System and method for maintaining the health of a control system
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G05B-009/02
H04L-029/08
G06F-009/445
G05B-019/042
G05B-023/02
출원번호
US-0448164
(2014-07-31)
등록번호
US-9912733
(2018-03-06)
발명자
/ 주소
T, Ravi Kumar
Banerjee, Goutam
Pai, Ramesh Brahmavar
출원인 / 주소
GENERAL ELECTRIC COMPANY
대리인 / 주소
Zhang, Douglas D.
인용정보
피인용 횟수 :
0인용 특허 :
59
초록▼
Disclosed is a system and method to maintain the health of a control system. A recording of running status of process control system software is performed. Then a health assessment of a process control system is carried out using the recorded running status. Using this information, at least one heal
Disclosed is a system and method to maintain the health of a control system. A recording of running status of process control system software is performed. Then a health assessment of a process control system is carried out using the recorded running status. Using this information, at least one health maintenance recommendation is generated. The recommendations are then implemented to maintain the health of a process control system.
대표청구항▼
1. A method of maintaining health of a process control system comprising: recording a running status of process control system software of the process control system, the process control system being associated with a power plant;performing a health assessment of the process control system using the
1. A method of maintaining health of a process control system comprising: recording a running status of process control system software of the process control system, the process control system being associated with a power plant;performing a health assessment of the process control system using the recorded running status;generating at least one health maintenance recommendation based on the health assessment of the process control system, wherein generating the at least one health maintenance recommendation comprises utilizing the health assessment of the process control system to make at least one prediction regarding a control system issue prior to occurrence of a maintenance event associated with the predicted control system issue, the at least one health maintenance recommendation comprising at least one corrective action to be performed to prevent occurrence of the maintenance event associated with the predicted control system issue;segregating the at least one health maintenance recommendation into a first set of recommendations which are upgradable during the running status of the process control system and a second set of recommendations which are non-upgradable during the running status of the process control system, wherein the segregating is based on information associated with the power plant stored in a knowledge base; andimplementing at least one change in the process control system based on the at least one health maintenance recommendation, wherein implementing the at least one change in the processing control system based on the at least one health maintenance recommendation comprises:implementing, during the running status of the process control system, one or more recommendations in the first set; andimplementing, during a shutdown or downtime period of the process control system, one or more recommendations in the second set; andwherein the process control system comprises at least one triple modular redundant (TMR) industrial controller configured to communicate with a plurality of field devices associated with the power plant, the TMR industrial controller comprising at least three cores; andwherein implementing the at least one change in the process control system based on the at least one health maintenance recommendation further comprises, prior to implementing the at least one change:each of the at least three cores of the TMR industrial controller determining whether to implement the at least one change based on state information of that core; anddetermining whether to implement the at least one change based on a majority vote of the at least three cores of the TMR industrial controller. 2. The method of claim 1 wherein the process control system includes a power plant control system. 3. The method of claim 1 wherein generating the at least one health maintenance recommendation comprises generating one or more of controller health recommendations, software upgrade recommendations, software replacement recommendations, hardware upgrade recommendations, hardware replacement recommendations, parts replacement recommendations and parts ordering recommendations, and combinations thereof. 4. The method of claim 1 wherein the at least one health maintenance recommendation is sent as a notification to at least one user of the process control system. 5. The method of claim 4 wherein the notification is sent to the user via a wireless network. 6. The method of claim 4 wherein the notification comprises a text file, a computer readable file, an audio file, a video file and combinations thereof. 7. The method of claim 4 wherein the notification comprises a text message, email, phone call, video message, voice message or a combination thereof. 8. The method of claim 4 wherein the user has choice of accepting or rejecting the at least one health maintenance recommendation in the notification. 9. The method of claim 1 wherein implementing the at least one health maintenance recommendation includes downloading at least one software upgrade or software replacement. 10. The method of claim 9 wherein the software upgrade or software replacement comprises newer versions of a distributed control system (DCS), a manufacturing execution system (MES), a supervisor control and data acquisition (SCADA) system, a human machine interface (HMI) system, an input/output system, a memory, a processor, a network interface, a power supply, and a communications bus. 11. The method of claim 1 wherein generating the at least one health maintenance recommendation comprises generating at least one health report of the process control system. 