WO2003073185A3 - Predictive control system and method - Google Patents

Predictive control system and method Download PDF

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Publication number
WO2003073185A3
WO2003073185A3 PCT/CA2003/000245 CA0300245W WO03073185A3 WO 2003073185 A3 WO2003073185 A3 WO 2003073185A3 CA 0300245 W CA0300245 W CA 0300245W WO 03073185 A3 WO03073185 A3 WO 03073185A3
Authority
WO
WIPO (PCT)
Prior art keywords
state
switch
power circuit
contemplator
present state
Prior art date
Application number
PCT/CA2003/000245
Other languages
French (fr)
Other versions
WO2003073185A2 (en
Inventor
Michael J Richards
Original Assignee
Zetacon Corp
Michael J Richards
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 Zetacon Corp, Michael J Richards filed Critical Zetacon Corp
Priority to CA002517579A priority Critical patent/CA2517579A1/en
Priority to AU2003206526A priority patent/AU2003206526A1/en
Publication of WO2003073185A2 publication Critical patent/WO2003073185A2/en
Publication of WO2003073185A3 publication Critical patent/WO2003073185A3/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00—Computer-aided design [CAD]
    • G06F30/30—Circuit design
    • G06F30/36—Circuit design at the analogue level
    • G06F30/367—Design verification, e.g. using simulation, simulation program with integrated circuit emphasis [SPICE], direct methods or relaxation methods
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
    • H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
    • H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
    • H02M7/5387—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
    • H02M7/53871—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration with automatic control of output voltage or current
    • H02M7/53873—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration with automatic control of output voltage or current with digital control
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P21/00—Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation
    • H02P21/06—Rotor flux based control involving the use of rotor position or rotor speed sensors
    • H02P21/08—Indirect field-oriented control; Rotor flux feed-forward control
    • H02P21/09—Field phase angle calculation based on rotor voltage equation by adding slip frequency and speed proportional frequency
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P21/00—Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation
    • H02P21/14—Estimation or adaptation of machine parameters, e.g. flux, current or voltage
    • H02P21/16—Estimation of constants, e.g. the rotor time constant

Abstract

A control system and control method provides improved control of various loads by selecting the switch configuration of an associated power circuit having N binary switches, based in part on a finite state machine. The control system includes an embedded simulator, a present state contemplator and a next state contemplator to predict the operation of the load based on various switch configurations of the power circuit. The various switch states of the power circuit are modeled by the finite state machine (having up to 2N switch states) such that at any time, the power circuit switches are in a Present State and there are a plurality of Next States which are one or more switch transitions away from the Present State. The embedded simulator estimates the operating conditions of the load based on measured operational characteristics and the Present State. The present state contemplator determines, based on the operating conditions, whether a switch state transition should be contemplated. If so, then the next state contemplator determines the optimal next state based on a set of performance criterion and sends a state switch command to the power circuit.
PCT/CA2003/000245 2002-02-28 2003-02-21 Predictive control system and method WO2003073185A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CA002517579A CA2517579A1 (en) 2002-02-28 2003-02-21 Predictive control system and method
AU2003206526A AU2003206526A1 (en) 2002-02-28 2003-02-21 Predictive control system and method

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US35989802P 2002-02-28 2002-02-28
US60/359,898 2002-02-28
US38377102P 2002-05-30 2002-05-30
US60/383,771 2002-05-30

Publications (2)

Publication Number Publication Date
WO2003073185A2 WO2003073185A2 (en) 2003-09-04
WO2003073185A3 true WO2003073185A3 (en) 2004-02-05

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CA2003/000245 WO2003073185A2 (en) 2002-02-28 2003-02-21 Predictive control system and method

Country Status (4)

Country Link
US (2) US7243006B2 (en)
AU (1) AU2003206526A1 (en)
CA (1) CA2517579A1 (en)
WO (1) WO2003073185A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103051272B (en) * 2013-01-09 2015-02-18 重庆交通大学 Magnification factor correction method for power stabilizer

