BR9812568A - Unidade de teste de diagnóstico, válvula de controle, e, processo para determinar um parâmetro de dispositivo associado a um dispositivo de controle de processo - Google Patents

Unidade de teste de diagnóstico, válvula de controle, e, processo para determinar um parâmetro de dispositivo associado a um dispositivo de controle de processo

Info

Publication number
BR9812568A
BR9812568A BR9812568A BR9812568A BR9812568A BR 9812568 A BR9812568 A BR 9812568A BR 9812568 A BR9812568 A BR 9812568A BR 9812568 A BR9812568 A BR 9812568A BR 9812568 A BR9812568 A BR 9812568A
Authority
BR
Brazil
Prior art keywords
signal
diagnostic test
response
process control
control device
Prior art date
Application number
BR9812568A
Other languages
English (en)
Other versions
BRPI9812568B1 (pt
Inventor
Bruce F Grumstrup
Kenneth W Junk
Jimmie L Barger
Eugene R Taylor Jr
Original Assignee
Fisher Controls Int
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25471483&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR9812568(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Fisher Controls Int filed Critical Fisher Controls Int
Publication of BR9812568A publication Critical patent/BR9812568A/pt
Publication of BRPI9812568B1 publication Critical patent/BRPI9812568B1/pt

Links

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
    • G05B23/0256—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 injecting test signals and analyzing monitored process response, e.g. injecting the test signal while interrupting the normal operation of the monitored system; superimposing the test signal onto a control signal during normal operation of the monitored system
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
    • F16K37/0083—For recording or indicating the functioning of a valve in combination with test equipment by measuring valve parameters
    • 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
    • G05B21/00—Systems involving sampling of the variable controlled
    • G05B21/02—Systems involving sampling of the variable controlled electric
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/0318—Processes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7287—Liquid level responsive or maintaining systems
    • Y10T137/7306—Electrical characteristic sensing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7758—Pilot or servo controlled
    • Y10T137/7761—Electrically actuated valve
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8158—With indicator, register, recorder, alarm or inspection means

Abstract

"UNIDADE DE TESTE DE DIAGNóSTICO, VáLVULA DE CONTROLE, E, PROCESSO PARA DETERMINAR UM PARâMETRO DE DISPOSITIVO ASSOCIADO A UM DISPOSITIVO DE CONTROLE DE PROCESSO". Uma unidade de teste de diagnóstico para medir deterministicamente um ou mais parâmetros, tal como faixa morta, tempo morto, tempo de resposta, ganho ou sobreoscilação, de um dispositivo de controle de processo que está conectado a uma malha de controle de processo durante a operação de um processo, inclui um controlador comutador, um gerador de sinal, um comutador, um mecanismo acumulador de resposta e um mecanismo analisador. O controlador comutador monitora um sinal de processo durante a operação do processo para determinar se o sinal de processo é substancialmente estável. No caso em que o sinal de processo seja substancialmente estável, o comutador substitui um sinal de controle por um sinal de teste de diagnóstico gerado pelo gerador de sinal. O acumulador de resposta está em comunicação com a malha de controle de processo para obter uma indicação da resposta do dispositivo de controle de processo para o sinal de teste de diagnóstico. A unidade analisadora determina, então, o parâmetro do dispositivo a partir do sinal de teste e da indicação de resposta.
BRPI9812568-0A 1997-09-29 1998-09-17 Unidade de teste de diagnóstico, válvula de controle, e, processo para determinar um parâmetro de dispositivo associado a um dispositivo de controle de processo BRPI9812568B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/938,459 US6192321B1 (en) 1997-09-29 1997-09-29 Method of and apparatus for deterministically obtaining measurements
PCT/US1998/019430 WO1999017042A1 (en) 1997-09-29 1998-09-17 Method of and apparatus for deterministically obtaining measurements of a process control device parameter while a process is operating on-line

Publications (2)

Publication Number Publication Date
BR9812568A true BR9812568A (pt) 2000-08-01
BRPI9812568B1 BRPI9812568B1 (pt) 2015-03-31

Family

ID=25471483

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI9812568-0A BRPI9812568B1 (pt) 1997-09-29 1998-09-17 Unidade de teste de diagnóstico, válvula de controle, e, processo para determinar um parâmetro de dispositivo associado a um dispositivo de controle de processo

Country Status (10)

Country Link
US (1) US6192321B1 (pt)
EP (1) EP1019649B1 (pt)
JP (1) JP4279988B2 (pt)
CN (1) CN1175330C (pt)
AR (1) AR015463A1 (pt)
AU (1) AU9395698A (pt)
BR (1) BRPI9812568B1 (pt)
CA (1) CA2304518C (pt)
DE (1) DE69832404T2 (pt)
WO (1) WO1999017042A1 (pt)

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Also Published As

Publication number Publication date
CA2304518C (en) 2006-07-25
WO1999017042A1 (en) 1999-04-08
CN1175330C (zh) 2004-11-10
BRPI9812568B1 (pt) 2015-03-31
EP1019649A1 (en) 2000-07-19
AR015463A1 (es) 2001-05-02
EP1019649B1 (en) 2005-11-16
CN1280659A (zh) 2001-01-17
DE69832404D1 (de) 2005-12-22
CA2304518A1 (en) 1999-04-08
DE69832404T2 (de) 2006-07-13
AU9395698A (en) 1999-04-23
JP2001518599A (ja) 2001-10-16
US6192321B1 (en) 2001-02-20
JP4279988B2 (ja) 2009-06-17

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