DE3563568D1 - 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 motorInfo
- Publication number
- DE3563568D1 DE3563568D1 DE8585108930T DE3563568T DE3563568D1 DE 3563568 D1 DE3563568 D1 DE 3563568D1 DE 8585108930 T DE8585108930 T DE 8585108930T DE 3563568 T DE3563568 T DE 3563568T DE 3563568 D1 DE3563568 D1 DE 3563568D1
- Authority
- DE
- Germany
- Prior art keywords
- coil
- time interval
- current
- rotor
- control
- 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
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH364884A CH656776GA3 (de) | 1984-07-27 | 1984-07-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3563568D1 true DE3563568D1 (en) | 1988-08-04 |
Family
ID=4260508
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8585108930T Expired DE3563568D1 (en) | 1984-07-27 | 1985-07-17 | Method and apparatus to recognise the position of the rotor of a stepping motor |
Country Status (7)
Country | Link |
---|---|
US (1) | US4683428A (de) |
EP (1) | EP0171635B1 (de) |
JP (1) | JPS6142298A (de) |
CH (1) | CH656776GA3 (de) |
DE (1) | DE3563568D1 (de) |
HK (1) | HK32592A (de) |
SG (1) | SG42391G (de) |
Families Citing this family (22)
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 |
US8517990B2 (en) | 2007-12-18 | 2013-08-27 | 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 |
WO2014022513A1 (en) | 2012-07-31 | 2014-02-06 | Hospira, Inc. | Patient care system for critical medications |
AU2014268355B2 (en) | 2013-05-24 | 2018-06-14 | Icu Medical, Inc. | Multi-sensor infusion system for detecting air or an occlusion in the infusion system |
AU2014274146B2 (en) | 2013-05-29 | 2019-01-24 | Icu Medical, Inc. | Infusion system which utilizes one or more sensors and additional information to make an air determination regarding the infusion system |
WO2014194065A1 (en) | 2013-05-29 | 2014-12-04 | Hospira, Inc. | Infusion system and method of use which prevents over-saturation of an analog-to-digital converter |
ES2776363T3 (es) | 2014-02-28 | 2020-07-30 | Icu Medical Inc | Sistema de infusión y método que utiliza detección óptica de aire en línea de doble longitud de onda |
AU2015266706B2 (en) | 2014-05-29 | 2020-01-30 | Icu Medical, 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 |
US11246985B2 (en) | 2016-05-13 | 2022-02-15 | Icu Medical, Inc. | Infusion pump system and method with common line auto flush |
CA3027176A1 (en) | 2016-06-10 | 2017-12-14 | 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 |
WO2022020184A1 (en) | 2020-07-21 | 2022-01-27 | 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)
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 (de) * | 1981-02-04 | 1985-01-31 | ||
CH646576GA3 (de) * | 1981-10-02 | 1984-12-14 | ||
EP0085648B1 (de) * | 1982-01-28 | 1985-10-09 | Asulab S.A. | Schrittmotor mit zwei Drehrichtungen, insbesondere für elektronische Uhrwerke, und Motoreinheit, die einen solchen enthält |
-
1984
- 1984-07-27 CH CH364884A patent/CH656776GA3/fr not_active IP Right Cessation
-
1985
- 1985-07-17 EP EP85108930A patent/EP0171635B1/de not_active Expired
- 1985-07-17 US US06/755,753 patent/US4683428A/en not_active Expired - Lifetime
- 1985-07-17 DE DE8585108930T patent/DE3563568D1/de not_active Expired
- 1985-07-26 JP JP16418985A patent/JPS6142298A/ja active Granted
-
1991
- 1991-06-07 SG SG42391A patent/SG42391G/en unknown
-
1992
- 1992-05-07 HK HK325/92A patent/HK32592A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPS6142298A (ja) | 1986-02-28 |
EP0171635B1 (de) | 1988-06-29 |
HK32592A (en) | 1992-05-15 |
US4683428A (en) | 1987-07-28 |
EP0171635A1 (de) | 1986-02-19 |
JPH0116120B2 (de) | 1989-03-22 |
CH656776GA3 (de) | 1986-07-31 |
SG42391G (en) | 1991-07-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |