초록 ▼

A system comprises a valve; a plurality of RFID sensor assemblies coupled to the valve to monitor a plurality of parameters associated with the valve; a control tag configured to wirelessly communicate with the respective tags that are coupled to the valve, the control tag being further configured t

A system comprises a valve; a plurality of RFID sensor assemblies coupled to the valve to monitor a plurality of parameters associated with the valve; a control tag configured to wirelessly communicate with the respective tags that are coupled to the valve, the control tag being further configured to communicate with an RF reader; and an RF reader configured to selectively communicate with the control tag, the reader including an RF receiver. Other systems and methods are also provided.

대표청구항 ▼

The invention claimed is: 1. A process control monitoring system comprising: a plurality of radio frequency identification devices associated with respective ones of a plurality of process control elements of an industrial plant; an interrogator configured to implement wireless communications with

The invention claimed is: 1. A process control monitoring system comprising: a plurality of radio frequency identification devices associated with respective ones of a plurality of process control elements of an industrial plant; an interrogator configured to implement wireless communications with respect to the radio frequency identification devices, wherein the interrogator is configured to output a plurality of first wireless interrogation signals which identify the radio frequency identification devices; a reader configured to implement wireless communications with respect to the interrogator; wherein the radio frequency identification devices are individually configured to receive the first wireless interrogation signals, and for individual ones of the first wireless interrogation signals, to determine whether the individual first wireless interrogation signal identifies the individual one of the radio frequency identification devices and to communicate a first wireless reply signal comprising information of the respective one of the process control elements to the interrogator responsive to the individual first wireless interrogation signal identifying the individual one of the radio frequency identification devices; and wherein the reader is configured to output a second wireless interrogation signal comprising an identifier and the interrogator is configured to communicate a second wireless reply signal to the reader which comprises the information received from the radio frequency identification devices responsive to determining that the identifier of the second wireless interrogation signal outputted by the reader is identical to an identifier of the interrogator. 2. The system of claim 1 wherein the radio frequency identification devices are configured to monitor operations of the respective process control elements, and the information of the first wireless reply signal comprises information regarding the operations of the respective one of the process control elements. 3. The system of claim 1 wherein the first wireless interrogation signals individually identify more than one of the radio frequency identification devices. 4. The system of claim 1 wherein the radio frequency identification devices comprise respective identifiers and the first wireless interrogation signals comprise the identifiers which identify the radio frequency identification devices. 5. The system of claim 4 wherein the respective radio frequency identification device is configured to output the first wireless reply signal responsive to an identifier of at least one of the first wireless interrogation signals matching the identifier of the respective radio frequency identification device. 6. The system of claim 4 wherein the identifiers comprised by the radio frequency identification devices comprise unique identifiers of respective ones of the radio frequency identification devices, and wherein the respective radio frequency identification device is configured to output the first wireless reply signal responsive to the identifier of at least one of the first wireless interrogation signals matching the unique identifier of the respective radio frequency identification device. 7. The system of claim 1 wherein the interrogator is configured to use the information to estimate a remaining useful life of one of the process control elements. 8. The system of claim 1 wherein the plurality of radio frequency identification devices comprise microprocessors and the microprocessors are configured to predict future behavior of the process control elements. 9. The system of claim 1 wherein: the interrogator is a first interrogator located within a first geographical zone of the industrial plant; the plurality of radio frequency identification devices comprises a first plurality of radio frequency identification devices located within the first zone; and further comprising: a second plurality of radio frequency identification devices located within a second geographical zone of the industrial plant different from the first geographical zone, the second plurality of radio frequency identification devices being associated with respective ones of a second plurality of process control elements of the industrial plant; a second interrogator configured to implement wireless communications with respect to the second plurality of radio frequency identification devices; and wherein the reader is configured to: output a third wireless interrogation signal identifying the second interrogator and the second interrogator is configured to communicate a third wireless reply signal to the reader as a result of reception of the third wireless interrogation signal, the third wireless reply signal comprising information received from the second plurality of radio frequency identification devices; and move within the industrial plant so that the reader is in communication with the first interrogator but not the second interrogator during the second wireless interrogation when the reader is in the first zone and in communication with the second interrogator but not the first interrogator during the third wireless interrogation when the reader is in the second zone. 10. The system of claim 1 wherein the reader is configured to implement the wireless communications with respect to the interrogator via a wireless communication channel directly coupling the reader and the interrogator. 