IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0454352
(2003-06-04)
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발명자
/ 주소 |
- Dollevoet,Tim G.
- Popp,Robert L.
- Allen,Kyle S.
- Carbone,Henry L.
- Chapple,Scott G.
- Hein,John G.
- Morgan,Archie Dodds
- Quereshi,Shawn A.
- Tremble,Erica C.
- Colford,Colleen S.
- Gimenez,Joseph J.
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출원인 / 주소 |
- Kimberly Clark Worldwide, Inc
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
53 인용 특허 :
52 |
초록
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Systems and methods for providing registration control in connection with a web converting manufacturing process such as that used for manufacturing disposable absorbent garments. Some of the disclosed embodiments include relating inspection data, such as product (or process) attribute data, to data
Systems and methods for providing registration control in connection with a web converting manufacturing process such as that used for manufacturing disposable absorbent garments. Some of the disclosed embodiments include relating inspection data, such as product (or process) attribute data, to data from other manufacturing-related systems. Also disclosed are systems and methods for linking product (or process) attribute data obtained during the manufacturing process with one or more data sources including raw material data, process setting data, product quality data, and/or productivity data. Also disclosed are systems and methods for identifying manufacturing set point changes and automatically implementing such changes and automated web steering changes based on data from one or more inspection systems.
대표청구항
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What is claimed is: 1. An automatic registration set point control system, suitable for use in connection with a high speed web converting manufacturing process for producing a composite product from a sequential addition of component parts during a production run of composite products, said system
What is claimed is: 1. An automatic registration set point control system, suitable for use in connection with a high speed web converting manufacturing process for producing a composite product from a sequential addition of component parts during a production run of composite products, said system comprising; a communication network; an inspection system for automatically inspecting component parts of the composite product produced during the production run, said inspection system generating images of the component parts and providing from the generated images inspection parameters indicative of characteristics of the inspected component parts; an information exchange obtaining via the communication network the provided indication of the inspection parameters, said information exchange determining set point parameters as a function of said inspection parameters; and a registration control system responsive to the set point parameters for controlling a registration of one of the component parts relative to another of the component parts. 2. A system as set forth in claim 1 wherein the information exchange system obtains a plurality of said inspection parameters provided by the inspection system, said information exchange system determining a mathematical characteristic of said plurality of inspection parameters and wherein said information exchange system compares said mathematical characteristic to a target whereby the set point parameter determined by the information exchange is a function of a difference between the mathematical characteristic and the target. 3. A system as set forth in claim 2 wherein the information exchange system is configured such that the mathematical characteristic comprises an average of the obtained plurality of inspection parameters. 4. A system as set forth in claim 2 wherein the information exchange system is configured such that the mathematical characteristic comprises a standard deviation of the obtained plurality of inspection parameters. 5. A system as set forth in claim 1 further comprising an operator display responsive to the set point parameter for displaying an indication of the set point parameter to an operator associated with the production line. 6. A system as set forth in claim 1 wherein the communication network comprises a distributed node, shared memory system and wherein at least the inspection system and information exchange system comprise nodes of said communication network. 7. An automatic registration set point control system, suitable for use in connection with a high speed web converting manufacturing process for producing a composite product from a sequential addition of component parts during a production run of composite products, said system comprising: a communication network; an inspection system for automatically inspecting a component part of the composite product produced during the production run, said inspection system generating an image of the component part and determining from the generated image an inspection parameter indicative of a characteristic of the inspected component part, said inspection system determining a set point parameter as a function of the inspection parameter; and a registration control system obtaining the set point parameter via the communication network and controlling a registration of the component part relative to another component part as a function of the obtained set point parameter. 8. An automatic registration set point control system, suitable for use in connection with a high speed web converting manufacturing process for producing a composite product from a sequential addition of component parts during a production run of composite products, said system comprising: a communication network; an inspection system for automatically inspecting a component part of the composite product produced during the production run, said inspection system generating an image of the component part and providing from the generated image an inspection parameter indicative of a characteristic of the inspected component part; and a registration control system obtaining the inspection parameter via the communication network and determining a registration set point adjustment of the component part relative to another component part as a function of the inspection parameter. 