Families Citing this family (84)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2001296283A1 (en) * 2000-09-21 2002-04-02 Gsi Lumonics Corporation Digital control servo system
JP4325284B2 (en) * 2003-06-04 2009-09-02 トヨタ自動車株式会社 Voltage converter
GB0313887D0 (en) * 2003-06-16 2003-07-23 Gsi Lumonics Ltd Monitoring and controlling of laser operation
DE10351019A1 (en) * 2003-10-31 2005-06-30 P21 - Power For The 21St Century Gmbh Method for controlling and / or regulating at least one unit in a technical system and technical system
US20050165590A1 (en) * 2004-01-23 2005-07-28 Yuhong Huang System and method for virtual laser marking
JP4211675B2 (en) * 2004-05-12 2009-01-21 パナソニック電工株式会社 Impact rotary tool
CA2587717C (en) * 2004-11-17 2015-03-31 Toyota Technical Development Corporation Computing method of motor model, motor simulation method, motor simulation apparatus, motor-model computing program, simulation method and simulation program
US7680642B2 (en) * 2005-01-12 2010-03-16 The Japan Research Institute, Limited Equivalent circuit for coil incorporated in circuit simulator, circuit simulator and method of preparation of same, and storage medium of circuit simulator program
US7383161B2 (en) * 2005-04-13 2008-06-03 Microsoft Corporation Systems and methods for device simulation
US20070244683A1 (en) * 2005-08-19 2007-10-18 Honeywell International Inc. Device simulating operation of a machine that functions as either a motor or a generator
US7549941B2 (en) * 2005-09-09 2009-06-23 Eaton Corporation Vehicle differential including pump with variable-engagement clutch
EP1790520B1 (en) * 2005-11-29 2020-01-01 Denso Corporation Control apparatus and method for electric vehicles
US7629764B2 (en) * 2006-02-03 2009-12-08 Bae Systems Land & Armaments L.P. Nonlinear motor control techniques
US7586286B2 (en) * 2006-11-17 2009-09-08 Continental Automotive Systems Us, Inc. Method and apparatus for motor control
US8249647B2 (en) * 2007-01-22 2012-08-21 Broadcom Corporation Mobile communication device having multiple independent optimized physical layers
US7560895B2 (en) * 2007-03-16 2009-07-14 Azure Dynamics, Inc. Indirect rotor resistance estimation system and method
US20080303474A1 (en) * 2007-06-08 2008-12-11 Gsi Group Corporation Systems and methods for controlling limited rotation motor systems
US8397085B2 (en) * 2007-09-24 2013-03-12 Siemens Industry, Inc. Master controller containing a control processor configured to receive power cell control information and a host processor configured to receive command and status information
JP4301341B2 (en) * 2007-11-16 2009-07-22 ダイキン工業株式会社 Motor current calculation device and air conditioner
US8037340B2 (en) * 2007-11-28 2011-10-11 International Business Machines Corporation Apparatus and method for micro performance tuning of a clocked digital system
US7768220B2 (en) * 2008-04-24 2010-08-03 Gm Global Technology Operations, Inc. Harmonic torque ripple reduction at low motor speeds
US8255200B2 (en) * 2008-05-29 2012-08-28 Siemens Aktiengesellschaft Circuit protection and control device simulator
US20100049486A1 (en) * 2008-08-22 2010-02-25 General Electric Company Systems and Methods for Simulating Plant Operations
US8030788B2 (en) * 2008-12-31 2011-10-04 General Electric Company Method and systems for an engine starter/generator
US8819703B2 (en) * 2009-02-26 2014-08-26 Oracle International Corporation Techniques for controlling desktop state
US8054084B2 (en) * 2009-05-19 2011-11-08 GM Global Technology Operations LLC Methods and systems for diagnosing stator windings in an electric motor
US8354817B2 (en) * 2009-06-18 2013-01-15 GM Global Technology Operations LLC Methods and systems for diagnosing stator windings in an electric motor
JP4883151B2 (en) * 2009-08-05 2012-02-22 株式会社デンソー Rotating machine control device