11. A process control monitoring system comprising: a plurality of radio frequency identification devices configured to monitor operations of respective ones of a plurality of process control elements of an industrial plant and to store information regarding the operations of the respective process control elements responsive to the monitoring; a control tag configured to implement first wireless communications with the radio frequency identification devices and to receive the information regarding the operations of the process control elements from the radio frequency identification devices via the first wireless communications; and a reader configured to implement second wireless communications with the control tag and to receive the information regarding the operations of the process control elements from the control tag via the second wireless communications, the second wireless communications comprising an interrogation signal which comprises an identifier that uniquely identifies the control tag; and wherein the control tag is configured to output a reply signal of the second wireless communications which comprises the information regarding the operations of the process control elements as a result of reception of the interrogation signal by the control tag. 12. The system of claim 11 wherein the reply signal comprises a first reply signal and the interrogation signal comprises a first wireless interrogation signal and wherein the control tag is configured to output a second wireless interrogation signal which identifies at least one of the radio frequency identification devices, and the at least one of the radio frequency identification devices is configured to output a second wireless reply signal which comprises the information regarding the operations of a respective one of the process control elements responsive to the identifying of the at least one of the radio frequency identification devices. 13. The system of claim 11 wherein the control tag receives other interrogation signals which do not identify the control tag and the control tag is configured to not respond to the other interrogation signals. 14. The system of claim 11 wherein: the control tag is a first control tag located within a first geographical zone of the industrial plant; the interrogation signal is a first interrogation signal; the reply signal is a first reply signal; the plurality of radio frequency identification devices comprises a first plurality of radio frequency identification devices located within the first zone; and further comprising: a second plurality of radio frequency identification devices located within a second geographical zone of the industrial plant different from the first geographical zone, the second plurality of radio frequency identification devices being associated with respective ones of a second plurality of process control elements of the industrial plant; a second control tag configured to implement third wireless communications with respect to the second plurality of radio frequency identification devices; and wherein the reader is configured to: output a second wireless interrogation signal identifying the second control tag and the second control tag is configured to communicate a second wireless reply signal to the reader as a result of reception of the second wireless interrogation signal, the second wireless reply signal comprising information received from the second plurality of radio frequency identification devices; and move within the industrial plant so that the reader is in communication with the first control tag but not the second control tag during the first wireless interrogation when the reader is in the first zone and in communication with the second control tag but not the first control tag during the second wireless interrogation when the reader is in the second zone. 15. An industrial plant comprising: a plurality of zones individually comprising: a plurality of process control elements of the industrial plant; a plurality of radio frequency identification devices configured to obtain information regarding respective ones of the process control elements; and a control tag configured to first wirelessly interrogate the radio frequency identification devices of the respective zone, and wherein the radio frequency identification devices of the respective zone are configured to wirelessly communicate the information to the control tag responsive to the first wireless interrogation; a reader configured to second wirelessly interrogate individual ones of the control tags of the zones, and wherein the control tags are individually configured to wirelessly communicate the information to the reader responsive to the second wireless interrogation; and wherein the control tags comprise different first identifiers relative to one another, the first identifiers uniquely identifying the control tags, and the control tags are configured to wirelessly communicate the information to the reader as a result of the second wireless interrogation comprising second identifiers identical to the respective first identifiers of the control tags. 16. The plant of claim 15 wherein the radio frequency identification devices are configured to obtain the information comprising status information regarding the process control elements. 17. The plant of claim 15 wherein the zones correspond to different geographical locations of the industrial plant relative to one another and the control tags are configured to communicate only with the radio frequency identification devices in the respective zones. 18. The plant of claim 17 wherein the reader is configured to be moved within the industrial plant so that the reader is in communication with a first one of the control tags but not a second one of the control tags during the second wireless interrogation when the reader is in a first one of the zones and in communication with the second one of the control tags but not the first one of the control tags during the second wireless interrogation when the reader is in a second one of the zones. 19. The plant of claim 15 wherein the control tag of a first zone of the plurality comprises a first one of the first identifiers and is configured to respond to the second wireless interrogation received from the reader responsive to determining that the second wireless interrogation comprises a first one of the second identifiers that is identical to the first one of the first identifiers and the control tag of a second zone of the plurality comprises a second one of the first identifiers different from the first one of the first identifiers and is configured to respond to the second wireless interrogation received from the reader responsive to determining that the second wireless interrogation comprises a second one of the second identifiers that is identical to the second one of the first identifiers. 20. The plant of claim 15 wherein the control tag of a first zone of the plurality comprises one of the first identifiers and is configured to respond to the second wireless interrogation received from the reader responsive to determining that the second wireless interrogation comprises one of the second identifiers that is identical to the one of the first identifiers and to disregard other interrogations received from the reader that do not comprise the one of the second identifiers that is identical to the one of the first identifiers. 