WO2005124491A1 - System and method for detecting an abnormal situation associated with a process gain of a control loop - Google Patents
System and method for detecting an abnormal situation associated with a process gain of a control loop Download PDFInfo
- Publication number
- WO2005124491A1 WO2005124491A1 PCT/US2005/020388 US2005020388W WO2005124491A1 WO 2005124491 A1 WO2005124491 A1 WO 2005124491A1 US 2005020388 W US2005020388 W US 2005020388W WO 2005124491 A1 WO2005124491 A1 WO 2005124491A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- process gain
- control loop
- expected
- operating region
- gain
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 527
- 230000008569 process Effects 0.000 title claims abstract description 467
- 230000002159 abnormal effect Effects 0.000 title claims abstract description 79
- 238000012544 monitoring process Methods 0.000 claims abstract description 29
- 230000008859 change Effects 0.000 claims description 23
- 238000010977 unit operation Methods 0.000 claims description 22
- 238000002405 diagnostic procedure Methods 0.000 claims description 3
- 230000000977 initiatory effect Effects 0.000 claims 1
- 238000012423 maintenance Methods 0.000 description 35
- 238000004458 analytical method Methods 0.000 description 30
- 238000004891 communication Methods 0.000 description 29
- 230000009471 action Effects 0.000 description 20
- 238000004886 process control Methods 0.000 description 20
- 230000006870 function Effects 0.000 description 19
- 238000010586 diagram Methods 0.000 description 16
- 238000013480 data collection Methods 0.000 description 12
- 230000002265 prevention Effects 0.000 description 12
- 230000006399 behavior Effects 0.000 description 11
- 238000012545 processing Methods 0.000 description 9
- 238000003070 Statistical process control Methods 0.000 description 8
- 238000011161 development Methods 0.000 description 8
- 238000004821 distillation Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 239000000446 fuel Substances 0.000 description 7
- 238000007726 management method Methods 0.000 description 7
- 238000001514 detection method Methods 0.000 description 6
- 238000009826 distribution Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 5
- 230000015654 memory Effects 0.000 description 5
- 238000010248 power generation Methods 0.000 description 5
- 238000004364 calculation method Methods 0.000 description 4
- 238000005457 optimization Methods 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 230000000116 mitigating effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000513 principal component analysis Methods 0.000 description 2
- 238000011112 process operation Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000013528 artificial neural network Methods 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000002716 delivery method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000004231 fluid catalytic cracking Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000012905 input function Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000013179 statistical model Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0218—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults
- G05B23/0243—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults model based detection method, e.g. first-principles knowledge model
- G05B23/0254—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults model based detection method, e.g. first-principles knowledge model based on a quantitative model, e.g. mathematical relationships between inputs and outputs; functions: observer, Kalman filter, residual calculation, Neural Networks
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G11/00—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils
- C10G11/14—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils with preheated moving solid catalysts
- C10G11/18—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils with preheated moving solid catalysts according to the "fluidised-bed" technique
- C10G11/187—Controlling or regulating
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B13/00—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion
- G05B13/02—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
- G05B13/0205—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric not using a model or a simulator of the controlled system
- G05B13/024—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric not using a model or a simulator of the controlled system in which a parameter or coefficient is automatically adjusted to optimise the performance
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Evolutionary Computation (AREA)
- Artificial Intelligence (AREA)
- Automation & Control Theory (AREA)
- Health & Medical Sciences (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Software Systems (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Medical Informatics (AREA)
- Organic Chemistry (AREA)
- Mathematical Physics (AREA)
- Testing And Monitoring For Control Systems (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007527748A JP2008503012A (en) | 2004-06-12 | 2005-06-09 | System and method for detecting abnormal conditions associated with process gain in a control loop |
CA002567139A CA2567139A1 (en) | 2004-06-12 | 2005-06-09 | System and method for detecting an abnormal situation associated with a process gain of a control loop |
EP05760228.6A EP1766484B1 (en) | 2004-06-12 | 2005-06-09 | System and method for detecting an abnormal situation associated with a process gain of a control loop |
CN200580019273XA CN1969239B (en) | 2004-06-12 | 2005-06-09 | System and method for detecting an abnormal situation associated with a process gain of a control loop |
BRPI0511928-6A BRPI0511928A (en) | 2004-06-12 | 2005-06-09 | method for monitoring operation of a control loop in a process facility, tangible medium, system for monitoring operation of a control loop in a process facility, and, method for facilitating the monitoring operation of at least a portion of a facility of process |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US57895704P | 2004-06-12 | 2004-06-12 | |
