CA1253202A - Microprocessor based motor speed control - Google Patents

Microprocessor based motor speed control

Info

Publication number
CA1253202A
CA1253202A CA000475641A CA475641A CA1253202A CA 1253202 A CA1253202 A CA 1253202A CA 000475641 A CA000475641 A CA 000475641A CA 475641 A CA475641 A CA 475641A CA 1253202 A CA1253202 A CA 1253202A
Authority
CA
Canada
Prior art keywords
motor
speed control
closed loop
open loop
motor speed
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
Application number
CA000475641A
Other languages
French (fr)
Other versions
CA1257645C (en
Inventor
Robert Bradus
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.)
Black and Decker Inc
Original Assignee
Black and Decker Inc
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 Black and Decker Inc filed Critical Black and Decker Inc
Priority to CA000578623A priority Critical patent/CA1257645A/en
Application granted granted Critical
Publication of CA1253202A publication Critical patent/CA1253202A/en
Publication of CA1257645C publication Critical patent/CA1257645C/xx
Expired legal-status Critical Current

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
    • H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
    • H02P23/0077—Characterised by the use of a particular software algorithm
    • 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
    • H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
    • H02P25/02—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the kind of motor
    • H02P25/10—Commutator motors, e.g. repulsion motors
    • H02P25/14—Universal motors
    • H02P25/145—Universal motors whereby the speed is regulated by measuring the motor speed and comparing it with a given physical value, speed feedback

Abstract

A microprocessor based motor controller which provides open loop speed control at low conduction angles, closed loop speed control at high conduction angles, and a smooth transition between open loop and closed loop zones. In open loop, the motor speed is selected and is permitted to vary with applied load. In closed loop, the motor speed is held constant, substantially irrespective of load. In the transition zone, the motor is operated in a hybrid open loop, closed loop fashion. Anti-kickback protection is also provided based on a percentage change in the motor's rotational period.
CA000475641A 1984-03-23 1985-03-04 Microprocessor based motor speed control Expired CA1253202A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA000578623A CA1257645A (en) 1984-03-23 1988-09-27 Method of detecting kickback condition in a motor driven tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US59280984A 1984-03-23 1984-03-23

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA000578623A Division CA1257645A (en) 1984-03-23 1988-09-27 Method of detecting kickback condition in a motor driven tool

Publications (2)

Publication Number Publication Date
CA1253202A true CA1253202A (en) 1989-04-25
CA1257645C CA1257645C (en) 1989-07-18

Family

ID=24372154

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000475641A Expired CA1253202A (en) 1984-03-23 1985-03-04 Microprocessor based motor speed control

Country Status (7)

Country Link
JP (2) JP2630930B2 (en)
AU (1) AU570385B2 (en)
CA (1) CA1253202A (en)
DE (1) DE3510619A1 (en)
FR (1) FR2566977B1 (en)
GB (1) GB2156546B (en)
IT (1) IT1222364B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5923145A (en) * 1997-08-15 1999-07-13 S-B Power Tool Company Controller for variable speed motor
US20040155532A1 (en) * 2003-02-07 2004-08-12 Brotto Daniele C. Method for sensing switch closure to prevent inadvertent startup
JP5462575B2 (en) 2009-10-05 2014-04-02 株式会社マキタ Electric tool

