DE2120661A1 - Stellsystem mit hydraulischer Verstärkung - Google Patents
Stellsystem mit hydraulischer VerstärkungInfo
- Publication number
- DE2120661A1 DE2120661A1 DE19712120661 DE2120661A DE2120661A1 DE 2120661 A1 DE2120661 A1 DE 2120661A1 DE 19712120661 DE19712120661 DE 19712120661 DE 2120661 A DE2120661 A DE 2120661A DE 2120661 A1 DE2120661 A1 DE 2120661A1
- Authority
- DE
- Germany
- Prior art keywords
- movement
- signal
- hydraulic
- slide valve
- stepping motor
- 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
- 230000003321 amplification Effects 0.000 title claims description 13
- 238000003199 nucleic acid amplification method Methods 0.000 title claims description 13
- 239000012530 fluid Substances 0.000 claims description 13
- 230000004048 modification Effects 0.000 claims description 6
- 238000012986 modification Methods 0.000 claims description 6
- 230000004044 response Effects 0.000 claims description 3
- 230000000670 limiting effect Effects 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims 2
- 230000000903 blocking effect Effects 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 description 9
- 230000009467 reduction Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 230000002787 reinforcement Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 101100286286 Dictyostelium discoideum ipi gene Proteins 0.000 description 1
- 206010035148 Plague Diseases 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B9/00—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member
- F15B9/02—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type
- F15B9/08—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by valves affecting the fluid feed or the fluid outlet of the servomotor
- F15B9/09—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by valves affecting the fluid feed or the fluid outlet of the servomotor with electrical control means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/08—Servomotor systems incorporating electrically operated control means
- F15B21/087—Control strategy, e.g. with block diagram
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/19—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path
- G05B19/40—Open loop systems, e.g. using stepping motor
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Analytical Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Human Computer Interaction (AREA)
- Manufacturing & Machinery (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Mechanical Control Devices (AREA)
- Control Of Stepping Motors (AREA)
- Fluid-Pressure Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US3190570A | 1970-04-27 | 1970-04-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2120661A1 true DE2120661A1 (de) | 1972-11-09 |
Family
ID=21862045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19712120661 Pending DE2120661A1 (de) | 1970-04-27 | 1971-04-27 | Stellsystem mit hydraulischer Verstärkung |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3664234A (enExample) |
| CA (1) | CA948294A (enExample) |
| DE (1) | DE2120661A1 (enExample) |
| FR (1) | FR2086381A1 (enExample) |
| GB (1) | GB1343681A (enExample) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3763745A (en) * | 1972-01-28 | 1973-10-09 | Chandler Evans Inc | Closed center valve control system |
| US3768373A (en) * | 1972-08-28 | 1973-10-30 | Chandler Evans Inc | Linearized pressure gain module |
| US4235156A (en) * | 1978-11-16 | 1980-11-25 | Zenny Olsen | Digital servovalve and method of operation |
| DE3140301A1 (de) * | 1981-10-10 | 1983-04-28 | Bosch und Pierburg System oHG, 4040 Neuss | Regelvorrichtung fuer ein druckgesteuertes stellglied |
| GB2140871A (en) * | 1983-06-03 | 1984-12-05 | Bowthorpe Hellermann Ltd | Piston and cylinder actuator control |
| US5129310A (en) * | 1990-06-15 | 1992-07-14 | Hydraulic Units, Incorporated | Auto rigging for servo actuator system |
| MX9300781A (es) * | 1992-02-13 | 1993-09-30 | Johnson Service Co | Posicionador piloto electronico. |
| DE4410103C1 (de) * | 1994-03-21 | 1995-08-31 | Mannesmann Ag | Antrieb der fluidischen oder elektrischen Bauart mit einer Steuerung |
| US6368522B1 (en) * | 2000-01-03 | 2002-04-09 | Johnson & Johnson Vision Care, Inc. | Mold for forming a contact lens and method of preventing formation of small strands of contact lens material during contact lens manufacture |
| DE102009005998B4 (de) * | 2009-01-23 | 2012-12-27 | Voith Patent Gmbh | Hydraulische Antriebsvorrichtung mit zwei Druckräumen und Verfahren zum Betreiben einer hydraulischen Antriebsvorrichtung mit zwei Druckräumen |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3079899A (en) * | 1959-05-29 | 1963-03-05 | Fuji Tsushinki Seizo Kk | Feedback-type oil-hydraulic drive |
| US3222996A (en) * | 1963-03-29 | 1965-12-14 | Honeywell Inc | Controlling apparatus |
| US3216331A (en) * | 1963-05-24 | 1965-11-09 | Robertshaw Controls Co | Electric-pneumatic process controller |
| US3266378A (en) * | 1964-06-16 | 1966-08-16 | Jared W Shaw | Variable gain solenoid valve control system |
-
1970
- 1970-04-27 US US31905A patent/US3664234A/en not_active Expired - Lifetime
-
1971
- 1971-01-05 CA CA102,031A patent/CA948294A/en not_active Expired
- 1971-04-26 GB GB1131371*[A patent/GB1343681A/en not_active Expired
- 1971-04-26 FR FR7114701A patent/FR2086381A1/fr not_active Withdrawn
- 1971-04-27 DE DE19712120661 patent/DE2120661A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2086381A1 (enExample) | 1971-12-31 |
| CA948294A (en) | 1974-05-28 |
| GB1343681A (en) | 1974-01-16 |
| US3664234A (en) | 1972-05-23 |
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