US60/578,957 | 2004-06-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005124491A1 true WO2005124491A1 (en) | 2005-12-29 |
Family
ID=34978931
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2005/020388 WO2005124491A1 (en) | 2004-06-12 | 2005-06-09 | System and method for detecting an abnormal situation associated with a process gain of a control loop |
Country Status (8)
Country | Link |
---|---|
US (1) | US7660701B2 (en) |
EP (1) | EP1766484B1 (en) |
JP (1) | JP2008503012A (en) |
CN (1) | CN1969239B (en) |
BR (1) | BRPI0511928A (en) |
CA (1) | CA2567139A1 (en) |
RU (1) | RU2007101229A (en) |
WO (1) | WO2005124491A1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2432431A (en) * | 2005-11-18 | 2007-05-23 | Agilent Technologies Inc | Error measurement in a closed loop control system |
WO2008005118A3 (en) * | 2006-06-30 | 2008-04-17 | Fisher Controls Int | Computerized evaluation of process control device signature graphs |
ITCO20120008A1 (en) * | 2012-03-01 | 2013-09-02 | Nuovo Pignone Srl | METHOD AND SYSTEM FOR MONITORING THE CONDITION OF A GROUP OF PLANTS |
CN103699011A (en) * | 2013-12-10 | 2014-04-02 | 沈阳工大电器设备有限公司 | Composite type predictive control algorithm applied to automatic matching in carbon plant |
Families Citing this family (97)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020191102A1 (en) * | 2001-05-31 | 2002-12-19 | Casio Computer Co., Ltd. | Light emitting device, camera with light emitting device, and image pickup method |
US7567887B2 (en) * | 2004-09-10 | 2009-07-28 | Exxonmobil Research And Engineering Company | Application of abnormal event detection technology to fluidized catalytic cracking unit |
US20060074598A1 (en) * | 2004-09-10 | 2006-04-06 | Emigholz Kenneth F | Application of abnormal event detection technology to hydrocracking units |
US7424395B2 (en) * | 2004-09-10 | 2008-09-09 | Exxonmobil Research And Engineering Company | Application of abnormal event detection technology to olefins recovery trains |
US7349746B2 (en) * | 2004-09-10 | 2008-03-25 | Exxonmobil Research And Engineering Company | System and method for abnormal event detection in the operation of continuous industrial processes |
CA2505565C (en) * | 2005-04-28 | 2008-09-16 | Camco Inc. | Apparatus and method for controlling a clothes dryer |
US7747246B2 (en) * | 2006-03-02 | 2010-06-29 | At&T Intellectual Property I, L.P. | Environment independent user preference communication |
US20070208861A1 (en) * | 2006-03-02 | 2007-09-06 | Zellner Samuel N | User preference interpretation |
US7761172B2 (en) * | 2006-03-21 | 2010-07-20 | Exxonmobil Research And Engineering Company | Application of abnormal event detection (AED) technology to polymers |
US7720641B2 (en) * | 2006-04-21 | 2010-05-18 | Exxonmobil Research And Engineering Company | Application of abnormal event detection technology to delayed coking unit |
US8448065B2 (en) * | 2006-06-07 | 2013-05-21 | Siemens Industry, Inc. | System and method for the editing and accessing real-time OPC data with text-based tags |
US7912676B2 (en) * | 2006-07-25 | 2011-03-22 | Fisher-Rosemount Systems, Inc. | Method and system for detecting abnormal operation in a process plant |
US7657399B2 (en) * | 2006-07-25 | 2010-02-02 | Fisher-Rosemount Systems, Inc. | Methods and systems for detecting deviation of a process variable from expected values |
US8145358B2 (en) * | 2006-07-25 | 2012-03-27 | Fisher-Rosemount Systems, Inc. | Method and system for detecting abnormal operation of a level regulatory control loop |
US8606544B2 (en) | 2006-07-25 | 2013-12-10 | Fisher-Rosemount Systems, Inc. | Methods and systems for detecting deviation of a process variable from expected values |
DE102007019636A1 (en) * | 2006-08-30 | 2008-03-13 | Bayer Technology Services Gmbh | Device for selecting a process to be carried out |
CN102789226B (en) * | 2006-09-28 | 2015-07-01 | 费舍-柔斯芒特系统股份有限公司 | Abnormal situation prevention in a heat exchanger |
EP2057518A2 (en) * | 2006-09-28 | 2009-05-13 | Fisher-Rosemount Systems, Inc. | Abnormal situation prevention in a coker heater |
US20080120060A1 (en) * | 2006-09-29 | 2008-05-22 | Fisher-Rosemount Systems, Inc. | Detection of catalyst losses in a fluid catalytic cracker for use in abnormal situation prevention |
US8014880B2 (en) * | 2006-09-29 | 2011-09-06 | Fisher-Rosemount Systems, Inc. | On-line multivariate analysis in a distributed process control system |
US20080188972A1 (en) * | 2006-10-11 | 2008-08-07 | Fisher-Rosemount Systems, Inc. | Method and System for Detecting Faults in a Process Plant |
US8032340B2 (en) | 2007-01-04 | 2011-10-04 | Fisher-Rosemount Systems, Inc. | Method and system for modeling a process variable in a process plant |
US8032341B2 (en) * | 2007-01-04 | 2011-10-04 | Fisher-Rosemount Systems, Inc. | Modeling a process using a composite model comprising a plurality of regression models |
US7827006B2 (en) * | 2007-01-31 | 2010-11-02 | Fisher-Rosemount Systems, Inc. | Heat exchanger fouling detection |
US8301676B2 (en) * | 2007-08-23 | 2012-10-30 | Fisher-Rosemount Systems, Inc. | Field device with capability of calculating digital filter coefficients |
US7702401B2 (en) | 2007-09-05 | 2010-04-20 | Fisher-Rosemount Systems, Inc. | System for preserving and displaying process control data associated with an abnormal situation |
US7930136B2 (en) * | 2007-10-02 | 2011-04-19 | Fisher-Rosemount Systems, Inc. | Simplified algorithm for abnormal situation prevention in load following applications |
US8055479B2 (en) | 2007-10-10 | 2011-11-08 | Fisher-Rosemount Systems, Inc. | Simplified algorithm for abnormal situation prevention in load following applications including plugged line diagnostics in a dynamic process |
US8175850B2 (en) * | 2008-11-26 | 2012-05-08 | General Electric Company | Monitoring system with dynamically configurable non-interfering signal processing |
CA2745428C (en) * | 2008-12-05 | 2018-06-26 | Fisher Controls International Llc | Method and apparatus for operating field devices via a portable communicator |
