Digital video recording and playback of user displays in a process control system
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H04N-005/92
G05B-023/02
출원번호
US-0415732
(2009-03-31)
등록번호
US-9042708
(2015-05-26)
발명자
/ 주소
Caldwell, John M.
Lewis, Marty J.
Law, Gary K.
출원인 / 주소
FISHER-ROSEMOUNT SYSTEMS, INC.
대리인 / 주소
Marshall, Gerstein & Borun LLP
인용정보
피인용 횟수 :
0인용 특허 :
4
초록▼
A process control system user display provides a display image containing control system information. The system may include a digital recording module including an image capture module for making a real-time digital recording of at least a portion of the display image, the image capture module buff
A process control system user display provides a display image containing control system information. The system may include a digital recording module including an image capture module for making a real-time digital recording of at least a portion of the display image, the image capture module buffering a terminal portion of the real-time digital recording. A storage module may store at least a portion of the real-time digital recording. A real-time digital recording may contain at least a portion of the display image, wherein, at any particular time, the real-time digital recording includes information from the control system for a predetermined duration proximate the particular time, and at least a portion of the real-time digital recording may be stored. A desired portion of the digital recording may be played back, optionally with process control system event and/or continuous history.
대표청구항▼
1. A digital recording system for a process control system of a process plant, the digital recording system comprising: an image capture hardware device including a physical interface for receiving video data, to receive video data representing a real-time digital recording of at least a portion of
1. A digital recording system for a process control system of a process plant, the digital recording system comprising: an image capture hardware device including a physical interface for receiving video data, to receive video data representing a real-time digital recording of at least a portion of a display output provided via a user display of a first user interface for the process control system, said portion containing at least some information acquired from the process control system, wherein the image capture hardware device is adapted to buffer a terminal portion of the video data representing the real-time digital recording;a data historian coupled to the process control system to store process event data representing a process event associated with process activities in the process plant and external to the first user interface, the process activities detected or manipulated by a process control device; anda memory coupled to the image capture hardware device to store the video data so that the real-time digital recording of the portion of the display output provided via the user display of the first user interface is retrievable for playback in a manner that is synchronized to a reference time utilized by the data historian to store the process event data, wherein a temporal relationship is determinable between: a time at which the recorded display output, represented by the video data, was provided via the user display of the first user interface, anda time at which the process event, represented by the process event data, occurred. 2. The digital recording system of claim 1, wherein the image capture hardware device comprises software executable on the image capture hardware device. 3. The digital recording system of claim 1, usable in a process control system that includes a plurality of user interfaces, each user interface having a respective user display adapted for providing a respective display output containing information acquired from the process control system, wherein the video data representing the real-time digital recording made by the image capture hardware device includes video data representing a recording of at least a portion of the respective display output provided via each of the plurality of user displays. 4. The digital recording system of claim 1, usable in a process control system that includes a plurality of user interfaces, each user interface having a respective user display adapted for providing a respective display output containing information acquired from the process control system, wherein each of the plurality of user displays includes an image capture hardware device that identifies video data representing a real-time digital recording that includes a recording of at least a portion of the respective display output provided via that user display. 5. The digital recording system of claim 1, wherein when the digital recording system receives an indication from the process control system that a predetermined event has occurred the memory stores at least a portion of the video data representing the real-time digital recording proximate the occurrence of the predetermined event. 6. The digital recording system of claim 5, wherein the predetermined event is that a process control limit has been exceeded. 7. The digital recording system of claim 5, wherein the predetermined event is that an operator modifies a process control parameter via the user interface. 8. The digital recording system of claim 5, wherein the predetermined event is that an alarm condition exists in the process control system. 9. The digital recording system of claim 5, further comprising a control module, executable on the first user interface, adapted to receive operator input specifying at least one user-definable event, and wherein the predetermined event is that the first user interface detects that at least one of the user definable events has occurred. 10. The digital recording system of claim 9, wherein the control module is further adapted to receive operator input specifying a record duration corresponding to each user-definable event, and wherein, when the digital recording system detects that one of the user definable events has occurred, the memory stores a portion of the video data representing the real-time digital recording having the record duration corresponding to that user-definable event. 11. The digital recording system of claim 1, wherein the video data representing the real-time digital recording includes audio information detected at the user interface while the user display provides the display output. 12. The digital recording system of claim 1, further comprising an editing module for including at least one of audio, textual, and graphical information in the video data representing the real-time digital recording. 13. The digital recording system of claim 1, further comprising a playback module, executable on the first user interface, adapted to provide, in response to a command from a user, a synchronized combination of at least a portion of the video data representing the real-time digital recording and at least one of video, event, and continuous history. 14. The digital recording system of claim 1, further comprising a playback module, executable on the first user interface, adapted to receive input identifying a portion of the video data representing the real-time digital recording stored by the memory and to provide via a display the identified portion of the video data representing the real-time digital recording. 15. The digital recording system of claim 14, wherein the process event data stored on the data historian includes a plurality of event records, each event record corresponding to a respective one of a plurality of events, and wherein the playback module is adapted to receive input identifying one of the plurality of events and to provide via the display a portion of the video data representing the real-time digital recording stored by the memory that corresponds to the identified one of the plurality of events. 