DE69618745D1 - Pulsweitenmodulationssteuerung mit erhöhter Auflösung - Google Patents
Pulsweitenmodulationssteuerung mit erhöhter AuflösungInfo
- Publication number
- DE69618745D1 DE69618745D1 DE69618745T DE69618745T DE69618745D1 DE 69618745 D1 DE69618745 D1 DE 69618745D1 DE 69618745 T DE69618745 T DE 69618745T DE 69618745 T DE69618745 T DE 69618745T DE 69618745 D1 DE69618745 D1 DE 69618745D1
- Authority
- DE
- Germany
- Prior art keywords
- pulse width
- width modulation
- modulation control
- increased resolution
- resolution
- 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 - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K7/00—Modulating pulses with a continuously-variable modulating signal
- H03K7/08—Duration or width modulation ; Duty cycle modulation
-
- 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
- H02P7/03—Arrangements for regulating or controlling the speed or torque of electric DC motors for controlling the direction of rotation of DC motors
- H02P7/04—Arrangements for regulating or controlling the speed or torque of electric DC motors for controlling the direction of rotation of DC motors by means of a H-bridge circuit
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
- Control Of Ac Motors In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/554,173 US5589805A (en) | 1995-11-06 | 1995-11-06 | Enhanced resolution pulse width modulation control |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69618745D1 true DE69618745D1 (de) | 2002-03-14 |
DE69618745T2 DE69618745T2 (de) | 2002-08-14 |
Family
ID=24212312
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69618745T Expired - Fee Related DE69618745T2 (de) | 1995-11-06 | 1996-10-14 | Pulsweitenmodulationssteuerung mit erhöhter Auflösung |
Country Status (3)
Country | Link |
---|---|
US (1) | US5589805A (de) |
EP (1) | EP0772285B1 (de) |
DE (1) | DE69618745T2 (de) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5739711A (en) * | 1995-12-01 | 1998-04-14 | Lucent Technologies Inc. | Regulation circuit for bipolar voltage switching circuits having logic circuitry using a single error amplifier for regulation of both positive and negative voltages |
FR2746986B1 (fr) * | 1996-03-29 | 1998-04-24 | Sgs Thomson Microelectronics | Circuit de production d'impulsions |
DE19729431C2 (de) * | 1997-07-09 | 2000-05-31 | Siemens Ag | Ansteuereinrichtung, Schaltverstärker und Ansteuerverfahren |
FR2766308B1 (fr) * | 1997-07-18 | 2001-05-11 | Peugeot | Procede pour attenuer les effets des emissions electromagnetiques parasites produites par un signal de commande |
CA2380705A1 (en) * | 1999-03-29 | 2000-10-05 | Zahid Ansari | Method and apparatus for providing pulse width modulation |
US6487246B1 (en) * | 1999-04-08 | 2002-11-26 | National Semiconductor Corporation | Method and apparatus for programmable pulse width modulated signal generation with period and duty cycle values updated with controlled relative timing |
US6392418B1 (en) * | 1999-09-16 | 2002-05-21 | Delphi Technologies, Inc. | Torque current comparison for current reasonableness diagnostics in a permanent magnet electric machine |
US6476577B1 (en) | 1999-09-22 | 2002-11-05 | Visteon Global Tech., Inc. | Motor control circuit |
US6155126A (en) * | 1999-10-18 | 2000-12-05 | Borgwarner Inc. | Integrated shift motor and electronic controller |
US7176948B2 (en) * | 2000-04-12 | 2007-02-13 | Honeywell International Inc. | Method, apparatus and computer program product for controlling LED backlights and for improved pulse width modulation resolution |
EP1178605A1 (de) * | 2000-07-19 | 2002-02-06 | Abb Research Ltd. | Verfahren und Vorrichtung zur Pulsbreitenmodulation |
