A system for training welders that includes a data generating component, a data capturing component and a data processing and visualization component. The data generating component operates in real time and derives data from an actual manually-executed weld and further includes a weld process-specif
A system for training welders that includes a data generating component, a data capturing component and a data processing and visualization component. The data generating component operates in real time and derives data from an actual manually-executed weld and further includes a weld process-specific jig, a calibration block positioned on the jig, wherein the geometric configuration of the calibration block is specific to a particular type of weld joint, a weld coupon positioned on the welding process-specific jig adjacent to the calibration block, a welding gun for use by a trainee, wherein the welding gun is operative to form the weld; and at least one target mounted on the welding gun that is recognized by the data processing and visualization component for providing multidimensional position and orientation feedback to the trainee.
대표청구항▼
1. A system for training welders, comprising: (a) a data generating component, wherein the data generating component includes: (i) a substrate;(ii) at least one support adjustably mounted on the substrate, wherein the support may be horizontally oriented or vertically oriented;(iii) a jig positioned
1. A system for training welders, comprising: (a) a data generating component, wherein the data generating component includes: (i) a substrate;(ii) at least one support adjustably mounted on the substrate, wherein the support may be horizontally oriented or vertically oriented;(iii) a jig positioned on the at least one support, wherein the jig is operative to consistently retain a weld coupon in a predetermined position;(iv) at least one calibration block positioned on the jig, wherein the at least one calibration block includes a geometric configuration, and wherein the geometric configuration is specific to a particular type of weld joint;(v) a weld coupon positioned on the jig adjacent to the calibration block, wherein the weld coupon further includes at least one piece of weldable material, and wherein a weld is actually produced by a trainee during a training exercise;(vi) a welding gun for use by the trainee, wherein the welding gun is operative to form the weld; and(vii) at least one target mounted on the welding gun;(b) a data capturing component, wherein the data capturing component includes: (i) at least one imaging device for capturing images of the target, wherein the at least one imaging device is mounted on or near the substrate such that the imaging device has a clear view of the at least one target mounted on the welding gun; and(c) a data processing and visualization component, wherein the data processing and visualization component includes: (i) at least one computer for receiving and analyzing information captured by the data capturing component, wherein the at least one computer is running software that includes: (a) a training regimen module, wherein the training regimen module includes a variety of weld types and a series of acceptable welding process parameters associated with creating each weld type;(b) an object recognition module for recognizing the target; and(c) a data processing module for comparing the information in the training regimen module to the information processed by the object recognition module; and(ii) at least one display device in electrical communication with the at least one computer for allowing the trainee to visualize the processed data in real time or immediately following the weld, wherein the visualized data is operative to provide the trainee with information regarding a training exercise. 2. The system of claim 1, wherein the system further includes at least one electronic storage device for storing information from each training exercise for later review. 3. The system of claim 1, wherein the imaging device further includes a filter, wherein the target further includes a light emitting component that emits light over a predetermined range of wavelengths, and wherein the filter only accepts light corresponding to the predetermined range of wavelengths emitted by the light emitting component. 4. The system of claim 1, wherein the at least one imaging device is a digital high-speed vision camera. 5. The system of claim 1, wherein the output of the imaging device is an image file at over 10 frames per second. 6. The system of claim 1, wherein the welding gun has a position and orientation, and wherein the data processing and visualization component receives and analyzes individual images captured by the imaging device and recognizes the presence of the target in those images, wherein upon recognition of the target, the position and orientation of the welding gun are calculated relative to the position and orientation of the target, and wherein the individual images captured by the imaging device are processed at a rate of at least 10 times per second. 7. The system of claim 1, wherein the data processing and visualization component outputs data consisting of x-axis, y-axis, and z-axis position data and roll, pitch, and yaw orientation data, and wherein the data may be streamed to the display device or sent to the display device at a predetermined frequency. 8. The system of claim 7, wherein the data processing and visualization component transforms the position and orientation data into welding process parameters, wherein the welding process parameters include at least one of a work angle, a travel angle, a torch offset, a travel speed, a torch proximity to axis, a voltage, a current, and a wire-feed speed, and wherein the welding process parameters established from the position and orientation data are compared to the series of acceptable welding process parameters associated with creating each weld type in the training regimen module, at least one of which is visualized on the display device by a trainee during a training exercise. 9. The system of claim 8, wherein the current and voltage are measured in conjunction with travel speed to determine heat input. 10. The system of claim 8, wherein the welding process parameters are used to estimate arc length. 