WO2022202409A1 - 判定装置、学習装置、判定システム、判定方法、学習方法、及び、プログラム - Google Patents
判定装置、学習装置、判定システム、判定方法、学習方法、及び、プログラム Download PDFInfo
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- WO2022202409A1 WO2022202409A1 PCT/JP2022/010962 JP2022010962W WO2022202409A1 WO 2022202409 A1 WO2022202409 A1 WO 2022202409A1 JP 2022010962 W JP2022010962 W JP 2022010962W WO 2022202409 A1 WO2022202409 A1 WO 2022202409A1
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- deterioration
- degree
- determination device
- edible oil
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- 150000001299 aldehydes Chemical class 0.000 claims description 20
- HSDXVAOHEOSTFZ-UHFFFAOYSA-N 2-Pentylpyridine Chemical compound CCCCCC1=CC=CC=N1 HSDXVAOHEOSTFZ-UHFFFAOYSA-N 0.000 claims description 12
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- CAWHJQAVHZEVTJ-UHFFFAOYSA-N methylpyrazine Chemical compound CC1=CN=CC=N1 CAWHJQAVHZEVTJ-UHFFFAOYSA-N 0.000 description 8
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- SATICYYAWWYRAM-VNKDHWASSA-N (E,E)-hepta-2,4-dienal Chemical compound CC\C=C\C=C\C=O SATICYYAWWYRAM-VNKDHWASSA-N 0.000 description 4
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Images
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/12—Deep fat fryers, e.g. for frying fish or chips
-
- 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
- G01N33/03—Edible oils or edible fats
Definitions
- the present invention relates to a determination device, a learning device, a determination system, a determination method, a learning method, and a program.
- the sensor first detects the smell. Then, when the output of the sensor that detects the odor exceeds a predetermined threshold value, it is determined that the cooking oil has deteriorated, that is, that the degree of deterioration has increased. In this way, there is known a technique capable of determining the degree of deterioration of edible oil without attaching a device to the oil tank (see, for example, Patent Document 1).
- An object of the present invention is to accurately determine the degree of deterioration of cooking oil.
- the determination device is a determination device for determining the degree of deterioration of edible oil used for cooking fried food, an acquisition unit that acquires components generated from the edible oil; A first specifying part that specifies the content of aldehydes, Maillard reaction products, or fatty acids among the components; and a second identifying unit that identifies the degree of deterioration based on the content.
- the degree of deterioration of cooking oil can be accurately determined.
- FIG. 2 is a diagram showing the relationship between the content of 2-methylbutanal and the acid value.
- FIG. 2 is a diagram showing the relationship between the content of 2-methylbutanal and color tone.
- FIG. 4 is a diagram showing the relationship between the content of 3-methylbutanal and the acid value.
- FIG. 3 is a diagram showing the relationship between the content of 3-methylbutanal and color tone. It is a figure which shows the content of a heptanal, and the relationship of an acid value. It is a figure which shows the content of a heptanal, and the relationship of a color tone.
- FIG. 2 is a diagram showing the relationship between the content of 2-nonenal and the acid value.
- FIG. 2 is a diagram showing the relationship between the content of 2-nonenal and color tone.
- FIG. 2 is a diagram showing the relationship between the content of 2-pentylpyridine and the acid value.
- FIG. 2 is a diagram showing the relationship between the content of 2-pentylpyridine and color tone. It is a figure which shows the content of butanoic acid, and the relationship of an acid value. It is a figure which shows the content of butanoic acid, and the relationship of a color tone. It is a figure which shows the content of a pentanoic acid, and the relationship of an acid value. It is a figure which shows the content of a pentanoic acid, and the relationship of a color tone. It is a figure which shows the comparative example of the content of hexanal and the relationship of an acid value. It is a figure which shows the comparative example of the content of hexanal and the relationship of a color tone. FIG.
- FIG. 4 is a diagram showing a comparative example of the relationship between octanal content and acid value.
- FIG. 5 is a diagram showing a comparative example of the relationship between octanal content and color tone.
- FIG. 4 is a diagram showing a comparative example of the relationship between the content of 2,4-decadienal and the acid value.
- FIG. 4 is a diagram showing a comparative example of the relationship between the content of 2,4-decadienal and color tone.
- FIG. 4 is a diagram showing a comparative example of the relationship between the content of 2,4-heptadienal and the acid value.
- FIG. 4 is a diagram showing a comparative example of the relationship between the content of 2,4-heptadienal and color tone.
- FIG. 4 is a diagram showing a comparative example of the relationship between the content of 2,4-heptadienal and color tone.
- FIG. 3 is a diagram showing a comparative example of the relationship between the content of 2-methylpyrazine and the acid value.
- FIG. 3 is a diagram showing a comparative example of the relationship between the content of 2-methylpyrazine and color tone.
- FIG. 4 is a diagram showing a comparative example of the relationship between pyridine content and acid value. It is a figure which shows the comparative example of the content of a pyridine, and the relationship of a color tone. It is a figure which shows the comparative example of the content of a hexanoic acid, and the relationship of an acid value. It is a figure which shows the comparative example of the content of hexanoic acid, and the relationship of a color tone.
- 1 is a diagram showing an example of an information system 200;
- FIG. It is a figure which shows an example of a network structure. It is a figure showing an example of functional composition. It is a figure which shows the example of a basic composition.
- fried foods include fried chicken, croquettes, French fries, fried chicken, tempura, pork cutlets, and the like.
- FIG. 1 is a diagram showing a configuration example of the kitchen 1.
- An example of the edible oil is hereinafter referred to as "frying oil Y”.
- the kitchen 1 is, for example, inside a store such as a convenience store or a supermarket.
- the kitchen 1 is provided with facilities for cooking the fried food X.
- the facility is an electric fryer (Fryer, hereinafter simply referred to as "fryer 2").
- the fryer 2 is, for example, equipment having an oil tank 21, a housing 22, and the like.