US8253365B2 (en) * 2009-10-20 2012-08-28 GM Global Technology Operations LLC Methods and systems for performing fault diagnostics for rotors of electric motors
US8812674B2 (en) * 2010-03-03 2014-08-19 Microsoft Corporation Controlling state transitions in a system
WO2011160642A2 (en) * 2010-06-24 2011-12-29 Vestas Wind Systems A/S Method for controlling a converter arrangement and a control device
US8497698B2 (en) 2010-08-11 2013-07-30 GM Global Technology Operations LLC Methods and systems for diagnosing faults for rotors of electric motors
CN102012674A (en) * 2010-09-21 2011-04-13 上海大学 Building method for electric drive system hardware-in-the-loop simulation device
US8706346B2 (en) * 2010-11-01 2014-04-22 GM Global Technology Operations LLC Robust motor torque performance diagnostics algorithm for electric drive systems in hybrid vehicles
US9201707B2 (en) * 2011-02-02 2015-12-01 Nec Corporation Distributed system, device, method, and program
EP2541757B1 (en) 2011-06-30 2016-11-16 ABB Schweiz AG Control device and method for controlling an electric machine
US8880235B2 (en) * 2011-11-15 2014-11-04 Palo Alto Research Center Incorporated Staggering and feathering of demand response and energy supply change in a managed electrical system
US8645883B2 (en) * 2012-05-08 2014-02-04 Oracle International Corporation Integrated circuit simulation using fundamental and derivative circuit runs
US8738664B2 (en) * 2012-05-23 2014-05-27 Lg Chem, Ltd. System and method for generating diagnostic test files associated with a battery pack
US9972362B2 (en) * 2012-06-18 2018-05-15 Seagate Technology Llc Controller for controlling the speed of a cooling device via varying speed steps, apparatus and methods
CN104584414B (en) * 2012-08-28 2016-10-26 Abb技术有限公司 Control the modular converter of two-stage
US9018881B2 (en) 2013-01-10 2015-04-28 GM Global Technology Operations LLC Stator winding diagnostic systems and methods
US9610858B2 (en) * 2013-07-29 2017-04-04 Fca Us Llc Three-phase inverter control for electrified vehicles
CN104348342B (en) * 2013-08-02 2019-05-31 通用电气公司 Electrical conversion systems and method
AU2013398322B2 (en) * 2013-08-21 2018-08-30 Schneider Electric It Corporation Apparatus and method for providing a power interface
TWI492518B (en) * 2013-12-10 2015-07-11 Ind Tech Res Inst Apparatus of control of a motor and method of a controller thereof
JP2015166710A (en) * 2014-03-04 2015-09-24 ソニー株式会社 Electric storage member state estimation apparatus, battery pack, electric vehicle, electric storage device, and electric storage member state estimation method
CN103942379B (en) * 2014-04-14 2017-05-24 大连东软信息学院 All-digital silicon controlled rectifier controller chip for three-phase alternating-current voltage regulation and rectification
GB2525866A (en) * 2014-05-06 2015-11-11 Johnson Electric Sa Controller for driving a stepper motor
EP2961060B1 (en) 2014-06-23 2021-06-09 GE Energy Power Conversion Technology Ltd Power supply system for a load and corresponding supply method
RU2568672C1 (en) * 2014-08-11 2015-11-20 Общество с ограниченной ответственностью "АС и ПП" Low-noise energy-saving electric drive
US9903917B2 (en) 2014-10-07 2018-02-27 Texas Instruments Incorporated Method and circuitry for detecting faults in field oriented controlled permanent magnet synchronous machines
JP6457778B2 (en) * 2014-10-24 2019-01-23 オークマ株式会社 Numerical controller
CA2976472C (en) 2015-02-13 2021-05-18 Fluid Handling Llc No flow detection means for sensorless pumping control applications
US9831812B2 (en) * 2015-02-27 2017-11-28 Nutech Ventures Direct torque control of AC electric machines
US10496052B2 (en) * 2015-04-10 2019-12-03 The Board Of Trustees Of The University Of Alabama Systems, methods and devices for vector control of induction machines using artificial neural networks
