Importing and analyzing external data using a virtual reality welding system
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G09B-019/24
G09B-005/02
A42B-003/04
A42B-003/30
G09B-005/00
B23K-009/00
G09B-005/06
B23K-009/09
H04L-029/06
B23K-009/095
B23K-009/10
출원번호
US-0017569
(2016-02-05)
등록번호
US-9779636
(2017-10-03)
발명자
/ 주소
Zboray, David Anthony
Bennett, Matthew Alan
Wallace, Matthew Wayne
Hennessey, Jeremiah
Dudac, Yvette Christine
Lenker, Zachary Steven
Lundell, Andrew Paul
Dana, Paul
Preisz, Eric A.
출원인 / 주소
Lincoln Global, Inc.
대리인 / 주소
Perkins Coie LLP
인용정보
피인용 횟수 :
0인용 특허 :
199
초록▼
A real-time virtual reality welding system including a programmable processor-based subsystem, a spatial tracker operatively connected to the programmable processor-based subsystem, at least one mock welding tool capable of being spatially tracked by the spatial tracker, and at least one display dev
A real-time virtual reality welding system including a programmable processor-based subsystem, a spatial tracker operatively connected to the programmable processor-based subsystem, at least one mock welding tool capable of being spatially tracked by the spatial tracker, and at least one display device operatively connected to the programmable processor-based subsystem. The system is capable of simulating, in virtual reality space, a weld puddle having real-time molten metal fluidity and heat dissipation characteristics. The system is further capable of importing data into the virtual reality welding system and analyzing the data to characterize a student welder's progress and to provide training.
대표청구항▼
1. A system for simulating welding activity, comprising: a welding tool for a simulated welding operation;a spatial tracking unit having at least one sensor, which detects movement and orientation of said welding tool during said simulated welding operation;a welding coupon;a processor based sub-sys
1. A system for simulating welding activity, comprising: a welding tool for a simulated welding operation;a spatial tracking unit having at least one sensor, which detects movement and orientation of said welding tool during said simulated welding operation;a welding coupon;a processor based sub-system having a central processing unit, where said processor based sub-system is operatively coupled to said spatial tracking unit and receives information from said spatial tracking unit related to said movement and orientation of said welding tool during said simulated welding operation;a user input device coupled to said processor based sub-system, where said user input device allows selection of a first training mode and a second training mode; anda helmet having a first display device operatively coupled to said processor based subsystem which displays said simulated welding operation;wherein during said selected simulated welding operation, said processor based subsystem models a simulated welding surface for said welding coupon and displays said simulated welding surface on said first display device;wherein during said selected simulated welding operation, said processor based subsystem models a simulated weld puddle having real-time molten metal fluidity and real-time heat dissipation characteristics based on said movement and orientation of said welding tool during said simulated welding operation;wherein said processor based subsystem models a simulated weld bead based on a simulation of a solidification of said simulated weld puddle from a molten state to a solid state;wherein said first display device displays each of said simulated welding surface, said simulated weld puddle, said simulated weld bead, and said welding tool during said simulated welding operation;wherein during said first training mode said first display device displays a visual signal for a welding parameter during said simulated welding operation, where said visual signal is based on a deviation between a determined value for said welding parameter and a desired value for said welding parameter, and during said second training mode said visual signal is not displayed during said simulated welding operation, andwherein said determined value for said welding parameter is determined by said processor based subsystem based on said movement and orientation of said welding tool. 2. The system of claim 1, wherein said tracking unit utilizes an optical sensor which is mounted on said helmet to optically track said welding tool. 3. The system of claim 1, further comprising an audio speaker which provides simulated welding sounds in real-time with the simulated welding operation, and where said audio speaker is disposed in said helmet. 4. The system of claim 1, further comprising a second display device coupled to said processor based subsystem, where said processor based subsystem generates a plurality of simulated welding parameters based on said movement and orientation of said welding tool and wherein said second display device displays said plurality of simulated welding parameters during said simulated welding operation, and wherein at least one of said plurality of simulated welding parameters is displayed in graphical form in real time during said simulated welding operation. 5. The system of claim 1, further comprising a second display device coupled to said processor based subsystem which displays a difference between said determined value for said welding parameter and said desired value for said welding parameter during said simulated welding operation. 6. The system of claim 1, wherein said processor based subsystem further compares said determined value for said welding parameter to a tolerance window defined by limits around a setpoint for said welding parameter, and wherein said processor based subsystem displays said comparison on a second display device. 