16. The digital recording system of claim 1, wherein the memory continually stores a terminal portion of the video data representing the real-time digital recording on a first-in, first-out basis. 17. A process control system for controlling a process, comprising: a first user interface display to provide a display output containing information acquired from the process control system;a data historian to store process event data representing a process event associated with process activities in the process plant and external to the first user interface, the process activities detected or manipulated by a process control device;a computer, communicatively connected to the first user interface display, including one or more processors and a memory storing instructions that, when executed by the one or more processors, cause the one or more processors to: identify video data representing a real-time digital recording of at least a portion of a display output provided via the first user interface display, said portion containing at least some of the information acquired from the process control system, wherein the computer is adapted to buffer a terminal portion of the video data representing the real-time digital recording, andstore the video data so that the real-time digital recording of the portion of the display output provided via the first user interface display is retrievable for playback in a manner that is synchronized to a reference time utilized by the data historian to store the process event data, wherein a relationship is determinable between: a time at which the recorded display output, represented by the video data, was provided via the first user interface display, anda time at which the process event, represented by the process event data, occurred. 18. The process control system of claim 17, wherein the computer identifies the video data via a network interface. 19. The process control system of claim 17, including a plurality of user interface displays adapted for providing a respective display output containing information acquired from the process control system, wherein the video data representing the real-time digital recording made by the computer includes a recording of at least a portion of the respective display output provided via each of the plurality of user interface displays. 20. The process control system of claim 17, including at least one additional user interface display adapted for providing a display output containing information acquired from the process control system, wherein the additional user interface display is communicatively connected to a computer that identifies video data representing a real-time digital recording that includes a recording of at least a portion of the display output provided via the user interface display. 21. The process control system of claim 17, wherein, when the computer receives an indication from the process control system that a predetermined event has occurred, the computer stores at least a portion of the video data representing the real-time digital recording proximate the occurrence of the predetermined event. 22. The process control system of claim 21, wherein the predetermined event is that a process control limit has been exceeded. 23. The process control system of claim 21, wherein the predetermined event is that an operator modifies a process control parameter via the computer. 24. The process control system of claim 21, wherein the predetermined event is that an alarm condition exists in the process control system. 25. The process control system of claim 21, wherein the computer further comprises a control module, stored as a set of instructions to the computer memory, adapted to receive operator input specifying at least one user definable event, and wherein the predetermined event is that the computer detects that at least one of the user- definable events has occurred. 26. The process control system of claim 25, wherein the control module is further adapted to receive operator input specifying a record duration corresponding to each user-definable event, and wherein, when the digital recording module detects that one of the user-definable events has occurred, the computer stores a portion of the video data representing the real-time digital recording having the record duration corresponding to that user-definable event. 27. The process control system of claim 17, wherein the video data representing the real-time digital recording includes audio information detected at the computer while the user interface display provides the display output. 28. The process control system of claim 17, further comprising an editing module, stored as a set of instructions to the computer memory, for including at least one of audio, textual, and graphical information in the video data representing the real-time digital recording. 29. The process control system of claim 17, further comprising a playback module, stored as a set of instructions to the computer memory, adapted to provide, in response to a command from a user, a synchronized combination of at least a portion of the video data representing the real-time digital recording and at least one of video, event, and continuous history. 30. The process control system of claim 17, further comprising a playback module, stored as a set of instructions to the computer memory, adapted to receive input identifying a portion of the video data representing the real-time digital recording stored by the memory and to provide via a display the identified portion of the video data representing the real-time digital recording. 31. The process control system of claim 30, wherein the process event data stored by the event historian includes a plurality of event records, each event record corresponding to a respective one of a plurality of events, and wherein the playback module is adapted to receive input identifying one of the plurality of events and to provide via the display a portion of the video data representing the real-time digital recording stored by the memory that corresponds to the identified one of the plurality of events. 32. The process control system of claim 17, wherein the memory continually stores a terminal portion of the video data representing the real-time digital recording on a first-in, first-out basis. 33. A method of operating a process control system for a process plant, the method comprising: identifying video data representing a real-time digital recording of at least a portion of a display output provided via a user display of a first user interface for the process control system, said portion of the display output containing at least some information acquired from the process control system, wherein at any particular time the video data includes information acquired from the process control system for a predetermined duration prior to the particular time;storing, via a data historian of the process control system, process event data representing a process event relating to process activities in a process plant and external to the first user interface, the process activities having been detected or manipulated by a process control device in the process plant; andstoring at least a portion of the video data so that the real-time digital recording of the portion of the display output provided via the user display of the first user interface is retrievable for playback in a manner that is synchronized with a reference time utilized by the data historian to store the process event data, wherein a temporal relationship is determinable between: a time at which the recorded display output, represented by the portion of video data, was provided via the user display of the first user interface, anda time at which the process event, represented by the process event data, occurred. 