- the oil tank 21 stores the frying oil Y. Also, the oil tank 21 is composed of, for example, a handle 30, a frying basket 3, and the like.
- the housing 22 accommodates the oil tank 21 .
- the housing 22 also has a switch 22A or the like on its side, which serves as a setting operation unit for setting the temperature of the frying oil Y or the contents of cooking for each type of fried food X.
- the cook When cooking, the cook first puts the fried food X into the fry basket 3. Next, the cook dips the frying basket 3 containing the fried food X in the frying oil Y stored in the oil tank 21 and hooks the handle 30 to the upper end of the housing 22 . At the same time, or before or after, the cook presses the switch 22A according to the type of fried food X. This operation starts frying.
- the fryer 2 notifies the cook of the completion of frying when a predetermined frying time has elapsed according to the switch 22A. At the same time, the fryer 2 raises the frying basket 3 from the oil tank 21 . In this way, the fried food X is lifted from the state of being immersed in the frying oil.
- the method of notification is, for example, a method of outputting a buzzer sound from a speaker, or a method of displaying on a monitor or the like.
- the elapse of frying time is notified by light, sound, or a combination thereof.
- the cook pulls up the fry basket 3 and takes out the fried food X.
- the fly basket 3 may be pulled up by a driving mechanism or the like.
- the kitchen 1 is not limited to the configuration using the utensils shown in the figure.
- the fryer 2 is a cooking utensil capable of cooking, the type, arrangement, etc. may be other than those shown in the drawings.
- An imaging device that images the frying oil Y may be installed in the kitchen 1 .
- the imaging device is a video camera.
- the video camera is attached to the ceiling or the like.
- the video camera continuously captures the surface of the frying oil Y, etc., and generates an image.
- the image be a moving image.
- conditions such as the angle of view and focus of the video camera are adjusted.
- the imaging device may be a camera or the like included in a mobile device such as a tablet or a smartphone.
- the kitchen 1 is provided with an exhaust port 10 and the like so as to exhaust substances volatilized from the fryer 2, air, and the like.
- the exhaust port 10 is installed in the upper part of the fryer 2 or the like.
- the sensor 11 is installed, for example, at the exhaust port 10 or the like. That is, the sensor 11 is desirably installed at a position such as the vicinity of the exhaust port 10 where the components volatilized from the cooking oil can be sufficiently detected.
- the senor 11 is a gas sensor or the like.
- the sensor 11 is not limited to the types described above. That is, the sensor 11 is a sensor that can analyze the type of substance and the amount of components by mass spectrometry (GC-MS) or the like, or if it is an odor sensor, the type, installation position, and number of sensors. etc.
- the sensor 11 may be a quartz crystal sensor, a metal oxide semiconductor sensor, a membrane surface stress sensor, a micro-electro-mechanical system (MEMS) semiconductor gas sensor, a portable gas analyzer, a sensor gas chromatograph, or the like.
- MEMS micro-electro-mechanical system
- the determination device 5 is, for example, an information processing device. Then, the determination device 5 is connected to, for example, the sensor 11 or the like, and receives data or the like indicating the results of analysis of components volatilizing from the cooking oil. Note that the determination device 5 may be connected to a device or the like that analyzes the result of detection by the sensor 11 or the like.
- the determination device 5 receives the detection result of the sensor 11, and acquires the components generated from the edible oil by analysis or the like.
- the determination device 5 is the following device.
- FIG. 2 is a diagram illustrating a hardware configuration example of an information processing apparatus.
- the determination device 5 is an information processing device having the following hardware resources.
- the determination device 5 has a Central Processing Unit (hereinafter referred to as "CPU 500A”), a Random Access Memory (hereinafter referred to as “RAM 500B”), and the like. Furthermore, the determination device 5 includes a Read Only Memory (hereinafter referred to as "ROM 500C”), a hard disk drive (hereinafter referred to as “HDD 500D”), an interface (hereinafter referred to as "I/F 500E”), etc. have a Central Processing Unit (hereinafter referred to as "CPU 500A”), a Random Access Memory (hereinafter referred to as "RAM 500B”), and the like. Furthermore, the determination device 5 includes a Read Only Memory (hereinafter referred to as "ROM 500C”), a hard disk drive (hereinafter referred to as "HDD 500D”), an interface (hereinafter referred to as "I/F 500E”), etc. have a Central Processing Unit (hereinafter referred to as "CPU 500A”), a Random Access Memory (hereinafter
- the CPU 500A is an example of an arithmetic device and a control device.
- the RAM 500B is an example of a main storage device.
- the ROM 500C and HDD 500D are examples of auxiliary storage devices.
- the I/F 500E connects an input device or an output device. Specifically, the I/F 500E connects an external device by wire or wirelessly and inputs/outputs data.
- the determination device 5 is not limited to the hardware configuration shown above.
- the determination device 5 may further include an arithmetic device, a control device, a storage device, an input device, an output device, or an auxiliary device.
- the information processing device may have an auxiliary device such as a Graphics Processing Unit (GPU) externally or internally.
- GPU Graphics Processing Unit
- the determination device 5 may be a plurality of devices.
- FIG. 3 is a diagram illustrating an example of overall processing. For example, as illustrated, the determination device executes each process in the order of "pre-processing" and "execution process".
- Pre-processing is processing that is executed in advance in order to prepare for execution processing rather than execution processing.
- the pre-processing is a process of making preparations such as learning a learning model.
- the execution process is a process using the trained model prepared in the pre-processing.
- the execution process may be a process using a table or the like.
- the pre-processing is a table (also referred to as a lookup table (LUT), etc.) or a process of preparing to input a formula or the like.
- the execution process is a process that uses a table or formula entered in the pre-processing. An example of a table will be described below.
- the determination device does not have to execute the preliminary processing and the execution processing in a continuous order as illustrated in the figure. Therefore, it is not essential to continue the period of preparation by preliminary processing and the subsequent period of execution processing.