US9323234B2 (en) | 2009-06-10 | 2016-04-26 | Fisher-Rosemount Systems, Inc. | Predicted fault analysis |
US8571696B2 (en) * | 2009-06-10 | 2013-10-29 | Fisher-Rosemount Systems, Inc. | Methods and apparatus to predict process quality in a process control system |
US8862250B2 (en) | 2010-05-07 | 2014-10-14 | Exxonmobil Research And Engineering Company | Integrated expert system for identifying abnormal events in an industrial plant |
US20130173202A1 (en) * | 2011-12-30 | 2013-07-04 | Aktiebolaget Skf | Systems and Methods for Dynamic Prognostication of Machine Conditions for Rotational Motive Equipment |
WO2013102202A1 (en) | 2011-12-31 | 2013-07-04 | Aktiebolaget Skf | Systems and methods for energy efficient machine condition monitoring of fans, motors, pumps, compressors and other equipment |
JP5868784B2 (en) * | 2012-05-31 | 2016-02-24 | 横河電機株式会社 | Process monitoring system and method |
US9052701B1 (en) | 2012-08-14 | 2015-06-09 | Western Digitial Technologies, Inc. | Disk drive measuring a resonance mode by injecting sinusoids into a servo control system |
CN104020724B (en) * | 2013-03-01 | 2017-02-08 | 中芯国际集成电路制造(上海)有限公司 | alarm monitoring method and device |
US9558220B2 (en) | 2013-03-04 | 2017-01-31 | Fisher-Rosemount Systems, Inc. | Big data in process control systems |
US10649424B2 (en) * | 2013-03-04 | 2020-05-12 | Fisher-Rosemount Systems, Inc. | Distributed industrial performance monitoring and analytics |
US10386827B2 (en) * | 2013-03-04 | 2019-08-20 | Fisher-Rosemount Systems, Inc. | Distributed industrial performance monitoring and analytics platform |
US9086688B2 (en) | 2013-07-09 | 2015-07-21 | Fisher-Rosemount Systems, Inc. | State machine function block with user-definable actions on a transition between states |
US9863854B2 (en) * | 2013-08-02 | 2018-01-09 | General Electric Company | System and method for presenting information in an industrial monitoring system |
US8792202B1 (en) | 2013-08-29 | 2014-07-29 | Western Digital Technologies, Inc. | Disk drive adjusting rotation speed of disk to compensate for blind area when measuring frequency response of servo control system |
US8970979B1 (en) | 2013-12-18 | 2015-03-03 | Western Digital Technologies, Inc. | Disk drive determining frequency response of actuator near servo sample frequency |
US9665827B2 (en) * | 2014-04-29 | 2017-05-30 | Honeywell International Inc. | Apparatus and method for providing a generalized continuous performance indicator |
EP3188193A4 (en) * | 2014-08-29 | 2018-04-18 | Mitsubishi Electric Corporation | Excore nuclear instrumentation device |
JP2016081104A (en) * | 2014-10-10 | 2016-05-16 | 荏原環境プラント株式会社 | Process diagnosis support device |
US20190354096A1 (en) * | 2014-11-18 | 2019-11-21 | Machinesense, Llc | System for rule management, predictive maintenance and quality assurance of a process and machine using reconfigurable sensor networks and big data machine learning |
US10684030B2 (en) | 2015-03-05 | 2020-06-16 | Honeywell International Inc. | Wireless actuator service |
US20160292325A1 (en) * | 2015-03-30 | 2016-10-06 | Uop Llc | Advanced data cleansing system and method |
US10095200B2 (en) | 2015-03-30 | 2018-10-09 | Uop Llc | System and method for improving performance of a chemical plant with a furnace |
US20160292188A1 (en) * | 2015-03-30 | 2016-10-06 | Uop Llc | Data cleansing system and method for inferring a feed composition |
US9864823B2 (en) | 2015-03-30 | 2018-01-09 | Uop Llc | Cleansing system for a feed composition based on environmental factors |
US10180680B2 (en) * | 2015-03-30 | 2019-01-15 | Uop Llc | Tuning system and method for improving operation of a chemical plant with a furnace |
US9568842B2 (en) | 2015-04-27 | 2017-02-14 | United Microelectronics Corp. | Overlay operation method and overlay control method |
CN108139743B (en) | 2015-10-12 | 2021-10-29 | 费希尔-罗斯蒙特系统公司 | Binding of field device configuration to devices in a process plant using I/O abstraction |
JP6426652B2 (en) * | 2016-04-15 | 2018-11-21 | ファナック株式会社 | Digital control power supply and production management system |
US9953474B2 (en) | 2016-09-02 | 2018-04-24 | Honeywell International Inc. | Multi-level security mechanism for accessing a panel |
US10545487B2 (en) | 2016-09-16 | 2020-01-28 | Uop Llc | Interactive diagnostic system and method for managing process model analysis |
US10754359B2 (en) | 2017-03-27 | 2020-08-25 | Uop Llc | Operating slide valves in petrochemical plants or refineries |
US10678272B2 (en) | 2017-03-27 | 2020-06-09 | Uop Llc | Early prediction and detection of slide valve sticking in petrochemical plants or refineries |
US10670353B2 (en) | 2017-03-28 | 2020-06-02 | Uop Llc | Detecting and correcting cross-leakage in heat exchangers in a petrochemical plant or refinery |
US11396002B2 (en) | 2017-03-28 | 2022-07-26 | Uop Llc | Detecting and correcting problems in liquid lifting in heat exchangers |
US11037376B2 (en) | 2017-03-28 | 2021-06-15 | Uop Llc | Sensor location for rotating equipment in a petrochemical plant or refinery |
US10752844B2 (en) | 2017-03-28 | 2020-08-25 | Uop Llc | Rotating equipment in a petrochemical plant or refinery |
US10816947B2 (en) | 2017-03-28 | 2020-10-27 | Uop Llc | Early surge detection of rotating equipment in a petrochemical plant or refinery |
US10794644B2 (en) | 2017-03-28 | 2020-10-06 | Uop Llc | Detecting and correcting thermal stresses in heat exchangers in a petrochemical plant or refinery |
US10663238B2 (en) | 2017-03-28 | 2020-05-26 | Uop Llc | Detecting and correcting maldistribution in heat exchangers in a petrochemical plant or refinery |
US10670027B2 (en) | 2017-03-28 | 2020-06-02 | Uop Llc | Determining quality of gas for rotating equipment in a petrochemical plant or refinery |
US10752845B2 (en) | 2017-03-28 | 2020-08-25 | Uop Llc | Using molecular weight and invariant mapping to determine performance of rotating equipment in a petrochemical plant or refinery |
US10844290B2 (en) | 2017-03-28 | 2020-11-24 | Uop Llc | Rotating equipment in a petrochemical plant or refinery |
US10794401B2 (en) | 2017-03-28 | 2020-10-06 | Uop Llc | Reactor loop fouling monitor for rotating equipment in a petrochemical plant or refinery |
