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DE69731824D1 - Kühlanlage mit einer fuzzylogik für flüssigkeitsniveauregelung - Google Patents

Kühlanlage mit einer fuzzylogik für flüssigkeitsniveauregelung

Info

Publication number
DE69731824D1
DE69731824D1 DE69731824T DE69731824T DE69731824D1 DE 69731824 D1 DE69731824 D1 DE 69731824D1 DE 69731824 T DE69731824 T DE 69731824T DE 69731824 T DE69731824 T DE 69731824T DE 69731824 D1 DE69731824 D1 DE 69731824D1
Authority
DE
Germany
Prior art keywords
fuzzylogik
liquid level
cooling system
level control
control
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69731824T
Other languages
English (en)
Other versions
DE69731824T2 (de
Inventor
K Beaverson
N Shores
P Wueschinski
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
York International Corp
Original Assignee
York International Corp
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 York International Corp filed Critical York International Corp
Application granted granted Critical
Publication of DE69731824D1 publication Critical patent/DE69731824D1/de
Publication of DE69731824T2 publication Critical patent/DE69731824T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/31—Expansion valves
    • F25B41/34—Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/31—Expansion valves
    • F25B41/315—Expansion valves actuated by floats
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/26—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
    • G01F23/263—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
    • G01F23/266—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors measuring circuits therefor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/80—Arrangements for signal processing
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/80—Arrangements for signal processing
    • G01F23/802—Particular electronic circuits for digital processing equipment
    • 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
    • G05B13/0265—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric the criterion being a learning criterion
    • G05B13/0275—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric the criterion being a learning criterion using fuzzy logic only
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
    • G05D9/02—Level control, e.g. controlling quantity of material stored in vessel without auxiliary power
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
    • G05D9/12—Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/04—Refrigerant level
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Artificial Intelligence (AREA)
  • Automation & Control Theory (AREA)
  • Signal Processing (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Power Engineering (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Medical Informatics (AREA)
  • Evolutionary Computation (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Health & Medical Sciences (AREA)
  • Mathematical Physics (AREA)
  • Fuzzy Systems (AREA)
  • Electromagnetism (AREA)
  • Feedback Control In General (AREA)
  • Control Of Non-Electrical Variables (AREA)
  • Air Conditioning Control Device (AREA)
  • Sorption Type Refrigeration Machines (AREA)
DE69731824T 1996-04-12 1997-04-11 Kühlanlage mit einer fuzzylogik für flüssigkeitsniveauregelung Expired - Lifetime DE69731824T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US1534796P 1996-04-12 1996-04-12
US15347 1996-04-12
PCT/US1997/006023 WO1997039285A1 (en) 1996-04-12 1997-04-11 Fuzzy logic liquid level control

Publications (2)

Publication Number Publication Date
DE69731824D1 true DE69731824D1 (de) 2005-01-05
DE69731824T2 DE69731824T2 (de) 2005-12-15

Family

ID=21770871

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69731824T Expired - Lifetime DE69731824T2 (de) 1996-04-12 1997-04-11 Kühlanlage mit einer fuzzylogik für flüssigkeitsniveauregelung

Country Status (10)