9. An automatic registration set point control method, said method being suitable for use in connection with a high speed web converting process for manufacturing a composite article from a sequential addition of component parts during a production run of composite articles, said method comprising: detecting a placement of a first component part using a first sensor, said first sensor operating at a first set point to trigger a registration control action associated with the placement of the first component part; generating an image indicating a position of a component subsequent to the registration control action using a second sensor positioned apart from the first sensor; comparing to a target the position of the component indicated by the generated image; and selectively adjusting the first set point subsequent to the registration control action as a function of a difference between the position of the component indicated by the generated image and the target. 10. A method as set forth in claim 9 further comprising positioning the second sensor downstream from the first sensor in the high speed web converting process and wherein the first component part is not fully detectable by the second sensor or wherein the component is not fully detectable by the first sensor. 11. A method as set forth in claim 9 wherein the second sensor comprises a machine vision inspection system for inspecting substantially all composite articles produced during the production run. 12. A method as set forth in claim 9 wherein comparing the position of the component to the target comprises assigning a numerical value to the position detected by the second sensor, and further comprising: obtaining a plurality of numerical values associated with a plurality of composite articles produced during the production run; determining a mathematical characteristic of said obtained plurality of numerical values; and wherein comparing to the target comprises comparing said determined mathematical characteristic to the target. 13. A method as set forth in claim 12 wherein determining the mathematical characteristic comprises determining an average of said obtained plurality of numerical values. 14. A method as set forth in claim 12 wherein in determining the mathematical characteristic comprises determining a standard deviation of said obtained plurality of numerical values. 15. A method as set forth in claim 9 wherein detecting a placement of a first component comprises providing a first signal indicative of the position of the first component part; further comprising providing a second signal indicative of the position of the component; and wherein the registration control action comprises controlling the position of the first component part relative to the component as a function of a difference between the first and second signal. 16. A method as set forth in claim 15 wherein the second signal is provided by a machine vision system and wherein: detecting the placement of the first component part comprises detecting an absolute placement of the first component part; comparing the position of the component comprises comparing the detected absolute placement of the component to a target corresponding to a desired difference between the first and second signals; and selectively adjusting the first set point comprises adjusting the first sensor such that the desired difference between the first and second signals is substantially achieved. 17. A method as set forth in claim 9 wherein detecting a placement of a first component comprises providing a first signal indicative of the position of the first component part; further comprising providing a second signal indicative of the position of the component; and wherein the registration control action comprises controlling the position of the component relative to the first component part as a function of a difference between the first and second signal. 18. The method of claim 9 wherein the first sensor comprises a photosensor, wherein detecting using a first sensor comprises detecting a position corresponding to the first component part using the photosensor, further comprising detecting a placement corresponding to the component using a proximity switch; and wherein the registration control action comprises controlling the position of the component relative to the first component part as a function of the detected position corresponding to the first component part and as a function of the detected placement corresponding to the component. 19. A method as set forth in claim 9 wherein the component comprises the first component part and detecting a position of the component comprises detecting a position of the first component part subsequent to the registration control action using the second sensor positioned apart from the first sensor. 20. A method as set forth in claim 9 wherein the component comprises a second component part and detecting a position of the component comprises detecting a position of the second component part subsequent to the registration control action using the second sensor positioned apart from the first sensor. 21. An automatic control method suitable for use in connection with a high speed web converting process for manufacturing a composite article from a sequential addition of component parts during a production run of composite articles, said method comprising: detecting a placement of a first component part using a first sensor, said first sensor operating at a first set point to trigger a length control action as a function of the detected placement of the first component; generating an image indicating a position of a component using a second sensor positioned to detect said position of the component subsequent to the length control action; comparing to a target the position of the component indicated by the generated image; and selectively adjusting the first set point subsequent to the length control action as function of a difference between the position of the component indicated by the generated image and the target. 