System and method for visualization of process errors
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G06F-019/00
B25J-009/16
출원번호
US-0370811
(2009-02-13)
등록번호
US-9067321
(2015-06-30)
우선권정보
EP-08101548 (2008-02-13)
발명자
/ 주소
Landsnes, Øyvind
출원인 / 주소
ABB AS
대리인 / 주소
Whitmyer IP Group LLC
인용정보
피인용 횟수 :
0인용 특허 :
13
초록▼
A system for visualizing process errors that occur in connection with processing a workpiece by means of a process tool and an industrial robot moving the tool along a path in relation to the workpiece during the processing. The system is configured to store information on process errors and informa
A system for visualizing process errors that occur in connection with processing a workpiece by means of a process tool and an industrial robot moving the tool along a path in relation to the workpiece during the processing. The system is configured to store information on process errors and information on where on the robot path the error occurred upon detecting the process errors and to present a visualization of the robot path and the position of the stored errors in relation to the robot path.
대표청구항▼
1. A method for facilitating for a user to establish the cause of a process error that repeatedly occurs along a preprogrammed robot path in connection with processing on a workpiece by means of a process tool and an industrial robot moving along the preprogrammed path during the processing, wherein
1. A method for facilitating for a user to establish the cause of a process error that repeatedly occurs along a preprogrammed robot path in connection with processing on a workpiece by means of a process tool and an industrial robot moving along the preprogrammed path during the processing, wherein the method comprises storing information on process errors and presenting said information on the process errors, characterized in that the method further comprises upon detecting a process error, storing information on where on the robot path the error occurred, andpresenting a graphical visualization of the preprogrammed robot path and the positions of the stored errors in relation to the preprogrammed robot path in order to enable the user to observe where on the preprogrammed path the repeatedly process errors occur and thereby facilitate for the user to establish the cause of the process errors. 2. The method according to claim 1, wherein the position of the tool or the workpiece, in dependence on which one is carried by the robot during the processing, at the point in time when the process error occurred is stored together with information on the process error. 3. The method according to claim 1, wherein the tool center point (TCP) of the robot at the point in time when the process error occurred is stored together with information on the process error. 4. The method according to claim 1, wherein information identifying the robot path is stored together with the process errors. 5. The method according to claim 1, wherein the method further comprises presenting a visualization of the workpiece, and the visualization of the robot path is presented in relation to the visualization of the work-piece. 6. The method according to claim 1, wherein said visualization is a three dimensional visualization. 7. The method according to claim 1, wherein movements of the robot is controlled by a robot controller, and said information on the process errors and where on the robot path the error occurred, or at least a reference to where this information can be retrieved, are stored on the robot controller. 8. The method according to claim 7, wherein the process tool is controlled by a process controller configured to detect the process errors, and the method comprises: upon detecting an error sending said information on the process error to the robot controller. 9. The method according to claim 1, wherein the method comprises: sending said information on the process errors and where on the robot path the errors occurred to an external computer, and upon request presenting said visualization on the external computer. 10. A system for facilitating for a user to establish the cause of a process error that repeatedly occurs along a preprogrammed robot path on a workpiece by means of a process tool and an industrial robot moving along the preprogrammed path during the processing, comprising: a robot controller that stores information on process errors upon detecting the process errors and stores information on where on the preprogrammed robot path the error occurred;a graphical generator that generates a graphical visualization of the robot path and the positions of the process errors in relation to the robot path based on the preprogrammed robot path and said information on where on the preprogrammed robot path the errors occurred; anda display device that displays said graphical visualization. 11. The system according to claim 10, wherein the robot controller stores the position of the tool or the workpiece, in dependence on which one is carried by the robot during the processing, at the point in time when the process error occurred together with the information on the process error. 12. The system according to claim 10, wherein the robot controller stores the tool center point (TCP) of the robot at the point in time when the process error occurred together with the information on the process error. 13. The system according to claim 10, wherein information identifying the robot path is stored together with the process errors. 14. The system according to claim 10, wherein the display device displays a visualization of the workpiece, and to displays the visualization of the robot path in relation to the workpiece. 15. The system according to claim 10, wherein the display device displays a three dimensional visualization of the path and the process errors. 16. The system according to claim 10, wherein the robot controller controls the movements of the robot, and the robot controller stores said information on where on the robot path the process error occurred together with the information on the process error, or at least a reference to where this information can be retrieved, on the robot controller. 17. The system according to claim 10, further comprising: a process controller that controls the process tool and detects the process errors, and upon detecting an error sends information on the detected process error to the robot controller; andwherein the robot controller receives the information on the detected process error and stores the information together with said information on where on the robot path the error occurred upon receiving the information on the detected process error. 18. The system according to claim 10, further comprising: an external computer that displays said visualization upon request;wherein the robot controller sends said information on the process errors and where on the robot path the errors occurred to the external computer. 19. The method according to claim 2, wherein the tool center point (TCP) of the robot at the point in time when the process error occurred is stored together with information on the process error. 20. The system according to claim 11, wherein the robot controller stores the tool center point (TCP) of the robot at the point in time when the process error occurred together with the information on the process error.
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이 특허에 인용된 특허 (13)
Cloos Erwin (Haiger DEX) Schmidt Manfred (Haiger-Allendorf DEX) Kring Helmut (Haiger-Steinbach DEX) Schnell Gerhard (Beilstein DEX) Thielmann Joachim (Haiger-Rodenbach DEX), Apparatus for automatically guiding a welding gun along a programmed welding seam.
Red Walter E. (Provo UT) Davies Brady R. (Orem UT) Wang Xuguang (Provo UT) Turner Edgar R. (Provo UT), Device and method for correction of robot inaccuracy.
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