DE10146096A1 (de) * | 2001-09-19 | 2003-04-24 | Bosch Gmbh Robert | Vorrichtung und Verfahren zum Erzeugen pulsweitenmodulierter Ausgangssignale |
US6762577B2 (en) | 2001-11-14 | 2004-07-13 | General Electric Company | DC motor speed control system |
US6674962B2 (en) * | 2002-01-29 | 2004-01-06 | Siemens Vdo Automotive, Inc. | Limited-pool random frequency for DC brush motor low frequency PWM speed control |
CN100483918C (zh) * | 2002-01-30 | 2009-04-29 | 皇家飞利浦电子股份有限公司 | 具有一个为负载产生电信号的电桥的系统和该系统的一个控制单元 |
DE10208616B3 (de) * | 2002-02-27 | 2004-01-22 | Robert Bosch Gmbh | Verfahren und Steuereinheit zur Ansteuerung einer Steuerschaltung |
US6538484B1 (en) * | 2002-03-18 | 2003-03-25 | Lynx-Photonic Networks Ltd. | High-frequency PWM voltage control |
US7190135B2 (en) * | 2002-06-26 | 2007-03-13 | Delphi Technologies, Inc. | Method of inverter linearization in electric machines through secondary modulation |
DE10255587B4 (de) * | 2002-11-28 | 2006-07-13 | Insta Elektro Gmbh | Verfahren zur signalabhängigen Stellgrößenänderung von Aktoren |
JP3939642B2 (ja) * | 2002-12-27 | 2007-07-04 | カルソニックカンセイ株式会社 | アクチュエータ用駆動制御装置 |
TWI220332B (en) * | 2003-06-26 | 2004-08-11 | Delta Electronics Inc | Driving circuit for switches of direct current fan motor |
US7200173B2 (en) * | 2003-10-27 | 2007-04-03 | Tushar Prakash Ringe | Method and apparatus for generating a distortionless pulse width modulated waveform |
US7158865B2 (en) * | 2004-02-25 | 2007-01-02 | Sandu Margarit Smarandache | Current driver employing pulse-width modulation |
WO2009122333A2 (en) * | 2008-03-31 | 2009-10-08 | Nxp B.V. | Digital modulator |
US20100085676A1 (en) * | 2008-10-03 | 2010-04-08 | Honeywell International Inc. | Nested pulse width modulation control |
FR2938302B1 (fr) * | 2008-11-13 | 2010-12-31 | Snecma | Dispositif d'ajustement d'une variable de fonctionnement d'un moteur |
DE102009041943B4 (de) * | 2009-09-17 | 2017-09-28 | Volkswagen Ag | Verfahren und Vorrichtung zum Steuern einer Lichtquelle mittels Pulsmodulation |
DE102009047645A1 (de) * | 2009-12-08 | 2011-06-09 | Robert Bosch Gmbh | Elektromotor mit einem Pulsweitenmodulator |
US10263515B2 (en) * | 2016-04-14 | 2019-04-16 | Licon Technology Corporation | Quasi-analog digital pulse-width modulation control |
DE102021204024A1 (de) | 2021-04-22 | 2022-10-27 | Lenze Se | Verfahren zum Betreiben eines Frequenzumrichters und Frequenzumrichter |
US11991062B2 (en) * | 2021-10-18 | 2024-05-21 | Infineon Technologies Ag | Adaptation to a pulse width modulation frequency variation for a sensor operating in a synchronous mode |
TWI809623B (zh) * | 2021-12-27 | 2023-07-21 | 茂達電子股份有限公司 | 顯示裝置的調光方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5023535A (en) * | 1989-04-21 | 1991-06-11 | Vickers, Incorporated | High resolution pulse width modulation |
DE4122945A1 (de) * | 1991-07-11 | 1993-01-14 | Philips Patentverwaltung | Mikroprozessorgesteuerter gleichspannungswandler |
US5355136A (en) * | 1991-10-24 | 1994-10-11 | Sankyo Seiki Mfg. Co., Ltd. | Analog-to-digital converter circuit |
-
1995
- 1995-11-06 US US08/554,173 patent/US5589805A/en not_active Expired - Lifetime
-
1996
- 1996-10-14 DE DE69618745T patent/DE69618745T2/de not_active Expired - Fee Related
- 1996-10-14 EP EP96202855A patent/EP0772285B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69618745T2 (de) | 2002-08-14 |
EP0772285A1 (de) | 1997-05-07 |
EP0772285B1 (de) | 2002-01-23 |
US5589805A (en) | 1996-12-31 |
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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 |