7. The system of claim 1, wherein said processor based subsystem generates a score for said welding parameter based on said deviation. 8. The system of claim 1, wherein said processor based subsystem determines a presence of a discontinuity within said simulated weld bead, where said discontinuity is a presence of at least one of spatter and porosity, and wherein said first display device displays said discontinuity during said simulated welding operation, in real time. 9. The system of claim 1, wherein said processor based subsystem generates and displays on said first display device at least one welding effect, which can be any one of simulated welding sparks, simulated welding spatter, simulated arc glow and simulated porosity during said simulated welding operation, and where said at least one welding effect is displayed, in real time, based on said movement and orientation of said welding tool. 10. The system of claim 1, wherein said simulation of said solidification from said molten state to said solid state of said weld puddle is based on a cooling threshold value for said simulated weld puddle. 11. The system of claim 1, wherein said first display device displays a weld bead wake characteristic during creation of said simulated weld bead, where said wake characteristic is generated based on a real time fluidity-to-solidification transition of said simulated weld puddle as said simulated weld puddle is moved. 12. A system for simulating welding activity, comprising: a welding tool for a simulated welding operation;a spatial tracking unit having at least one optical sensor, which detects movement and orientation of said welding tool during said simulated welding operation;a welding coupon;a simulated welding console comprising a processor based sub-system with a central processing unit, where said processor based sub-system is operatively coupled to said spatial tracking unit and receives information from said spatial tracking unit related to said movement and orientation of said welding tool during said simulated welding operation;a user input device coupled to said processor based sub-system, where said user input device allows selection of a first training mode and a second training mode; anda helmet having a first display device operatively coupled to said processor based subsystem which displays said simulated welding operation, and where said helmet comprises said at least one optical sensor and an audio speaker which provides simulated welding sounds during said simulated welding operation;wherein during said selected simulated welding operation, said processor based subsystem models a simulated welding surface for said welding coupon and displays said simulated welding surface on said first display device;wherein during said selected simulated welding operation, said processor based subsystem models a simulated weld puddle having real-time molten metal fluidity and real-time heat dissipation characteristics based on said movement and orientation of said welding tool during said simulated welding operation;wherein said processor based subsystem models a simulated weld bead based on a simulation of a solidification of said simulated weld puddle from a molten state to a solid state;wherein said first display device displays each of said simulated welding surface, said simulated weld puddle, said simulated weld bead, and said welding tool during said simulated welding operation;wherein during said first training mode said first display device displays a plurality of visual cues during said simulated welding operation, each of which corresponding to a distinct welding parameter, where each of said visual cues is based on a determined deviation between a determined value for each said distinct welding parameter and a desired value for each said distinct welding parameter, respectively, and during said second training mode said plurality of visual cues are not displayed during said simulated welding operation, andwherein said determined value for each said distinct welding parameter is respectively determined by said processor based subsystem based on said movement and orientation of said welding tool. 13. The system of claim 12, further comprising a second display device coupled to said processor based subsystem, where said second display device displays said determined value for each said distinct welding parameter during said simulated welding operation. 14. The system of claim 12, further comprising a second display device coupled to said processor based subsystem which displays said determined deviation for each said distinct welding parameter, respectively. 15. The system of claim 12, wherein said processor based subsystem further compares said determined value for each said distinct welding parameter to a tolerance window defined by limits around a setpoint for said distinct welding parameter, respectively, and wherein said processor based subsystem displays each said comparison on a second display device. 16. The system of claim 12, wherein said processor based subsystem determines a presence of a discontinuity within said simulated weld bead, where said discontinuity is a presence of at least one of spatter and porosity, and wherein said first display device displays said discontinuity during said simulated welding operation, in real time. 17. The system of claim 12, wherein said processor based subsystem generates and displays on said first display device at least one welding effect, which can be any one of simulated welding sparks, simulated welding spatter, simulated arc glow and simulated porosity during said simulated welding operation, and where said at least one welding effect is displayed, in real time, based on said movement and orientation of said welding tool. 18. The system of claim 12, wherein said simulation of said solidification from said molten state to said solid state of said weld puddle is based on a cooling threshold value for said simulated weld puddle. 