US10962302B2 (en) | 2017-03-28 | 2021-03-30 | Uop Llc | Heat exchangers in a petrochemical plant or refinery |
US11130111B2 (en) | 2017-03-28 | 2021-09-28 | Uop Llc | Air-cooled heat exchangers |
US10695711B2 (en) | 2017-04-28 | 2020-06-30 | Uop Llc | Remote monitoring of adsorber process units |
US11365886B2 (en) | 2017-06-19 | 2022-06-21 | Uop Llc | Remote monitoring of fired heaters |
US10913905B2 (en) | 2017-06-19 | 2021-02-09 | Uop Llc | Catalyst cycle length prediction using eigen analysis |
US10739798B2 (en) | 2017-06-20 | 2020-08-11 | Uop Llc | Incipient temperature excursion mitigation and control |
US10678224B2 (en) * | 2017-06-21 | 2020-06-09 | Fisher-Rosemount Systems, Inc. | Loop interface |
US11130692B2 (en) | 2017-06-28 | 2021-09-28 | Uop Llc | Process and apparatus for dosing nutrients to a bioreactor |
US10994240B2 (en) | 2017-09-18 | 2021-05-04 | Uop Llc | Remote monitoring of pressure swing adsorption units |
US11194317B2 (en) | 2017-10-02 | 2021-12-07 | Uop Llc | Remote monitoring of chloride treaters using a process simulator based chloride distribution estimate |
US11676061B2 (en) | 2017-10-05 | 2023-06-13 | Honeywell International Inc. | Harnessing machine learning and data analytics for a real time predictive model for a FCC pre-treatment unit |
US11105787B2 (en) | 2017-10-20 | 2021-08-31 | Honeywell International Inc. | System and method to optimize crude oil distillation or other processing by inline analysis of crude oil properties |
JP7025186B2 (en) * | 2017-11-30 | 2022-02-24 | アズビル株式会社 | Control device and monitoring method |
JP7028620B2 (en) * | 2017-11-30 | 2022-03-02 | アズビル株式会社 | Control device and monitoring method |
US10901403B2 (en) | 2018-02-20 | 2021-01-26 | Uop Llc | Developing linear process models using reactor kinetic equations |
US10734098B2 (en) | 2018-03-30 | 2020-08-04 | Uop Llc | Catalytic dehydrogenation catalyst health index |
US10953377B2 (en) | 2018-12-10 | 2021-03-23 | Uop Llc | Delta temperature control of catalytic dehydrogenation process reactors |
TWI791949B (en) * | 2019-03-15 | 2023-02-11 | 日商住友重機械工業股份有限公司 | Monitoring device, display device, monitoring method, and monitoring program |
US10832509B1 (en) | 2019-05-24 | 2020-11-10 | Ademco Inc. | Systems and methods of a doorbell device initiating a state change of an access control device and/or a control panel responsive to two-factor authentication |
US10789800B1 (en) | 2019-05-24 | 2020-09-29 | Ademco Inc. | Systems and methods for authorizing transmission of commands and signals to an access control device or a control panel device |
US11215967B2 (en) * | 2019-06-14 | 2022-01-04 | Honeywell International Inc. | Predictive troubleshooting for abnormal plant operations |
CN111983997B (en) * | 2020-08-31 | 2021-07-20 | 北京清大华亿科技有限公司 | Coupling analysis-based control loop performance monitoring method and system |
US11495114B2 (en) * | 2020-10-19 | 2022-11-08 | SparkCognition, Inc. | Alert similarity and label transfer |
JP7409343B2 (en) * | 2021-03-17 | 2024-01-09 | 横河電機株式会社 | Controller, control method and control program |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5654841A (en) * | 1995-07-07 | 1997-08-05 | Seagate Technology, Inc. | Detection of mechanical defects in a disc drive using injected test signals |
US5757748A (en) * | 1995-12-22 | 1998-05-26 | Pioneer Electronic Corporation | Automatic gain control apparatus for optical disc player |
US6134032A (en) * | 1999-04-02 | 2000-10-17 | Tyco Submarine Systems Ltd. | Method and apparatus for automatically identifying system faults in an optical communications system from repeater loop gain signatures |
US20040052526A1 (en) * | 2002-09-16 | 2004-03-18 | Jones Kevan Peter | Connection optimization and control in agile networks |
Family Cites Families (152)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4607325A (en) * | 1981-10-21 | 1986-08-19 | Honeywell Inc. | Discontinuous optimization procedure modelling the run-idle status of plural process components |
US4527271A (en) * | 1982-08-17 | 1985-07-02 | The Foxboro Company | Process control system with improved fault isolation |
US4734873A (en) * | 1984-02-02 | 1988-03-29 | Honeywell Inc. | Method of digital process variable transmitter calibration and a process variable transmitter system utilizing the same |
US4763243A (en) * | 1984-06-21 | 1988-08-09 | Honeywell Bull Inc. | Resilient bus system |
US4657179A (en) * | 1984-12-26 | 1987-04-14 | Honeywell Inc. | Distributed environmental/load control system |
US4908746A (en) | 1986-10-15 | 1990-03-13 | United States Data Corporation | Industrial control system |
US5043863A (en) | 1987-03-30 | 1991-08-27 | The Foxboro Company | Multivariable adaptive feedforward controller |
US5541833A (en) | 1987-03-30 | 1996-07-30 | The Foxboro Company | Multivariable feedforward adaptive controller |
US4885694A (en) * | 1987-04-29 | 1989-12-05 | Honeywell Inc. | Automated building control design system |
US5006992A (en) | 1987-09-30 | 1991-04-09 | Du Pont De Nemours And Company | Process control system with reconfigurable expert rules and control modules |
US4910691A (en) * | 1987-09-30 | 1990-03-20 | E.I. Du Pont De Nemours & Co. | Process control system with multiple module sequence options |
US4907167A (en) * | 1987-09-30 | 1990-03-06 | E. I. Du Pont De Nemours And Company | Process control system with action logging |
US4965742A (en) * | 1987-09-30 | 1990-10-23 | E. I. Du Pont De Nemours And Company | Process control system with on-line reconfigurable modules |
US5193143A (en) | 1988-01-12 | 1993-03-09 | Honeywell Inc. | Problem state monitoring |
US5488697A (en) | 1988-01-12 | 1996-01-30 | Honeywell Inc. | Problem state monitoring system |
US4853175A (en) * | 1988-03-10 | 1989-08-01 | The Babcock & Wilcox Company | Power plant interactive display |
US5050095A (en) | 1988-05-31 | 1991-09-17 | Honeywell Inc. | Neural network auto-associative memory with two rules for varying the weights |
US4941113A (en) * | 1988-06-15 | 1990-07-10 | Dundics Marton J | Computer monitoring and testing of automatic control system |