- the trained model may be diverted, and the determination device may start from the execution process, omitting the preprocessing.
- the learning model and the trained model may be configured to perform transfer learning, fine tuning, or the like. That is, the determination device often has a different execution environment for each device. Therefore, the basic configuration of AI is learned by another information processing device. Each decision device may then be further trained, configured, etc., to further optimize for each execution environment.
- step S0301 the determination device prepares. Further, the content of the pre-processing differs depending on whether the configuration uses AI or the configuration uses a table. Note that the table, formula, learning data, or the like may be generated by the user's operation.
- the determination device makes preparations such as learning a learning model.
- the determination device makes preparations such as inputting the table. The details of the preparation will be described later.
- execution processing example After the preprocessing is executed, that is, after the AI or the table is prepared, the determination device performs execution processing, for example, in the following procedure.
- the determination device acquires components generated from the cooking oil.
- the determination device may acquire the component by inputting another analysis device that receives the detection result of the sensor or the like, or by inputting the result of analysis by the user's operation or the like.
- the determination device identifies the content. Specifically, the determination device identifies the content of each of the components determined in advance, such as aldehydes, Maillard reaction products, and fatty acids, among the components acquired in step S0302.
- Aldehydes are, for example, isobutyraldehyde, 2-methylbutanal, 3-methylbutanal, heptanal, or 2-nonenal.
- Isobutyraldehyde is sometimes called 2-Methylpropanal.
- 2-Methylbutanal is sometimes called 2-Methylbutanal, 2-Methylbutyraldehyde, or 2-Ethylpropanal.
- 3-Methylbutanal is isovaleraldehyde, Isovaleraldehyde, Isovaleral, Isovaleric aldehyde, Isovaleral, Isovaleric aldehyde, 3-Methylbutyraldehyde, 3-Methylbutanal, Isopentanal, Isopentanal, 3,3-Dimethylpentanal, etc. Sometimes called.
- Heptanal is sometimes called normal heptaldehyde, 1-heptanone, heptylaldehyde, heptaldehyde, 1-heptanone, or heptylaldehyde.
- 2-Nonenal is sometimes called ⁇ -nonenylaldehyde, ⁇ -hexyl acrolein, 2-nonenal, 2-nonen-1-al, trans-2-nonenal, or the like.
- Maillard reactants are 2-pentylpyridine and the like.
- 2-Pentylpyridine (2-Pentylpyridine) is sometimes called 2-Pentylpyridine and the like.
- the fatty acid is butanoic acid, pentanoic acid, or the like.
- Butanoic acid is sometimes called butyric acid or n-butyric acid.
- Pentanoic acid is sometimes called valeric acid.
- step S0304 the determination device determines the degree of deterioration based on the content.
- step S0305 the determination device outputs based on the degree of deterioration.
- step S0305 in the overall processing described above differ depending on whether the configuration uses AI or uses a table. Each configuration will be described separately below.
- FIG. 4 is a diagram showing an example of overall processing of a configuration using AI.
- the preprocessing is processing for learning the learning model A1.
- the execution process is a process of judging the cooking environment or the like using the learned model A2, which is a learning model that has completed learning to some extent by preprocessing or the like.
- the pre-processing is, for example, a process of learning the learning model A1 using the learning data D11. That is, the pre-processing is a process of making the learning model A1 learn by "supervised” learning using the learning data D11 to generate the trained model A2.
- the learning data D11 is, for example, data obtained by combining data such as the content D112 for each component and the degree of deterioration D111.
- the degree of deterioration D111 is an index that indicates the degree to which the cooking oil has deteriorated. Details of the degree of deterioration D111 will be described later.
- the content D112 is the content of aldehydes, Maillard reaction products, or fatty acids among the components generated from the edible oil.
- the content D112 is indicated by an area value (the unit system is dimensionless). Note that the content D112 may be of a plurality of types.
- the content D112 does not have to be obtained directly from the sensor 11. That is, if the content D112 can be grasped by a user's operation or by data or the like, the value indicating the content, the type of the component, or the like, the format of the data and the device used for input do not matter.
- the learning model A1 can learn the relationship between the content D112 and the degree of deterioration D111 (step S0301 in FIG. 3). ). Therefore, the degree of deterioration D111 is information indicating how much the edible oil is deteriorated with respect to the content D112, and is information that becomes "correct data” in the configuration of "supervised” learning. be.
- the determination device can learn the relationship between the content D112 and the degree of deterioration D111.
- the determination device 5 can execute the following processing.
- the execution process is a process of generating the estimation result of the degree of deterioration (hereinafter simply referred to as "estimation result D13") by AI with the input data D12 as input.
- the determination device inputs input data D12 including the content of each component detected by the sensor 11 (hereinafter referred to as "unknown content D121"). It should be noted that, compared to the pre-processing, the execution processing differs in that the resulting degree of deterioration is unknown with respect to the content.
- the input data D12 is one or more types of unknown contents D121 and the like.
- the determination device acquires the detection results of the components generated from the cooking oil by the sensor 11 (step S0302 in FIG. 3).
- the determination device identifies the content of each component by, for example, analyzing the detection result of the sensor 11 (step S0303 in FIG. 3).
- the determination device can determine the degree of deterioration (step S0304 in FIG. 3).
- the determination device can estimate the degree of deterioration and the like based on learning.
- FIG. 5 is a diagram showing an example of overall processing in a configuration using a table.
- the pre-processing is the processing of generating the table D22.
- the execution process is a process of determining the degree of deterioration using the table D22 generated in the pre-processing.
- the preprocessing is, for example, a process of putting together the experimental data D21 into a table format.
- the table D22 does not have to be in the form of a two-dimensional table or the like. That is, in the pre-processing, a format such as a mathematical formula may be generated that uniquely identifies the degree of deterioration D111 with respect to the content D112.
- the determination device determines the relationship between the contents D112 and the deterioration degrees D111. It is possible to calculate the formula shown. In the following, an example will be described in which the equation represents a straight line, that is, a linear equation.
- the table D22 is in a two-dimensional format in which the "deterioration degree” is associated with the "content” for each "ingredient". Therefore, by referring to the table D22, the "degradation level" corresponding to the "content” for each "ingredient" is determined.
- the "ingredient”, “content”, and “degradation level” in the table D22 are values indicated by the experimental data D21. Therefore, when experimental data D21 is input in preprocessing, table D22 is generated.
- the experimental data D21 is, for example, data indicating the results of detection of the content D112 and the degree of deterioration D111 by the sensor 11 or the like. Note that the content D112 and the degree of deterioration D111 are the same as those in FIG. 4, for example.
- the table D22 is data that associates the content D112 with the degree of deterioration D111.
- An example in which the degree of deterioration D111 is the acid value will be described below. Note that the table D22 may include information other than those shown.
- the determination device can associate the content and the degree of deterioration.
- the determination device can execute the following processing.
- the determination device identifies the content of each component using the sensor 11, as in the configuration using AI (steps S0302 and S0303 in FIG. 3).
- the table-based configuration differs from the pre-processing in that the content is unknown in the execution processing.
- the determination device when the determination device inputs the unknown content D121 from the input data D12, it extracts the corresponding deterioration degree from the table D22. Thus, the determination device outputs the extraction result D23 in response to the input. That is, similarly to the configuration using AI, under the conditions indicated by the input data D12, the determination device extracts the degree of deterioration of the cooking oil from the table D22 (step S0304 in FIG. 3).
- the determination device can perform high-speed processing because it searches for the deterioration level corresponding to the conditions that are input on the table D22.
- the determination device may estimate the degree of deterioration and the like by linear interpolation or the like. That is, in the case of conditions not entered in the table D22, the determination device may calculate the degree of deterioration by, for example, averaging similar conditions in the table D22.
- isobutyraldehyde is 46162443
- “isobutyraldehyde is 85915338” are input to table D22
- “isobutyraldehyde is 66038891” that is, unknown
- the determination device may calculate an intermediate value between “isobutyraldehyde is 46162443” and “isobutyraldehyde is 85915338”.
- the determination device 5 can handle conditions that are not entered in the table D22.
- the determination device may be configured to use both the table D22 and the formula. For example, the determination device extracts the degree of deterioration indicated by the table D22 for the conditions in the table D22. On the other hand, the determination device extracts the degree of deterioration calculated by the formula for conditions not included in the table D22.
- sample preparation 0.5 g of oil was placed in a glass vial for GC-MS.
- GC system Agilent 7890B (manufactured by Agilent Technologies)
- Column DB-WAX UI (manufactured by Agilent Technologies, 0.25 ⁇ m, 0.25 mm ⁇ 60 m)
- Carrier gas He Ionization
- measurement mode EI
- scan Analysis method Analysis was performed according to Agilent Technologies' dynamic headspace (DHS method).
- Deconvolution is an operation that divides overlapping peaks into components by software calculation.
- 13 kinds of edible oils were used to confirm the correlation between acid value and color tone, and aroma components with high correlation coefficients were selected.
- Method for measuring acid value Method for measuring standard oils and fats
- Method for measuring color tone Lovibond method (automatic measurement), using a 1-inch cell.
- Fig. 6 is a diagram showing the relationship between the content of isobutyraldehyde and the acid value.
- the vertical axis indicates the content
- the horizontal axis indicates the acid value.
- the figure also shows a mathematical formula and a straight line showing the relationship between the content of isobutyraldehyde and the acid value.
- the correlation is indicated by the correlation coefficient of "R”. Therefore, the closer “R” is to "1", the stronger the correlation between the two variables.
- FIG. 7 is a diagram showing the relationship between isobutyraldehyde content and color tone.
- FIG. 7 like FIG. 6, shows the results of experiments with isobutyraldehyde.
- the experiment shown in FIG. 7 differs from the experiment shown in FIG. 6 in that color tone is used as an index of the degree of deterioration.
- the vertical axis indicates the content
- the horizontal axis indicates the color tone. Descriptions of the same points as in FIG. 6 will be omitted below.
- FIG. 8 is a diagram showing the relationship between the content of 2-methylbutanal and the acid value. Compared to FIG. 6, FIG. 8 differs in that the component is 2-methylbutanal. Descriptions of the same points as in FIG. 6 will be omitted below.
- FIG. 9 is a diagram showing the relationship between the content of 2-methylbutanal and color tone. Compared to FIG. 8, FIG. 9 differs in that color tone is used as an indicator of the degree of deterioration. Descriptions of the same points as in FIG. 8 will be omitted below.
- FIG. 10 is a diagram showing the relationship between the content of 3-methylbutanal and the acid value. Compared to FIG. 6, FIG. 10 differs in that the component is 3-methylbutanal. Descriptions of the same points as in FIG. 6 will be omitted below.
- FIG. 11 is a diagram showing the relationship between the content of 3-methylbutanal and color tone. Compared to FIG. 10, FIG. 11 differs in that color tone is used as an index of the degree of deterioration. Hereinafter, description of the same points as in FIG. 10 will be omitted.
- FIG. 12 is a diagram showing the relationship between heptanal content and acid value. Compared to FIG. 6, FIG. 12 differs in that the component is heptanal. Descriptions of the same points as in FIG. 6 will be omitted below.
- FIG. 13 is a diagram showing the relationship between heptanal content and color tone. Compared to FIG. 12, FIG. 13 differs in that color tone is used as an indicator of the degree of deterioration. Hereinafter, description of the same points as in FIG. 12 will be omitted.
- FIG. 14 is a diagram showing the relationship between the content of 2-nonenal and the acid value. Compared to FIG. 6, FIG. 14 differs in that the component is 2-nonenal. Descriptions of the same points as in FIG. 6 will be omitted below.