US10333390B2 (en) 2015-05-08 2019-06-25 The Board Of Trustees Of The University Of Alabama Systems and methods for providing vector control of a grid connected converter with a resonant circuit grid filter
DE202016000217U1 (en) * 2016-01-13 2016-02-02 Oerlikon Leybold Vacuum Gmbh Vacuum pump drive with two frequency converters
DE102016204392A1 (en) * 2016-03-16 2017-09-21 Trumpf Werkzeugmaschinen Gmbh + Co. Kg System and process for production planning
US10396694B2 (en) * 2016-03-17 2019-08-27 General Electric Company System and method for minimizing reactive current to limit rotor modulation index on a power converter
JP6226021B2 (en) * 2016-04-28 2017-11-08 株式会社明電舎 Test system dynamometer controller
JP6697766B2 (en) * 2016-05-20 2020-05-27 パナソニックＩｐマネジメント株式会社 Degradation estimation method and degradation estimation device
JP6506219B2 (en) * 2016-07-21 2019-04-24 ファナック株式会社 Machine learning device, motor control device and machine learning method for learning current command of motor
WO2018096563A1 (en) * 2016-11-23 2018-05-31 Sedemac Mechatronics Pvt Ltd A system for controlling electrical power generated by a permanent magnet machine
DE102016224207A1 (en) * 2016-12-06 2018-06-07 Siemens Aktiengesellschaft Method and control device for controlling a technical system
US10163432B2 (en) * 2017-02-23 2018-12-25 2236008 Ontario Inc. Active noise control using variable step-size adaptation
JP6376239B1 (en) * 2017-04-12 2018-08-22 株式会社明電舎 Control device for power conversion circuit
DE102017208413A1 (en) * 2017-05-18 2018-11-22 Zf Friedrichshafen Ag Monitoring a torque of a rotating field machine
FR3075389B1 (en) * 2017-12-19 2019-12-27 Electricite De France MEASURING METHOD, PROGRAM AND DEVICE FOR MEASURING POWER OR ENERGY OF ELECTRIC MOTOR
WO2019143383A1 (en) * 2018-01-22 2019-07-25 Siemens Aktiengesellschaft Skill matching for control of an industrial production machine
US10122175B1 (en) * 2018-02-06 2018-11-06 Rockwell Automation Technologies, Inc. Voltage angle control of a fundamental front end converter for a grid
US10734821B2 (en) 2018-03-08 2020-08-04 Saudi Arabian Oil Company Power control system
JP7031930B2 (en) * 2018-03-19 2022-03-08 Ｎｅｃプラットフォームズ株式会社 Program generator, information processing device, program generation method, and program
CN113196644A (en) * 2018-11-09 2021-07-30 施耐德电气美国股份有限公司 System and method for distributed and dynamically configurable motor control
CN109623499B (en) * 2019-01-31 2020-08-25 大连理工大学 Geometric/thermal error online measurement and compensation system of numerical control machine tool
CN109949388B (en) * 2019-01-31 2023-05-05 国网山西省电力公司晋城供电公司 Multi-calculation power system vector operation device and drawing method
CN109802591A (en) * 2019-03-08 2019-05-24 安徽大学 A kind of three-phase grid-connected inverter reliable tracking control method based on optimization
CN110488146B (en) * 2019-04-02 2021-12-10 许继电气股份有限公司 Direct current distribution network insulation monitoring system and direct current insulation monitoring device
EP3751724A1 (en) 2019-06-10 2020-12-16 Black & Decker Inc. Field-oriented sensorless brushless motor control in a power tool
CN110233498B (en) * 2019-06-14 2023-03-28 郑州大学 Double-input photovoltaic grid-connected multi-level inverter and control method thereof
CN112234899B (en) * 2020-10-29 2021-12-24 河北工业大学 Method and system for setting prediction step length of permanent magnet synchronous motor model
CN112838793B (en) * 2021-01-22 2023-01-24 重庆电子工程职业学院 Permanent magnet synchronous motor control method based on state transition
CN115081316A (en) * 2022-06-07 2022-09-20 武汉大学 DC/DC converter fault diagnosis method and system based on improved sparrow search algorithm
CN117092961B (en) * 2023-10-19 2024-01-30 南京航空航天大学 Switching control method and system for transition section of gyroplane based on equivalent input interference

