WO2004068693A3 - Brushless and sensorless dc motor control system with locked and stopped rotor detection - Google Patents

Brushless and sensorless dc motor control system with locked and stopped rotor detection Download PDF

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Publication number
WO2004068693A3
WO2004068693A3 PCT/US2004/003557 US2004003557W WO2004068693A3 WO 2004068693 A3 WO2004068693 A3 WO 2004068693A3 US 2004003557 W US2004003557 W US 2004003557W WO 2004068693 A3 WO2004068693 A3 WO 2004068693A3
Authority
WO
WIPO (PCT)
Prior art keywords
motor
motor control
rotor
control system
sensorless
Prior art date
Application number
PCT/US2004/003557
Other languages
French (fr)
Other versions
WO2004068693A2 (en
Inventor
Arnold G Wyatt
Robert Terry
Original Assignee
Tecumseh Products Co
Arnold G Wyatt
Robert Terry
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 Tecumseh Products Co, Arnold G Wyatt, Robert Terry filed Critical Tecumseh Products Co
Priority to BR0406949-8A priority Critical patent/BRPI0406949A/en
Priority to CA002513550A priority patent/CA2513550A1/en
Priority to EP04704980A priority patent/EP1586160A2/en
Publication of WO2004068693A2 publication Critical patent/WO2004068693A2/en
Publication of WO2004068693A3 publication Critical patent/WO2004068693A3/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
    • F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/02—Stopping, starting, unloading or idling control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/06—Control using electricity
    • F04B49/065—Control using electricity and making use of computers
    • 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
    • H02P29/02—Providing protection against overload without automatic interruption of supply
    • 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
    • H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
    • H02P6/12—Monitoring commutation; Providing indication of commutation failure
    • 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
    • H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
    • H02P6/14—Electronic commutators
    • H02P6/16—Circuit arrangements for detecting position
    • H02P6/18—Circuit arrangements for detecting position without separate position detecting elements
    • H02P6/182—Circuit arrangements for detecting position without separate position detecting elements using back-emf in windings
    • 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
    • H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
    • H02P6/34—Modelling or simulation for control purposes
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S388/00—Electricity: motor control systems
    • Y10S388/907—Specific control circuit element or device
    • Y10S388/909—Monitoring means

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)

Abstract

A motor control system (20) for a brushless and sensorless DC motor (22) for driving a compressor (28), pump or other application, includes a protection and fault detection circuit (42) for detecting a locked rotor (26) and a rotor which has stopped because of lost rotor phase lock. The motor control system also includes an off-the­shelf motor control integrated circuit (40) having an input for disabling power outputs to the motor phase coils. The protection and fault detection circuit uses a back EMF sampling circuit (54) coupled to the motor phase coils (24a-24c) and momentarily disables power to the motor phase coils, via the motor control integrated circuit input, to determine if the motor rotor is rotating. The system also monitors supply voltage, supply current, temperature, and motor speed limits to detect faults and protect system components.
PCT/US2004/003557 2003-01-24 2004-01-23 Brushless and sensorless dc motor control system with locked and stopped rotor detection WO2004068693A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BR0406949-8A BRPI0406949A (en) 2003-01-24 2004-01-23 Brushless, sensorless dc motor control system with locked and stopped rotor detection
CA002513550A CA2513550A1 (en) 2003-01-24 2004-01-23 Brushless and sensorless dc motor control system with locked and stopped rotor detection
EP04704980A EP1586160A2 (en) 2003-01-24 2004-01-23 Brushless and sensorless dc motor control system with locked and stopped rotor detection

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US44264803P 2003-01-24 2003-01-24
US60/422,648 2003-01-24

Publications (2)

Publication Number Publication Date
WO2004068693A2 WO2004068693A2 (en) 2004-08-12
WO2004068693A3 true WO2004068693A3 (en) 2005-03-24

Family

ID=35006325

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/003557 WO2004068693A2 (en) 2003-01-24 2004-01-23 Brushless and sensorless dc motor control system with locked and stopped rotor detection

Country Status (6)

Country Link
US (1) US7042180B2 (en)
EP (1) EP1586160A2 (en)
CN (1) CN1742427A (en)
BR (1) BRPI0406949A (en)
CA (1) CA2513550A1 (en)
WO (1) WO2004068693A2 (en)

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