19. The system of claim 12, wherein said first display device displays a weld bead wake characteristic during creation of said simulated weld bead, where said wake characteristic is generated based on a real time fluidity-to-solidification transition of said simulated weld puddle as said simulated weld puddle is moved. 20. A system for simulating welding activity, comprising: a welding tool for a simulated welding operation;a spatial tracking unit having at least one sensor, which detects movement and orientation of said welding tool during said simulated welding operation;a welding coupon;a processor based sub-system having a central processing unit, where said processor based sub-system is operatively coupled to said spatial tracking unit and receives information from said spatial tracking unit related to said movement and orientation of said welding tool during said simulated welding operation;a user input device coupled to said processor based sub-system, where said user input device allows selection of a first training mode and a second training mode;a simulated welding console comprising said processor based sub-system, said user input device, and a second display device which displays said simulated welding operation, in real time; anda helmet having a first display device operatively coupled to said processor based subsystem which displays said simulated welding operation, said helmet comprising said at least one sensor and an audio speaker to provide simulated welding sounds during said simulated welding operation;wherein during said selected simulated welding operation, said processor based subsystem models a simulated welding surface for said welding coupon and displays said simulated welding surface on said first display device;wherein during said selected simulated welding operation, said processor based subsystem models a simulated weld puddle having real-time molten metal fluidity and real-time heat dissipation characteristics based on said movement and orientation of said welding tool during said simulated welding operation;wherein said processor based subsystem models a simulated weld bead based on a simulation of a solidification of said simulated weld puddle from a molten state to a solid state;wherein said first display device displays each of said simulated welding surface, said simulated weld puddle, said simulated weld bead, and said welding tool during said simulated welding operation;wherein during said first training mode said first display device displays a visual cue for a welding parameter during said simulated welding operation, where said visual cue is based on a determined deviation between a determined value for said welding parameter and a desired value for said welding parameter, and during said second training mode said visual cue is not displayed during said simulated welding operation, andwherein said determined value for said welding parameter is determined by said processor based subsystem based on said movement and orientation of said welding tool. 21. A method for simulating welding activity, comprising: detecting movement and orientation of a welding tool using at least one sensor during a simulated welding operation;receiving information related to said movement and orientation of said welding tool during said simulated welding operation;allowing selection of a first training mode and a second training mode;displaying, on a first display device disposed in a helmet, said simulated welding operation;modeling a simulated welding surface for a welding coupon during said selected simulated welding operation;displaying said simulated welding surface on said first display device;modeling a simulated weld puddle having real-time molten metal fluidity and real-time heat dissipation characteristics based on said movement and orientation of said welding tool, during said simulated welding operation;modeling a simulated weld bead based on a simulation of a solidification of said simulated weld puddle from a molten state to a solid state;displaying, on said first display device, each of said simulated welding surface, said simulated weld puddle, said simulated weld bead, and said welding tool during said simulated welding operation; anddisplaying during said first training mode, on said first display device, a visual signal for a welding parameter during said simulated welding operation, where said visual signal is based on a deviation between a determined value for said welding parameter and a desired value for said welding parameter,wherein during said second training mode said visual signal is not displayed during said simulated welding operation, andwherein said determined value for said welding parameter is determined based on said movement and orientation of said welding tool. 22. The method of claim 21, wherein said at least one sensor is an optical sensor which is mounted on said helmet to optically track said welding tool. 23. The method of claim 21, further comprising: simulating welding sounds in real-time with the simulated welding operation using an audio speaker disposed in said helmet. 24. The method of claim 21, further comprising: generating a plurality of simulated welding parameters based on said movement and orientation of said welding tool; anddisplaying, on a second display device, said plurality of simulated welding parameters during said simulated welding operation,wherein at least one of said plurality of simulated welding parameters is displayed in graphical form in real time during said simulated welding operation. 