Country Link
US (1) US5809795A (de)
EP (1) EP0891520B1 (de)
JP (1) JP3806148B2 (de)
KR (1) KR100339869B1 (de)
CN (1) CN1134620C (de)
AU (1) AU725476B2 (de)
CA (1) CA2251052C (de)
DE (1) DE69731824T2 (de)
TW (1) TW338792B (de)
WO (1) WO1997039285A1 (de)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6035651A (en) * 1997-06-11 2000-03-14 American Standard Inc. Start-up method and apparatus in refrigeration chillers
US6050098A (en) * 1998-04-29 2000-04-18 American Standard Inc. Use of electronic expansion valve to maintain minimum oil flow
US6505475B1 (en) 1999-08-20 2003-01-14 Hudson Technologies Inc. Method and apparatus for measuring and improving efficiency in refrigeration systems
US6266964B1 (en) * 2000-01-10 2001-07-31 American Standard International Inc. Use of electronic expansion valve to maintain minimum oil flow
US6438981B1 (en) 2000-06-06 2002-08-27 Jay Daniel Whiteside System for analyzing and comparing current and prospective refrigeration packages
US6619061B2 (en) 2001-12-26 2003-09-16 York International Corporation Self-tuning pull-down fuzzy logic temperature control for refrigeration systems
US6694222B1 (en) * 2002-07-26 2004-02-17 Delphi Technologies, Inc. Fuzzy logic control of a variable displacement compressor in a vehicle air conditioning system
US8463441B2 (en) * 2002-12-09 2013-06-11 Hudson Technologies, Inc. Method and apparatus for optimizing refrigeration systems
MXPA05006174A (es) * 2002-12-09 2006-02-17 Hudson Technologies Inc Metodo y aparato para optimizar sistemas de refrigeracion.
US7621141B2 (en) * 2004-09-22 2009-11-24 York International Corporation Two-zone fuzzy logic liquid level control
US20070151269A1 (en) * 2005-12-30 2007-07-05 Johnson Controls Technology Company System and method for level control in a flash tank
DE102011053407A1 (de) * 2011-09-08 2013-03-14 Beko Technologies Gmbh Füllstandsüberwachung
US9002532B2 (en) 2012-06-26 2015-04-07 Johnson Controls Technology Company Systems and methods for controlling a chiller plant for a building
CN105277254A (zh) * 2014-07-24 2016-01-27 上海日立电器有限公司 电容式油位传感器的组合装配结构及组合装配方法
US9829229B2 (en) * 2015-01-27 2017-11-28 Johnson Controls Technology Company System and method for detecting low refrigerant charge in a refrigeration system
EP3268682B1 (de) * 2015-03-09 2022-08-24 Carrier Corporation Regelung eines expansionsventils
CN108027189B (zh) 2015-09-18 2021-07-06 开利公司 用于制冷机的冻结防护系统和方法
ITUB20154014A1 (it) * 2015-09-29 2017-03-29 Certech Spa Con Socio Unico Dispositivo compensatore per pompe volumetriche.
US10684616B2 (en) 2017-01-27 2020-06-16 Preston Industries, Inc. Self-test system for qualifying refrigeration chiller system performance
US11378312B2 (en) 2017-02-17 2022-07-05 Preston Industries, Inc. Refrigeration chiller or cooler system with self-cleaning filter
CN107289681B (zh) * 2017-06-23 2019-11-08 麦克维尔空调制冷(武汉)有限公司 一种冷水机组冷媒流量控制方法
US10838440B2 (en) 2017-11-28 2020-11-17 Johnson Controls Technology Company Multistage HVAC system with discrete device selection prioritization
US10838441B2 (en) 2017-11-28 2020-11-17 Johnson Controls Technology Company Multistage HVAC system with modulating device demand control
US10955179B2 (en) 2017-12-29 2021-03-23 Johnson Controls Technology Company Redistributing refrigerant between an evaporator and a condenser of a vapor compression system
US11079150B2 (en) * 2018-02-20 2021-08-03 Blue Star Limited Method for controlling level of liquid within an evaporator and a system thereof
CN109648057B (zh) * 2018-11-01 2021-04-13 日照钢铁控股集团有限公司 一种连铸中包液位稳定控制方法及系统
CN112275165A (zh) * 2020-10-12 2021-01-29 山东黄金矿业(莱州)有限公司三山岛金矿 一种变结构尾矿充填搅拌桶液位控制装置及方法
WO2022109603A1 (en) * 2020-11-19 2022-05-27 Pacific Link, L.L.C. Autofill overfill protection temperature sensing air conditioning coolant recharge
DE102023132670A1 (de) * 2023-11-23 2025-05-28 Streumaster Maschinenbau GmbH Verfahren zur Steuerung eines Materialvorschubs und Dosiersystem
DE102023132667A1 (de) * 2023-11-23 2025-05-28 Streumaster Maschinenbau GmbH Sensor und Dosiersystem

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2016056A (en) * 1935-08-01 1935-10-01 Frick Co Liquid circulating system
US3391547A (en) * 1966-02-28 1968-07-09 Varian Associates Capacitive liquid level sensor using phase sensitive detector means
US3381491A (en) * 1966-05-23 1968-05-07 Westinghouse Electric Corp Refrigeration systems having liquid cooled condensers
US5156013A (en) * 1990-05-29 1992-10-20 Sanyo Electric Co., Ltd. Control device for absorption refrigerator
JP2815991B2 (ja) * 1990-07-30 1998-10-27 三洋電機株式会社 吸収式冷凍機の制御装置
KR960012321B1 (ko) * 1990-09-28 1996-09-18 산요덴기 가부시끼가이샤 흡수냉동기의 제어장치
JP2909190B2 (ja) * 1990-11-02 1999-06-23 株式会社東芝 空気調和機
US5259210A (en) * 1991-01-10 1993-11-09 Sanyo Electric Co., Ltd. Refrigerating apparatus and method of controlling refrigerating apparatus in accordance with fuzzy reasoning
JPH06205935A (ja) * 1992-12-25 1994-07-26 Toshiba Corp 脱硝制御装置
CN1098186A (zh) * 1993-03-29 1995-02-01 三洋电机株式会社 空调机的控制装置
US5499508A (en) * 1993-03-30 1996-03-19 Kabushiki Kaisha Toshiba Air conditioner
US5440891A (en) * 1994-01-26 1995-08-15 Hindmon, Jr.; James O. Fuzzy logic based controller for cooling and refrigerating systems
US5435145A (en) * 1994-03-03 1995-07-25 General Electric Company Refrigerant flow rate control based on liquid level in simple vapor compression refrigeration cycles
US5655379A (en) * 1995-10-27 1997-08-12 General Electric Company Refrigerant level control in a refrigeration system

Also Published As

Publication number Publication date
CN1134620C (zh) 2004-01-14
HK1023176A1 (en) 2000-09-01
CN1231721A (zh) 1999-10-13
AU2455297A (en) 1997-11-07
AU725476B2 (en) 2000-10-12
EP0891520A1 (de) 1999-01-20
KR20000005402A (ko) 2000-01-25
JP3806148B2 (ja) 2006-08-09
US5809795A (en) 1998-09-22
CA2251052C (en) 2003-06-17
DE69731824T2 (de) 2005-12-15
EP0891520A4 (de) 2001-03-28
CA2251052A1 (en) 1997-10-23
WO1997039285A1 (en) 1997-10-23
TW338792B (en) 1998-08-21
KR100339869B1 (ko) 2002-10-25
JP2000512726A (ja) 2000-09-26
EP0891520B1 (de) 2004-12-01

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