11. The system of claim 7, wherein the data processing and visualization component transforms the position data into weld start position, weld stop position, weld length, weld sequence, welding progression, or combinations thereof. 12. The system of claim 8, wherein the welding parameters established from the position and orientation data are plotted on a time-based axis and compared to a preferred variation for each parameter. 13. The system of claim 12, wherein the preferred variation is trained by recording a sequence of motions performed by an expert welder. 14. The system of claim 1, wherein the display device is a computer monitor, a helmet display, a heads-up display, or combinations thereof. 15. A system for training welders, comprising: (a) a data generating component, wherein the data generating component further includes: (i) an adjustable training stand;(ii) at least one support adjustably mounted on the training stand, wherein the support may be positioned in a variety of spatial orientations;(iii) a jig positioned on the at least one support, wherein the jig is operative to consistently hold a weld coupon in a predetermined position;(iv) at least one calibration block positioned on the jig, wherein the at least one calibration block includes a geometric configuration, and wherein the geometric configuration is specific to a particular type of weld joint;(v) a weld coupon positioned on the jig adjacent to the calibration block, wherein the weld coupon further includes at least one piece of weldable material, and wherein a weld is actually produced by a trainee during a training exercise;(vi) a welding gun for use by the trainee, wherein the welding gun is operative to form the weld; and(vii) at least one target mounted on the welding gun;(b) a data capturing component, wherein the data capturing component includes: (i) at least one imaging device for capturing images of the target, wherein the at least one imaging device is mounted on or near the training stand such that the imaging device has a clear view of the at least one target mounted on the welding gun; and(c) a data processing and visualization component, wherein the data processing and visualization component includes: (i) at least one computer for receiving and analyzing information captured by the data capturing component, wherein the at least one computer is running software that includes: (a) a training regimen module, wherein the training regimen module includes a variety of weld types and a series of acceptable welding process parameters associated with creating each weld type;(b) an object recognition module for recognizing the target; and(c) a data processing module for comparing the information in the training regimen module to the information processed by the object recognition module; and(ii) at least one display device in electrical communication with the at least one computer for allowing the trainee to visualize the processed data in real time or immediately following the weld, wherein the visualized data is operative to provide the trainee with information regarding a training exercise. 16. The system of claim 15, wherein the system further includes at least one electronic storage device for storing information from each training exercise for later review. 17. The system of claim 15, wherein the entire system is portable and may be moved and operated in a variety of different locations. 18. The system of claim 15, wherein the imaging device further includes a filter, wherein the target further includes a light emitting component that emits light over a predetermined range of wavelengths, and wherein the filter only accepts light corresponding to the predetermined range of wavelengths emitted by the light emitting component. 19. The system of claim 15, wherein the at least one imaging device is a digital high-speed vision camera. 20. The system of claim 15, wherein the welding gun has a position and orientation, and wherein the data processing and visualization component receives and analyzes individual images captured by the imaging device and recognizes the presence of the target in those images, wherein upon recognition of the target, the position and orientation of the welding gun are calculated relative to the position and orientation of the target, and wherein the individual images captured by the imaging device are processed at a rate of at least 10 times per second. 21. The system of claim 15, wherein the data processing and visualization component outputs data consisting of x-axis, y-axis, and z-axis position data and roll, pitch, and yaw orientation data, and wherein the data may be streamed to the display device or sent to the display device at a predetermined frequency. 22. The system of claim 21, wherein the data processing and visualization component transforms the position and orientation data into welding process parameters, wherein the welding process parameters include at least one of a work angle, a travel angle, a torch offset, a travel speed, a torch proximity to axis, a voltage, a current, and a wire-feed speed, and wherein the welding process parameters established from the position and orientation data that are compared to the series of acceptable welding process parameters associated with creating each weld type in the training regimen module, at least one of which is visualized on the display device by a trainee during a training exercise. 23. The system of claim 22, wherein the current and voltage are measured in conjunction with travel speed to determine heat input. 24. The system of claim 22, wherein the welding process parameters are used to estimate arc length. 25. The system of claim 21, wherein the data processing and visualization component transforms the position data into weld start position, weld stop position, weld length, weld sequence, welding progression, or combinations thereof. 26. The system of claim 22, wherein the welding parameters established from the position and orientation data are plotted on a time-based axis and compared to a preferred variation for each parameter. 27. The system of claim 26, wherein the preferred variation is trained by recording a sequence of motions performed by an expert welder. 28. The system of claim 15, wherein the display device is a computer monitor, a helmet display, a heads-up display, or combinations thereof.
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