34. The method of claim 33, wherein the process control system includes at least a second user interface with a user display adapted for providing a second display output containing information acquired from the process control system, the method further comprising the steps of identifying video data representing a real-time digital recording of at least a portion of the second display output and storing at least a portion of the video data representing the real-time digital recording of the second display output. 35. The method of claim 33, wherein, when an indication is received from the process control system that a predetermined event has occurred, at least a portion of the video data representing the real-time digital recording proximate the predetermined event is stored. 36. The method of claim 35, wherein the predetermined event is that a process control limit has been exceeded. 37. The method of claim 35, wherein the predetermined event is that an operator modifies a process control parameter via the user interface. 38. The method of claim 35, wherein the predetermined event is that an alarm condition exists in the process control system. 39. The method of claim 35, further comprising the step of receiving operator input specifying at least one user-definable event, and wherein the predetermined event is that the user interface detects that at least one of the user definable events has occurred. 40. The method of claim 33, further comprising the step of including in the video data representing the real-time digital recording audio information detected at the user interface while the user display provides the display output. 41. The method of claim 33, further comprising the step of including at least one of audio, textual, and graphical information in the video data representing the real-time digital recording. 42. The method of claim 33, further comprising the step of providing, in response to a command from a user, a synchronized combination of at least a portion of the video data representing the real-time digital recording and at least one of video, event, and continuous history. 43. The method of claim 33, further comprising the steps of receiving input identifying a portion of the video data representing the real-time digital recording and providing via a display the identified portion of the video data representing the real-time digital recording. 44. The method of claim 43, further comprising the steps of providing an event historian including a plurality of event records, each event record corresponding to a respective one of a plurality of events; receiving input identifying one of the plurality of events; and providing via the display a portion of the video data representing the real-time digital recording that corresponds to the identified one of the plurality of events. 45. The method of claim 33, wherein the step of storing the video data representing the real-time digital recording includes the step of continually storing a terminal portion of the digital recording on a first-in, first-out basis. 46. A digital recording system for a process control system having at least a first user interface with a user display to provide a display output containing information acquired from the process control system, the digital recording system comprising: an image capture hardware device including a physical interface for receiving video data, to receive video data representing a real-time digital recording of at least a portion of the display output provided via the user display of the first user interface, said portion containing at least some of the information acquired from the process control system, wherein the image capture hardware device is adapted to buffer a terminal portion of the video data representing the real-time digital recording;a data historian coupled to the process control system to store process event data associated with process activities external to the first user interface;a memory coupled to the image capture hardware device to store the video data representing the real-time digital recording of the portion of the display output provided via the user display of the first user interface in a database in a manner that is synchronized with the process event data stored in the data historian so that the real-time digital recording has a temporal relationship with the process event data;wherein when the digital recording system receives an indication from the process control system that a predetermined event has occurred the memory stores at least a portion of the video data representing the real-time digital recording proximate the occurrence of the predetermined event; andwherein the predetermined event is that a process control limit has been exceeded. 47. A process control system for controlling a process, comprising: a first user interface display to provide a display output containing information acquired from the process control system;a data historian to store process event data associated with process activities external to the first user interface; anda computer, communicatively connected to the first user interface display and including one or more processors and a memory storing instructions that, when executed by the one or more processors, cause the one or more processors to: identify video data representing a real-time digital recording of at least a portion of the display output provided via the first user interface display, said portion containing at least some of the information acquired from the process control system, wherein the computer is adapted to buffer a terminal portion of the video data representing the real-time digital recording, andstore the video data representing the real-time digital recording of the portion of the display output provided via the first user interface display in a database in a manner that is synchronized with the process event data stored in the data historian so the real-time digital recording has a temporal relationship with the process event data stored in the data historian;wherein, when the computer receives an indication from the process control system that a predetermined event has occurred, the computer stores at least a portion of the video data representing the real-time digital recording proximate the occurrence of the predetermined event; andwherein the predetermined event is that a process control limit has been exceeded. 48. A method of operating a process control system having at least a first user interface with a user display adapted for providing a display output containing information acquired from the process control system, the method comprising the steps of: identifying video data representing a real-time digital recording of at least a portion of the display output provided via the user display of the first user interface, said portion containing at least some of the information acquired from the process control system, wherein at any particular time the video data representing the real-time digital recording includes the information acquired from the process control system for a predetermined duration prior to the particular time; andstoring at least a portion of the video data representing the real-time digital recording of the portion of the display output provided via the user display of the first user interface in a database in a manner that is synchronized with process event data stored by a data historian coupled to the process control system so that the real-time digital recording has a temporal relationship with the process event data, the process event data relating to process activities external to the first user interface;wherein, when an indication is received from the process control system that a predetermined event has occurred, at least a portion of the video data representing the real- time digital recording proximate the predetermined event is stored; andwherein the predetermined event is that a process control limit has been exceeded.
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