US4944035A (en) * | 1988-06-24 | 1990-07-24 | Honeywell Inc. | Measurement of thermal conductivity and specific heat |
US4956793A (en) * | 1988-06-24 | 1990-09-11 | Honeywell Inc. | Method and apparatus for measuring the density of fluids |
US5373452A (en) | 1988-09-02 | 1994-12-13 | Honeywell Inc. | Intangible sensor and method for making same |
US5008810A (en) | 1988-09-29 | 1991-04-16 | Process Modeling Investment Corp. | System for displaying different subsets of screen views, entering different amount of information, and determining correctness of input dependent upon current user input |
US5140530A (en) | 1989-03-28 | 1992-08-18 | Honeywell Inc. | Genetic algorithm synthesis of neural networks |
US5070458A (en) | 1989-03-31 | 1991-12-03 | Honeywell Inc. | Method of analyzing and predicting both airplane and engine performance characteristics |
US5015934A (en) | 1989-09-25 | 1991-05-14 | Honeywell Inc. | Apparatus and method for minimizing limit cycle using complementary filtering techniques |
US5187674A (en) | 1989-12-28 | 1993-02-16 | Honeywell Inc. | Versatile, overpressure proof, absolute pressure sensor |
US5442544A (en) | 1990-01-26 | 1995-08-15 | Honeywell Inc. | Single input single output rate optimal controller |
US5134574A (en) | 1990-02-27 | 1992-07-28 | The Foxboro Company | Performance control apparatus and method in a processing plant |
US5018215A (en) | 1990-03-23 | 1991-05-21 | Honeywell Inc. | Knowledge and model based adaptive signal processor |
US5068833A (en) * | 1990-04-11 | 1991-11-26 | Hewlett-Packard Company | Dynamic control circuit for multichannel system |
DE69122313T2 (en) | 1990-06-21 | 1997-03-20 | Honeywell Inc | Adaptive control based on a variable horizon with means for minimizing operating costs |
US5142612A (en) | 1990-08-03 | 1992-08-25 | E. I. Du Pont De Nemours & Co. (Inc.) | Computer neural network supervisory process control system and method |
US5167009A (en) | 1990-08-03 | 1992-11-24 | E. I. Du Pont De Nemours & Co. (Inc.) | On-line process control neural network using data pointers |
US5121467A (en) | 1990-08-03 | 1992-06-09 | E.I. Du Pont De Nemours & Co., Inc. | Neural network/expert system process control system and method |
US5282261A (en) | 1990-08-03 | 1994-01-25 | E. I. Du Pont De Nemours And Co., Inc. | Neural network process measurement and control |
US5197114A (en) | 1990-08-03 | 1993-03-23 | E. I. Du Pont De Nemours & Co., Inc. | Computer neural network regulatory process control system and method |
US5212765A (en) | 1990-08-03 | 1993-05-18 | E. I. Du Pont De Nemours & Co., Inc. | On-line training neural network system for process control |
US5224203A (en) | 1990-08-03 | 1993-06-29 | E. I. Du Pont De Nemours & Co., Inc. | On-line process control neural network using data pointers |
ES2112853T3 (en) | 1990-10-10 | 1998-04-16 | Honeywell Inc | IDENTIFICATION OF PROCESS SYSTEMS. |
DE69225723T2 (en) | 1991-01-22 | 1998-12-03 | Honeywell Inc | Two-stage system identification device with optimization |
US5291190A (en) | 1991-03-28 | 1994-03-01 | Combustion Engineering, Inc. | Operator interface for plant component control system |
US5161013A (en) | 1991-04-08 | 1992-11-03 | Honeywell Inc. | Data projection system with compensation for nonplanar screen |
US5189232A (en) | 1991-06-27 | 1993-02-23 | University Of Utah | Method of making jet fuel compositions via a dehydrocondensation reaction process |
US5333298A (en) | 1991-08-08 | 1994-07-26 | Honeywell Inc. | System for making data available to an outside software package by utilizing a data file which contains source and destination information |
AU3055992A (en) | 1991-10-23 | 1993-05-21 | Niagara Mohawk Power Corporation | On-line combustionless measurement of gaseous fuels fed to gas consumption devices |
US5396415A (en) | 1992-01-31 | 1995-03-07 | Honeywell Inc. | Neruo-pid controller |
US5398303A (en) | 1992-02-28 | 1995-03-14 | Yamatake-Honeywell Co., Ltd. | Fuzzy data processing method and data smoothing filter |
US5353207A (en) | 1992-06-10 | 1994-10-04 | Pavilion Technologies, Inc. | Residual activation neural network |
US5369599A (en) | 1992-08-04 | 1994-11-29 | Honeywell Inc. | Signal metric estimator |
US5692158A (en) | 1992-08-28 | 1997-11-25 | Abb Power T&D Company Inc. | Methods for generating models of non-linear systems and components and for evaluating parameters in relation to such non-linear models |
US5384698A (en) | 1992-08-31 | 1995-01-24 | Honeywell Inc. | Structured multiple-input multiple-output rate-optimal controller |
US5477444A (en) | 1992-09-14 | 1995-12-19 | Bhat; Naveen V. | Control system using an adaptive neural network for target and path optimization for a multivariable, nonlinear process |
JP2794142B2 (en) | 1992-09-14 | 1998-09-03 | 株式会社山武 | Information processing device |
US5729661A (en) | 1992-11-24 | 1998-03-17 | Pavilion Technologies, Inc. | Method and apparatus for preprocessing input data to a neural network |
CA2149913A1 (en) | 1992-11-24 | 1994-06-09 | James David Keeler | Method and apparatus for operating a neural network with missing and/or incomplete data |
JP2952124B2 (en) | 1992-11-25 | 1999-09-20 | 富士写真フイルム株式会社 | Photo processing machine failure diagnosis system |
US5311562A (en) | 1992-12-01 | 1994-05-10 | Westinghouse Electric Corp. | Plant maintenance with predictive diagnostics |
EP0674780B1 (en) | 1992-12-14 | 1998-10-21 | Honeywell Inc. | A flexible method for building a recipe in a process control system |
US5486996A (en) | 1993-01-22 | 1996-01-23 | Honeywell Inc. | Parameterized neurocontrollers |
US5351184A (en) | 1993-01-26 | 1994-09-27 | Honeywell Inc. | Method of multivariable predictive control utilizing range control |
DE69421305T2 (en) | 1993-02-15 | 2000-07-20 | Hitachi Ltd | Method and device for preventive maintenance of system components |
EP0687369A1 (en) | 1993-03-02 | 1995-12-20 | Pavilion Technologies Inc. | Method and apparatus for analyzing a neural network within desired operating parameter constraints |
US5390326A (en) | 1993-04-30 | 1995-02-14 | The Foxboro Company | Local area network with fault detection and recovery |
