WO2017122636A1 - 組合せ計量装置用の制御装置、組合せ計量装置及び組合せ計量装置システム - Google Patents
組合せ計量装置用の制御装置、組合せ計量装置及び組合せ計量装置システム Download PDFInfo
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- WO2017122636A1 WO2017122636A1 PCT/JP2017/000486 JP2017000486W WO2017122636A1 WO 2017122636 A1 WO2017122636 A1 WO 2017122636A1 JP 2017000486 W JP2017000486 W JP 2017000486W WO 2017122636 A1 WO2017122636 A1 WO 2017122636A1
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- combination weighing
- weighing device
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/387—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for combinatorial weighing, i.e. selecting a combination of articles whose total weight or number is closest to a desired value
- G01G19/393—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for combinatorial weighing, i.e. selecting a combination of articles whose total weight or number is closest to a desired value using two or more weighing units
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- One embodiment of the present disclosure relates to a control device for a combination weighing device, a combination weighing device, and a combination weighing device system.
- the combination weighing device that measures articles such as confectionery and fruits with variations in individual weights so that the total weight is within an allowable range.
- the combination weighing device is provided with a plurality of heads each having a radiation feeder that conveys an article by vibration and a weighing hopper that holds and weighs the article discharged from the radiation feeder.
- the combination weighing device calculates a combination of the masses weighed by the weighing hoppers, and selects a weighing hopper that discharges an article from the result.
- This combination weighing device determines various parameters relating to combination weighing such as vibration time, vibration intensity in the radiation feeder, or opening / closing time of the gate of the weighing hopper as disclosed in Patent Document 1.
- various parameters are input by an operator (operator) or the like via an operation unit provided in each combination weighing device.
- One aspect of the present disclosure provides a control device, a combination weighing device, and a combination weighing device system for a combination weighing device that can improve the convenience of an operator when setting parameters related to combination weighing in a plurality of combination weighing devices. With the goal.
- a control device for a combination weighing device acquires an acquisition unit capable of acquiring parameters relating to combination weighing set in each of the combination weighing devices from a plurality of combination weighing devices, and acquires the parameters through the acquisition unit Combinations that collect parameters from possible combination weighing devices, generate setting parameters to be set in some combination weighing devices among the combination weighing devices that can be acquired through the acquisition unit, and that can be acquired through the acquisition unit based on the collected parameters
- a control unit that transmits the setting parameter to a part of the weighing device.
- the control device for the combination weighing device having this configuration automatically collects the parameter and determines a setting parameter, and sets the parameter for a plurality of combination weighing devices. Set parameters.
- the operator can save time and effort to set parameters for each combination weighing device.
- it is possible to improve the convenience of the operator when setting parameters related to combination weighing in a plurality of combination weighing devices.
- the acquisition unit is a communication unit that can communicate with a plurality of combination weighing devices, and the control unit can perform a combination from the combination weighing device that can communicate through the communication unit.
- Collects parameters related to combination weighing set in the weighing device generates setting parameters to be set in some combination weighing devices among the combination weighing devices that can communicate through the communication unit based on the collected parameters, and communicates through the communication unit
- the setting parameters may be transmitted to some of the possible combination weighing devices.
- control device for the combination weighing device having this configuration, parameters can be exchanged via a communication unit that can communicate with a plurality of combination weighing devices. Convenience can be further improved.
- a control device for a combination weighing device acquires an acquisition unit capable of acquiring parameters relating to combination weighing set in each of the combination weighing devices from a plurality of combination weighing devices, and acquires the parameters through the acquisition unit
- a receiving unit that accepts a parameter related to combination weighing for a specific combination weighing device among possible combination weighing devices, and another combination weighing device that is different from the specific combination weighing device based on the parameters received through the receiving unit,
- a control unit that generates setting parameters to be set in the combination weighing device that can be acquired through the acquisition unit, and transmits the setting parameters to the other combination weighing devices.
- the control device for the combination weighing device having this configuration receives a parameter for a specific combination weighing device via the receiving unit in the control device. Then, when the parameter is determined as the setting parameter, the control device causes the setting parameter to be set for another combination weighing device different from the specific combination weighing device. As a result, the operator can save time and effort to set parameters for each combination weighing device. As a result, it is possible to improve the convenience of the operator when setting parameters related to combination weighing in a plurality of combination weighing devices.
- the acquisition unit is a communication unit that communicates with a plurality of combination weighing devices
- the reception unit is a specific combination weighing device that can communicate through the communication unit.
- the combination weighing device is capable of receiving parameters related to combination weighing for the combination weighing device, and the control unit can communicate with another combination weighing device different from the specific combination weighing device based on the parameters received via the receiving unit through the communication unit.
- a setting parameter to be set in the apparatus may be determined, and the setting parameter may be transmitted to another combination weighing apparatus.
- control device for the combination weighing device having this configuration, parameters can be exchanged via a communication unit that can communicate with a plurality of combination weighing devices. Convenience can be further improved.
- control unit is a ratio of the number of times combination weighing is established to the number of times combination weighing is performed from the combination weighing device capable of acquiring parameters through the acquisition unit. It may be determined whether or not a parameter in a combination weighing device that operates at a predetermined operating rate is set as a setting parameter candidate using the operating rate as a determination criterion.
