JPS63159932U - - Google Patents
Info
- Publication number
- JPS63159932U JPS63159932U JP1987052690U JP5269087U JPS63159932U JP S63159932 U JPS63159932 U JP S63159932U JP 1987052690 U JP1987052690 U JP 1987052690U JP 5269087 U JP5269087 U JP 5269087U JP S63159932 U JPS63159932 U JP S63159932U
- Authority
- JP
- Japan
- Prior art keywords
- triangular wave
- signal
- voltage value
- pulse width
- ladder
- 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.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 1
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
- H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
- H02P7/06—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current
- H02P7/18—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power
- H02P7/24—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices
- H02P7/28—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices
- H02P7/285—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only
- H02P7/29—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only using pulse modulation
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/66—Digital/analogue converters
- H03M1/74—Simultaneous conversion
- H03M1/78—Simultaneous conversion using ladder network
- H03M1/785—Simultaneous conversion using ladder network using resistors, i.e. R-2R ladders
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/66—Digital/analogue converters
- H03M1/82—Digital/analogue converters with intermediate conversion to time interval
-
- 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
- Y10S388/915—Sawtooth or ramp waveform generator
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Direct Current Motors (AREA)
- Steering Control In Accordance With Driving Conditions (AREA)
- Pulse Circuits (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987052690U JPS63159932U (US06815460-20041109-C00097.png) | 1987-04-09 | 1987-04-09 | |
US07/179,416 US4871952A (en) | 1987-04-09 | 1988-04-08 | Motor speed control apparatus |
DE3812185A DE3812185A1 (de) | 1987-04-09 | 1988-04-09 | Vorrichtung zur steuerung von motorgeschwindigkeiten |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987052690U JPS63159932U (US06815460-20041109-C00097.png) | 1987-04-09 | 1987-04-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS63159932U true JPS63159932U (US06815460-20041109-C00097.png) | 1988-10-19 |
Family
ID=12921885
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987052690U Pending JPS63159932U (US06815460-20041109-C00097.png) | 1987-04-09 | 1987-04-09 |
Country Status (3)
Country | Link |
---|---|
US (1) | US4871952A (US06815460-20041109-C00097.png) |
JP (1) | JPS63159932U (US06815460-20041109-C00097.png) |
DE (1) | DE3812185A1 (US06815460-20041109-C00097.png) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3911974A1 (de) * | 1989-04-12 | 1990-10-18 | Rump Elektronik Tech | Apparat und verfahren zur erzeugung eines analogen ausgangssignales aus einer digitalen information |
JPH0350074A (ja) * | 1989-04-22 | 1991-03-04 | Mitsubishi Electric Corp | モータ駆動式パワー・ステアリング装置 |
JP2636043B2 (ja) * | 1989-04-26 | 1997-07-30 | 株式会社マキタ | 電動工具のスイッチ回路 |
DE3934215A1 (de) * | 1989-10-13 | 1991-04-18 | Rheydt Kabelwerk Ag | Digital/analogsystem |
US5029229A (en) * | 1989-12-20 | 1991-07-02 | Dax Industries, Inc. | Direct current power control circuit |
US5267344A (en) * | 1989-12-20 | 1993-11-30 | Dax Industries, Inc. | Direct current power control circuit for use in conjunction with regulated input signal |
US5179621A (en) * | 1989-12-20 | 1993-01-12 | Dax Industries, Inc. | Direct current power control circuit |
US5087865A (en) * | 1991-02-22 | 1992-02-11 | Dax Industries, Inc. | Power governance circuitry |
JP2526442B2 (ja) * | 1991-07-11 | 1996-08-21 | ティアック株式会社 | ディスク装置 |
US5267627A (en) * | 1992-03-27 | 1993-12-07 | Imra America, Inc. | Vehicle stability augmentation system |
US5279380A (en) * | 1992-03-27 | 1994-01-18 | Imra America, Inc. | Hydrostatic power steering system |
US5289894A (en) * | 1992-03-31 | 1994-03-01 | Imra America, Inc. | Steering system for a vehicle |
US5317669A (en) * | 1992-05-04 | 1994-05-31 | John Svoboda | Direct current motor speed control apparatus |
US5528721A (en) * | 1992-05-04 | 1996-06-18 | John Svoboda | Direct current motor speed control apparatus |
DE19647983A1 (de) * | 1995-12-04 | 1997-06-05 | Papst Motoren Gmbh & Co Kg | Verfahren zum Regeln einer physikalischen Größe und Anordnung zur Durchführung eines solchen Verfahrens |
JP5402948B2 (ja) * | 2011-01-05 | 2014-01-29 | 日本精工株式会社 | モータ制御装置及びそれを用いた電動パワーステアリング装置 |
JP6173720B2 (ja) * | 2013-03-05 | 2017-08-02 | 日立オートモティブシステムズ株式会社 | モータの駆動装置 |
KR20180085316A (ko) * | 2017-01-18 | 2018-07-26 | 엘지전자 주식회사 | 리니어 압축기의 제어 장치 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3883786A (en) * | 1973-10-12 | 1975-05-13 | Gen Electric | Pulse width modulated servo system |
DE3232303A1 (de) * | 1982-08-31 | 1984-03-01 | Gebr. Märklin & Cie GmbH, 7320 Göppingen | Steuersystem zum unabhaengigen betrieb mehrerer, ueber einen gemeinsamen stromkreis mit energie gespeister modellfahrzeuge wie modellbahnzuege, modellautos etc. |
JPS6018455A (ja) * | 1983-07-09 | 1985-01-30 | Jidosha Kiki Co Ltd | 動力舵取装置の制御方法 |
US4622500A (en) * | 1985-07-11 | 1986-11-11 | The Machlett Laboratories, Inc. | Electric motor controller |
JPS6240075A (ja) * | 1985-08-13 | 1987-02-21 | Toshiba Corp | Pll及びそれを用いたモ−タコントロ−ラ |
US4680516A (en) * | 1986-05-30 | 1987-07-14 | Guzik Technical Enterprises | Motor speed control system |
-
1987
- 1987-04-09 JP JP1987052690U patent/JPS63159932U/ja active Pending
-
1988
- 1988-04-08 US US07/179,416 patent/US4871952A/en not_active Expired - Fee Related
- 1988-04-09 DE DE3812185A patent/DE3812185A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
US4871952A (en) | 1989-10-03 |
DE3812185A1 (de) | 1988-10-27 |