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5058513A (en) * 1971-07-01 1975-05-21
DE2324174A1 (en) * 1973-05-12 1974-11-28 Metabowerke Kg ELECTRIC MOTOR DRIVEN HAND DRILL WITH CONTROLLED SPEED
FR2254056A1 (en) * 1973-12-10 1975-07-04 Mitsubishi Heavy Ind Ltd Semi-open loop servo control system - permits closed loop operation until reference value is approached
DE2546478A1 (en) * 1975-10-17 1977-04-21 Schlafhorst & Co W Winding reel starting circuit - with changeover switches before speed and armature current comparators for thyristor firing circuit
DE2744361A1 (en) * 1977-10-01 1979-04-05 Huebner Johannes Motor speed control system - has tachogenerator pulse train frequency increased or reduced by fixed factor, so as to be equal to reference frequency
DE2829657C2 (en) * 1978-07-06 1986-09-11 Pfaff Haushaltmaschinen Gmbh, 7500 Karlsruhe Speed limitation for a series motor
JPS5534852A (en) * 1978-09-04 1980-03-11 Hitachi Ltd Speed controller of motor
JPS5569899U (en) * 1978-11-02 1980-05-14
US4267914A (en) 1979-04-26 1981-05-19 Black & Decker Inc. Anti-kickback power tool control
US4249117A (en) 1979-05-01 1981-02-03 Black And Decker, Inc. Anti-kickback power tool control
DE2933355A1 (en) * 1979-08-17 1981-03-26 Scintilla Ag, Solothurn ELECTRIC HAND TOOL
US4307325A (en) * 1980-01-28 1981-12-22 Black & Decker Inc. Digital control system for electric motors in power tools and the like
JPS56145792A (en) * 1980-04-10 1981-11-12 Star Seiki:Kk Control circuit for induction type geared motor
DE3101511A1 (en) * 1981-01-19 1982-08-26 Siemens AG, 1000 Berlin und 8000 München METHOD AND ARRANGEMENT FOR DETERMINING THE LOAD OF DEVICES DRIVEN BY AN ELECTRIC MOTOR
JPS598479Y2 (en) * 1982-04-22 1984-03-15 ロ−ベルト・ボツシユ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング Electric rotation speed control device for AC motor
GB2123174A (en) * 1982-06-07 1984-01-25 Singer Co Speed selector for power tool
JPS60100213A (en) * 1983-11-04 1985-06-04 Komatsu Ltd Control method of robot
JPS62247784A (en) * 1986-04-21 1987-10-28 Matsushita Electric Works Ltd Speed control circuit for motor
JPH0512464U (en) * 1991-07-26 1993-02-19 株式会社東芝 Hydraulic elevator power unit

Also Published As

Publication number Publication date
FR2566977A1 (en) 1986-01-03
JPS611297A (en) 1986-01-07
DE3510619A1 (en) 1985-09-26
GB8506389D0 (en) 1985-04-11
JPH06297298A (en) 1994-10-25
GB2156546A (en) 1985-10-09
JP2630930B2 (en) 1997-07-16
CA1257645C (en) 1989-07-18
FR2566977B1 (en) 1995-03-24
AU570385B2 (en) 1988-03-10
GB2156546B (en) 1987-10-21
AU3971685A (en) 1985-09-26
IT1222364B (en) 1990-09-05
JP2852716B2 (en) 1999-02-03
IT8520020A0 (en) 1985-03-22

Similar Documents

Publication Publication Date Title
ATE304186T1 (en) INTELLIGENT ELECTROPHOTOCHROMIC WINDOWS
ZA975989B (en) A semi-active damper with continuous force control.
MY100876A (en) Automatic door with automatic lock system
EP0232042A3 (en) Cast or ductile iron inoculant
CA2008686A1 (en) Method for increasing the speed of an alternating current motor
AU7005987A (en) The use of substituted n-trichloromethyl thiodicarboximides in combination with n,n'-substituted bis-(2,4-diamino-s-triazin-6-yl)-oligosulfides in vulcanizable rubber mixtures and such rubber mixtures
CA2013973A1 (en) Remote controlling device
CA1253202A (en) Microprocessor based motor speed control
Balogh Ecology, distribution, and control of purple loosestrife (Lythrum salicaria) in northwest Ohio
EP0274340A3 (en) Fuel control with smooth mode transition
AU2042683A (en) Frequency controlled asynchronous motor
GR3003180T3 (en) Eyebrow-cover element
JPS6444331A (en) Control device for working vehicle
AU589756B2 (en) The use of substituted N-trichloromethyl thiohydantoins in combination with bis-(2,4-diamino-s-triazin-6-yl)- oligosulfides in vulcanizable rubber mixtures and such rubber mixtures
EP0205211A3 (en) Door window regulator driving system
SU877719A1 (en) Induction electric motor with ball-type rotor
Caporali et al. Heat Treatments in Vacuum Furnaces
DE3661043D1 (en) Sanitary water-fitting
USD298314S (en) Control panel for dimming system or the like
Maiboroda et al. Peculiarities of Powder Displacement With Magnetic--Abrasive Polishing of Small-Size Parts of Complex Shape
USD294501S (en) Control panel for a copier or the like
JPS51129648A (en) Power converter control system
JPS56140546A (en) Auto loading mechanism of tape player
Walton Microprocessors--A Heat Treater's Panacea?
JPS56115155A (en) Clutch motor

Legal Events

Date Code Title Description
MKEX Expiry