuzzy comprehensive evaluation method |
| CN109002978A (en) * | 2018-07-05 | 2018-12-14 | 山东省城市供排水水质监测中心 | A kind of coagulant efficiency evaluation method based on fuzzy synthesis mathematics |
| US20190041374A1 (en) * | 2017-08-03 | 2019-02-07 | Central South University Of Forestry And Technology | Rapid screening method of processing raw rice for rice products |
| CN114354637A (en) * | 2022-01-20 | 2022-04-15 | 河北工业大学 | Fruit quality comprehensive grading method and device based on machine vision and X-ray |
-
2022
- 2022-07-19 CN CN202210847927.3A patent/CN115236292A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106408436A (en) * | 2016-09-18 | 2017-02-15 | 国网福建省电力有限公司 | Fuzzy comprehensive evaluation method for voltage sag loss risk of wafer manufacturing enterprise |
| CN106841545A (en) * | 2017-02-14 | 2017-06-13 | 蚌埠学院 | Based on the tealeaves organoleptic quality evaluations method for improving fuzzy comprehensive evaluation method |
| US20190041374A1 (en) * | 2017-08-03 | 2019-02-07 | Central South University Of Forestry And Technology | Rapid screening method of processing raw rice for rice products |
| CN109002978A (en) * | 2018-07-05 | 2018-12-14 | 山东省城市供排水水质监测中心 | A kind of coagulant efficiency evaluation method based on fuzzy synthesis mathematics |
| CN114354637A (en) * | 2022-01-20 | 2022-04-15 | 河北工业大学 | Fruit quality comprehensive grading method and device based on machine vision and X-ray |
Non-Patent Citations (4)
| Title |
|---|
| 姚延波: "我国旅游企业诚信评价体系研究", 31 December 2017, 南开大学出版社, pages: 102 - 103 * |
| 潘峰, 付强, 梁川: "基于层次分析法的模糊综合评价在水环境质量评价中的应用", 东北水利水电, no. 08, 25 August 2003 (2003-08-25) * |
| 谢中华: "MATLAB与数学建模", 30 September 2019, 北京航空航天大学出版社, pages: 320 - 321 * |
| 郑子苹: "数学建模教程", 30 June 2013, 东北大学出版社, pages: 145 - 147 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116739403A (en) * | 2023-03-27 | 2023-09-12 | 绿萌科技股份有限公司 | Fruit comprehensive quality evaluation method based on quality condition distribution |
| CN116645664A (en) * | 2023-04-11 | 2023-08-25 | 江西绿萌科技控股有限公司 | Fruit appearance quality evaluation method based on coloring surface condition analysis |
| CN116645664B (en) * | 2023-04-11 | 2024-07-12 | 绿萌科技股份有限公司 | Fruit appearance quality evaluation method based on coloring surface condition analysis |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN115236292A (en) | Method for judging comprehensive quality of fruits based on appearance indexes | |
| Smutka et al. | Changes in the Czech agrarian foreign trade competitiveness-different groups of partners' specifics. | |
| Rachmat et al. | The empirical relationship between price and quality of rice at market level in West Java | |
| Bielik et al. | Czech and Slovak agricultural foreign trade--two decades after the dissolution. | |
| Mohanty et al. | Measures of core inflation for India | |
| Thursby et al. | The law of one price and the modelling of disaggregated trade flows | |
| US20070110875A1 (en) | Juices Incorporating Early Season Cultivars | |
| Abukari et al. | Perceived quality characteristics influencing households’ preference for local and imported rice and their effect on price in the northern region, Ghana | |
| Onogwu | Determinants of the intra-industry trade in cereal and miscellaneous edible preparations: the evidence for Nigeria and the ECOWAS partners. | |
| Sharma | Food security in the south pacific island countries with special reference to the Fiji Islands | |
| CN115033756A (en) | Screening and planting suitability area evaluation method of citrus fruit comprehensive quality evaluation model | |
| Teal | The supply of agricultural output in Nigeria, 1950–1974 | |
| Patindol | Methods and standards for rice grain quality assessment in the Philippines | |
| Toquero | Consumer demand for rice grain quality | |
| Patra et al. | Anatomy of inflation’s ascent in India | |
| Buturac et al. | Vertical specialization and intra-industry trade: The case of Croatia | |
| Pumkaesorn et al. | Exploring the effect of different number of periods in Thailand natural rubber supply forecasting models | |
| Kang et al. | Structure and conduct of the world rice market | |
| Onogwu | Regional Characteristics Effects on Intra-Industry Trade in Residues and Wastes from Food Mill Industry | |
| Karaman et al. | Export Competitiveness of Türkiye Agri-food Products in the European Union and The Shanghai Cooperation Markets | |
| Picazo et al. | Quality And Prices Of Intra-European Trade Of Food-Industry Products | |
| Catacutan et al. | Exportable Production Forecast of Southeast Asian Coffee Exporting Countries | |
| Singh et al. | Indian agricultural and processed food products: Export concentration, growth, and instability | |
| Salsabila et al. | Determinants of Indonesian CPO Exports 2018–2022 | |
| Guo | Research on China’s Export of Agricultural Products to the US—Based on Trivariate Marginal Analysis |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 341600 No. 9, Shuanglong Avenue, High tech Zone, Xinfeng County, Ganzhou, Jiangxi Province Applicant after: Lvmeng Technology Co.,Ltd. Address before: Lumeng Technology Holdings Co., Ltd., No. 30 Chengxin Avenue, Xinfeng County Industrial Park, Ganzhou City, Jiangxi Province 341600 Applicant before: JIANGXI REEMOON TECHNOLOGY HOLDINGS Co.,Ltd. |
|
| CB02 | Change of applicant information |