12. The method of claim 1 further comprising receiving user input, wherein the user input includes providing one or more supporting files required to update the process control system software. 13. The method of claim 12 wherein the one or more supporting files include at least one software file. 14. The method of claim 12 wherein the one or more supporting files include at least one library of software. 15. A non-transitory computer readable storage medium having a computer program stored thereon and representing a set of instructions that when executed by a computer causes the computer to: receive at least one health maintenance recommendation for a process control system associated with a power plant, the at least one health maintenance recommendation comprising at least one corrective action to be performed to prevent occurrence of a maintenance event associated with a predicted control system issue for the process control system;segregate said recommendation into a first set of recommendations which are upgradable during a running state of the process control system and a second set of recommendations which are non-upgradable during the running state of the process control system, wherein the segregating is based on information associated with the power plant stored in a knowledge base; andimplement at least one change in the process control system based on the segregated at least one health maintenance recommendation, wherein implementing the at least one change comprises: implementing, during the running state of the process control system, one or more recommendations in the first set; andimplementing, during a shutdown or downtime period of the process control system, one or more recommendations in the second set;wherein the process control system comprises at least one triple modular redundant (TMR) industrial controller configured to communicate with a plurality of field devices associated with the power plant, the TMR industrial controller comprising at least three cores; andwherein implementing the at least one change in the process control system based on the at least one health maintenance recommendation further comprises, prior to implementing the at least one change:each of the at least three cores of the TMR industrial controller determining whether to implement the at least one change based on state information of that core; anddetermining whether to implement the at least one change based on a majority vote of the at least three cores of the TMR industrial controller. 16. The storage medium of claim 15 wherein the segregated at least one health maintained recommendation is provided to at least one user of the process control system. 17. An apparatus comprising: a controller implementing process control system software for a process control system, the process control system being associated with a power plant; anda knowledge base storing information associated with the power plant;wherein the controller is configured: to record a running status of the process control system software;to perform a health assessment of the process control system using the recorded running status;to generate at least one health maintenance recommendation based on the health assessment of the process control system, wherein generating the at least one health maintenance recommendation comprises utilizing the health assessment of the process control system to make at least one prediction regarding a control system issue prior to occurrence of a maintenance event associated with the predicted control system issue, the at least one health maintenance recommendation comprising at least one corrective action to be performed to prevent occurrence of the maintenance event associated with the predicted control system issue;to segregate the at least one health maintenance recommendation into a first set of recommendations which are upgradable during the running status of the process control system and a second set of recommendations which are non-upgradable during the running status of the process control system, wherein the segregating is based on information associated with the power plant stored in the knowledge base; andto implement at least one change in the process control system based on the at least one health maintenance recommendation, wherein implementing the at least one change in the process control system based on the at least one health maintenance recommendation comprises: implementing, during the running status of the process control system, one or more recommendations in the first set; andimplementing, during a shutdown or downtime period of the process control system, one or more recommendations in the second set;wherein the controller comprises at least one triple modular redundant (TMR) industrial controller configured to communicate with a plurality of field devices associated with the power plant, the TMR industrial controller comprising at least three cores; andwherein implementing the at least one change in the process control system based on the at least one health maintenance recommendation further comprises, prior to implementing the at least one change:each of the at least three cores of the TMR industrial controller determining whether to implement the at least one change based on state information of that core; anddetermining whether to implement the at least one change based on a majority vote of the at least three cores of the TMR industrial controller. 18. The apparatus of claim 17 wherein the plurality of field devices comprise one or more flow meters, pH sensors, temperature sensors, vibration sensors and clearance sensors.
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