- the control device for the combination weighing device having this configuration collects not only the parameters but also the operation rate from the combination weighing device that can communicate through the communication unit. As a result, the control device can determine whether or not to use the collected parameters as a setting parameter candidate based on the operating rate that is an indicator of the quality of the parameters.
- control unit has a higher operation rate than the first value than the parameter acquired from the combination weighing device whose operation rate is the first value.
- a parameter acquired from the combination weighing device having a value of 2 may be set parameter candidates.
- the control device for the combination weighing device having this configuration when a plurality of parameters are acquired, sets a parameter that can realize a relatively high operation rate as a candidate for a setting parameter. Thereby, the control apparatus can set the parameter of the combination weighing device that can realize a high operation rate as the setting parameter.
- the operating rate of the plurality of combination weighing devices that can communicate with each other via the communication unit can be further increased. That is, the processing capability of a plurality of combination weighing devices that can communicate with each other via the communication unit can be improved.
- control unit may use a parameter acquired from the combination weighing device having an operation rate larger than the third value which is a predetermined threshold as a setting parameter candidate.
- the control device for the combination weighing device having this configuration sets only the parameters of the combination weighing device that can realize an operation rate of a certain level or more as setting parameters. As a result, the operating rate of the plurality of combination weighing devices that can communicate with each other via the communication unit can be increased to a certain value or more. That is, it is possible to maintain the processing capability of a plurality of combination weighing devices that can communicate with each other via the communication unit at a certain level or more.
- control unit indicates an operation rate that indicates an operation rate that is a ratio at which the combination weighing occupies the number of times the combination weighing is performed from the specific combination weighing device.
- Information may be acquired, and based on the acquired operation rate, it may be determined whether or not the parameter is a setting parameter candidate.
- the control device for the combination weighing device having this configuration collects not only the parameters but also the operation rate from the combination weighing device that can communicate through the communication unit. As a result, the control device can determine whether or not to use the collected parameters as a setting parameter candidate based on the operating rate that is an indicator of the quality of the parameters.
- control unit may use the parameter as a setting parameter candidate when the operation rate acquired from the specific combination weighing device is larger than a predetermined value.
- the control device for the combination weighing device having this configuration sets only the parameters of the combination weighing device that can realize an operation rate of a certain level or more as setting parameters. As a result, the operating rate of the plurality of combination weighing devices that can communicate with each other via the communication unit can be increased to a certain value or more. In other words, the control device can maintain the processing capacity of a plurality of combination weighing devices that can communicate with each other via the communication unit at a certain level or more.
- the combination weighing device is set in the own device using a change tendency of parameters generated based on a plurality of parameters set in the past in the own device.
- the control unit obtains the number information regarding the number of parameters used when generating the change tendency of the parameter from the combination weighing device capable of obtaining the parameter through the obtaining unit, and uses the obtained number information as a reference As another example, it may be determined whether a parameter in the combination weighing device corresponding to the number information is set as a setting parameter candidate.
- the control device for the combination weighing device having this configuration is a control method using a change tendency of parameters generated based on a plurality of parameters set in the past in the own device, that is, combination weighing when performing some control by so-called learning control.
- learning control it is known that the parameter updated based on a larger number obtains an operation closer to the target.
- the parameter updated by deeper learning can be said to be a parameter with higher accuracy.
- the control device for the weighing device having this configuration it is possible to determine whether or not to be a set parameter candidate from the collected parameters, based on the learning depth as an index for the quality of the parameter.
- the control unit includes a target supply amount W set in a hopper included in the combination weighing device from a combination weighing device capable of acquiring parameters through the acquisition unit, and a hopper If the supply information based on the supply amount W1 of the article actually put in is acquired, and the deviation between the target supply amount W and the supply amount W1 is determined to be within a predetermined threshold based on the acquired supply information,
- the parameter of the combination weighing device that is the acquisition source of the target supply information may be set parameter candidates.
- the control device for the combination weighing device having this configuration can determine whether or not to use the collected parameters as a setting parameter candidate based on the operating rate that is an indicator of the quality of the parameters.
- a combination weighing device includes a conveyance unit that conveys an article, a plurality of hoppers that temporarily store articles conveyed by the conveyance unit, and weighing according to the mass of the articles stored in the hopper Select a combination of weighing values from the weighing unit that weighs the values and the multiple weighing values that are weighed by the weighing unit and are associated with multiple hoppers, so that the total value becomes the target weighing value, and the corresponding combination
- a weighing control unit that causes the hopper to discharge the article, and a control device for the combination weighing device.
- the combination weighing device having this configuration, when a parameter is set in at least one combination weighing device connected via a communication unit, the parameter is automatically collected to determine a setting parameter, and a plurality of combination weighing devices To set the setting parameter.
- the operator can save time and effort to set parameters for each combination weighing device.
- it is possible to improve the convenience of the operator when setting parameters related to combination weighing in a plurality of combination weighing devices.
- a combination weighing device system includes a plurality of combination weighing devices and a control device for the combination weighing device.
- the combination weighing device includes a conveyance unit that conveys an article, and a conveyance unit.
- a plurality of hoppers that temporarily store the conveyed articles, a weighing unit that measures a measurement value according to the mass of the articles stored in the hopper, and a plurality that is measured by the weighing unit and associated with the plurality of hoppers
- a measurement control unit that selects a combination of measurement values from the measurement values so that the total value becomes the target measurement value, and causes the hopper corresponding to the combination to discharge the article.
- the combination weighing device system When a parameter is set in at least one combination weighing device connected to the control device for the combination weighing device, the combination weighing device system having this configuration automatically collects the parameter and determines a setting parameter.
- the setting parameter is set for the combination weighing device.
- FIG. 1 is a diagram schematically illustrating a configuration of a combination weighing device system according to an embodiment.
- FIG. 2 is a diagram showing the configuration of the combination weighing device included in FIG.
- FIG. 3 is a block diagram showing a functional configuration of the combination weighing device system.
- FIG. 4 is a graph showing the relationship between the layer thickness S and the supply amount W1.
- FIG. 5 is a diagram schematically illustrating a configuration of a combination weighing device according to another embodiment.
- the combination weighing system 100 includes a plurality of combination weighing devices 1 and a management server (a control device for the combination weighing device) 80.
- the management server 80 and the plurality of combination weighing devices 1 are connected to each other via a wired or wireless LAN (Local Area Network) 70 so that they can communicate with each other.
- a combination weighing system 100 in which a plurality of combination weighing devices 1 arranged in a factory is managed by a management server 80 arranged in a management room or the like in the factory will be described as an example.
- the combination weighing device 1 includes an input chute 2, a dispersion feeder (conveyance unit) 3, a plurality of radiation feeders (conveyance unit) 4, a distance measuring sensor 45 (see FIG. 3), A plurality of pool hoppers 5, a plurality of weighing hoppers (hoppers) 6, a plurality of booster hoppers (hoppers) 7, a collecting chute 8, a timing hopper 9, a weighing unit 11, and a weighing control unit 20 are provided. .
- the combination weighing device 1 measures the article A supplied by the conveyor 50 so as to have a target measurement value, and supplies it to the bag making and packaging machine 60.
- the article A is an article having a variation in unit mass, such as agricultural products, marine products, processed foods, and the like.
- the bag making and packaging machine 60 packs the article A supplied by being measured by the combination weighing device 1 while forming the film into a bag having a predetermined capacity.
- the charging chute 2 is disposed below the transport end 50a of the transport conveyor 50.
- the input chute 2 receives the article A dropped from the transport end 50a of the transport conveyor 50 and discharges it downward.
- the dispersion feeder 3 is disposed below the charging chute 2.
- the dispersion feeder 3 has a conical conveying surface 3a that spreads downward toward the bottom.
- the dispersion feeder 3 vibrates the conveyance surface 3a to uniformly convey the article A discharged from the charging chute 2 to the top of the conveyance surface 3a toward the outer edge of the conveyance surface 3a.
- the plurality of radial feeders 4 are arranged radially along the outer edge of the conveying surface 3 a of the dispersion feeder 3.
- Each radiating feeder 4 has a trough 4a extending outward from below the outer edge of the transport surface 3a.
- Each radiation feeder 4 vibrates the trough 4a to convey the article A discharged from the outer edge of the conveying surface 3a toward the tip of the trough 4a.
- a distance measuring sensor 45 is disposed above each radiation feeder 4 so as to correspond to each radiation feeder 4.
- the distance measuring sensor 45 detects the distance between the distance measuring sensor 45 and the article on the radiation feeder 4.
- the distance measuring sensor 45 obtains the distance between the distance measuring sensor 45 and the article by, for example, irradiating light toward the article A and receiving the light reflected by the article A.
- the distance measuring sensor 45 detects the distance to the article A located in the vicinity of the discharge end of the radiation feeder 4.
- the distance measuring sensor 45 outputs a detection signal indicating the detected distance to the article A to the measurement control unit 20.
- the layer thickness S of the article A is converted based on the difference between the distance from the bottom surface of the trough 4 a of the radiation feeder 4 to the distance measuring sensor 45 and the distance indicated by the detection signal.
- each pool hopper 5 is disposed below the front end of the trough 4a of each radiation feeder 4.
- Each pool hopper 5 has a gate 5a that can be opened and closed with respect to its bottom.
- Each pool hopper 5 temporarily stores the articles A discharged from the tip of the corresponding trough 4a by closing the gate 5a. Further, each pool hopper 5 opens the gate 5a to discharge the temporarily stored article A downward.
- Each weighing hopper 6 is disposed below the gate 5a of each pool hopper 5.
- Each weighing hopper 6 has a gate 6a and a gate 6b that can be opened and closed with respect to the bottom thereof.
- Each weighing hopper 6 temporarily stores the articles A discharged from the corresponding pool hopper 5 with the gate 6a and the gate 6b closed, and temporarily stores them by opening the gate 6a or the gate 6b. Article A is discharged downward.
- Each booster hopper 7 is disposed below the gate 6a of each weighing hopper 6.
- Each booster hopper 7 has a gate 7a that can be opened and closed with respect to its bottom.
- Each booster hopper 7 temporarily stores the articles A discharged from the gate 6a side of the corresponding weighing hopper 6 by closing the gate 7a. Further, each booster hopper 7 opens the gate 7a to discharge the temporarily stored article A downward.
- the collective chute 8 is formed in a cylindrical shape having an inner surface 8a of a truncated cone tapered downward.
- the collecting chute 8 is arranged so that the inner surface 8 a is positioned below all the weighing hoppers 6 and all the booster hoppers 7.
- the collecting chute 8 receives the article A discharged from the gate 6b side of each weighing hopper 6 and the article A discharged from each booster hopper 7 by the inner surface 8a and discharges it downward.
- the timing hopper 9 is disposed below the collective chute 8.
- the timing hopper 9 has a gate 9a that can be opened and closed with respect to its bottom.
- the timing hopper 9 temporarily stores the articles A discharged from the collective chute 8 with the gate 9a closed, and opens the gate 9a so that the temporarily stored articles A are stored in the bag making and packaging machine 60. Discharge.
- the charging chute 2, the dispersion feeder 3, the plurality of radiation feeders 4, the plurality of pool hoppers 5, and the plurality of weighing hoppers 6 are supported directly or indirectly by the case 13.
- the distance measuring sensor 45, the plurality of booster hoppers 7, the collective chute 8 and the timing hopper 9 are directly or indirectly supported by the frame 12.
- the weighing unit 11 is arranged in a case 13 supported by the frame 12.
- the weighing unit 11 has a plurality of load cells 11a. Each load cell 11a supports a corresponding weighing hopper 6. When the article A is temporarily stored in each weighing hopper 6, the weighing unit 11 measures a measurement value corresponding to the mass of the article A.
- the measurement control unit 20 is disposed in the case 13.
- the measurement control unit 20 includes a CPU (Central Processing Unit), a ROM (Read Only Memory), a RAM (Random Access Memory), and the like.
- the weighing control unit 20 controls the operation of each unit of the combination weighing device 1. Specifically, the weighing control unit 20 performs the conveying operation of the dispersion feeder 3 and the radiation feeder 4, the opening / closing operation of the gate 5a of each pool hopper 5, the opening / closing operation of the gate 6a and gate 6b of each weighing hopper 6, and the booster hopper 7 The opening / closing operation of the gate 7a and the gate 9a of each timing hopper 9 are controlled.
- the combination weighing apparatus 1 is set with parameters for controlling these operations (hereinafter referred to as “parameters relating to combination weighing”).
- the weighing control unit 20 stores parameters related to combination weighing.
- This parameter to be stored includes, for example, a parameter stored as an initial value.
- a parameter input and set by an operator via an operation unit (not shown) or the like examples of the parameters relating to the combination weighing include the dispersion target mass in the dispersion feeder 3, the power (intensity) and time, the power (intensity) and time in the radiation feeder 4, the pool hopper 5, the weighing hopper 6, and the booster hopper 7. Opening and closing operations and operation timing, and a filter at the time of weighing are included.
- the weighing control unit 20 stores the weighing value weighed by the weighing unit 11 and the weighing hopper 6 and / or the booster hopper 7 in which the article A corresponding to the weighing value is stored. Specifically, when the article A weighed by the weighing unit 11 is stored in the weighing hopper 6, the weighing control unit 20 determines the weighing value weighed by the weighing unit 11 and the article A corresponding to the weighing value. The weighing hopper 6 to be stored is stored in association with each other. When the article A weighed by the weighing unit 11 is discharged to the booster hopper 7 corresponding to the weighing hopper 6, the weighing control unit 20 measures the weighing value of the article A weighed by the weighing unit 11 and the weighing hopper 6. Is stored in association with the booster hopper 7 corresponding to.
- the measurement control unit 20 selects a combination of measurement values so that the total value becomes the target measurement value from a plurality of measurement values measured by the measurement unit 11 and associated with the measurement hopper 6 and / or the booster hopper 7. . Specifically, the measurement control unit 20 selects a combination of measurement values from a plurality of measurement values output by the measurement unit 11 so that the total value falls within a predetermined range with the target measurement value as a lower limit value. Then, the weighing control unit 20 causes the weighing hopper 6 and / or the booster hopper 7 corresponding to the combination to discharge the article A.
- the weighing control unit 20 controls the feeding force P of the radiation feeder 4 in accordance with the change in the layer thickness S (see FIG. 3) of the article A on the trough 4a acquired by the distance measuring sensor 45. More specifically, the weighing control unit 20 is based on the following equation (1), which is a relationship among the layer thickness S of the article, the supply amount W1 of the radiating feeder 4, and the feeding force P of the radiating feeder 4. The feed force P of the radiation feeder 4 is controlled.
- P B ⁇ W / S + C (1)
- the feeding force P is the amplitude of vibration of the radiation feeder 4.
- the amplitude is small. Therefore, the supply amount of the article A supplied from the radiation feeder 4 to the weighing hopper 6 (pool hopper 5) is reduced.
- the value of the feeding force P is large, the amplitude becomes large. Therefore, the supply amount of the article A supplied from the radiation feeder 4 to the weighing hopper 6 increases.
- the layer thickness S is the distance between the bottom surface of the trough 4 a of the radiation feeder 4 and the upper part of the article A in the vicinity of the discharge end of the radiation feeder 4.
- the supply amount W1 is the amount of the article A supplied from the radiation feeder 4 to the weighing hopper 6 via the pool hopper 5.
- each of “B” and “C” is a coefficient.
- the coefficient B and the coefficient C in the initial state of the combination weighing device 1, for example, values obtained empirically according to the configuration of the combination weighing device 1 are given as initial values.
- the coefficient B and the coefficient C are values that can be changed according to the shape of the radiation feeder 4 and / or the type of article. Note that the target supply amount W, the coefficient B, and the coefficient C used in the above equation (1) are also included in the parameters related to the combination weighing described above.
- the measurement control unit 20 updates the coefficient B and the coefficient C by learning control. Specifically, the measurement control unit 20 sequentially calculates the coefficient B and the coefficient C based on the layer thickness S, the supply amount W1, and the feed force P acquired continuously from the past.
- the coefficient B and the coefficient C indicate a change tendency of the parameter generated based on the plurality of parameters set in the past in the own apparatus.
- the measurement control unit 20 stores the actual supply amount W1 when the feeding force P is controlled according to the layer thickness S so as to be a predetermined target supply amount W as history information.
- the weighing control unit 20 stores the power P, the value obtained by dividing the supply amount W1 by the layer thickness S (supply amount W1 / layer thickness S), and the operation time t of the radiation feeder 4 in association with each other.
- the measurement control unit 20 updates the coefficient B and the coefficient C based on such history information.
- the measurement control unit 20 calculates the coefficient B and the coefficient C based on the plurality of history information stored in this way. In this case, the measurement control unit 20 calculates the coefficient B and the coefficient C on the assumption that the relationship shown in the above formula (1) is established with respect to the layer thickness S, the supply amount W1, and the feeding force P. Specifically, the weighing control unit 20 derives a new coefficient B and coefficient C by, for example, the least square method or the like based on the history information acquired so far for each operation time t of the radiation feeder 4. In addition, when deriving new coefficients B and C, weights (the magnitude of influence when determining new coefficients B and C) can be set for individual history information. For example, for information close to the current time, the weight is high. The coefficient B and the coefficient C are used when determining the current or future power P.
- the management server 80 mainly includes a display (not shown), a communication unit 81, a parameter control unit (control unit) 82, and a reception unit 83.
- the communication unit 81 enables communication with a plurality of combination weighing devices 1.
- the communication unit 81 is, for example, a LAN interface.
- the parameter control unit 82 is a device that controls parameters related to combination weighing set in the plurality of combination weighing devices 1.
- the parameter control unit 82 includes a CPU (Central Processing Unit), a ROM (Read Only Memory) and a RAM (Random Access Memory) as a main storage device, and a hard disk or an mSATA standard SSD (Solid State Drive) as an auxiliary storage device. ) Etc.) etc.
- the parameter control unit 82 includes a plurality of combination weighing devices 1 that can communicate with each other through the communication unit 81 (hereinafter, a plurality of combination weighing devices 1 that can communicate with each other through the communication unit 81 are simply referred to as “a plurality of combination weighing devices 1”).
- the parameters relating to the combination weighing set in the combination weighing apparatus 1 are collected.
- the parameter control unit 82 may instruct the plurality of combination weighing devices 1 to transmit parameters and collect the parameters.
- the parameter control unit 82 may collect parameters transmitted continuously or periodically from the plurality of combination weighing devices 1.
- the parameter collection timing is preferably set as appropriate, such as every certain time, every weighing operation in the combination weighing device 1, and every certain number of weighing operations in the combination weighing device 1.
- the parameter control unit 82 sets common parameters (setting parameters) set in common to the plurality of combination weighing devices 1 in a storage unit such as its own RAM based on the collected parameters.
- the parameter control unit 82 transmits a common parameter to the plurality of combination weighing devices 1 and causes the combination weighing device 1 as a transmission destination to set the common parameter.
- the parameter control unit 82 determines from which combination weighing device 1 among the plurality of combination weighing devices 1 a candidate for a common parameter, for example, by performing one of the following four processes: Can be determined.
- the first process is a process based on operating rate information indicating an operating rate, which is a ratio of the number of times the combination weighing is established to the number of times the combination weighing is executed. That is, the parameter control unit 82 acquires operation rate information from the plurality of combination weighing devices 1 in addition to the above parameters. The parameter control unit 82 determines whether or not a parameter in the combination weighing device 1 operating at a predetermined operating rate is a common parameter candidate using the operating rate as a determination criterion. Specifically, the parameter control unit 82 is a combination weighing device whose operating rate is a second value higher than the first value than the parameter acquired from the combination weighing device 1 whose operating rate is the first value. The parameter acquired from 1 is given priority as a common parameter candidate.
- the parameter control unit 82 preferentially sets a parameter acquired from the combination weighing device 1 operating at a higher operation rate among the plurality of combination weighing devices 1 as a common parameter candidate. Further, for example, the parameter control unit 82 sets a parameter acquired from the combination weighing device 1 having the highest operating rate among the plurality of combination weighing devices 1 as a common parameter candidate.
- the second process is a process based on the availability information as in the first process. That is, the parameter control unit 82 sets a parameter acquired from the combination weighing device 1 having an operation rate larger than the third value as a common parameter candidate. In other words, a parameter acquired from the combination weighing device 1 that operates at an operation rate equal to or higher than a predetermined threshold (for example, 98% or more) among the plurality of combination weighing devices 1 is set as a common parameter candidate.