JP3147586B2 (en) | 1993-05-21 | 2001-03-19 | 株式会社日立製作所 | Plant monitoring and diagnosis method |
US5909541A (en) | 1993-07-14 | 1999-06-01 | Honeywell Inc. | Error detection and correction for data stored across multiple byte-wide memory devices |
CA2130277C (en) * | 1993-08-25 | 2004-03-30 | Bruce James Allison | Automatic refiner load control |
ZA947893B (en) | 1993-09-05 | 1995-05-24 | George Hans Lowe | An indicating system |
US5486920A (en) | 1993-10-01 | 1996-01-23 | Honeywell, Inc. | Laser gyro dither strippr gain correction method and apparatus |
US5408406A (en) | 1993-10-07 | 1995-04-18 | Honeywell Inc. | Neural net based disturbance predictor for model predictive control |
US5596704A (en) | 1993-11-11 | 1997-01-21 | Bechtel Group, Inc. | Process flow diagram generator |
JP2929259B2 (en) | 1993-12-27 | 1999-08-03 | 株式会社山武 | controller |
US5666297A (en) | 1994-05-13 | 1997-09-09 | Aspen Technology, Inc. | Plant simulation and optimization software apparatus and method using dual execution models |
US5461570A (en) | 1994-06-10 | 1995-10-24 | Johnson & Johnson Vision Products, Inc. | Computer system for quality control correlations |
US5533413A (en) | 1994-06-30 | 1996-07-09 | Yokogawa Electric Corporation | Equipment diagnosis system |
US5546301A (en) | 1994-07-19 | 1996-08-13 | Honeywell Inc. | Advanced equipment control system |
US5687090A (en) | 1994-09-01 | 1997-11-11 | Aspen Technology, Inc. | Polymer component characterization method and process simulation apparatus |
JPH08129415A (en) | 1994-10-31 | 1996-05-21 | Hitachi Ltd | Support system for analysis of plant failure |
US5704011A (en) | 1994-11-01 | 1997-12-30 | The Foxboro Company | Method and apparatus for providing multivariable nonlinear control |
US5570282A (en) | 1994-11-01 | 1996-10-29 | The Foxboro Company | Multivariable nonlinear process controller |
US5566065A (en) | 1994-11-01 | 1996-10-15 | The Foxboro Company | Method and apparatus for controlling multivariable nonlinear processes |
WO1996030843A1 (en) | 1995-03-31 | 1996-10-03 | Abb Power T & D Company Inc. | System for optimizing power network design reliability |
US5572420A (en) | 1995-04-03 | 1996-11-05 | Honeywell Inc. | Method of optimal controller design for multivariable predictive control utilizing range control |
US5574638A (en) | 1995-04-03 | 1996-11-12 | Lu; Zhuxin J. | Method of optimal scaling of variables in a multivariable predictive controller utilizing range control |
US5561599A (en) | 1995-06-14 | 1996-10-01 | Honeywell Inc. | Method of incorporating independent feedforward control in a multivariable predictive controller |
US5680409A (en) | 1995-08-11 | 1997-10-21 | Fisher-Rosemount Systems, Inc. | Method and apparatus for detecting and identifying faulty sensors in a process |
US6144952A (en) | 1995-09-20 | 2000-11-07 | Keeler; James D. | Predictive network with learned preprocessing parameters |
US6076124A (en) | 1995-10-10 | 2000-06-13 | The Foxboro Company | Distributed control system including a compact easily-extensible and serviceable field controller |
US6033257A (en) | 1995-11-20 | 2000-03-07 | The Foxboro Company | I/O connector module for a field controller in a distributed control system |
US6008985A (en) | 1995-11-20 | 1999-12-28 | The Foxboro Company | Industrial field controlling device with controller and expansion modules |
US5940290A (en) | 1995-12-06 | 1999-08-17 | Honeywell Inc. | Method of predictive maintenance of a process control system having fluid movement |
US6094600A (en) | 1996-02-06 | 2000-07-25 | Fisher-Rosemount Systems, Inc. | System and method for managing a transaction database of records of changes to field device configurations |
US5764891A (en) | 1996-02-15 | 1998-06-09 | Rosemount Inc. | Process I/O to fieldbus interface circuit |
US5761518A (en) | 1996-02-29 | 1998-06-02 | The Foxboro Company | System for replacing control processor by operating processor in partially disabled mode for tracking control outputs and in write enabled mode for transferring control loops |
US5819050A (en) | 1996-02-29 | 1998-10-06 | The Foxboro Company | Automatically configurable multi-purpose distributed control processor card for an industrial control system |
US5819232A (en) | 1996-03-22 | 1998-10-06 | E. I. Du Pont De Nemours And Company | Method and apparatus for inventory control of a manufacturing or distribution process |
US6539267B1 (en) | 1996-03-28 | 2003-03-25 | Rosemount Inc. | Device in a process system for determining statistical parameter |
US7085610B2 (en) | 1996-03-28 | 2006-08-01 | Fisher-Rosemount Systems, Inc. | Root cause diagnostics |
US6017143A (en) | 1996-03-28 | 2000-01-25 | Rosemount Inc. | Device in a process system for detecting events |
US5828851A (en) | 1996-04-12 | 1998-10-27 | Fisher-Rosemount Systems, Inc. | Process control system using standard protocol control of standard devices and nonstandard devices |
US5768119A (en) | 1996-04-12 | 1998-06-16 | Fisher-Rosemount Systems, Inc. | Process control system including alarm priority adjustment |
US5877954A (en) | 1996-05-03 | 1999-03-02 | Aspen Technology, Inc. | Hybrid linear-neural network process control |
US5809490A (en) | 1996-05-03 | 1998-09-15 | Aspen Technology Inc. | Apparatus and method for selecting a working data set for model development |
US6110214A (en) | 1996-05-03 | 2000-08-29 | Aspen Technology, Inc. | Analyzer for modeling and optimizing maintenance operations |
US6047221A (en) | 1997-10-03 | 2000-04-04 | Pavilion Technologies, Inc. | Method for steady-state identification based upon identified dynamics |
US5742513A (en) | 1996-05-15 | 1998-04-21 | Abb Power T&D Company Inc. | Methods and systems for automatic testing of a relay |
US5805442A (en) | 1996-05-30 | 1998-09-08 | Control Technology Corporation | Distributed interface architecture for programmable industrial control systems |
US5918233A (en) | 1996-05-30 | 1999-06-29 | The Foxboro Company | Methods and systems for providing electronic documentation to users of industrial process control systems |
