WO2021201187A1 - 装置、方法、およびプログラム - Google Patents
装置、方法、およびプログラム Download PDFInfo
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- WO2021201187A1 WO2021201187A1 PCT/JP2021/014073 JP2021014073W WO2021201187A1 WO 2021201187 A1 WO2021201187 A1 WO 2021201187A1 JP 2021014073 W JP2021014073 W JP 2021014073W WO 2021201187 A1 WO2021201187 A1 WO 2021201187A1
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- molding
- value
- analysis target
- probability distribution
- target characteristic
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- 238000000465 moulding Methods 0.000 claims abstract description 196
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- 229920005989 resin Polymers 0.000 claims abstract description 81
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B13/00—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion
- G05B13/02—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
- G05B13/04—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators
- G05B13/048—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators using a predictor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B13/00—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion
- G05B13/02—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
- G05B13/0265—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric the criterion being a learning criterion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C2045/7606—Controlling or regulating the display unit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76929—Controlling method
- B29C2945/76939—Using stored or historical data sets
- B29C2945/76949—Using stored or historical data sets using a learning system, i.e. the system accumulates experience from previous occurrences, e.g. adaptive control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76929—Controlling method
- B29C2945/76973—By counting
Definitions
- the present invention relates to devices, methods, and programs.
- Patent Document 1 describes that, as support for an operator, a change in evaluation items due to molding conditions is predicted and displayed as a graph. Patent Document 1 Japanese Unexamined Patent Publication No. 2006-123172
- Patent Document 1 the prediction accuracy of the evaluation item changes depending on the range of molding conditions, and the accuracy of adjusting the molding conditions may deteriorate.
- an apparatus for supporting resin molding may include a prediction unit that generates a probability distribution of predicted values of the analysis target characteristics of the resin molded body, which corresponds to the values of a plurality of molding factors of the resin molding.
- the device may include a display processing unit that executes display processing for displaying the probability distribution of the predicted value of the analysis target characteristic on the display device.
- the prediction unit may calculate the change in the probability distribution of the predicted value of the analysis target characteristic when the value of at least one molding factor among the plurality of molding factors of resin molding is changed within a predetermined range.
- the display processing unit may execute display processing for displaying the change in the probability distribution of the predicted value of the analysis target characteristic on the display device.
- the prediction unit may calculate the change in the average value of the predicted values of the analysis target characteristics and the change in the standard deviation as an index indicating the change in the probability distribution.
- the display processing unit may execute display processing for displaying the change in the average value and the change in the standard deviation on the display device.
- the display processing unit may execute display processing for displaying the range of molding factors that may satisfy the target value of the analysis target characteristic on the display device.
- the device may include an input unit that receives from the user the value designation of at least one molding factor among the plurality of molding factors of resin molding.
- the display processing unit may execute display processing for displaying the probability distribution of the predicted value of the analysis target characteristic at the value of the designated molding factor on the display device together with the probability distribution of the predicted value.
- the prediction unit may have a model that generates a probability distribution of predicted values of the characteristics to be analyzed in response to input of data for at least one of a plurality of molding factors of resin molding.
- the prediction unit may generate predicted values of the characteristics to be analyzed using a plurality of models, and calculate the average value and standard deviation of the generated predicted values.
- the apparatus may include a recommendation unit that generates recommended conditions that are a combination of a plurality of molding factors having the highest probability of satisfying the target value of the characteristic to be analyzed.
- the display processing unit may execute display processing for displaying the recommended conditions on the display device as the probability distribution of the predicted value changes.
- the prediction unit may have an acquisition unit that acquires learning data including a set of a plurality of molding factor values and analysis target characteristic values in the result of resin molding in advance.
- the prediction unit may have a learning unit that learns a model that generates predicted values of analysis target characteristics from the values of a plurality of molding factors using learning data.
- the prediction unit may calculate the probability of satisfying the target value of the analysis target characteristic in at least one molding factor among the plurality of molding factors of resin molding.
- the display processing unit may execute display processing for displaying the probability of satisfying the target value of the analysis target characteristic on the display device together with the probability distribution of the predicted value.
- the prediction unit may calculate the change in the probability of satisfying the target value of the analysis target characteristic when the value of at least one molding factor among the plurality of molding factors of resin molding is changed within a predetermined range.
- the display processing unit may execute display processing for displaying the change in the probability of satisfying the target value of the analysis target characteristic on the display device together with the probability distribution of the predicted value.
- the recommendation section may generate a plurality of recommended conditions, and each recommended condition may be for a plurality of types of analysis target characteristics.
- the prediction unit may obtain the probability distribution of the predicted value of the corresponding analysis target characteristic from the model corresponding to each of the plurality of analysis target characteristics.
- the recommendation section considers that the probability distribution of the predicted value is a Gaussian distribution, and may calculate the probability that the analysis target characteristic satisfies a predetermined condition based on the average value and the standard deviation of the predicted value.
- the probability of satisfying a predetermined condition may be the probability that the analysis target characteristic is below the target value, the probability that the analysis target characteristic exceeds the target value, or the probability that the analysis target characteristic is within the target range.
- the recommendation section calculates the simultaneous probability that a combination of multiple molding factors satisfies a predetermined standard for a plurality of analysis target characteristics, and generates a recommended condition using an optimization algorithm so as to maximize the simultaneous probability. It's okay.
- the learning unit may add the value of the molding factor of the recommended condition generated by the recommended unit to the learning data assuming that the value of the analysis target characteristic corresponding to the recommended condition does not satisfy the target value.