- a predetermined threshold for example, 98% or more
- a plurality of combination weighing devices 1 are set in the own device at present or in the future by using a parameter changing tendency updated (generated) based on a plurality of parameters set in the past in the own device.
- This is a process based on the depth of learning.
- the depth of learning is the number of history information used for updating. That is, the parameter control unit 82 acquires the learning depth of the parameter from the plurality of combination weighing devices 1 in addition to the parameters (coefficient B and coefficient C).
- the parameter control unit 82 uses the learning depth as a determination criterion to determine whether or not a parameter having the learning depth is a common parameter candidate.
- the parameter control unit 82 sets the most deeply learned parameter among the parameters (coefficient B and coefficient C) acquired from the plurality of combination weighing devices 1 as a common parameter candidate.
- the learning depth may be information including variation in history information in addition to the number of history information used for updating.
- the variation in history information is information relating to dispersion of values when values based on history information are plotted on a predetermined coordinate space. When history information is distributed on a predetermined coordinate space, learning tends to be deep. On the other hand, when history information is concentrated on a predetermined coordinate space, learning tends to be shallow.
- the fourth process includes a target supply amount W set in the pool hopper 5 (weighing hopper 6) of the combination weighing device 1, and a supply amount W1 of the article A actually put into the pool hopper 5 (weighing hopper 6).
- This process is based on the degree of deviation from That is, the parameter control unit 82 also acquires deviation degree information from the plurality of combination weighing devices 1 in addition to the above parameters.
- the parameter control unit 82 determines whether or not the parameter in the combination weighing device 1 that operates with the degree of divergence is a common parameter candidate using the degree of divergence as a criterion.
- the parameter control unit 82 sets a parameter acquired from the combination weighing device 1 that operates at a lower degree of deviation from among the plurality of combination weighing devices 1 as a common parameter candidate. Further, for example, the parameter control unit 82 sets a parameter acquired from the combination weighing device 1 having the lowest degree of deviation among the plurality of combination weighing devices 1 as a common parameter candidate.
- the parameter control unit 82 may be mounted so as to execute any one of the first to fourth processes described above. Further, the parameter control unit 82 may execute a process selected (input) by the operator (operator) via the receiving unit 83 capable of selecting the first process to the fourth process.
- the accepting unit 83 accepts various conditions for parameter control executed by the parameter control unit 82.
- the accepting unit 83 accepts a process (first process to fourth process) for selecting a common parameter candidate from parameters collected from the plurality of combination weighing devices 1 in a selectable manner.
- the management server 80 of the combination weighing system 100 of the above embodiment automatically collects the parameters and determines the common parameters when the parameters are set in at least one combination weighing apparatus 1,
- the common parameter is set for a plurality of combination weighing devices.
- the management server 80 has been described by taking an example in which parameters are collected from a plurality of combination weighing devices 1 that can be connected via the communication unit 81. It is not limited to.
- the parameter control unit 82 replaces or in addition to the function of collecting parameters from the plurality of combination weighing devices 1, or one of the combination weighing devices 1 that can communicate via the communication unit 81 via the reception unit 83. You may have the function to receive the parameter regarding the combination measurement with respect to the some combination measurement apparatus 1.
- the accepting unit 83 accepts parameters relating to combination weighing for one or a plurality of combination weighing devices 1.
- the accepting unit 83 accepts various parameters using an input device such as a keyboard and / or a mouse.
- the parameter control unit 82 is a common parameter that is commonly set in the plurality of combination weighing devices 1 with respect to another combination weighing device 1 different from the specific combination weighing device 1 based on the parameters received via the reception unit 83. Is transmitted, the common parameter set to the other combination weighing device 1 is transmitted, and the combination weighing device 1 of the transmission destination is set to the common parameter.
- a parameter for a specific combination weighing device 1 is received via the reception unit 83 in the management server 80 and the parameter is determined as a common parameter
- the specific combination The common parameter is set for another combination weighing device 1 different from the weighing device 1.
- the operator can save time and effort to set parameters for each combination weighing device 1.
- it is possible to improve the convenience of the operator when setting parameters related to combination weighing in the plurality of combination weighing devices 1.
- the parameter control unit 82 acquires the operation rate information indicating the operation rate from the specific combination weighing device 1, and shares the parameters based on the acquired operation rate. It may be determined whether or not to be a parameter candidate. This makes it possible to determine whether or not to select a common parameter candidate from the collected parameters based on the operating rate that is an indicator of the quality of the parameter.
- the parameter control unit 82 uses the parameter as a common parameter candidate when the operation rate acquired from the specific combination weighing device 1 is larger than a predetermined value. Also good. In this case, only the parameters of the combination weighing device 1 that can realize a certain operation rate or more are set as common parameters. As a result, the operation rate of the plurality of combination weighing devices 1 that can communicate with each other via the communication unit 81 can be increased to a certain value or more. That is, the processing capability of the plurality of combination weighing devices 1 that can communicate with each other via the communication unit 81 can be maintained above a certain level.
- the management server 80 different from the plurality of combination weighing devices 1 has been described with an example of collecting and distributing common parameters used in common in the plurality of combination weighing devices 1. It is not limited to this.