- FIG. 15 is a diagram showing the relationship between the content of 2-nonenal and color tone. Compared to FIG. 14, FIG. 15 differs in that color tone is used as an indicator of the degree of deterioration. Descriptions of the same points as in FIG. 14 will be omitted below.
- FIG. 16 is a diagram showing the relationship between the content of 2-pentylpyridine and the acid value. Compared to FIG. 6, FIG. 16 differs in that the component is 2-pentylpyridine. Descriptions of the same points as in FIG. 6 will be omitted below.
- FIG. 17 is a diagram showing the relationship between the content of 2-pentylpyridine and color tone. Compared to FIG. 16, FIG. 17 differs in that color tone is used as an indicator of the degree of deterioration. Hereinafter, description of the same points as in FIG. 16 will be omitted.
- FIG. 18 is a diagram showing the relationship between the content of butanoic acid and the acid value. Compared to FIG. 6, FIG. 16 differs in that the component is butanoic acid. Descriptions of the same points as in FIG. 6 will be omitted below.
- FIG. 19 is a diagram showing the relationship between the content of butanoic acid and color tone. Compared to FIG. 18, FIG. 19 differs in that color tone is used as an indicator of the degree of deterioration. Hereinafter, description of the same points as in FIG. 18 will be omitted.
- FIG. 20 is a diagram showing the relationship between the content of pentanoic acid and the acid value. Compared to FIG. 6, FIG. 20 differs in that the component is pentanoic acid. Descriptions of the same points as in FIG. 6 will be omitted below.
- FIG. 21 is a diagram showing the relationship between the content of pentanoic acid and color tone. Compared to FIG. 20, FIG. 21 differs in that color tone is used as an indicator of the degree of deterioration. Hereinafter, description of the same points as in FIG. 20 will be omitted.
- the determination device can accurately determine the degree of deterioration of the cooking oil by calculation using AI or correspondence using a table or the like.
- Edible oils also produce weakly correlated components such as: Below, for each component, similar to the above experimental results, the degree of deterioration is indicated by the acid value and the degree of deterioration is indicated by the color tone.
- FIG. 22 is a diagram showing a comparative example of the relationship between the hexanal content and the acid value.
- FIG. 23 is a diagram showing a comparative example of the relationship between hexanal content and color tone.
- Fig. 24 is a diagram showing a comparative example of the relationship between octanal content and acid value.
- FIG. 25 is a diagram showing a comparative example of the relationship between octanal content and color tone.
- FIG. 26 is a diagram showing a comparative example of the relationship between the content of 2,4-decadienal and the acid value.
- FIG. 27 is a diagram showing a comparative example of the relationship between the content of 2,4-decadienal and color tone.
- FIG. 28 is a diagram showing a comparative example of the relationship between the content of 2,4-heptadienal and the acid value.
- FIG. 29 is a diagram showing a comparative example of the relationship between the content of 2,4-heptadienal and color tone.
- FIG. 30 is a diagram showing a comparative example of the relationship between the content of 2-methylpyrazine and the acid value.
- FIG. 31 is a diagram showing a comparative example of the relationship between the content of 2-methylpyrazine and the color tone.
- FIG. 32 is a diagram showing a comparative example of the relationship between pyridine content and acid value.
- FIG. 33 is a diagram showing a comparative example of the relationship between pyridine content and color tone.
- FIG. 34 is a diagram showing a comparative example of the relationship between the content of hexanoic acid and the acid value.
- FIG. 35 is a diagram showing a comparative example of the relationship between the content of hexanoic acid and color tone.
- the components shown in the comparative example above have a weak correlation.
- the degree of deterioration cannot be determined with high accuracy in many cases.
- the second embodiment differs from the first embodiment in that the following output is performed in step S0305 in FIG. 3 based on the determination result after determining the degree of deterioration.
- the determination device determines that the cooking oil has deteriorated to a certain degree or more, that is, if the cooking oil is in a state unsuitable for use in cooking, the cooking oil is discarded by controlling the regulator or the like. Addition, replacement, or the like may be performed.
- the regulator is a pump or the like. Therefore, when the determination device outputs a signal for instructing the operation of the pump to the regulator or the like and controls it, the operation of the pump or the like causes adjustment such as discarding, adding, or replacing the edible oil. can.
- the value of the degree of deterioration which is the criterion for determining whether or not to perform the adjustment, is set in advance.
- the determination device can maintain the edible oil with less deterioration. As a result, the user can provide delicious fried food by cooking using cooking oil with less deterioration.
- the determination device may provide information regarding adjustments, etc. in the information system.
- FIG. 36 is a diagram showing an example of the information system 200.
- the information system 200 is constructed by connecting the determination devices 5 installed in each of the stores S1 to S3 via a communication line or the like.
- the store S2 (in this example, the store S2 is an izakaya) notifies the general headquarters H of the notification information.
- the general headquarters H analyzes the number of times or frequency of receiving the notification information.
- the general headquarters H analyzes the store S1 (store S1 is a tempura restaurant) and the store S3 (store S3 is a pork cutlet restaurant).
- the General Headquarters H will propose or provide guidance on whether the cooking oil is being used appropriately, whether it is being replaced as appropriate, and whether there is any waste.
- the general headquarters H may also manage the factory where the fryer 2 is installed. Also, the general headquarters H may exist in a store or a factory and manage the fryer 2 and the like in the facility.
- the notification information is notified to, for example, the edible oil manufacturer P and the distributor Q. Then, the manufacturer P draws up a manufacturing plan or a sales plan based on the reported information. In addition, distributor Q orders edible oil and purchases edible oil from manufacturer P based on the notification information. Then, the distributor Q delivers the edible oil or the like to the stores S1 to S3.
- the notification information is notified to collection company Z (collection company Z and manufacturer P may be the same company, etc.). Then, upon receiving the notification information, the collecting company Z collects the waste oil W. Specifically, when the recovery agent Z receives the notification information a predetermined number of times, the recovery agent Z visits the store S2 and recovers the waste oil W from the oil tank 21 of the fryer 2 .
