IL141448A0 - Method for detecting abnormalities in flow rate in pressure-type flow controller - Google Patents

Method for detecting abnormalities in flow rate in pressure-type flow controller

Info

Publication number
IL141448A0
IL141448A0 IL14144800A IL14144800A IL141448A0 IL 141448 A0 IL141448 A0 IL 141448A0 IL 14144800 A IL14144800 A IL 14144800A IL 14144800 A IL14144800 A IL 14144800A IL 141448 A0 IL141448 A0 IL 141448A0
Authority
IL
Israel
Prior art keywords
flow rate
pressure
testing
amplitude
signal
Prior art date
Application number
IL14144800A
Other languages
English (en)
Inventor
Tadahiro Ohmi
Seiichi Iida
Original Assignee
Fujikin Kk
Tokyo Electron Ltd
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
Application filed by Fujikin Kk, Tokyo Electron Ltd filed Critical Fujikin Kk
Publication of IL141448A0 publication Critical patent/IL141448A0/xx

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
    • G05B23/0224—Process history based detection method, e.g. whereby history implies the availability of large amounts of data
    • G05B23/0227—Qualitative history assessment, whereby the type of data acted upon, e.g. waveforms, images or patterns, is not relevant, e.g. rule based assessment; if-then decisions
    • G05B23/0235—Qualitative history assessment, whereby the type of data acted upon, e.g. waveforms, images or patterns, is not relevant, e.g. rule based assessment; if-then decisions based on a comparison with predetermined threshold or range, e.g. "classical methods", carried out during normal operation; threshold adaptation or choice; when or how to compare with the threshold
    • 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
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/20—Excess-flow valves
    • F16K17/22—Excess-flow valves actuated by the difference of pressure between two places in the flow line
    • 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
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D7/00—Control of flow
    • G05D7/06—Control of flow characterised by the use of electric means
    • G05D7/0617—Control of flow characterised by the use of electric means specially adapted for fluid materials
    • G05D7/0629—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means
    • G05D7/0635—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means by action on throttling means
    • 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
    • Y10T137/0396—Involving pressure control
    • 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
    • Y10T137/7759—Responsive to change in rate of fluid flow
    • 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
    • Y10T137/8326—Fluid pressure responsive indicator, recorder or alarm
IL14144800A 1999-08-10 2000-07-27 Method for detecting abnormalities in flow rate in pressure-type flow controller IL141448A0 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP22602399A JP3554509B2 (ja) 1999-08-10 1999-08-10 圧力式流量制御装置における流量異常検知方法
PCT/JP2000/005043 WO2001013191A1 (en) 1999-08-10 2000-07-27 Method for detecting abnormal flow rate for pressure flow rate controller

Publications (1)

Publication Number Publication Date
IL141448A0 true IL141448A0 (en) 2002-03-10

Family

ID=16838585

Family Applications (1)

Application Number Title Priority Date Filing Date
IL14144800A IL141448A0 (en) 1999-08-10 2000-07-27 Method for detecting abnormalities in flow rate in pressure-type flow controller

Country Status (11)

Country Link
US (1) US6450190B2 (xx)
EP (1) EP1126347B1 (xx)
JP (1) JP3554509B2 (xx)
KR (1) KR100432632B1 (xx)
CN (2) CN1156738C (xx)
AT (1) ATE373257T1 (xx)
CA (1) CA2345097C (xx)
DE (1) DE60036362T2 (xx)
IL (1) IL141448A0 (xx)
TW (1) TW463076B (xx)
WO (1) WO2001013191A1 (xx)