21. A process control monitoring method comprising: using a radio frequency identification device, monitoring operations of a process control element of an industrial plant; storing information regarding the operations of the process control element using the radio frequency identification device after the monitoring; outputting a first wireless interrogation signal using an interrogator comprising a control tag; receiving the first wireless interrogation signal within the radio frequency identification device from the interrogator; responsive to the receiving the first wireless interrogation signal, outputting a first wireless reply signal using the radio frequency identification device for communication to the interrogator, wherein the first wireless reply signal comprises the information regarding the operations of the process control element; receiving the first wireless reply signal using the control tag; receiving a second wireless interrogation signal within the control tag from a reader; outputting a second wireless reply signal comprising the information for communication to the reader; and comparing an identifier of the second wireless interrogation signal with an identifier of the control tag, and wherein the outputting of the second wireless reply signal comprises outputting as a result of the identifier of the second wireless interrogation signal being identical to the identifier of the control tag. 22. The method of claim 21 wherein the comparing is a first comparing and further comprising second comparing an identifier of the first wireless interrogation signal with an identifier of the radio frequency identification device and wherein the outputting of the first wireless reply signal comprises outputting responsive to the identifier of the first wireless interrogation signal matching the identifier of the radio frequency identification device. 23. The method of claim 22 wherein the second comparing comprises comparing the identifier of the first wireless interrogation signal with the identifier of the radio frequency identification device which uniquely identifies the radio frequency identification device. 24. The method of claim 21 wherein: the interrogator is a first interrogator located within a first geographical zone of the industrial plant; the radio frequency identification device is a first radio frequency identification device located within the first zone; the information is first information; the process control element is a first process control element; and further comprising: using a second radio frequency identification device located within a second geographical zone of the industrial plant different from the first geographical zone, monitoring operations of a second process control element of the industrial plant; outputting a third wireless interrogation signal using a second interrogator located within the second zone; receiving the third wireless interrogation signal within the second radio frequency identification device from the second interrogator; responsive to the receiving the third wireless interrogation signal, outputting a third wireless reply signal using the second radio frequency identification device for communication to the second interrogator, wherein the third wireless reply signal comprises second information regarding the operations of the second process control element; receiving the third wireless reply signal using the second interrogator; receiving a fourth wireless interrogation signal within the second interrogator from the reader; outputting a fourth wireless reply signal comprising the second information for communication to the reader; and moving the reader within the industrial plant so that the reader is in communication with the first interrogator but not the second interrogator during the second wireless interrogation when the reader is in the first zone and in communication with the second interrogator but not the first interrogator during the fourth wireless interrogation when the reader is in the second zone. 25. The method of claim 21 wherein the receiving of the second wireless interrogation signal comprises receiving the second wireless interrogation signal via a wireless communication channel directly coupling the reader and the control tag. 26. The method of claim 21 wherein the receiving of the second wireless interrogation signal within the control tag comprises receiving the second wireless interrogation signal directly from the reader. 27. A process control monitoring method comprising: first outputting a first wireless interrogation signal using a control tag; first receiving the first wireless interrogation signal using a radio frequency identification device which is associated with a process control element of an industrial plant; second outputting a first wireless reply signal comprising information regarding operations of the process control element using the radio frequency identification device responsive to the first receiving; second receiving the first wireless reply signal using the control tag; third outputting a second wireless interrogation signal using a reader; third receiving the second wireless interrogation signal using the control tag; fourth outputting a second wireless reply signal comprising the information regarding the operations of the process control element using the control tag responsive to the third receiving; fourth receiving the second wireless reply signal using the reader; and wherein the fourth outputting comprises outputting as a result of the second wireless interrogation signal comprising an identifier uniquely identifying the control tag. 28. The method of claim 27 wherein the identifier is a first identifier and the radio frequency identification device comprises a second identifier and the second outputting comprises outputting responsive to the first wireless interrogation signal comprising the second identifier. 29. The method of claim 27 further comprising the radio frequency identification device predicting future behavior of the process control element using the information. 30. The method of claim 27 further comprising the radio frequency identification device calibrating the process control element. 31. The method of claim 27 wherein the control tag comprises a first control tag, the radio frequency identification device comprises a first radio frequency identification device and the first radio frequency identification device is associated with a first zone of the industrial plant and further comprising: outputting a third wireless interrogation signal using a second control tag; receiving the third wireless interrogation signal using a second radio frequency identification device which is associated with a second process control element and a second zone of the industrial plant; outputting a third wireless reply signal comprising information regarding operations of the second process control element using the second radio frequency identification device responsive to the receiving of the third wireless interrogation signal; receiving the third wireless reply signal using the second control tag; outputting a fourth wireless interrogation signal using the reader; receiving the fourth wireless interrogation signal using the second control tag; outputting a fourth wireless reply signal comprising the information regarding the operations of the second process control element using the second control tag responsive to the receiving of the fourth wireless interrogation signal; and receiving the fourth wireless reply signal using the reader. 32. The method of claim 31 wherein the reader is in the first zone during the receiving of the second wireless reply signal and the reader is in the second zone during the receiving of the fourth wireless reply signal and further comprising after the receiving of the second wireless reply signal and before receiving the fourth wireless reply signal, moving the reader from the first zone into the second zone. 33. The method of claim 27 further comprising the radio frequency identification device diagnosing problematic behavior of the process control element using the information.