- the notification information may also be notified to cleaning contractors.
- the cleaning operator visits the store S2 and cleans the inside of the oil tank 21 of the fryer 2 or the vicinity thereof.
- the notification information is used as described above, it is possible to quickly perform operations from supply to waste oil and cleaning at stores S1 to S3. Further, automating the exchange of cooking oil and the like can further reduce the burden on the user (for example, a store clerk). Specifically, when notification information such as that the degree of progress exceeds a threshold is output, the cooking oil in use is replaced with new cooking oil or the like.
- the determination device 5 when additional oil or waste oil is generated in the adjustment, the determination device 5 sends the amount of edible oil to the general headquarters H, the recovery company Z, the manufacturer P, etc. The time when additional oil or waste oil is generated may be notified. In this way, if the information system 200 can automate ordering, collection, delivery, and procedures for additional oil or waste oil, the user's workload can be reduced.
- AI is realized by, for example, the following network.
- FIG. 37 is a diagram showing an example network structure.
- a learning model and a trained model are structures of network 300 as follows.
- the network 300 has, for example, an input layer L1, an intermediate layer L2 (also referred to as a "hidden layer”), an output layer L3, and the like.
- the input layer L1 is a layer for inputting data.
- the intermediate layer L2 converts the data input in the input layer L1 based on weights, biases, and the like.
- the results processed in the intermediate layer L2 are transmitted to the output layer L3.
- the output layer L3 is a layer that outputs inference results and the like.
- the network 300 is not limited to the illustrated network structure.
- AI may be realized by other machine learning.
- the AI may be configured to perform preprocessing such as dimensionality reduction using "unsupervised" machine learning.
- preprocessing such as dimensionality reduction using "unsupervised" machine learning.
- the degree of deterioration is desirably calculated by a linear expression or the like with the content as an input. With such a calculation, the degree of deterioration can be determined with low calculation cost and high accuracy.
- the degree of deterioration is, for example, the acid value of the edible oil, the color tone of the edible oil, or a combination thereof.
- the acid value of edible oil, the color tone of edible oil, or a combination thereof has a particularly strong correlation with the content of aldehydes, Maillard reaction products, or fatty acids. . Therefore, if the acid value of the edible oil, the color tone of the edible oil, or a combination thereof is used as an indicator of the degree of deterioration, the degree of deterioration can be accurately determined based on the content.
- the acid value (acid value, sometimes referred to as "AV") of edible oil is, for example, a value measured by a method according to the Standard Fat Analysis Test Method 2.3.1-2013.
- the color tone of edible oil (sometimes referred to as “color” or “hue”) is, for example, a value measured by a method according to the Standard Fat Analysis Test Method 2.2.1.1-2013 (e.g., yellow component value and the red component value, the value is calculated by yellow component value+10 ⁇ red component value).
- FIG. 38 is a diagram illustrating an example of a functional configuration;
- the determination device 5 has a functional configuration including an acquisition unit 5F1, a first identification unit 5F2, a second identification unit 5F3, and the like.
- the determination device 5 preferably has a functional configuration further including an output unit 5F4 and the like.
- the illustrated functional configuration will be described below as an example.
- the acquisition unit 5F1 performs an acquisition procedure for acquiring components generated from edible oil.
- the acquisition unit 5F1 is realized by the sensor 11, the I/F 500E, and the like.
- the first identification unit 5F2 performs a first identification procedure of identifying the content of aldehydes, Maillard reaction products, or fatty acids among the components.
- the first specifying unit 5F2 is realized by the CPU 500A or the like.
- the second identification unit 5F3 performs a second identification procedure for identifying the degree of deterioration based on the content.
- the second specifying unit 5F3 is realized by the CPU 500A or the like.
- the output unit 5F4 performs an output procedure for outputting based on the degree of deterioration.
- the output unit 5F4 is realized by an I/F 500E or the like.
- the determination system 7 having the determination device 5 and the learning device 6 has, for example, the following functional configuration.
- a case where the learning device 6 has the same hardware configuration as the determination device 5 will be taken as an example below.
- the determination device 5 and the learning device 6 may have different hardware configurations.
- the learning device 6 for example, similarly to the determination device 5, has a functional configuration including an acquisition unit 5F1, a first identification unit 5F2, and the like. However, as long as the learning device 6 can input the state and the first information, the configuration of the input and the format of the data do not matter.
- functional configurations similar to those of the determination device 5 are denoted by the same reference numerals, and descriptions thereof are omitted.
- the generation unit 5F5 performs a generation procedure for learning the learning model A1 and generating a trained model A2. Alternatively, the generation unit 5F5 performs a generation procedure for generating the table D22.
- the generation unit 5F5 is realized by the CPU 500A or the like.
- the learned model A2 generated by the learning device 6 or the table D22 is distributed from the learning device 6 to the determination device 5 or the like via a network or the like.
- the learning device 6 Through preprocessing, the learning device 6 generates a learned model A2, table D22, or the like.
- the determination device 5 performs the execution process to accurately determine the degree of deterioration based on the content of aldehydes, Maillard reactants, or fatty acids as follows. can judge well.
- FIG. 39 is a diagram showing an example of the basic configuration.
- AI learns the relationship between the content of aldehydes, Maillard reactants, or fatty acids and the degree of deterioration, and generates a learned model A2.
- the relationship between the content of aldehydes, Maillard reaction products, or fatty acids and the degree of deterioration is grasped from Table D22 or the like.
- the determination device can accurately determine the degree of deterioration if the contents of aldehydes, Maillard reactants, or fatty acids are known.
- the determination device can accurately determine the degree of deterioration compared to the case of determining the degree of deterioration based on the content of other components.
- the content may be used in combination.
- the determination device can determine the degree of deterioration with higher accuracy. Specifically, when two or more types of content are employed, the weight of the component with the highest content is increased. In particular, when weighting is performed to increase the weight of a component having a particularly strong correlation, such as 3-methylbutanal, the determination device can determine the degree of deterioration with higher accuracy.
