IT8821529D0 - Pressure control based on an adaptive model and method for polymerizing resins. - Google Patents

Pressure control based on an adaptive model and method for polymerizing resins.

Info

Publication number
IT8821529D0
IT8821529D0 IT2152988A IT2152988A IT8821529D0 IT 8821529 D0 IT8821529 D0 IT 8821529D0 IT 2152988 A IT2152988 A IT 2152988A IT 2152988 A IT2152988 A IT 2152988A IT 8821529 D0 IT8821529 D0 IT 8821529D0
Authority
IT
Italy
Prior art keywords
adaptive
pressure control
polymerizing resins
polymerizing
resins
Prior art date
Application number
IT2152988A
Other languages
Italian (it)
Other versions
IT1226716B (en
Inventor
Lawson Parks Harris
Ram Kumar Upadhyay
Original Assignee
Gen Electric
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
Priority to US07/080,355 priority Critical patent/US4773021A/en
Application filed by Gen Electric filed Critical Gen Electric
Publication of IT8821529D0 publication Critical patent/IT8821529D0/en
Application granted granted Critical
Publication of IT1226716B publication Critical patent/IT1226716B/en

Links

Classifications

    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B13/00Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion
    • G05B13/02Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
    • G05B13/04Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators
    • G05B13/048Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators using a predictor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/0288Controlling heating or curing of polymers during moulding, e.g. by measuring temperatures or properties of the polymer and regulating the process
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32Component parts, details or accessories; Auxiliary operations
    • B29C43/58Measuring, controlling or regulating
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0058Kind of property studied
    • G01N2203/0092Visco-elasticity, solidification, curing, cross-linking degree, vulcanisation or strength properties of semi-solid materials
IT2152988A 1987-07-31 1988-07-28 Pressure control based on an adaptive model and method for polymerizing resins. IT1226716B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US07/080,355 US4773021A (en) 1987-07-31 1987-07-31 Adaptive model-based pressure control and method of resin cure

Publications (2)

Publication Number Publication Date
IT8821529D0 true IT8821529D0 (en) 1988-07-28
IT1226716B IT1226716B (en) 1991-02-05

Family

ID=22156859

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2152988A IT1226716B (en) 1987-07-31 1988-07-28 Pressure control based on an adaptive model and method for polymerizing resins.

Country Status (6)