- at least one combination weighing device 1 ⁇ / b> A among the plurality of combination weighing devices 1 has a control device 280 that exhibits the same function as the management server 80 described in the above embodiment.
- the combination weighing system 200 may be used.
- the parameter is set in at least one combination weighing apparatus 1, the parameter is automatically collected and the common parameter is collected. And the common parameter is set for the plurality of combination weighing devices 1. As a result, it is possible to improve the convenience of the operator when setting parameters relating to combination weighing in the plurality of combination weighing devices 1 (1A).
- the optical distance measuring sensor 45 has been described as an example of the detection unit. However, for example, a camera or the like may be used.
- the distance measuring sensor 45 extends along the conveyance direction of the radiation feeder 4. A plurality of them may be provided. Thereby, the layer thickness S of the articles
- distribution feeder 3 mentioned above and the some radiation feeder 4 were mentioned and demonstrated as an example of a conveyance part, it is not limited to this, What is necessary is just to have a structure which can convey articles
- a coil unit screw
- the measurement control unit 20 controls the rotational speed (rpm) of the coil unit as the feed force P.
- the weighing control unit 20 controls the number of rotations of a roller that drives the belt.
- communication with a plurality of combination weighing devices 1 is possible as an example of an acquisition unit that can acquire parameters related to combination weighing set in each of the combination weighing devices from a plurality of combination weighing devices.
- the communication unit 81 (for example, a LAN interface) is described as an example, but is not limited thereto.
- a device capable of reading a portable recording medium storing the above parameters may be included.
- the parameter set by the parameter control unit 82 has been described as being commonly set in all the combination weighing devices 1 that can communicate via the communication unit 81.
- the present invention is not limited to this.
- the parameter control unit 82 may transmit the parameter set by the parameter control unit 82 to a part of the combination weighing device 1 that can communicate via the communication unit 81, and cause the combination weighing device 1 as a transmission destination to set the parameter. Good.
- the parameter set by the parameter control unit 82 has been described with an example in which the parameter is set in common to all the combination weighing devices 1 that can communicate via the communication unit 81 with the same contents. It is not limited to this.
- the parameter control unit 82 may make a partial change to the generated parameter, and then transmit it to the combination weighing device 1 that can communicate via the communication unit 81.
- a plurality of weighing hoppers 6 and a plurality of booster hoppers 7 arranged in an annular manner have been described as examples.
- the present invention is not limited to this, and may be arranged in a matrix. Good. Moreover, it is good also as a structure which is not provided with several booster hoppers 7 as several hoppers.
- a control device for a combination weighing device includes a communication unit that communicates with a plurality of combination weighing devices, and a parameter related to combination weighing set in the combination weighing device from the combination weighing device that can communicate through the communication unit. Based on the collected parameters, common parameters to be set in common for the combination weighing devices that can communicate through the communication unit are determined, the common parameters are transmitted to the combination weighing devices that can communicate through the communication unit, and the destination A control unit that sets the common parameter to the combination weighing device.