- 3-methylbutanal and pentanoic acid are desirable as a combination of two types of content.
- multicollinearity also called “multico"
- a combination of components having strong correlations has the same tendency, and is therefore difficult to refer to. Therefore, it is desirable that the determination device uses a combination of components with weak correlation.
- the multiple correlation coefficient is "0.911".
- the multiple correlation coefficient is "0.896". Therefore, by using a combination of components having a weak correlation, such as the contents of 3-methylbutanal and pentanoic acid, the degree of deterioration can be determined with higher accuracy based on a stronger correlation.
- the expiration date for example, for fried foods, the expiration date, weight, temperature, humidity, size, arrangement of fried foods in cooking, thickness, ratio of batter, or a combination of these may be considered.
- the judgment result may be in the form of a tendency of the degree of deterioration, whether it is time to replace the cooking oil, or a result of estimating the time to replace the cooking oil.
- the judgment result is displayed on the monitor in a format such as "The current degree of deterioration is XX%.”
- the monitor indicates the current timing in percentage format with respect to the future timing when the degree of deterioration is "100%”.
- the monitor may display a determination result such as, for example, "Please replace the frying oil.”
- the monitor when the type of fried food and the number of each type are determined, the monitor will say, for example, "The remaining number of fried foods is 0." , ⁇ is ⁇ pieces.” That is, the monitor may display the type of fried food and the number of fried foods that can be cooked before the replacement time is reached, based on the determination result of the determination device.
- various sensors such as a microphone, a thermometer, or an optical sensor may be connected to the determination device or the like. By using various sensors in this manner, components and the like can be detected with higher accuracy.
- the determination device performs both preprocessing for the learning model and execution processing using the learned model.
- the preprocessing and the execution processing may not be performed by the same information processing device.
- the pre-processing and the execution processing may not be consistently executed by one information processing apparatus. That is, each process, data storage, and the like may be performed by an information system or the like composed of a plurality of information processing apparatuses.
- determination device or the like may perform additional learning after the execution process or before the execution process.
- the embodiment may be a combination of the above embodiments.
- a process for reducing overfitting such as dropout (also referred to as “overfitting” or “overfitting”) may be performed.
- preprocessing such as dimensionality reduction and normalization may be performed.
- a learning model and a trained model may have a CNN network structure or the like.
- the network structure may have a configuration such as RNN (Recurrent Neural Network) or LSTM (Long Short-Term Memory). That is, AI may be a network structure or the like other than deep learning.
- the learning model and the trained model may be configured with hyperparameters. That is, the learning model and the learned model may be partially configured by the user. Furthermore, the AI may specify the feature amount to be learned, or the user may set some or all of the feature amounts to be learned.
- the learning model and the trained model may use other machine learning.
- the learning model and the trained model may be subjected to preprocessing such as normalization by an unsupervised model.
- the learning may be reinforcement learning or the like.
- preprocessing may be performed by extending one piece of experimental data or the like into a plurality of pieces of learning data. By increasing the amount of learning data in this way, the learning of the learning model can be further advanced.
- program including firmware and programs equivalent thereto, hereinafter simply referred to as "program" that executes the determination method, learning method, or processing equivalent to the above-described processing.
- the present invention may be implemented by a program or the like written in a programming language or the like so as to issue a command to a computer and obtain a predetermined result.
- the program may have a configuration in which part of the processing is executed by hardware such as an integrated circuit (IC) or an arithmetic unit such as a GPU.
- the program causes the computer to execute the above-described processes by cooperating with the arithmetic device, control device, storage device, etc. of the computer. That is, the program is loaded into the main storage device or the like, issues instructions to the arithmetic unit to perform arithmetic operation, and operates the computer.
- the program may be provided via a computer-readable recording medium or an electric communication line such as a network.
- the present invention may be implemented in a system composed of multiple devices. That is, a multi-computer information processing system may perform the processes described above redundantly, in parallel, distributed, or in a combination thereof. Therefore, the present invention may be realized by devices with hardware configurations other than those shown above, and systems other than those shown above.
- the present invention has been described above.
- the present invention is not limited to the above-described embodiments, and includes various modifications.
- the above-described embodiments have been described in detail in order to explain the present invention in an easy-to-understand manner, and are not necessarily limited to those having all the configurations described.
- part of the configuration of this embodiment can be replaced with the configuration of another embodiment, and it is also possible to add the configuration of another embodiment to the configuration of this embodiment.
