SG42391G - Method and apparatus to recognise the position of the rotor of a stepping motor - Google Patents

Method and apparatus to recognise the position of the rotor of a stepping motor

Info

Publication number
SG42391G
SG42391G SG42391A SG42391A SG42391G SG 42391 G SG42391 G SG 42391G SG 42391 A SG42391 A SG 42391A SG 42391 A SG42391 A SG 42391A SG 42391 G SG42391 G SG 42391G
Authority
SG
Singapore
Prior art keywords
coil
time interval
current
rotor
control
Prior art date
Application number
SG42391A
Other languages
English (en)
Original Assignee
Auslab Sa
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 Auslab Sa filed Critical Auslab Sa
Publication of SG42391G publication Critical patent/SG42391G/en

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/14—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor
    • G04C3/143—Means to reduce power consumption by reducing pulse width or amplitude and related problems, e.g. detection of unwanted or missing step
    • 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
    • H02P6/185—Circuit arrangements for detecting position without separate position detecting elements using inductance sensing, e.g. pulse excitation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Stepping Motors (AREA)
  • Control Of Multiple Motors (AREA)
  • Electromechanical Clocks (AREA)
SG42391A 1984-07-27 1991-06-07 Method and apparatus to recognise the position of the rotor of a stepping motor SG42391G (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH364884A CH656776GA3 (it) 1984-07-27 1984-07-27

Publications (1)

Publication Number Publication Date
SG42391G true SG42391G (en) 1991-07-26

Family

ID=4260508

Family Applications (1)

Application Number Title Priority Date Filing Date
SG42391A SG42391G (en) 1984-07-27 1991-06-07 Method and apparatus to recognise the position of the rotor of a stepping motor

Country Status (7)

Country Link
US (1) US4683428A (it)
EP (1) EP0171635B1 (it)
JP (1) JPS6142298A (it)
CH (1) CH656776GA3 (it)
DE (1) DE3563568D1 (it)
HK (1) HK32592A (it)
SG (1) SG42391G (it)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4090927B4 (de) * 1989-06-01 2006-09-21 Papst Licensing Gmbh & Co. Kg Motor, insbesondere kollektorloser Gleichstrommotor
US6285155B1 (en) 1999-10-29 2001-09-04 Abbott Laboratories Pseudo half-step motor drive method and apparatus
US9026370B2 (en) 2007-12-18 2015-05-05 Hospira, Inc. User interface improvements for medical devices
JP5105201B2 (ja) * 2008-07-30 2012-12-26 Ｔｄｋ株式会社 角度検出装置、及び角度検出方法
JP5616138B2 (ja) * 2010-06-17 2014-10-29 パナソニック株式会社 ステッピングモータ駆動装置
US9240002B2 (en) 2011-08-19 2016-01-19 Hospira, Inc. Systems and methods for a graphical interface including a graphical representation of medical data
US10022498B2 (en) 2011-12-16 2018-07-17 Icu Medical, Inc. System for monitoring and delivering medication to a patient and method of using the same to minimize the risks associated with automated therapy
ES2741725T3 (es) 2012-03-30 2020-02-12 Icu Medical Inc Sistema de detección de aire y método para detectar aire en una bomba de un sistema de infusión
ES2743160T3 (es) 2012-07-31 2020-02-18 Icu Medical Inc Sistema de cuidado de pacientes para medicaciones críticas
CA2913421C (en) 2013-05-24 2022-02-15 Hospira, Inc. Multi-sensor infusion system for detecting air or an occlusion in the infusion system
CA2913918C (en) 2013-05-29 2022-02-15 Hospira, Inc. Infusion system and method of use which prevents over-saturation of an analog-to-digital converter
EP3003441B1 (en) 2013-05-29 2020-12-02 ICU Medical, Inc. Infusion system which utilizes one or more sensors and additional information to make an air determination regarding the infusion system
CA2939302C (en) 2014-02-28 2021-12-28 Hospira, Inc. Infusion system and method which utilizes dual wavelength optical air-in-line detection
WO2015184366A1 (en) 2014-05-29 2015-12-03 Hospira, Inc. Infusion system and pump with configurable closed loop delivery rate catch-up
US11344668B2 (en) 2014-12-19 2022-05-31 Icu Medical, Inc. Infusion system with concurrent TPN/insulin infusion
US10850024B2 (en) 2015-03-02 2020-12-01 Icu Medical, Inc. Infusion system, device, and method having advanced infusion features
AU2017264784B2 (en) 2016-05-13 2022-04-21 Icu Medical, Inc. Infusion pump system and method with common line auto flush
EP3468635B1 (en) 2016-06-10 2024-09-25 ICU Medical, Inc. Acoustic flow sensor for continuous medication flow measurements and feedback control of infusion
US10089055B1 (en) 2017-12-27 2018-10-02 Icu Medical, Inc. Synchronized display of screen content on networked devices
US11278671B2 (en) 2019-12-04 2022-03-22 Icu Medical, Inc. Infusion pump with safety sequence keypad
EP4185260A4 (en) 2020-07-21 2024-07-31 Icu Medical Inc FLUID TRANSFER DEVICES AND METHODS OF USE
US11135360B1 (en) 2020-12-07 2021-10-05 Icu Medical, Inc. Concurrent infusion with common line auto flush

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2944872C2 (de) * 1979-11-07 1981-11-19 Gebrüder Junghans GmbH, 7230 Schramberg Anordnung zur Steuerung eines Schrittmotors für batteriebetriebene Geräte
CH641921B (fr) * 1980-02-19 Berney Sa Jean Claude Piece d'horlogerie avec un dispositif de controle du moteur pas a pas.
GB2077002B (en) * 1980-05-21 1983-10-26 Berney Sa Jean Claude Electronic timepiece comprising a control circuit of the motor
CH647383GA3 (it) * 1981-02-04 1985-01-31
CH646576GA3 (it) * 1981-10-02 1984-12-14
EP0085648B1 (fr) * 1982-01-28 1985-10-09 Asulab S.A. Moteur pas à pas à deux sens de rotation, notamment pour pièce d'horlogerie électronique, ainsi qu'ensemble le comprenant

Also Published As

Publication number Publication date
HK32592A (en) 1992-05-15
DE3563568D1 (en) 1988-08-04
EP0171635B1 (fr) 1988-06-29
CH656776GA3 (it) 1986-07-31
US4683428A (en) 1987-07-28
JPS6142298A (ja) 1986-02-28
JPH0116120B2 (it) 1989-03-22
EP0171635A1 (fr) 1986-02-19

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