22. A method as set forth in claim 21 wherein the second sensor comprises a machine vision system and wherein detecting the position of the component comprises detecting a cut length. 23. A method as set forth in claim 22 wherein the first sensor comprises a machine vision system. 24. A method as set forth in claim 21 wherein the first sensor comprises a machine vision system and wherein detecting the position of the component part comprises detecting a cut length. 25. A method as set forth in claim 21 wherein the first sensor comprises a photo sensor positioned to trigger the length control action, and wherein said length control action comprises cutting the first component part resulting in a cut length. 26. A method as set forth in claim 25 wherein the second sensor comprises a machine vision system and wherein detecting the position of the component comprises detecting the cut length. 27. A method as set forth in claim 21 wherein the component comprises the first component part and detecting a position of the component comprises detecting a position of the first component part subsequent to the length control action. 28. A method as set forth in claim 21 wherein the component comprises a second component part and detecting a position of the component comprises detecting a position of the second component part subsequent to the length control action. 29. An automatic registration set point control method, said method being suitable for use in connection with a high speed web converting manufacturing process for producing a composite article from a sequential addition of component parts during a production run of composite articles, said method comprising: detecting a placement of a first component part of a first composite article being produced; providing a first signal indicative of the placement of the first component part of the first composite article; generating an image indicating a placement of a second component of the first composite article being produced; providing from the generated image a second signal indicative of the placement of the second component of the first composite article; determining from the first and second signals an absolute measurement of the placement of said second component relative to said first component parts; comparing said absolute measurement to a target indicative of a desired relative offset between said first and second signals; and adjusting a set point controlling placement of a component of a second composite article produced subsequent to the first composite article during the production run as a function of a difference between the absolute measurement and the target such that the desired relative offset between the first and second signals is substantially achieved with respect to the second composite article. 30. A method as set forth in claim 29 wherein the component comprises the first component part and detecting a placement of the component comprises detecting a placement of the first component part. 31. A method as set forth in claim 29 wherein the component comprises a second component part and detecting a placement of the component comprises detecting a placement of the second component part. 32. An automatic registration method, said method being suitable for use in connection with a high speed web converting manufacturing process for producing a composite article from a sequential addition of component parts during a production run of composite articles, said method comprising: detecting a placement of a first component part of a first composite article being produced; providing a first signal indicative of the placement of the first component part of the first composite article; generating an image indicating a placement of a second component of the first composite article being produced; providing from the generated image a second signal indicative of the placement of the second component of the first composite article; determining from the first and second signals an absolute measurement of the placement of said second component relative to said first component part; comparing said absolute measurement to a target indicative of a desired relative offset between the first and second signals; and controlling placement of a component of a second composite article produced subsequent to the first composite article during the production run as a function of a difference between the absolute measurement and the target such that the desired relative offset between the first and second signals is substantially achieved with respect to the second composite article. 33. A method as set forth in claim 32 wherein the component comprises the first component part and detecting a placement of the component comprises detecting a placement of the first component part. 34. A method as set forth in claim 32 wherein the component comprises a second component part and detecting a placement of the component comprises detecting a placement of the second component part. 35. An automatic registration set point control system being suitable for use in connection with high speed web converting process for producing a composite absorbent article from a sequential addition of component parts during a production run of composite articles, said system comprising: a first sensor positioned to detect a placement of a first component part, said first sensor operating at a first set point to trigger a registration control action associated with the placement of said first component part; a second sensor positioned apart from the first sensor, said second sensor generating an image indicating a position of a component subsequent to the registration control action associated with the placement of the first component part, said second sensor providing an inspection parameter indicative of the position of the component; and a processor obtaining the inspection parameter and comparing said inspection parameter to a target, said processor determining an amount of adjustment to the first set point subsequent to the registration control action as a function of a difference between the inspection parameter and the target. 36. A system as set forth in claim 35 wherein the second sensor is positioned downstream from the first sensor in the high speed web converting process and wherein the first component part is not fully detectable by the second sensor or wherein the component is not fully detectable by the first sensor. 37. A system as set forth in claim 35 wherein the second sensor comprises a machine vision inspection system for inspecting substantially all composite articles produced during the production run. 38. A system as set forth in claim 35 further comprising: a communication network; and an information exchange system including said processor, said processor obtaining the inspection parameter via the communication network. 39. A system as set forth in claim 35 wherein: the second sensor is configured such that the inspection parameter comprises a numerical value indicative of the position of the component; and the processor obtaining a plurality of inspection parameters, each associated with one of a plurality of composite articles produced during the production run, said processor determining a mathematical characteristic of said plurality of inspection parameters such that comparing the inspection parameter to the target comprises comparing the mathematical characteristic to the target. 40. A system as set forth in claim 39 wherein the processor is configured such that the mathematical characteristic comprises an average. 41. A system as set forth in claim 39 wherein the processor is configured such that the mathematical characteristic comprises a standard deviation. 42. A system as set forth in claim 35 wherein the first sensor provides a first signal indicative of the position of the first component position further comprising a third sensor providing a second signal indicative of the position of an additional component; and wherein the registration control action comprises controlling the position of the first component part relative to the additional component part as a function of a difference between the first and second signals. 43. A system as set forth in claim 42 wherein the second signal is provided by a machine vision system and wherein: the first sensor detects an absolute placement of the first component part; the processor compares the detected absolute placement of the first component part to a target corresponding to a desired difference between the first and second signals; and the processor adjusts the first set point such that the desired difference between the first and second signals is substantially achieved. 44. A system as set forth in claim 35 wherein the first sensor provides a first signal indicative of the position of the first component position further comprising a third sensor providing a second signal indicative of the position of an additional component part; and wherein the registration control action comprises controlling the position of the additional component part relative to the first component part as a function of a difference between the first and second signals. 45. A system as set forth in claim 35 wherein the component comprises the first component part and said second sensor detecting a position of the component comprises a second sensor detecting a position of the first component part subsequent to the registration control action associated with the placement of the first component part. 46. A system as set forth in claim 35 wherein the component comprises a second component part and said second sensor detecting a position of the component comprises a second sensor detecting a position of the second component part subsequent to the registration control action associated with the placement of the first component part. 47. A control system suitable for use in connection with high speed web converting process for producing a composite absorbent article from a sequential addition of component parts during a production run of composite articles, said system comprising: a first sensor positioned to detect a placement of a first component part, said first sensor operating at a first set point to trigger a length control action associated with said first component part; a second sensor positioned apart from the first sensor, said second sensor generating an image indicating a position of a component subsequent to the length control action associated with the first component part, said second sensor providing an inspection parameter indicative of the position of the first component part; and a processor obtaining the inspection parameter and comparing said inspection parameter to a target, said processor determining an amount of adjustment to the first set point as a function of a difference between the inspection parameter and the target wherein adjusting said first set point affects the subsequent manufacture of said first component part for use in the production run. 48. A system as set forth in claim 47 wherein the second sensor comprises a machine vision system and wherein the second sensor detects a cut length of the component. 49. A system as set forth in claim 48 wherein the first sensor comprises a machine vision system. 50. A system as set forth in claim 47 wherein the first sensor comprises a machine vision system and wherein the second sensor detects a cut length of the component. 51. A system as set forth in claim 47 wherein the first sensor comprises a photo sensor positioned to trigger the length control action, said length control action comprising cutting the first component part resulting in a cut length. 52. A system as set forth in claim 51 wherein the second sensor comprises a machine vision system and wherein the second sensor detects the cut length of the component. 53. A system as set forth in claim 47 wherein the component comprises the first component part and said second sensor detecting a position of the component comprises a second sensor detecting a position of the first component part subsequent to the length control action associated with the first component part. 54. A system as set forth in claim 47 wherein the component comprises a second component part and said second sensor detecting a position of the component comprises a second sensor detecting a position of the second component part subsequent to the length control action associated with the first component part.
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