Country Link
US (1) US4773021A (en)
JP (1) JP2664937B2 (en)
DE (1) DE3824931C2 (en)
FR (1) FR2618721B1 (en)
GB (1) GB2208552B (en)
IT (1) IT1226716B (en)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3830571A1 (en) * 1987-09-08 1989-04-06 Toshiba Machine Co Ltd Method of calculation for flow analysis in injection moulding
US4921415A (en) * 1987-11-27 1990-05-01 General Electric Company Cure monitoring apparatus having high temperature ultrasonic transducers
US5065106A (en) * 1988-06-13 1991-11-12 Ta Instruments, Inc. Apparatus and method for analyzing dielectric properties using a single surface electrode and force monitoring and adjusting
EP0472590A4 (en) * 1989-05-08 1992-05-27 American Composite Technology Inc. System and method for monitoring pressure during the production of fiber reinforced polymers
US5019318A (en) * 1989-07-27 1991-05-28 The Uniroyal Goodrich Tire Company Tire mold with bladder pressurization system
US5219498A (en) * 1991-11-12 1993-06-15 Keller L Brian Process for controlling curing and thermoforming of resins and composites
US5106568A (en) * 1991-11-15 1992-04-21 Mcdonnell Douglas Corporation Method and apparatus for vacuum bag molding of composite materials
WO1995021059A1 (en) * 1994-02-01 1995-08-10 Wyatt, Tracy, A. Control of plastic laminate curing press
US6099162A (en) * 1997-10-24 2000-08-08 Hydril Company Resin cure monitor
DE19748035A1 (en) * 1997-10-30 1999-05-06 Pirelli Reifenwerke Method and device for controlling or regulating the vulcanization process during vulcanization
CA2331644A1 (en) * 1998-05-12 1999-11-18 Neil J. Goldfine Methods for utilizing dielectrometry signals using estimation grids
US6957172B2 (en) 2000-03-09 2005-10-18 Smartsignal Corporation Complex signal decomposition and modeling
US7233886B2 (en) * 2001-01-19 2007-06-19 Smartsignal Corporation Adaptive modeling of changed states in predictive condition monitoring
WO2005086965A2 (en) * 2004-03-11 2005-09-22 Signature Control Systems, Inc. A process and apparatus for improving and controlling the curing of natural and synthetic moldable compounds
US7167773B2 (en) * 2001-03-21 2007-01-23 Signature Control Systems Process and apparatus for improving and controlling the curing of natural and synthetic moldable compounds
US7245985B2 (en) * 2001-03-21 2007-07-17 Signature Control Systems Process and apparatus for improving and controlling the vulcanization of natural and synthetic rubber compounds
US6774643B2 (en) 2001-03-21 2004-08-10 Signature Control Systems Non-bridged single electrode impedance measurement system for determining a condition of a dielectric according to impedance related changes over a range of frequencies
US20040133301A1 (en) * 2002-07-09 2004-07-08 Signature Control Systems Process and apparatus for improving and controlling the vulcanization of natural and synthetic rubber compounds
US6855791B2 (en) * 2002-07-09 2005-02-15 Signature Control Systems Process and apparatus for improving and controlling the vulcanization of natural and synthetic rubber compounds
TWI260263B (en) * 2004-04-29 2006-08-21 Masonite Corp Compression molding method and apparatus suitable for making door facings
CN100430853C (en) * 2005-08-01 2008-11-05 陈光焕 Relay controller with self-regulation of pressure
DE102005039837B4 (en) 2005-08-23 2010-12-09 Airbus Deutschland Gmbh Process for the production of sandwich components
US8275577B2 (en) 2006-09-19 2012-09-25 Smartsignal Corporation Kernel-based method for detecting boiler tube leaks
US8311774B2 (en) 2006-12-15 2012-11-13 Smartsignal Corporation Robust distance measures for on-line monitoring
US7676953B2 (en) 2006-12-29 2010-03-16 Signature Control Systems, Inc. Calibration and metering methods for wood kiln moisture measurement
CN100456176C (en) * 2007-06-22 2009-01-28 北京航空航天大学 Optimization method for process pressure of resin base composite equal thick laminate hot-press technology
CN101920558B (en) * 2010-05-28 2013-03-27 北京航空航天大学 Process window optimization method of resin-base composite curvature laminate in autoclave molding
US9213009B2 (en) * 2011-12-15 2015-12-15 Textron Innovations Inc. System and method of optimizing a composite system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3819915A (en) * 1973-09-17 1974-06-25 Mcneil Corp Method and apparatus for controlling the cure of a rubber article
US3985712A (en) * 1975-02-12 1976-10-12 Owens-Corning Fiberglas Corporation Method and apparatus for preparing intermediate polyester resin
US4373092A (en) * 1980-12-29 1983-02-08 Lockheed Corporation Method of process control for thermosetting resins having addition-type reactions
JPH0150564B2 (en) * 1981-04-28 1989-10-30 Sumitomo Rubber Ind
US4515545A (en) * 1981-07-09 1985-05-07 Applied Polymer Technology, Inc. Control system for processing composite material
JPS6235371B2 (en) * 1982-09-28 1987-08-01 Kogyo Gijutsuin
US4551807A (en) * 1983-08-17 1985-11-05 Lord Corporation Cure-control method for thermosetting polymeric material
US4721589A (en) * 1983-09-22 1988-01-26 Harrel, Inc. Extruder viscosity control system and method
US4546438A (en) * 1983-09-27 1985-10-08 The Goodyear Tire & Rubber Company Rheometer and process of curing and testing rubber

Also Published As

Publication number Publication date
DE3824931C2 (en) 1997-05-22
DE3824931A1 (en) 1989-02-09
FR2618721A1 (en) 1989-02-03
JPS6453822A (en) 1989-03-01
FR2618721B1 (en) 1994-07-08
IT1226716B (en) 1991-02-05
US4773021A (en) 1988-09-20
GB2208552A (en) 1989-04-05
GB8818128D0 (en) 1988-09-01
JP2664937B2 (en) 1997-10-22
GB2208552B (en) 1991-06-05

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Legal Events

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TA Fee payment date (situation as of prs-date), data collected since 19931001

Effective date: 19950726