- the recommendation unit may generate a recommended condition different from the above recommended condition from the predicted value using the model after learning with the added training data.
- the display processing unit When the user inputs a specific value of the molding factor into the input unit, the display processing unit superimposes the probability distribution of the corresponding predicted value on the position corresponding to the specific value in the display of the change in the probability distribution of the predicted value. It may be displayed on the display device.
- a method for supporting resin molding may include a step of generating a probability distribution of predicted values of the analysis target characteristic of the resin molded product, which corresponds to the values of a plurality of molding factors of the resin molding.
- the method may include a step of executing a display process for displaying the probability distribution of the predicted value of the analysis target characteristic on the display device.
- the method is that the stage of generating the probability distribution of the predicted value of the characteristic to be analyzed is the molded resin when the value of at least one molding factor among the plurality of molding factors of resin molding is changed within a predetermined range. It may have a step of calculating the change in the probability distribution of the predicted value of the analysis target characteristic of.
- the stage of executing the display process for displaying the probability distribution of the predicted value on the display device has a stage of executing the display process for displaying the change in the probability distribution of the predicted value of the analysis target characteristic on the display device. good.
- the third aspect of the present invention provides a program.
- the program may cause the computer to perform a step of generating a probability distribution of predicted values of the properties to be analyzed of the resin molded body corresponding to the values of a plurality of molding factors of the resin molding.
- the program may cause the computer to execute a display process for displaying the probability distribution of the predicted value of the analysis target characteristic on the display device.
- the system 1 which concerns on this embodiment is shown.
- An example of the screen 200 displayed by the display unit 60 of the present embodiment is shown.
- Another example of the screen 300 displayed by the display unit 60 of this embodiment is shown.
- Another example of the screen 400 displayed by the display unit 60 of this embodiment is shown.
- the learning flow of the model in the support device 3 of this embodiment is shown.
- the display flow of the molding factor in the support device 3 of this embodiment is shown.
- Another example of the screen 500 displayed by the display unit 60 of this embodiment is shown.
- Another example of the screen 600 displayed by the display unit 60 of this embodiment is shown.
- Another example of the screen 700 displayed by the display unit 60 of this embodiment is shown.
- An example of a computer 2200 in which a plurality of aspects of the present invention may be embodied in whole or in part is shown.
- FIG. 1 shows the system 1 according to the present embodiment.
- System 1 manufactures a resin molded product by adjusting the resin molding conditions.
- the system 1 includes a resin molded product manufacturing device 2 and a support device 3.
- the resin composition used for producing a resin molded product is polyethylene, acrylonitrile, polyamide, or the like, or a reinforced plastic in which glass fiber or the like is added to the resin.
- the manufacturing device 2 is connected to the support device 3 by wire or wirelessly, and manufactures a resin molded product molded into a desired shape by injection molding, in-mold molding, or the like.
- the manufacturing apparatus 2 may evaluate a plurality of analysis target characteristics of the molded resin (resin molded product), and transmit data indicating a plurality of molding factors and the analysis target characteristics of the molded resin to the support device 3.
- the plurality of molding factors may be factors that affect the quality of the resin molded product, and may include molding conditions set in the manufacturing apparatus 2.
- the plurality of molding factors are, for example, at least one of mold thickness, mold temperature, cooling time, injection temperature, maximum injection pressure value, holding pressure, screw rotation speed, measured value, and the like. good.
- the plurality of molding factors may include at least one of the temperature, humidity, molding shape, and the like of the environment in which the manufacturing apparatus 2 is installed.
- the values of multiple molding factors are present / absent (eg, whether the resin contains a given material, etc.), rank (eg, rank A, B, or C, such as the quality or price of the resin), or resin. It may include a discrete value indicating the type of.
- the characteristic to be analyzed may be an evaluation item for determining whether or not the resin molded product is defective.
- the characteristics to be analyzed include, for example, the size, strength, Young's modulus, error from the target size of the resin molded product, the mode, number, area, or density of defects occurring in the resin molded product, and the position where defects occur. May include at least one of.
- the support device 3 is an example of a device that supports resin molding.
- the support device 3 can support the adjustment of the molding conditions by displaying the predicted value of the analysis target characteristic according to the set of the plurality of molding factors to the user 4 such as the operator of the manufacturing device 2. ..
- the support device 3 includes an acquisition unit 10, a learning unit 20, an input unit 30, a prediction unit 40, a recommendation unit 50, and a display unit 60.
- the acquisition unit 10 is connected to the manufacturing apparatus 2.
- the acquisition unit 10 acquires learning data including a set of the values of a plurality of molding factors and the values of the characteristics to be analyzed in the result of resin molding in advance.
- the acquisition unit 10 may acquire training data from at least one of the manufacturing apparatus 2, the website, and an external recording medium.
- the set of the values of the plurality of molding factors and the values of the characteristics to be analyzed evaluates the set values of the plurality of molding factors when the resin molding is performed in advance in the manufacturing apparatus 2 and the resin molded product manufactured by the resin molding. It may be a set with the value of the characteristic to be analyzed obtained in the above.
- the learning unit 20 is connected to the acquisition unit 10.
- the learning unit 20 learns a model that generates a probability distribution of predicted values of the analysis target characteristics from the values of a plurality of molding factors by using the learning data acquired by the acquisition unit 10.
- the learning unit 20 may generate and update a model using the learning data.
- the learning unit 20 may store the learning data from the acquisition unit 10 and the like in the database.