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Abstract
Description
前記食用油から発生する成分を取得する取得部と、
前記成分のうち、アルデヒド類、メイラード反応物、又は、脂肪酸の含有量を特定する第1特定部と、
前記含有量に基づき、前記劣化度を特定する第2特定部とを備える。
まず、上記にて列挙したような揚げ物を得るための揚げ調理が行われる調理場1の例について、下記に図1を参照して説明する。
図2は、情報処理装置のハードウェア構成例を示す図である。例えば、判定装置5は、以下のようなハードウェア資源を有する情報処理装置である。
図3は、全体処理例を示す図である。例えば、判定装置は、図示するように、「事前処理」、及び、「実行処理」の順に各処理を実行する。
ステップS0301では、判定装置は、準備を行う。また、事前処理は、AIを用いる構成であるか、又は、テーブルを用いる構成であるかにより処理の内容が異なる。なお、テーブル、数式、又は、学習データ等は、ユーザが操作して生成されてもよい。
事前処理が実行された後、すなわち、AI又はテーブルが準備された後、判定装置は、例えば、以下のような手順で実行処理を行う。
図4は、AIを用いる構成の全体処理例を示す図である。図示するように、AIを用いる構成では、事前処理は、学習モデルA1を学習する処理である。そして、実行処理は、事前処理等によって、ある程度の学習が完了した学習モデルである、学習済みモデルA2を用いて調理環境等を判定する処理である。
図5は、テーブルを用いる構成の全体処理例を示す図である。図示するように、テーブルを用いる構成では、事前処理は、テーブルD22を生成する処理である。そして、実行処理は、事前処理で生成したテーブルD22を用いて劣化度等を判定する処理である。
下記のような条件で実験を行った結果を示す。
GCシステム:Agilent7890B(アジレントテクノロジーズ社製)
カラム:DB-WAX UI(アジレントテクノロジーズ社製、0.25 μm,0.25 mm×60 m)
キャリアガス:He
イオン化、測定モード:EI、スキャン
分析方法:アジレントテクノロジー社のダイナミックヘッドスペース(DHS法)に準拠し分析を実施した。
取得したトータルイオンクロマトグラム(TIC)を各成分のデコンボリューション後の面積値を抽出した。
酸価の計測方法:基準油脂測定法
色調の計測方法:ロビボンド法(自動測定)、1インチセルを用いた。
食用油は、以下のような相関関係の弱い成分も発生させる。以下、成分ごとに、上記の実験結果と同様に、劣化度を酸価にした場合と、劣化度を色調にした場合とを示す。
第2実施形態は、劣化度の判定の後、判定結果に基づき、図3におけるステップS0305で以下のような出力を行う点が第1実施形態と異なる。
AIは、例えば、以下のようなネットワークで実現する。
劣化度は、例えば、食用油の酸価、食用油の色調、又は、これらの組み合わせ等が望ましい。他の劣化度を示す指標と比較すると、食用油の酸価、食用油の色調、又は、これらの組み合わせ等は、アルデヒド類、メイラード反応物、又は、脂肪酸の含有量等と特に相関関係が強い。したがって、食用油の酸価、食用油の色調、又は、これらの組み合わせ等を劣化度の指標とすると、含有量に基づき、精度良く劣化度が判定できる。
図38は、機能構成例を示す図である。例えば、判定装置5は、取得部5F1、第1特定部5F2、及び、第2特定部5F3等を備える機能構成である。なお、図示するように、判定装置5は、出力部5F4等を更に備える機能構成であるのが望ましい。以下、図示する機能構成を例に説明する。
パラメータの一部、又は、全部は、ユーザによる入力等で取得されてもよい。
他にも、判定装置等には、マイク、温度計、又は、光センサ等といった様々なセンサが接続してもよい。このように、様々なセンサを用いると、成分等をより精度良く検出できる。
5F1 :取得部
5F2 :第1特定部
5F3 :第2特定部
5F4 :出力部
5F5 :生成部
6 :学習装置
7 :判定システム
11 :センサ
300 :ネットワーク
A1 :学習モデル
A2 :学習済みモデル
D11 :学習データ
D111 :劣化度
D112 :含有量
D12 :入力データ
D121 :未知含有量
D13 :推定結果
D21 :実験データ
D22 :テーブル
D23 :抽出結果
L1 :入力層
L2 :中間層
L3 :出力層
Claims (14)
- 揚げ物を調理する揚げ調理に用いられる食用油の劣化度を判定する判定装置であって、
前記食用油から発生する成分を取得する取得部と、
前記成分のうち、アルデヒド類、メイラード反応物、又は、脂肪酸の含有量を特定する第1特定部と、
前記含有量に基づき、前記劣化度を特定する第2特定部とを備える判定装置。 - 前記劣化度は、
前記食用油の酸価、又は、色調である請求項1に記載の判定装置。 - 前記アルデヒド類は、
イソブチルアルデヒド、2-メチルブタナール、3-メチルブタナール、ヘプタナール、又は、2-ノネナールである請求項1又は2に記載の判定装置。 - 前記メイラード反応物は、
2-ペンチルピリジンである請求項1乃至3のいずれか1項に記載の判定装置。 - 前記脂肪酸は、
ブタン酸、又は、ペンタン酸である請求項1乃至4のいずれか1項に記載の判定装置。 - 前記劣化度に基づく出力を行う出力部を更に備える請求項1乃至5のいずれか1項に記載の判定装置。
- 前記出力部は、
前記食用油を発注する通知、前記食用油の製造計画、若しくは、販売計画を立案させる通知、前記食用油の使用方法を提案、若しくは、指導させる通知、廃油の回収を手配する通知、又は、前記食用油を貯留する油槽の清掃を手配する通知を行う請求項6に記載の判定装置。 - 前記出力部は、前記食用油が一定以上の劣化度であると、
前記食用油を廃棄、追加、又は、交換する調整を行う調整器が調整を行うように制御する請求項6又は7に記載の判定装置。 - 揚げ物を調理する揚げ調理に用いられる食用油から発生する成分を取得する取得部と、
前記成分のうち、アルデヒド類、メイラード反応物、又は、脂肪酸の含有量を特定する第1特定部と、
前記含有量、及び、前記食用油の劣化度を入力して、学習モデルを学習させて学習済みモデルを生成する生成部とを備える学習装置。 - 請求項1乃至8のいずれか1項に記載の判定装置と、
請求項9に記載の学習装置とを有する判定システム。 - 揚げ物を調理する揚げ調理に用いられる食用油の劣化度を判定する判定方法であって、
前記食用油から発生する成分を取得する取得手順と、
前記成分のうち、アルデヒド類、メイラード反応物、又は、脂肪酸の含有量を特定する第1特定手順と、
前記含有量に基づき、前記劣化度を特定する第2特定手順とを備える判定方法。 - 請求項11に記載の判定方法をコンピュータに実行させるためのプログラム。
- 揚げ物を調理する揚げ調理に用いられる食用油から発生する成分を取得する取得手順と、
前記成分のうち、アルデヒド類、メイラード反応物、又は、脂肪酸の含有量を特定する第1特定手順と、
前記含有量、及び、前記食用油の劣化度を入力して、学習モデルを学習させて学習済みモデルを生成する生成手順とを備える学習方法。 - 請求項13に記載の学習方法をコンピュータに実行させるためのプログラム。
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