US5715158A (en) | 1996-05-31 | 1998-02-03 | Abb Industrial Systems, Inc. | Method and apparatus for controlling an extended process |
US5984502A (en) | 1996-06-14 | 1999-11-16 | The Foxboro Company | Keypad annunciator graphical user interface |
US5949417A (en) | 1997-01-31 | 1999-09-07 | The Foxboro Company | Dynamic property sheet system |
US5907701A (en) | 1996-06-14 | 1999-05-25 | The Foxboro Company | Management of computer processes having differing operational parameters through an ordered multi-phased startup of the computer processes |
US5847952A (en) | 1996-06-28 | 1998-12-08 | Honeywell Inc. | Nonlinear-approximator-based automatic tuner |
US5777872A (en) | 1996-09-13 | 1998-07-07 | Honeywell-Measurex Corporation | Method and system for controlling a multiple input/output process with minimum latency |
US5796609A (en) | 1996-09-13 | 1998-08-18 | Honeywell-Measurex Corporation | Method and apparatus for internal model control using a state variable feedback signal |
US5892679A (en) | 1996-09-13 | 1999-04-06 | Honeywell-Measurex Corporation | Method and system for controlling a multiple input/output process with minimum latency using a pseudo inverse constant |
US5898869A (en) | 1996-09-20 | 1999-04-27 | The Foxboro Company | Method and system for PCMCIA card boot from dual-ported memory |
US5960441A (en) | 1996-09-24 | 1999-09-28 | Honeywell Inc. | Systems and methods for providing dynamic data referencing in a generic data exchange environment |
US6041263A (en) | 1996-10-01 | 2000-03-21 | Aspen Technology, Inc. | Method and apparatus for simulating and optimizing a plant model |
US5970430A (en) | 1996-10-04 | 1999-10-19 | Fisher Controls International, Inc. | Local device and process diagnostics in a process control network having distributed control functions |
US5892939A (en) | 1996-10-07 | 1999-04-06 | Honeywell Inc. | Emulator for visual display object files and method of operation thereof |
US5859964A (en) | 1996-10-25 | 1999-01-12 | Advanced Micro Devices, Inc. | System and method for performing real time data acquisition, process modeling and fault detection of wafer fabrication processes |
US5909586A (en) | 1996-11-06 | 1999-06-01 | The Foxboro Company | Methods and systems for interfacing with an interface powered I/O device |
US5905989A (en) | 1996-11-27 | 1999-05-18 | Bently Nevada Corporation | Knowledge manager relying on a hierarchical default expert system: apparatus and method |
US5948101A (en) | 1996-12-02 | 1999-09-07 | The Foxboro Company | Methods and systems for booting a computer in a distributed computing system |
CN1138193C (en) | 1996-12-31 | 2004-02-11 | 罗斯蒙德公司 | Device in process system for validating control signal from from field device |
US6078843A (en) | 1997-01-24 | 2000-06-20 | Honeywell Inc. | Neural network including input normalization for use in a closed loop control system |
US6067505A (en) | 1997-04-10 | 2000-05-23 | The Foxboro Company | Method and apparatus for self-calibration of a coordinated control system for an electric power generating station |
US6055483A (en) | 1997-05-05 | 2000-04-25 | Honeywell, Inc. | Systems and methods using bridge models to globally optimize a process facility |
US6122555A (en) | 1997-05-05 | 2000-09-19 | Honeywell International Inc. | System and methods for globally optimizing a process facility |
US6106785A (en) | 1997-06-30 | 2000-08-22 | Honeywell Inc. | Polymerization process controller |
DE19732046A1 (en) | 1997-07-25 | 1999-01-28 | Abb Patent Gmbh | Process diagnostic system and method for diagnosing processes and states of a technical process |
US5901058A (en) | 1997-08-22 | 1999-05-04 | Honeywell Inc. | System and methods for achieving heterogeneous data flow between algorithm blocks in a distributed control system |
US5988847A (en) | 1997-08-22 | 1999-11-23 | Honeywell Inc. | Systems and methods for implementing a dynamic cache in a supervisory control system |
US6282454B1 (en) | 1997-09-10 | 2001-08-28 | Schneider Automation Inc. | Web interface to a programmable controller |
US6128279A (en) | 1997-10-06 | 2000-10-03 | Web Balance, Inc. | System for balancing loads among network servers |
US5909370A (en) | 1997-12-22 | 1999-06-01 | Honeywell Inc. | Method of predicting overshoot in a control system response |
US6093211A (en) | 1998-04-09 | 2000-07-25 | Aspen Technology, Inc. | Polymer property distribution functions methodology and simulators |
FI114745B (en) | 1998-06-01 | 2004-12-15 | Metso Automation Oy | Control systems for field devices |
FI108678B (en) | 1998-06-17 | 2002-02-28 | Neles Controls Oy | Control systems for field devices |
US6332110B1 (en) | 1998-12-17 | 2001-12-18 | Perlorica, Inc. | Method for monitoring advanced separation and/or ion exchange processes |
US6975219B2 (en) | 2001-03-01 | 2005-12-13 | Fisher-Rosemount Systems, Inc. | Enhanced hart device alerts in a process control system |
US8044793B2 (en) | 2001-03-01 | 2011-10-25 | Fisher-Rosemount Systems, Inc. | Integrated device alerts in a process control system |
US7562135B2 (en) | 2000-05-23 | 2009-07-14 | Fisher-Rosemount Systems, Inc. | Enhanced fieldbus device alerts in a process control system |
US6298454B1 (en) | 1999-02-22 | 2001-10-02 | Fisher-Rosemount Systems, Inc. | Diagnostics in a process control system |
US7206646B2 (en) | 1999-02-22 | 2007-04-17 | Fisher-Rosemount Systems, Inc. | Method and apparatus for performing a function in a plant using process performance monitoring with process equipment monitoring and control |
US6633782B1 (en) | 1999-02-22 | 2003-10-14 | Fisher-Rosemount Systems, Inc. | Diagnostic expert in a process control system |
US6445963B1 (en) * | 1999-10-04 | 2002-09-03 | Fisher Rosemount Systems, Inc. | Integrated advanced control blocks in process control systems |
US6421571B1 (en) | 2000-02-29 | 2002-07-16 | Bently Nevada Corporation | Industrial plant asset management system: apparatus and method |
US6564158B1 (en) * | 2000-08-17 | 2003-05-13 | Holaday Industries, Inc. | Broadband electromagnetic field component measurement system |
CN1310106C (en) | 2001-03-01 | 2007-04-11 | 费舍-柔斯芒特系统股份有限公司 | Remote analysis of process control plant data |