- the input unit 30 may be for receiving an input from the user 4, and as an example, a keyboard, a mouse, a touch panel, or the like.
- the input unit 30 inputs data indicating at least one display condition for display by the support device 3 from the user 4.
- the display condition is, for example, at least one value of a plurality of molding factors (for example, a combination of specific values of a plurality of molding factors, at least one range of a plurality of molding factors, or at least one value of a plurality of molding factors. Changed), the designation of at least one analysis target characteristic, and at least one of the target values of the analysis target characteristic are included.
- the input unit 30 may receive data indicating display conditions from the terminal (personal computer, tablet, smartphone, etc.) of the user 4. Further, the input unit 30 may receive an input of molding conditions for molding in the manufacturing apparatus 2.
- the prediction unit 40 is connected to the learning unit 20 and the input unit 30.
- the prediction unit 40 receives and holds a model from the learning unit 20 that generates a distribution of predicted values of the analysis target characteristic in response to inputting data for at least one of the values of the plurality of molding factors.
- the prediction unit 40 uses data and a model input from at least one of the input unit 30 and the acquisition unit 10 to predict values of the analysis target characteristics of the molded resin corresponding to the values of a plurality of molding factors of the resin molding. Generate a distribution of.
- the prediction unit 40 may output the average value or the median value of the distribution and the standard deviation based on the distribution of the generated predicted values.
- the prediction unit 40 predicts the characteristics to be analyzed when the value of at least one molding factor among the plurality of molding factors of resin molding is changed within a predetermined range (for example, a settable range of the corresponding molding factor). Changes in the probability distribution of values may be calculated. In this case, the prediction unit 40 may calculate a change in the average value or a change in the median value of the predicted value of the analysis target characteristic and a change in the standard deviation as an index indicating the change in the probability distribution of the predicted value. The prediction unit 40 transmits the probability distribution of the predicted value to the recommendation unit 50. The prediction unit 40 may transmit the learning data acquired by the acquisition unit 10 to the recommendation unit 50.
- a predetermined range for example, a settable range of the corresponding molding factor. Changes in the probability distribution of values may be calculated. In this case, the prediction unit 40 may calculate a change in the average value or a change in the median value of the predicted value of the analysis target characteristic and a change in the standard deviation as an index indicating the change in the probability distribution of the
- the recommendation unit 50 is connected to the prediction unit 40.
- the recommendation unit 50 generates a recommendation condition that is a combination of a plurality of molding factors having the highest probability of satisfying the target value of the analysis target characteristic.
- the recommendation unit 50 may generate a recommendation condition in which at least one of the plurality of molding factors is changed from the current value (currently the optimum value).
- the recommendation unit 50 may generate a recommended condition as a molding factor that changes at least one molding factor designated by the user 4 via the input unit 30.
- the recommendation unit 50 may transmit the generated recommended conditions to the learning unit 20 as learning data. Further, the recommendation unit 50 may transmit the recommended conditions to the manufacturing apparatus 2 as molding conditions for molding in the manufacturing apparatus 2.
- the recommendation unit 50 When the recommendation unit 50 generates a plurality of recommended conditions, it may be possible to select one of the generated recommended conditions to be transmitted to the manufacturing apparatus 2. The above selection may be made according to the input received by the input unit 30.
- the display unit 60 is connected to the recommended unit 50.
- the display unit 60 includes a display processing unit 62 and a display device 64.
- the display processing unit 62 executes display processing for displaying the probability distribution of the predicted value of the analysis target characteristic generated by the prediction unit 40 on the display device 64.
- the display processing unit 62 may execute display processing for displaying the recommended conditions on the display device together with the probability distribution of the predicted values.
- the display processing unit 62 inputs the name of the characteristic to be analyzed, the evaluation conditions, the prediction data, the name of each molding factor, the type name of the resin, the unit, and the settable range (for example, via the input unit 30).
- a display process for further displaying at least one of the formed molding factor range) and the latest set value on the display device 64 may be executed.
- the display processing unit 62 may execute a process of generating a display screen, a process of outputting data necessary for display to the display device 64 wirelessly or by wire, and the like.
- the display device 64 may be a display or the like included in the support device 3, or may be an external display such as a display screen of a terminal owned by the user 4 or a display screen of the manufacturing device 2.
- the support device 3 may have a transmission unit 70 that transmits molding conditions to the manufacturing device 2.
- the transmission unit 70 may receive the molding conditions input to the input unit 30 and transmit the molding conditions to the manufacturing apparatus 2, or may receive the recommended conditions generated by the recommendation unit 50 as the molding conditions and transmit the molding conditions to the manufacturing apparatus 2. May be good.
- FIG. 2 shows an example of the screen 200 displayed by the display unit 60 of the present embodiment.
- the display unit 60 includes an item name 210 for each molding factor, a slide bar 220 indicating a settable range of the molding factor, a pointer 230 indicating the position of the current value on the slide bar 220, and a molding factor.
- the current value 240, the list box 250 of the resin type name, and the predicted value box 260 showing the distribution of the predicted values of the characteristics to be analyzed in the case of the combination of the current values of the molding factors are displayed.
- the predicted value box 260 indicates that the average value in the predicted value probability distribution of the strength of the resin molded product is 100, and the standard deviation is 13.
- the user 4 changes the value of the molding factor by moving the pointer 230 with the mouse cursor using the mouse (input unit 30) while looking at the screen 200.
- the average and standard deviation of the predicted value distribution in the predicted value box 260 of the characteristic to be analyzed are changed in real time on the screen by the prediction unit 40 according to the change of the value set of the molding factor. Can accurately determine the molding conditions according to the probability distribution of the predicted values.