25. The method of claim 21, further comprising: displaying, on a second display device, a difference between said determined value for said welding parameter and said desired value for said welding parameter during said simulated welding operation. 26. The method of claim 21, further comprising: comparing said determined value for said welding parameter to a tolerance window defined by limits around a setpoint for said welding parameter; anddisplaying said comparison on a second display device. 27. The method of claim 21, further comprising: generating a score for said welding parameter based on said deviation. 28. The method of claim 21, further comprising: determining a presence of a discontinuity within said simulated weld bead, where said discontinuity is a presence of at least one of spatter and porosity; anddisplaying, on said first display device, said discontinuity during said simulated welding operation, in real time. 29. The method of claim 21, further comprising: generating and displaying on said first display device at least one welding effect, which can be any one of simulated welding sparks, simulated welding spatter, simulated arc glow and simulated porosity during said simulated welding operation, and where said at least one welding effect is displayed, in real time, based on said movement and orientation of said welding tool. 30. The method of claim 21, wherein said simulation of said solidification from said molten state to said solid state of said weld puddle is based on a cooling threshold value for said simulated weld puddle. 31. The method of claim 21, wherein said first display device displays a weld bead wake characteristic during creation of said simulated weld bead, where said wake characteristic is generated based on a real time fluidity-to-solidification transition of said simulated weld puddle as said simulated weld puddle is moved. 32. A method for simulating welding activity, comprising: detecting movement and orientation of a welding tool using at least one sensor during a simulated welding operation;receiving information related to said movement and orientation of said welding tool during said simulated welding operation;allowing selection of a first training mode and a second training mode;displaying, on a first display device disposed in a helmet, said simulated welding operation, and where said helmet comprises said at least one optical sensor and an audio speaker which provides simulated welding sounds during said simulated welding operation;modeling a simulated welding surface for a welding coupon;displaying said simulated welding surface on said first display device;modeling a simulated weld puddle having real-time molten metal fluidity and real-time heat dissipation characteristics based on said movement and orientation of said welding tool during said simulated welding operation;modeling a simulated weld bead based on a simulation of a solidification of said simulated weld puddle from a molten state to a solid state;displaying, on said first display device, each of said simulated welding surface, said simulated weld puddle, said simulated weld bead, and said welding tool during said simulated welding operation;displaying during said first training mode, on said first display device, a plurality of visual cues during said simulated welding operation, each of which corresponding to a distinct welding parameter, where each of said visual cues is based on a determined deviation between a determined value for each said distinct welding parameter and a desired value for each said distinct welding parameter, respectively,wherein during said second training mode said plurality of visual cues are not displayed during said simulated welding operation, andwherein said determined value for each said distinct welding parameter is respectively determined based on said movement and orientation of said welding tool. 33. The method of claim 32, further comprising: displaying, on a second display device, said determined value for each said distinct welding parameter during said simulated welding operation. 34. The method of claim 32, further comprising: displaying, on a second display device, said determined deviation for each said distinct welding parameter, respectively. 35. The method of claim 32, further comprising: comparing said determined value for each said distinct welding parameter to a tolerance window defined by limits around a setpoint for said distinct welding parameter, respectively; anddisplaying each said comparison on a second display device. 36. The method of claim 32, further comprising: determining a presence of a discontinuity within said simulated weld bead, where said discontinuity is a presence of at least one of spatter and porosity, and wherein said first display device displays said discontinuity during said simulated welding operation, in real time. 37. The method of claim 32, further comprising: generating and displaying on said first display device at least one welding effect, which can be any one of simulated welding sparks, simulated welding spatter, simulated arc glow and simulated porosity during said simulated welding operation, and where said at least one welding effect is displayed, in real time, based on said movement and orientation of said welding tool. 38. The method of claim 32, wherein said simulation of said solidification from said molten state to said solid state of said weld puddle is based on a cooling threshold value for said simulated weld puddle. 39. The method of claim 32, wherein said first display device displays a weld bead wake characteristic during creation of said simulated weld bead, where said wake characteristic is generated based on a real time fluidity-to-solidification transition of said simulated weld puddle as said simulated weld puddle is moved.
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