WO2012115897A3 - Method and system for controlling an electrical motor with temperature compensation - Google Patents

Method and system for controlling an electrical motor with temperature compensation Download PDF

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Publication number
WO2012115897A3
WO2012115897A3 PCT/US2012/025796 US2012025796W WO2012115897A3 WO 2012115897 A3 WO2012115897 A3 WO 2012115897A3 US 2012025796 W US2012025796 W US 2012025796W WO 2012115897 A3 WO2012115897 A3 WO 2012115897A3
Authority
WO
WIPO (PCT)
Prior art keywords
temperature
motor
controlling
operating range
temperature compensation
Prior art date
Application number
PCT/US2012/025796
Other languages
French (fr)
Other versions
WO2012115897A2 (en
Inventor
Long Wu
Robert Shaw
Original Assignee
Deere & Company
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 Deere & Company filed Critical Deere & Company
Priority to EP12750058.5A priority Critical patent/EP2678939B1/en
Priority to CN201280010251.7A priority patent/CN103931096B/en
Priority to AU2012220884A priority patent/AU2012220884A1/en
Priority to BR112013021505-4A priority patent/BR112013021505B1/en
Priority to JP2013555470A priority patent/JP2014515244A/en
Publication of WO2012115897A2 publication Critical patent/WO2012115897A2/en
Publication of WO2012115897A3 publication Critical patent/WO2012115897A3/en

Links

Classifications

    • 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
    • H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
    • H02P7/06—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current
    • H02P7/18—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power
    • H02P7/24—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices
    • H02P7/28—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices
    • H02P7/285—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only
    • 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
    • H02P21/141—Flux estimation
    • 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
    • H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
    • H02P29/60—Controlling or determining the temperature of the motor or of the drive
    • H02P29/66—Controlling or determining the temperature of the rotor
    • H02P29/662—Controlling or determining the temperature of the rotor the rotor having permanent magnets

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Ac Motors In General (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)

Abstract

A temperature estimation module (104) estimates a change in temperature of the magnets associated with the rotor of the motor (117) based on an operational magnetic flux strength that is compared to a reference magnetic flux strength determined at a known- ambient temperature and for a predetermined operating range of the motor. The temperature estimation module (104) or the system (120) establishes a relationship between the estimated change in the temperature and a magnetic torque component of a target output torque of the motor (117) consistent with the predetermined operating range. The current adjustment module (107) or the system (120) adjusts a command (e.g., quadrature-axis current command) for the motor (117) to compensate for shaft torque variation associated with the estimated change in the temperature In conformance with the established relationship.
PCT/US2012/025796 2011-02-23 2012-02-20 Method and system for controlling an electrical motor with temperature compensation WO2012115897A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP12750058.5A EP2678939B1 (en) 2011-02-23 2012-02-20 Method and system for controlling an electrical motor with temperature compensation
CN201280010251.7A CN103931096B (en) 2011-02-23 2012-02-20 Method and system with function of temperature compensation control motor
AU2012220884A AU2012220884A1 (en) 2011-02-23 2012-02-20 Method and system for controlling an electrical motor with temperature compensation
BR112013021505-4A BR112013021505B1 (en) 2011-02-23 2012-02-20 METHOD AND SYSTEM FOR CONTROLLING AN ELECTRIC MOTOR
JP2013555470A JP2014515244A (en) 2011-02-23 2012-02-20 Method and system for controlling an electric motor with temperature compensation

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201161445650P 2011-02-23 2011-02-23
US61/445,650 2011-02-23
US13/169,407 2011-06-27
US13/169,407 US8547045B2 (en) 2011-02-23 2011-06-27 Method and system controlling an electrical motor with temperature compensation

Publications (2)

Publication Number Publication Date
WO2012115897A2 WO2012115897A2 (en) 2012-08-30
WO2012115897A3 true WO2012115897A3 (en) 2014-04-17

Family

ID=46652199

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2012/025796 WO2012115897A2 (en) 2011-02-23 2012-02-20 Method and system for controlling an electrical motor with temperature compensation

Country Status (7)

Country Link
US (1) US8547045B2 (en)
EP (1) EP2678939B1 (en)
JP (1) JP2014515244A (en)
CN (1) CN103931096B (en)
AU (1) AU2012220884A1 (en)
BR (1) BR112013021505B1 (en)
WO (1) WO2012115897A2 (en)

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Also Published As

Publication number Publication date
US8547045B2 (en) 2013-10-01
JP2014515244A (en) 2014-06-26
CN103931096A (en) 2014-07-16
BR112013021505B1 (en) 2021-07-20
AU2012220884A1 (en) 2013-09-12
CN103931096B (en) 2016-08-24
EP2678939A2 (en) 2014-01-01
BR112013021505A2 (en) 2020-07-21
WO2012115897A2 (en) 2012-08-30
US20120212169A1 (en) 2012-08-23
EP2678939A4 (en) 2017-11-01
EP2678939B1 (en) 2020-10-07

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