- FIG. 3 shows another example of the screen 300 displayed by the display unit 60 of the present embodiment.
- the display unit 60 executes a display process for displaying the change in the probability distribution of the predicted value of the analysis target characteristic on the screen 300 on the display device 64.
- the display processing unit 62 executes a display process for displaying a graph showing a change in the average value and a change in the standard deviation on the display device.
- the graph shows the predicted value (strength) of the analysis target characteristic on the vertical axis and the maximum injection pressure value (MPa) on the horizontal axis.
- the display unit 60 may display a range that may satisfy the target value (intensity ⁇ 25 in FIG. 3).
- the display unit 60 may display the screen 300 in a pop-up window displayed when the molding factor (maximum injection pressure value in FIG. 3) is selected by the user 4 on the screen 200.
- FIG. 4 shows another example of the screen 400 displayed by the display unit 60 of the present embodiment.
- the display unit 60 may display a plurality of recommended conditions for changing from the current value for at least one of the plurality of molding factors selected by the user 4.
- the display unit 60 displays three recommended conditions in the order of 1st to 3rd place regarding the drying temperature and the drying time.
- the display unit 60 may display only the molding factors that are changed from the current values, or may also display the values of other molding factors.
- the display unit 60 may display the screen 400 of FIG. 4 on one screen together with at least one of the screen 200 of FIG. 2 and the screen 300 of FIG.
- FIG. 5 shows the learning flow of the model in the support device 3 of the present embodiment.
- the manufacturing apparatus 2 performs resin molding.
- the manufacturing apparatus 2 may perform resin molding a plurality of times while changing the molding conditions of the resin molded product.
- step S510 the acquisition unit 10 acquires learning data from the manufacturing apparatus 2.
- the acquisition unit 10 may receive a plurality of combinations of the values of the plurality of molding factors and the values of the characteristics to be analyzed from the manufacturing apparatus 2. Further, the acquisition unit 10 acquires the values of a plurality of molding factors and the measurement data of the resin molded product (measurement values of the dimensions of the molded resin, image data, etc.) from the manufacturing apparatus 2, and the acquisition unit 10 acquires the values.
- the resin molded product may be evaluated to obtain the value of the characteristic to be analyzed.
- step S520 the learning unit 20 learns a model that generates a probability distribution of predicted values of the analysis target characteristics from the values of a plurality of molding factors using the learning data acquired by the acquisition unit 10.
- the learning unit 20 may receive the recommended conditions as learning data from the recommendation unit 50, and then learn the model using the learning data.
- the model is, for example, a Gaussian process or an ensemble model.
- the learning unit 20 may periodically learn and update the model in response to the acquisition unit 10 acquiring the learning data in S510 or in response to the input from the user 4.
- the learning flow may be terminated when the power of the support device 3 is turned off.
- FIG. 6 shows a display flow of molding factors in the support device 3 of the present embodiment.
- the input unit 30 may acquire at least one designation of the analysis target characteristic (for example, intensity) and the target value of the analysis target characteristic from the user 4. From the user 4, the input unit 30 specifies a molding factor whose value is to be changed, a plurality of molding factor values (for example, a combination of current optimum molding factor values, or a changed value, etc.), and a range of molding factors. At least one of (for example, a settable range, etc.) may be acquired.
- the analysis target characteristic for example, intensity
- the input unit 30 specifies a molding factor whose value is to be changed, a plurality of molding factor values (for example, a combination of current optimum molding factor values, or a changed value, etc.), and a range of molding factors. At least one of (for example, a settable range, etc.) may be acquired.
- the prediction unit 40 uses a model to generate a distribution of predicted values of the specific analysis target characteristic acquired by the input unit 30 from a plurality of molding factors. Further, the prediction unit 40 may calculate the average value and the standard deviation of the distribution of the generated predicted values.
- the model is a Gaussian process method
- the learning unit 20 may define a probability distribution from past learning data and output a predicted value probability distribution of the analysis target characteristic for input data such as a combination of molding factors as a Gaussian distribution. ..
- the model is an ensemble model
- the learning unit 20 uses a plurality of models corresponding to each of the plurality of analysis target characteristics to generate predicted values of the analysis target characteristics for input data such as a combination of molding factors. It may be output as a predicted value probability distribution.
- the prediction unit 40 may generate a plurality of predicted values (or changes) of the analysis target characteristic when the corresponding molding factor is changed within a predetermined range among the plurality of molding factors.
- the predetermined range to be changed can be set, for example, for each molding factor, a range input from the user 4 via the input unit 30, or a range of the manufacturing device 2 acquired from the manufacturing device 2 via the acquisition unit 10. It may be a range.
- the recommendation unit 50 may generate a recommendation condition using the distribution of the predicted values predicted by the prediction unit 40.
- the recommendation unit 50 satisfies the target value of the analysis target characteristic when, for example, one or a plurality of molding factors among the plurality of molding factors are changed within a predetermined range (for example, a specific range and a threshold value).
- a predetermined range for example, a specific range and a threshold value.
- a combination of molding factors having a high probability (satisfying the following range, a range above the threshold value, etc.) may be used as a recommended condition.
- the recommendation unit 50 calculates the probability of satisfying the target value of the search analysis target characteristic for each of a plurality of combinations of a plurality of molding factors that are candidates for the recommended condition, and the recommended condition is based on the predetermined condition from the probability. May be decided.
- the recommendation unit 50 may receive a selection from the user 4 via the input unit 30 for the molding factor to be changed. Further, in the recommendation unit 50, when the corresponding molding factor is changed within a predetermined range, the width of change of the predicted value of the analysis target characteristic (width between the minimum value and the maximum value) exceeds the threshold value. The factor may be selected as the molding factor to be varied. Further, the recommendation unit 50 may transmit data indicating the recommended conditions to the manufacturing apparatus 2 and control the manufacturing apparatus 2 so as to manufacture the resin molded product according to the recommended conditions.
- the display unit 60 displays the probability distribution of the predicted value of the analysis target characteristic and the recommended conditions on the screen.
- the display unit 60 may display, for example, at least one screen of FIGS. 2, 3, and 4 on the same screen or on different screens.
- the display unit 60 may display a part of the change in the probability distribution of the predicted value from the prediction unit 40.
- the display processing unit 62 may execute a display process for displaying the range of molding factors that may satisfy the target value of the analysis target characteristic input from the user 4 on the display device 64.
- the possibility that the analysis target characteristic satisfies the target value may be, for example, a case where the probability distribution of the predicted value of the analysis target characteristic includes the target value or the range of the target value of the analysis target characteristic.
- the display unit 60 may satisfy the target value in the range where the average value of the predicted values + the standard deviation is 25 or more. , It may be shown that the range of such maximum injection pressure is x1 or less, between x2 and x3, and x4 or more.
- the display unit 60 displays the optimum value combination among the plurality of combinations of the plurality of molding factors, the most recently acquired current value combination, or the value combination input from the user 4 via the input unit 30. You can do it.
- the display unit 60 may generate and output screen data and display it on an external display such as a terminal of the user 4 or a manufacturing apparatus 2.
- the probability distribution of the predicted value of the analysis target characteristic can be shown to the user 4, so that the user 4 can select the value of the molding factor that has a higher probability of satisfying the target value of the analysis target characteristic.
- the user 4 can easily adjust the molding conditions with high accuracy.
- it is possible to obtain optimum molding conditions according to the predicted characteristics to be analyzed without actually performing resin molding with all combinations of molding factors it is possible to reduce manufacturing costs by saving resin materials and time. can.
- the period from the adjustment of molding conditions to the start of product manufacturing can be shortened, and the operating rate of manufacturing equipment can be improved.
- the assistive device 3 may generate recommended conditions using a genetic algorithm or an evolutionary algorithm such as simulated annealing.
- the recommendation unit 50 generates the first recommended condition, which is a combination of a plurality of molding factors having the highest probability of satisfying the target value of the analysis target characteristic in S620 of FIG. 6, and transmits it to the learning unit 20.
- the learning unit 20 learns a model by using a combination of a plurality of molding factors of the first recommended condition as learning data.
- the prediction unit 40 generates a probability distribution of predicted values using the learned model in S610 of FIG. 6 and transmits it to the recommendation unit 50.
- the recommendation unit 50 generates a second recommended condition, which is a new combination of a plurality of molding factors having the highest probability of satisfying the target value of the analysis target characteristic, from the probability distribution of the predicted value. ..
- the recommendation unit 50 may further transmit the second recommended condition to the learning unit 20 to generate a new recommended condition in the same manner. Next, it will be described more specifically.
- the recommendation unit 50 generates a plurality of recommended conditions.
- the prediction unit 40 randomly generates a plurality of combinations of a plurality of molding factors that are candidates for recommended conditions within a search range (for example, a settable range) (step 1000).
- the prediction unit 40 inputs the combination of the generated molding factor values into the y1, y2, and y3 models corresponding to the three analysis target characteristics, respectively, and generates the predicted average value and the predicted standard deviation of the analysis target characteristics ( Step 1010).
- the predicted average values of the analysis target characteristics y1, y2, and y3 are set to ⁇ i, 1 , ⁇ i, 2 , and ⁇ i, 3 , and the predicted standard deviation is ⁇ i, Let 1 , ⁇ i, 2 and ⁇ i, 3 .
- the recommendation unit 50 calculates the probability that the predicted value satisfies the target value of the analysis target characteristic (step 1020). For example, the recommendation unit 50 considers that the probability distribution of the predicted value is a Gaussian distribution, and based on the predicted average value and the predicted standard deviation, sets the probabilities Pi and 1 below a (target value) for the analysis target characteristic y1. , the probability P i, 2 exceeding the b (target value) for the analyzed characteristics y2, analysis in the range of c ⁇ d for object characteristics y3 (target range) and a probability P i, 3 three following formula Calculate each with.
- the recommendation unit 50 may output a combination of a plurality of molding factors obtained as a recommended condition as a first recommended condition (step 1030).
- the recommendation unit 50 transmits data indicating the first recommended condition to the learning unit 20.
- the learning unit 20 adds the value of the analysis target characteristic for the first recommended condition as an average value to the database of learning data (step 1040).
- the learning unit 20 may add the value of the molding factor of the first recommended condition to the database of learning data assuming that the value of the corresponding analysis target characteristic does not satisfy the target value.
- steps 1000-1040 are repeated, and the combination of molding factors obtained in step 1030 at this time is set as the second recommended condition. Further, steps 1000-1040 can be repeated to obtain a third recommended condition, a fourth recommended condition, and the like.
- molding conditions can be adjusted based on recommended conditions without actually performing a large number of resin moldings, reducing resin molding costs, shortening the period until resin molding of products, improving the operating rate of manufacturing equipment, etc. Can be achieved.
- the support device 3 does not have to be connected to the manufacturing device 2, and the acquisition unit 10 may use the learning data as learning data such as resin molding data in another manufacturing device, data recorded on a recording medium, or a website. You may get the data.
- the support device 3 does not have to include the learning unit 20, and the model may be provided by an external learning device.
- FIG. 9 shows a screen 500 displayed on the display device 64.
- the display processing unit 62 receives the value of the designated molding factor together with the probability distribution of the predicted value.
- the display process for displaying the probability distribution of the predicted value of the analysis target characteristic in the display device 64 may be executed.
- the display processing unit 62 may display the probability distribution of the predicted value of the analysis target characteristic at the value of the designated molding factor on the display device 64 with the curve of the Gaussian distribution used by the prediction unit 40 for the prediction in step S610.
- the vertical axis of the Gaussian distribution curve indicates the predicted value of the analysis target characteristic
- the horizontal axis horizontal axis direction of the graph
- the display processing unit 62 may display the probability distribution of the predicted value of the intensity superimposed on the position corresponding to the maximum injection pressure values of 90 MPa and 265 MPa in the graph.
- FIG. 8 shows a screen 600 displayed on the display device 64. Similar to the screen 500, the display processing unit 62 causes the display device 64 to display the probability distribution of the predicted value of the analysis target characteristic at the value of the designated molding factor. However, when the prediction unit 40 uses a plurality of models for the prediction, as shown in FIG. 8, a plurality of mountains having a high probability may be formed in the curve of the probability distribution. According to the embodiments shown in FIGS. It is possible to improve the operating rate of the.
- FIG. 9 shows a screen 700 displayed on the display device 64.
- the display processing unit 62 may execute display processing for displaying the probability of satisfying the target value of the analysis target characteristic on the display device 64 together with the probability distribution of the predicted value.
- the display processing unit 62 may execute display processing for displaying the change in the probability of satisfying the target value of the analysis target characteristic on the display device 64 together with the probability distribution of the predicted value.
- the prediction unit may calculate the probability of satisfying the target value of the analysis target characteristic in at least one molding factor among the plurality of molding factors of the resin molding, for example, at least one of the plurality of molding factors of fat molding. When the values of the two molding factors are changed within a predetermined range, the change in the probability of satisfying the target value of the analysis target characteristic may be calculated.
- the screen shown in FIG. 9 may be similar to the screen shown in FIG. 3, but additionally includes a change in the probability of satisfying the target value.
- the display processing unit 62 receives the probabilities Pi and 2 that the intensity calculated by the recommended unit 50 exceeds the target value.
- the changes in Pi and 2 at the maximum injection pressure value of 0 to 300 Mpa may be displayed on the display device 64 by superimposing the changes in the probability distribution. According to such an embodiment, it is possible to adjust the value to a value with a high probability of being an appropriate molding condition without actually performing a large number of resin moldings, reduce the resin molding cost, shorten the period until resin molding of the product, and so on. It is possible to improve the operating rate of the manufacturing equipment.
- the display processing unit 62 may display only the change in the probability of satisfying the target value on the graph, and the display processing unit 62 may display the probability of satisfying the target value at the value of the molding factor specified by the user 4 as the change in the probability distribution. It may be displayed at the corresponding position.
- the support device 3 may be a PC, a server, a mobile terminal, or the like.
- the block serves (1) the stage of the process in which the operation is performed or (2) the role of performing the operation. It may represent a section of the device it has. Specific stages and sections are implemented by dedicated circuits, programmable circuits supplied with computer-readable instructions stored on a computer-readable medium, and / or processors supplied with computer-readable instructions stored on a computer-readable medium. It's okay.
- Dedicated circuits may include digital and / or analog hardware circuits, and may include integrated circuits (ICs) and / or discrete circuits.
- Programmable circuits are memory elements such as logical AND, logical OR, logical XOR, logical NAND, logical NOR, and other logical operations, flip-flops, registers, field programmable gate arrays (FPGA), programmable logic arrays (PLA), etc. May include reconfigurable hardware circuits, including, etc.
- the computer readable medium may include any tangible device capable of storing instructions executed by the appropriate device, so that the computer readable medium having the instructions stored therein is specified in a flowchart or block diagram. It will be equipped with a product that contains instructions that can be executed to create means for performing the operation. Examples of computer-readable media may include electronic storage media, magnetic storage media, optical storage media, electromagnetic storage media, semiconductor storage media, and the like.
- Computer-readable media include floppy® disks, optical discs, hard disks, random access memory (RAM), read-only memory (ROM), erasable programmable read-only memory (EPROM or flash memory), Electrically erasable programmable read-only memory (EEPROM), static random access memory (SRAM), compact disc read-only memory (CD-ROM), digital versatile disc (DVD), Blu-ray (RTM) disc, memory stick, integrated A circuit card or the like may be included.
- RAM random access memory
- ROM read-only memory
- EPROM or flash memory erasable programmable read-only memory
- EEPROM Electrically erasable programmable read-only memory
- SRAM static random access memory
- CD-ROM compact disc read-only memory
- DVD digital versatile disc
- RTM Blu-ray
- Computer-readable instructions include assembler instructions, instruction set architecture (ISA) instructions, machine instructions, machine-dependent instructions, microcode, firmware instructions, state-setting data, or Smalltalk®, JAVA®, C ++, etc.
- ISA instruction set architecture
- Object-oriented programming languages and either source code or object code written in any combination of one or more programming languages, including traditional procedural programming languages such as the "C" programming language or similar programming languages. May include.
- Computer-readable instructions are applied locally to a general purpose computer, a special purpose computer, or the processor or programmable circuit of another programmable data processor, or a wide area network (WAN) such as a local area network (LAN), the Internet, etc. ) May be executed to create a means for performing the operation specified in the flowchart or block diagram.
- WAN wide area network
- LAN local area network
- processors include computer processors, processing units, microprocessors, digital signal processors, controllers, microcontrollers and the like.
- FIG. 10 shows an example of a computer 2200 in which a plurality of aspects of the present invention may be embodied in whole or in part.
- the program installed on the computer 2200 can cause the computer 2200 to function as an operation associated with the device according to an embodiment of the present invention or as one or more sections of the device, or the operation or the one or more. Sections can be run and / or the computer 2200 can be run a process according to an embodiment of the invention or a stage of such process.
- Such a program may be run by the CPU 2212 to cause the computer 2200 to perform certain operations associated with some or all of the blocks in the flowcharts and block diagrams described herein.
- the computer 2200 includes a CPU 2212, a RAM 2214, a graphic controller 2216, and a display device 2218, which are connected to each other by a host controller 2210.
- the computer 2200 also includes input / output units such as a communication interface 2222, a hard disk drive 2224, a DVD-ROM drive 2226, and an IC card drive, which are connected to the host controller 2210 via the input / output controller 2220.
- input / output units such as a communication interface 2222, a hard disk drive 2224, a DVD-ROM drive 2226, and an IC card drive, which are connected to the host controller 2210 via the input / output controller 2220.
- the computer also includes legacy input / output units such as the ROM 2230 and keyboard 2242, which are connected to the input / output controller 2220 via an input / output chip 2240.
- the CPU 2212 operates according to the programs stored in the ROM 2230 and the RAM 2214, thereby controlling each unit.
- the graphic controller 2216 acquires the image data generated by the CPU 2212 in a frame buffer or the like provided in the RAM 2214 or itself so that the image data is displayed on the display device 2218.
- the communication interface 2222 communicates with other electronic devices via the network.
- the hard disk drive 2224 stores programs and data used by the CPU 2212 in the computer 2200.
- the DVD-ROM drive 2226 reads the program or data from the DVD-ROM 2201 and provides the program or data to the hard disk drive 2224 via the RAM 2214.
- the IC card drive reads programs and data from the IC card and / or writes programs and data to the IC card.
- the ROM 2230 stores a boot program or the like executed by the computer 2200 at the time of activation and / or a program depending on the hardware of the computer 2200.
- the input / output chip 2240 may also connect various input / output units to the input / output controller 2220 via a parallel port, serial port, keyboard port, mouse port, and the like.
- the program is provided by a computer-readable medium such as a DVD-ROM 2201 or an IC card.
- the program is read from a computer-readable medium, installed on a hard disk drive 2224, RAM 2214, or ROM 2230, which is also an example of a computer-readable medium, and executed by the CPU 2212.
- the information processing described in these programs is read by the computer 2200 and provides a link between the program and the various types of hardware resources described above.
- the device or method may be configured to perform manipulation or processing of information in accordance with the use of computer 2200.
- the CPU 2212 executes a communication program loaded in the RAM 2214, and performs communication processing on the communication interface 2222 based on the processing described in the communication program. You may order.
- the communication interface 2222 reads and reads transmission data stored in a transmission buffer processing area provided in a recording medium such as a RAM 2214, a hard disk drive 2224, a DVD-ROM 2201, or an IC card. The data is transmitted to the network, or the received data received from the network is written to the reception buffer processing area or the like provided on the recording medium.
- the CPU 2212 causes the RAM 2214 to read all or necessary parts of a file or database stored in an external recording medium such as a hard disk drive 2224, a DVD-ROM drive 2226 (DVD-ROM2201), or an IC card. Various types of processing may be performed on the data on the RAM 2214. The CPU 2212 then writes back the processed data to an external recording medium.
- an external recording medium such as a hard disk drive 2224, a DVD-ROM drive 2226 (DVD-ROM2201), or an IC card.
- Various types of processing may be performed on the data on the RAM 2214.
- the CPU 2212 then writes back the processed data to an external recording medium.
- the CPU 2212 describes various types of operations, information processing, conditional judgment, conditional branching, unconditional branching, and information retrieval described in various parts of the present disclosure with respect to the data read from the RAM 2214. Various types of processing may be performed, including / replacement, etc., and the results are written back to RAM 2214. Further, the CPU 2212 may search for information in a file, a database, or the like in the recording medium. For example, when a plurality of entries each having an attribute value of the first attribute associated with the attribute value of the second attribute are stored in the recording medium, the CPU 2212 specifies the attribute value of the first attribute. Search for an entry that matches the condition from the plurality of entries, read the attribute value of the second attribute stored in the entry, and associate it with the first attribute that satisfies the predetermined condition. The attribute value of the second attribute obtained may be acquired.
- the program or software module described above may be stored on a computer 2200 or on a computer-readable medium near the computer 2200.
- a recording medium such as a hard disk or RAM provided in a dedicated communication network or a server system connected to the Internet can be used as a computer readable medium, thereby providing the program to the computer 2200 over the network. do.
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Abstract
Description
特許文献1 特開2006-123172号公報
2 製造装置
3 支援装置
10 取得部
20 学習部
30 入力部
40 予測部
50 推奨部
60 表示部
62 表示処理部
64 表示装置
70 送信部
200 画面
210 項目名
220 スライドバー
230 ポインタ
240 現在の値
250 リストボックス
260 予測値ボックス
300 画面
400 画面
500 画面
600 画面
700 画面
2200 コンピュータ
2201 DVD-ROM
2210 ホストコントローラ
2212 CPU
2214 RAM
2216 グラフィックコントローラ
2218 ディスプレイデバイス
2220 入/出力コントローラ
2222 通信インタフェース
2224 ハードディスクドライブ
2226 DVD-ROMドライブ
2230 ROM
2240 入/出力チップ
2242 キーボード
Claims (14)
- 樹脂成形を支援する装置であって、
前記樹脂成形の複数の成形因子の値に対応する、樹脂成形体の解析対象特性の予測値の確率分布を生成する予測部と、
前記解析対象特性の前記予測値の確率分布を表示装置に表示させるための表示処理を実行する表示処理部とを備える
装置。 - 前記予測部は、前記樹脂成形の複数の成形因子のうち少なくとも1つの成形因子の値を予め定められた範囲で変化させた場合における、前記解析対象特性の予測値の確率分布の変化を算出し、
前記表示処理部は、前記解析対象特性の前記予測値の確率分布の変化を前記表示装置に表示させるための表示処理を実行する
請求項1に記載の装置。 - 前記予測部は、前記確率分布の変化を示す指標として前記解析対象特性の予測値の平均値の変化と標準偏差の変化とを算出し、
前記表示処理部は、前記平均値の変化と前記標準偏差の変化とを前記表示装置に表示させるための表示処理を実行する
請求項2に記載の装置。 - 前記表示処理部は、前記解析対象特性の目標値を満たす可能性を有する前記成形因子の範囲を前記表示装置に表示させるための表示処理を実行する
請求項2または3に記載の装置。 - 前記樹脂成形の複数の成形因子のうち少なくとも1つの成形因子の値の指定をユーザから受け取る入力部を備え、
前記表示処理部は、前記予測値の確率分布とともに、前記指定された成形因子の値における前記解析対象特性の前記予測値の確率分布を前記表示装置に表示させるための表示処理を実行する
請求項1から4のいずれか一項に記載の装置。 - 前記予測部は、
前記樹脂成形の前記複数の成形因子の少なくとも1つについてのデータを入力したことに応じて、前記解析対象特性の前記予測値の確率分布を生成するモデルを有する
請求項1から5のいずれか一項に記載の装置。 - 前記予測部は、複数の前記モデルを用いて、前記解析対象特性の前記予測値をそれぞれ生成し、生成した前記予測値の平均値と標準偏差とを算出する
請求項6に記載の装置。 - 前記解析対象特性の目標値を満たす確率が最も高い前記複数の成形因子の組み合わせである推奨条件を生成する推奨部を備え、
前記表示処理部は、前記予測値の確率分布の変化とともに、前記推奨条件を前記表示装置に表示させるための表示処理を実行する
請求項1から7のいずれか一項に記載の装置。 - 前記予測部は、
予め樹脂成形を行った結果における前記複数の成形因子の値と前記解析対象特性の値との組を含む学習データを取得する取得部と、
前記学習データを用いて、前記複数の成形因子の値から前記解析対象特性の予測値を生成するモデルを学習する学習部とを有する
請求項1から8のいずれか一項に記載の装置。 - 前記予測部は、前記樹脂成形の複数の成形因子のうち少なくとも1つの成形因子における、前記解析対象特性の目標値を満たす確率を算出し、
前記表示処理部は、前記予測値の確率分布とともに、前記解析対象特性の目標値を満たす確率を前記表示装置に表示させるための表示処理を実行する
請求項1から9のいずれか一項に記載の装置。 - 前記予測部は、前記樹脂成形の複数の成形因子のうち少なくとも1つの成形因子の値を予め定められた範囲で変化させた場合における、前記解析対象特性の目標値を満たす確率の変化を算出し、
前記表示処理部は、前記予測値の確率分布とともに、前記解析対象特性の目標値を満たす確率の変化を前記表示装置に表示させるための表示処理を実行する
請求項10に記載の装置。 - 樹脂成形を支援する方法であって、
前記樹脂成形の複数の成形因子の値に対応する、樹脂成形体の解析対象特性の予測値の確率分布を生成する段階と、
前記解析対象特性の前記予測値の確率分布を表示装置に表示させるための表示処理を実行する段階とを備える
方法。 - 前記解析対象特性の予測値の確率分布を生成する段階は、前記樹脂成形の複数の成形因子のうち少なくとも1つの成形因子の値を予め定められた範囲で変化させた場合における、樹脂成形体の解析対象特性の予測値の確率分布の変化を算出する段階を有し、
前記表示処理を実行する段階は、前記解析対象特性の前記予測値の確率分布の変化を前記表示装置に表示させるための表示処理を実行する段階を有する
請求項12に記載の方法。 - コンピュータに、
樹脂成形の複数の成形因子の値に対応する、樹脂成形体の解析対象特性の予測値の確率分布を生成する段階と、
前記解析対象特性の前記予測値の確率分布を表示装置に表示させるための表示処理を実行する段階とを実行させるためのプログラム。
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JP2024054170A (ja) | 2024-04-16 |
CN115335205A (zh) | 2022-11-11 |
EP4129621A4 (en) | 2023-10-11 |
EP4129621A1 (en) | 2023-02-08 |
KR20220146574A (ko) | 2022-11-01 |
JPWO2021201187A1 (ja) | 2021-10-07 |
TW202206255A (zh) | 2022-02-16 |
US20230010715A1 (en) | 2023-01-12 |
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