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0351783A2 (en) * 1988-07-19 1990-01-24 Hitachi, Ltd. PWM inverter apparatus
EP0469873A2 (en) * 1990-07-31 1992-02-05 Eaton Corporation Waveform generator for inverter control
US6094364A (en) * 1996-02-13 2000-07-25 Abb Industry Oy Direct torque control inverter arrangement

Family Cites Families (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3967173A (en) 1975-03-14 1976-06-29 Allis-Chalmers Corporation Transistor bridge inverter motor drive having reduced harmonics
US4296462A (en) 1979-07-02 1981-10-20 Sangamo Weston, Inc. Inverter controller
US4494010A (en) 1982-08-09 1985-01-15 Standum Controls, Inc. Programmable power control apparatus responsive to load variations
DE3427127A1 (en) 1984-07-23 1986-01-23 Siemens AG, 1000 Berlin und 8000 München METHOD FOR CONTROLLER OPTIMIZATION FOR DRIVES
US4914431A (en) 1984-11-16 1990-04-03 Severson Frederick E Electronic control system for model railroads
CA1277704C (en) 1985-05-20 1990-12-11 Russel J. Kerkman Cross coupled current regulator
US4880695A (en) * 1987-11-03 1989-11-14 Hoechst Celanese Corporation Moisture-resistant, coated thermoplastic film having enhanced adhesion to inks and metallic layers
FI884512A (en) 1987-11-25 1989-05-26 Siemens Ag FOERFARANDE FOER EFTERBILDNING AV EN BELASTNINGSVINKELS NUVAERDE HOS EN VRIDFAELTSMOTOR SAMT ETT KOPPLINGSSCHEMA FOER FOERVERKLIGANDE AV DETTA FOERFARANDE.
DE59004339D1 (en) 1990-01-18 1994-03-03 Siemens Ag Method and circuit arrangement for the direct control of output currents of an inverter which feeds a predetermined number of induction machines.
SE9000497L (en) 1990-02-12 1991-08-13 Ragnar Joensson PROCEDURES AND APPLIANCES FOR CONTROL OF AN ASYNCHRONIC ENGINE THROUGH INDIRECT SEATING OF THE AIR GAS TENSION
US5334923A (en) 1990-10-01 1994-08-02 Wisconsin Alumni Research Foundation Motor torque control method and apparatus
US5293553A (en) 1991-02-12 1994-03-08 General Motors Corporation Software air-flow meter for an internal combustion engine
US5187454A (en) 1992-01-23 1993-02-16 Applied Materials, Inc. Electronically tuned matching network using predictor-corrector control system
US5319295A (en) 1991-11-26 1994-06-07 Unico, Inc. Digital current regulator
JP3050348B2 (en) 1992-04-17 2000-06-12 インターナショナル・ビジネス・マシーンズ・コーポレイション Method and apparatus for user control in a process control system
JPH06351271A (en) 1993-06-04 1994-12-22 Sawafuji Electric Co Ltd Method and system for starting induction motor using direct torque control inverter
US5486747A (en) 1993-07-29 1996-01-23 United Technologies Motor Systems General purpose motor controller
US5519618A (en) 1993-08-02 1996-05-21 Massachusetts Institute Of Technology Airport surface safety logic
US5830417A (en) * 1993-09-24 1998-11-03 Duquesne University Of The Holy Ghost Method and apparatus for microwave assisted chemical reactions
US5452210A (en) 1994-01-10 1995-09-19 Thiokol Corporation Method and system for evaluating gas generants and gas generators
US5421302A (en) 1994-02-28 1995-06-06 General Motors Corporation Engine speed control state prediction
JPH07337099A (en) 1994-06-03 1995-12-22 Sawafuji Electric Co Ltd Operated first degree flux detection system for direct torque control inverter
US5650705A (en) 1995-02-13 1997-07-22 Hart; John Roger Apparatus and method for controlling currents in an inductor
US5572420A (en) 1995-04-03 1996-11-05 Honeywell Inc. Method of optimal controller design for multivariable predictive control utilizing range control
US5630417A (en) 1995-09-08 1997-05-20 Acuson Corporation Method and apparatus for automated control of an ultrasound transducer
US5806011A (en) 1995-12-04 1998-09-08 General Electric Company Method and apparatus for performance based assessment of locomotive diesel engines
US5892673A (en) 1996-03-25 1999-04-06 General Electric Company Robust, high-density, high-efficiency state sequence controller for an auxiliary resonant commutation pole power converter
DE19612920A1 (en) 1996-04-01 1997-10-02 Asea Brown Boveri Method and device for direct torque control of an induction machine