US7162534B2 (en) | 2001-07-10 | 2007-01-09 | Fisher-Rosemount Systems, Inc. | Transactional data communications for process control systems |
US7029596B2 (en) * | 2002-12-02 | 2006-04-18 | Taiwan Semiconductor Manufacturing Co., Ltd. | Computer integrated manufacturing control system for oxide chemical mechanical polishing |
-
2005
- 2005-06-09 WO PCT/US2005/020388 patent/WO2005124491A1/en active Application Filing
- 2005-06-09 CN CN200580019273XA patent/CN1969239B/en active Active
- 2005-06-09 US US11/149,001 patent/US7660701B2/en active Active
- 2005-06-09 JP JP2007527748A patent/JP2008503012A/en not_active Withdrawn
- 2005-06-09 RU RU2007101229/09A patent/RU2007101229A/en not_active Application Discontinuation
- 2005-06-09 CA CA002567139A patent/CA2567139A1/en not_active Abandoned
- 2005-06-09 EP EP05760228.6A patent/EP1766484B1/en active Active
- 2005-06-09 BR BRPI0511928-6A patent/BRPI0511928A/en not_active Application Discontinuation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5654841A (en) * | 1995-07-07 | 1997-08-05 | Seagate Technology, Inc. | Detection of mechanical defects in a disc drive using injected test signals |
US5757748A (en) * | 1995-12-22 | 1998-05-26 | Pioneer Electronic Corporation | Automatic gain control apparatus for optical disc player |
US6134032A (en) * | 1999-04-02 | 2000-10-17 | Tyco Submarine Systems Ltd. | Method and apparatus for automatically identifying system faults in an optical communications system from repeater loop gain signatures |
US20040052526A1 (en) * | 2002-09-16 | 2004-03-18 | Jones Kevan Peter | Connection optimization and control in agile networks |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2432431A (en) * | 2005-11-18 | 2007-05-23 | Agilent Technologies Inc | Error measurement in a closed loop control system |
WO2008005118A3 (en) * | 2006-06-30 | 2008-04-17 | Fisher Controls Int | Computerized evaluation of process control device signature graphs |
US7478012B2 (en) | 2006-06-30 | 2009-01-13 | Fisher Controls International Llc | Computerized evaluation of valve signature graphs |
CN101484856B (en) * | 2006-06-30 | 2012-04-18 | 费希尔控制产品国际有限公司 | Computerized evaluation of process control device signature graphs |
ITCO20120008A1 (en) * | 2012-03-01 | 2013-09-02 | Nuovo Pignone Srl | METHOD AND SYSTEM FOR MONITORING THE CONDITION OF A GROUP OF PLANTS |
WO2013127958A1 (en) * | 2012-03-01 | 2013-09-06 | Nuovo Pignone Srl | Method and system for condition monitoring of a group of plants |
CN104254810A (en) * | 2012-03-01 | 2014-12-31 | 诺沃皮尼奥内股份有限公司 | Method and system for condition monitoring of a group of plants |
US9274520B2 (en) | 2012-03-01 | 2016-03-01 | Nuovo Pignone Srl | Method and system for condition monitoring of a group of plants |
RU2636095C2 (en) * | 2012-03-01 | 2017-11-20 | Нуово Пиньоне СРЛ | Method and system for monitoring status of plant group |
US9921577B2 (en) | 2012-03-01 | 2018-03-20 | Nuovo Pignone Srl | Method and system for diagnostic rules for heavy duty gas turbines |
US10088839B2 (en) | 2012-03-01 | 2018-10-02 | Nuovo Pignone Srl | Method and system for real-time performance degradation advisory for centrifugal compressors |
CN103699011A (en) * | 2013-12-10 | 2014-04-02 | 沈阳工大电器设备有限公司 | Composite type predictive control algorithm applied to automatic matching in carbon plant |
Also Published As
Publication number | Publication date |
---|---|
CN1969239A (en) | 2007-05-23 |
CA2567139A1 (en) | 2005-12-29 |
BRPI0511928A (en) | 2008-01-22 |
JP2008503012A (en) | 2008-01-31 |
EP1766484B1 (en) | 2013-08-07 |
RU2007101229A (en) | 2008-07-20 |
US20060020423A1 (en) | 2006-01-26 |
CN1969239B (en) | 2011-08-03 |
EP1766484A1 (en) | 2007-03-28 |
US7660701B2 (en) | 2010-02-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP1766484B1 (en) | System and method for detecting an abnormal situation associated with a process gain of a control loop | |
US7912676B2 (en) | Method and system for detecting abnormal operation in a process plant | |
US7966149B2 (en) | Multivariate detection of transient regions in a process control system | |
EP2115608B1 (en) | Heat exchanger fouling detection | |
EP2067085B1 (en) | Method and system for detecting abnormal operation in a hydrocracker | |
US7778797B2 (en) | Method and system for detecting abnormal operation in a stirred vessel | |
US8032341B2 (en) | Modeling a process using a composite model comprising a plurality of regression models | |
US8606544B2 (en) | Methods and systems for detecting deviation of a process variable from expected values | |
US8145358B2 (en) | Method and system for detecting abnormal operation of a level regulatory control loop | |
US8032340B2 (en) | Method and system for modeling a process variable in a process plant | |
US20080188972A1 (en) | Method and System for Detecting Faults in a Process Plant | |
EP2392982A2 (en) | Abnormal situation prevention in a heat exchanger | |
US20080082295A1 (en) | Abnormal situation prevention in a coker heater | |
WO2008014341A1 (en) | Methods and systems for detecting deviation of a process variable from expected values |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KM KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NG NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SM SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 6816/DELNP/2006 Country of ref document: IN |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2567139 Country of ref document: CA |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2007527748 Country of ref document: JP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 200580019273.X Country of ref document: CN |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWW | Wipo information: withdrawn in national office |
Ref document number: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2005760228 Country of ref document: EP Ref document number: 2007101229 Country of ref document: RU |
|
WWP | Wipo information: published in national office |
Ref document number: 2005760228 Country of ref document: EP |
|
ENP | Entry into the national phase |
Ref document number: PI0511928 Country of ref document: BR |