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US20030234047A1 (en) * 2002-06-24 2003-12-25 Ali Shajii Apparatus and method for dual processor mass flow controller
US6810308B2 (en) 2002-06-24 2004-10-26 Mks Instruments, Inc. Apparatus and method for mass flow controller with network access to diagnostics
US20030234045A1 (en) * 2002-06-24 2003-12-25 Ali Shajii Apparatus and method for mass flow controller with on-line diagnostics
US7136767B2 (en) * 2002-06-24 2006-11-14 Mks Instruments, Inc. Apparatus and method for calibration of mass flow controller
US6712084B2 (en) * 2002-06-24 2004-03-30 Mks Instruments, Inc. Apparatus and method for pressure fluctuation insensitive mass flow control
US6948508B2 (en) 2002-06-24 2005-09-27 Mks Instruments, Inc. Apparatus and method for self-calibration of mass flow controller
US7552015B2 (en) * 2002-06-24 2009-06-23 Mks Instruments, Inc. Apparatus and method for displaying mass flow controller pressure
US7004191B2 (en) * 2002-06-24 2006-02-28 Mks Instruments, Inc. Apparatus and method for mass flow controller with embedded web server
US6868862B2 (en) * 2002-06-24 2005-03-22 Mks Instruments, Inc. Apparatus and method for mass flow controller with a plurality of closed loop control code sets
GB2419958B8 (en) * 2002-06-24 2008-09-03 Mks Instr Inc Mass flow controller
US7809473B2 (en) 2002-06-24 2010-10-05 Mks Instruments, Inc. Apparatus and method for pressure fluctuation insensitive mass flow control
KR20050031109A (ko) * 2002-07-19 2005-04-01 셀레리티 그룹 아이엔씨 질량 유량 제어기 내의 압력 보상을 위한 방법 및 장치
US20040084087A1 (en) * 2002-10-30 2004-05-06 Sanfilippo John E. Apparatus and method for controlling and distributing gas flow
DE10257910B3 (de) * 2002-12-11 2004-08-12 Siemens Ag Verfahren zur Überwachung einer Rohrleitung sowie Stellungsregler für ein Regelventil
WO2004088190A1 (en) * 2003-04-01 2004-10-14 Monatec Pty Ltd Valve monitoring method and arrangement
TWI336914B (en) 2003-09-26 2011-02-01 Sumitomo Chemical Co Method for evaluating solution for coating film for semiconductor
US6972544B2 (en) * 2003-10-14 2005-12-06 Black & Decker Inc. Apparatus for interconnecting battery cells in a battery pack and method thereof
JP4086057B2 (ja) * 2004-06-21 2008-05-14 日立金属株式会社 質量流量制御装置及びこの検定方法
US7216019B2 (en) * 2004-07-08 2007-05-08 Celerity, Inc. Method and system for a mass flow controller with reduced pressure sensitivity
US7198206B2 (en) * 2004-08-02 2007-04-03 Clear Lam, Inc. Compact gassing lance
US20060213153A1 (en) * 2005-03-03 2006-09-28 Sanfilippo James J Device and system for modified atmosphere packaging
US20060196541A1 (en) * 2005-03-04 2006-09-07 David Gerken Control of fluid conditions in bulk fluid distribution systems
US9921089B2 (en) 2005-06-27 2018-03-20 Fujikin Incorporated Flow rate range variable type flow rate control apparatus
JP4856905B2 (ja) * 2005-06-27 2012-01-18 国立大学法人東北大学 流量レンジ可変型流量制御装置
US9383758B2 (en) 2005-06-27 2016-07-05 Fujikin Incorporated Flow rate range variable type flow rate control apparatus
KR100725098B1 (ko) * 2005-11-17 2007-06-04 삼성전자주식회사 반도체 제조설비의 유량조절기 오동작 감지장치 및 그 방법
JP4820698B2 (ja) * 2006-07-03 2011-11-24 株式会社フジキン 圧力式流量制御装置の絞り機構下流側バルブの作動異常検出方法
JP4112594B2 (ja) * 2006-07-27 2008-07-02 ファナック株式会社 減速機異常診断方法及び減速機異常診断装置
US7880624B2 (en) * 2008-01-08 2011-02-01 Baxter International Inc. System and method for detecting occlusion using flow sensor output
JP5216632B2 (ja) * 2009-03-03 2013-06-19 東京エレクトロン株式会社 流体制御装置
WO2011027663A1 (ja) * 2009-09-04 2011-03-10 大陽日酸株式会社 太陽電池用セレン化水素混合ガスの供給方法及び供給装置
GB2484957A (en) * 2010-10-28 2012-05-02 Autoflame Eng Ltd Burner control with stored values for valve settings and pressures
JP5605969B2 (ja) * 2011-05-10 2014-10-15 株式会社フジキン 流量モニタ付圧力式流量制御装置と、これを用いた流体供給系の異常検出方法並びにモニタ流量異常時の処置方法
US9454158B2 (en) 2013-03-15 2016-09-27 Bhushan Somani Real time diagnostics for flow controller systems and methods
CN103697214B (zh) * 2013-12-23 2017-02-08 沃尔达环境技术江苏股份有限公司 一种智慧阀门及其控制方法
FR3031388B1 (fr) * 2015-01-05 2017-08-04 Soc De Construction D’Equipement De Mecanisations Et De Machines Scemm Systeme de detection d'une obtruction partielle ou totale d'au moins une canalisation interne d'un outil
KR102028372B1 (ko) * 2015-09-24 2019-10-04 가부시키가이샤 후지킨 압력식 유량 제어 장치 및 그 이상 검지 방법
US10884436B2 (en) 2015-10-28 2021-01-05 Fujikin Incorporated Flow rate signal correction method and flow rate control device employing same
CN108369425B (zh) * 2015-12-25 2021-03-02 株式会社富士金 流量控制装置以及使用流量控制装置的异常检测方法
JP6706121B2 (ja) * 2016-03-30 2020-06-03 株式会社フジキン 圧力制御装置および圧力制御システム
US10983537B2 (en) 2017-02-27 2021-04-20 Flow Devices And Systems Inc. Systems and methods for flow sensor back pressure adjustment for mass flow controller
US20240025726A1 (en) * 2022-07-19 2024-01-25 7-Eleven, Inc. Anomaly detection during fuel dispensing operations
US20240025727A1 (en) * 2022-07-19 2024-01-25 7-Eleven, Inc. Anomaly detection during fuel dispensing operations using fuel volume determinations

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Also Published As

Publication number Publication date
JP2001051724A (ja) 2001-02-23
TW463076B (en) 2001-11-11
ATE373257T1 (de) 2007-09-15
KR100432632B1 (ko) 2004-05-22
CN1156738C (zh) 2004-07-07
CN1282848C (zh) 2006-11-01
CN1506607A (zh) 2004-06-23
US6450190B2 (en) 2002-09-17
EP1126347B1 (en) 2007-09-12
DE60036362D1 (de) 2007-10-25
CA2345097A1 (en) 2001-02-22
CA2345097C (en) 2004-05-11
EP1126347A4 (en) 2004-11-03
DE60036362T2 (de) 2008-06-12
US20020005785A1 (en) 2002-01-17
EP1126347A1 (en) 2001-08-22
KR20010074890A (ko) 2001-08-09
JP3554509B2 (ja) 2004-08-18
WO2001013191A1 (en) 2001-02-22
CN1320230A (zh) 2001-10-31

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