FR2749717B1 (en) 1996-06-06 1998-07-31 Alsthom Cge Alcatel CONTROL METHOD OF A ROTATING MACHINE, SERVO SYSTEM FOR IMPLEMENTING SAID METHOD, ROTATING MACHINE PROVIDED WITH SUCH A SYSTEM
US5808011A (en) * 1996-07-01 1998-09-15 Biopure Corporation Method for chromatographic removal of prions
US5734278A (en) 1996-08-28 1998-03-31 Lenihan, Iii; William E. Low-power, high-reliability switching rotary phase shifter device
US5854922A (en) 1997-01-16 1998-12-29 Ford Motor Company Micro-sequencer apparatus and method of combination state machine and instruction memory
FR2759216B1 (en) * 1997-02-06 1999-03-05 Alsthom Cge Alcatel METHOD OF CONTROLLING A ROTATING MACHINE, SERVO SYSTEM FOR IMPLEMENTING SAID METHOD, AND ROTATING MACHINE PROVIDED WITH SUCH A SYSTEM
US6069808A (en) 1997-05-21 2000-05-30 Texas Instruments Incorporated Symmetrical space vector PWM DC-AC converter controller
US5865585A (en) * 1997-06-26 1999-02-02 Illinois Tool Works Inc. Angled chisel point brad and method therefor
US6317638B1 (en) 1997-08-22 2001-11-13 Honeywell Inc. Multi-layer state machine for a hybrid real-time control system and method of operation thereof
FI108821B (en) 1998-03-26 2002-03-28 Abb Industry Oy Method for Correcting the Midpoint of Winding Flow Controlled AC Systems
FR2777399B1 (en) 1998-04-09 2000-06-09 Centre Nat Rech Scient METHOD AND DEVICE FOR CONTROLLING A STATIC CONVERTER SUPPLYING A CURRENT SOURCE
KR100281284B1 (en) * 1998-06-29 2001-02-01 김영환 Column redundancy circuit
US6198590B1 (en) 1998-07-21 2001-03-06 Western Digital Corporation Disk drive employing method of spinning down its spindle motor to reduce the time required for subsequently spinning it up
US6072302A (en) 1998-08-26 2000-06-06 Northrop Grumman Corporation Integrated control system and method for controlling mode, synchronization, power factor, and utility outage ride-through for micropower generation systems
US6288517B1 (en) 1998-09-29 2001-09-11 Raytheon Company Hardware multiphase sinewave generator
FR2785470B1 (en) 1998-11-04 2000-12-01 Cegelec CONTROL METHOD FOR ROTATING ELECTRIC MACHINE, CONTROL SYSTEM FOR IMPLEMENTING SAID ROTATING MACHINE EQUIPPED WITH SUCH A SYSTEM
US6335807B1 (en) * 1998-11-30 2002-01-01 Agfa Corporation Scanner carriage stop/start artifact suppression system and method
US6215261B1 (en) 1999-05-21 2001-04-10 General Electric Company Application specific integrated circuit for controlling power devices for commutating a motor based on the back emf of motor
US6124696A (en) 1999-07-14 2000-09-26 Lexmark International, Inc. Programmable stepper motor controller and method therefor
US6282904B1 (en) * 1999-11-19 2001-09-04 Power Systems Mfg., Llc Full ring fuel distribution system for a gas turbine combustor
US6242873B1 (en) 2000-01-31 2001-06-05 Azure Dynamics Inc. Method and apparatus for adaptive hybrid vehicle control
US6215281B1 (en) * 2000-03-16 2001-04-10 General Motors Corporation Method and apparatus for reducing battery charge time and energy consumption, as in a nickel metal hydride battery pack
US6321143B1 (en) 2000-06-26 2001-11-20 Ford Motor Company Control system and method for a hybrid electric vehicle
US6316896B1 (en) 2000-07-19 2001-11-13 Abb Automation Inc. Man machine interface for an A-C motor bypass
DE10196347T5 (en) 2001-04-13 2004-07-29 Mitsubishi Denki K.K. Energy conversion device
US6804127B2 (en) 2002-11-19 2004-10-12 Wilcon Inc. Reduced capacitance AC/DC/AC power converter

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0351783A2 (en) * 1988-07-19 1990-01-24 Hitachi, Ltd. PWM inverter apparatus
EP0469873A2 (en) * 1990-07-31 1992-02-05 Eaton Corporation Waveform generator for inverter control
US6094364A (en) * 1996-02-13 2000-07-25 Abb Industry Oy Direct torque control inverter arrangement

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103051272B (en) * 2013-01-09 2015-02-18 重庆交通大学 Magnification factor correction method for power stabilizer

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AU2003206526A1 (en) 2003-09-09
US20070021873A1 (en) 2007-01-25
US20030163296A1 (en) 2003-08-28
US7243006B2 (en) 2007-07-10
WO2003073185A2 (en) 2003-09-04
US7286906B2 (en) 2007-10-23
CA2517579A1 (en) 2003-09-04

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