- a control device for a combination weighing device includes a communication unit that communicates with a plurality of combination weighing devices, and parameters related to combination weighing for a specific combination weighing device among the combination weighing devices that can communicate through the communication unit.
- a control unit that determines and transmits the common parameter set to the other combination weighing device, and causes the combination weighing device of the transmission destination to set the common parameter.
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- General Physics & Mathematics (AREA)
- Weight Measurement For Supplying Or Discharging Of Specified Amounts Of Material (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
Description
P=B×W/S+C …(1)
Claims (13)
- 複数の組合せ計量装置から当該組合せ計量装置のそれぞれに設定される組合せ計量に関するパラメータを取得可能な取得部と、
前記取得部を通じて前記パラメータを取得可能な前記組合せ計量装置から前記パラメータを収集し、収集した前記パラメータに基づき、前記取得部を通じて取得可能な前記組合せ計量装置のうち一部の組合せ計量装置に設定する設定パラメータを生成し、前記取得部を通じて取得可能な前記組合せ計量装置のうち一部に前記設定パラメータを送信する制御部と、を備える、組合せ計量装置用の制御装置。 - 前記取得部は、複数の組合せ計量装置と通信可能な通信部であり、
前記制御部は、前記通信部を通じて通信可能な前記組合せ計量装置から、前記組合せ計量装置に設定される組合せ計量に関するパラメータを収集し、収集した前記パラメータに基づき、前記通信部を通じて通信可能な前記組合せ計量装置のうち一部の組合せ計量装置に設定する設定パラメータを生成し、前記通信部を通じて通信可能な前記組合せ計量装置のうち一部に前記設定パラメータを送信する、請求項1記載の組合せ計量装置用の制御装置。 - 複数の組合せ計量装置から当該組合せ計量装置のそれぞれに設定される組合せ計量に関するパラメータを取得可能な取得部と、
前記取得部を通じて前記パラメータを取得可能な前記組合せ計量装置のうち特定の組合せ計量装置に対する組合せ計量に関するパラメータを受け付ける受付部と、
前記受付部を介して受け付けた前記パラメータに基づき、前記特定の組合せ計量装置とは異なる他の組合せ計量装置に対し、前記取得部を通じて取得可能な前記組合せ計量装置に設定する設定パラメータを生成し、前記他の組合せ計量装置に前記設定パラメータを送信する制御部と、を備える、組合せ計量装置用の制御装置。 - 前記取得部は、複数の組合せ計量装置と通信する通信部であり、
前記受付部は、前記通信部を通じて通信可能な前記組合せ計量装置のうち特定の組合せ計量装置に対する組合せ計量に関するパラメータを受け付け、
前記制御部は、前記受付部を介して受け付けた前記パラメータに基づき、前記特定の組合せ計量装置とは異なる他の組合せ計量装置に対し、前記通信部を通じて通信可能な前記組合せ計量装置に設定する設定パラメータを決定し、前記他の組合せ計量装置に前記設定パラメータを送信する、請求項3記載の組合せ計量装置用の制御装置。 - 前記制御部は、前記取得部を通じて前記パラメータを取得可能な前記組合せ計量装置から、前記組合せ計量が実行された回数に占める前記組合せ計量が成立した回数の割合である稼働率を示す稼働率情報を取得し、前記稼働率を判断基準として、所定の稼働率で動作する組合せ計量装置における前記パラメータを前記設定パラメータの候補とするか否かを判断する、請求項1~4の何れか一項記載の組合せ計量装置用の制御装置。
- 前記制御部は、前記稼働率が第1の値である組合せ計量装置から取得したパラメータよりも、前記稼働率が前記第1の値よりも高い第2の値である組合せ計量装置から取得したパラメータを前記設定パラメータの候補とする、請求項5記載の組合せ計量装置用の制御装置。
- 前記制御部は、前記稼働率が所定閾値である第3の値よりも大きい組合せ計量装置から取得したパラメータを前記設定パラメータの候補とする、請求項6記載の組合せ計量装置用の制御装置。
- 前記制御部は、前記特定の組合せ計量装置から、前記組合せ計量が実行された回数に占める前記組合せ計量が成立した割合である稼働率を示す稼働率情報を取得し、取得した前記稼働率に基づいて、前記パラメータを前記設定パラメータの候補とするか否かを判断する、請求項3又は4記載の組合せ計量装置用の制御装置。
- 前記制御部は、前記特定の組合せ計量装置から取得した前記稼働率が所定の値よりも大きい場合、前記パラメータを前記設定パラメータの候補とする、請求項8記載の組合せ計量装置用の制御装置。
- 前記組合せ計量装置は、自装置において過去に設定された複数の前記パラメータに基づき生成される前記パラメータの変化傾向を利用して、自装置に設定する前記パラメータを決定し、
前記制御部は、前記取得部を通じて前記パラメータを取得可能な前記組合せ計量装置から、前記パラメータの変化傾向を生成する際に利用した前記パラメータの数に関する数情報を取得し、取得した前記数情報を基準として、当該数情報に対応する組合せ計量装置における前記パラメータを前記設定パラメータの候補とするか否かを判断する、請求項1~4の何れか一項記載の組合せ計量装置用の制御装置。 - 前記制御部は、前記取得部を通じて前記パラメータを取得可能な前記組合せ計量装置から、前記組合せ計量装置が有するホッパに設定される目標供給量Wと、前記ホッパに実際に投入された物品の供給量W1とに基づく供給情報を取得し、取得した前記供給情報に基づいて、前記目標供給量Wと前記供給量W1との乖離が所定閾値以内と判断した場合、前記判断の対象とした供給情報の取得元である組合せ計量装置のパラメータを前記設定パラメータの候補とする、請求項1~4の何れか一項記載の組合せ計量装置用の制御装置。
- 物品を搬送する搬送部と、
前記搬送部によって搬送された前記物品を一時的に貯留する複数のホッパと、
前記ホッパに貯留された前記物品の質量に応じた計量値を計量する計量部と、
前記計量部によって計量され且つ複数の前記ホッパに対応付けられた複数の前記計量値から、合計値が目標計量値となるように前記計量値の組合せを選択し、当該組合せに対応する前記ホッパに前記物品を排出させる計量制御部と、
請求項1~11の何れか一項記載の組合せ計量装置用の制御装置と、を備える、組合せ計量装置。 - 複数の組合せ計量装置と、
請求項1~11の何れか一項記載の組合せ計量装置用の制御装置と、を備え、
前記組合せ計量装置は、
物品を搬送する搬送部と、
前記搬送部によって搬送された前記物品を一時的に貯留する複数のホッパと、
前記ホッパに貯留された前記物品の質量に応じた計量値を計量する計量部と、
前記計量部によって計量され且つ複数の前記ホッパに対応付けられた複数の前記計量値から、合計値が目標計量値となるように前記計量値の組合せを選択し、当該組合せに対応する前記ホッパに前記物品を排出させる計量制御部と、を有する、組合せ計量装置システム。
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US16/069,190 US10948337B2 (en) | 2016-01-14 | 2017-01-10 | Control device for setting parameters of combination weighing apparatuses, combination weighing apparatus, and combination weighing apparatus system utilizing such control device |
CN201780006406.2A CN108463698B (zh) | 2016-01-14 | 2017-01-10 | 组合计量装置用的控制装置、组合计量装置及其系统 |
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