DE3343382C2 - - Google Patents
Info
- Publication number
- DE3343382C2 DE3343382C2 DE19833343382 DE3343382A DE3343382C2 DE 3343382 C2 DE3343382 C2 DE 3343382C2 DE 19833343382 DE19833343382 DE 19833343382 DE 3343382 A DE3343382 A DE 3343382A DE 3343382 C2 DE3343382 C2 DE 3343382C2
- Authority
- DE
- Germany
- Prior art keywords
- pulse
- counter
- speed
- gate
- oscillator
- 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
- 238000005259 measurement Methods 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 28
- 238000012937 correction Methods 0.000 claims description 14
- 230000015654 memory Effects 0.000 claims description 14
- 238000005452 bending Methods 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 6
- 230000006399 behavior Effects 0.000 claims description 2
- 230000010355 oscillation Effects 0.000 claims description 2
- 238000012360 testing method Methods 0.000 claims description 2
- 238000011144 upstream manufacturing Methods 0.000 claims 8
- 230000003247 decreasing effect Effects 0.000 claims 1
- 230000001133 acceleration Effects 0.000 description 18
- 230000001419 dependent effect Effects 0.000 description 15
- 230000010363 phase shift Effects 0.000 description 14
- 230000008859 change Effects 0.000 description 11
- 230000008569 process Effects 0.000 description 5
- 238000011156 evaluation Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/06—Bending rods, profiles, or tubes in press brakes or between rams and anvils or abutments; Pliers with forming dies
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/56—Devices characterised by the use of electric or magnetic means for comparing two speeds
- G01P3/565—Devices characterised by the use of electric or magnetic means for comparing two speeds by measuring or by comparing the phase of generated current or voltage
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/56—Devices characterised by the use of electric or magnetic means for comparing two speeds
- G01P3/60—Devices characterised by the use of electric or magnetic means for comparing two speeds by measuring or comparing frequency of generated currents or voltages
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT446382A AT384675B (de) | 1982-12-07 | 1982-12-07 | Verfahren zur ermittlung der differenz der anzahl der umdrehungen von zwei wellen od.dgl. sowie schaltungsanordnung zur durchfuehrung dieses verfahrens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3343382A1 DE3343382A1 (de) | 1984-06-07 |
| DE3343382C2 true DE3343382C2 (enrdf_load_stackoverflow) | 1988-03-03 |
Family
ID=3564353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19833343382 Granted DE3343382A1 (de) | 1982-12-07 | 1983-11-30 | Verfahren zur ermittlung der differenz der anzahl der umdrehungen, schaltungsanordnung zur durchfuehrung dieses verfahrens sowie verfahren zur steuerung des bandzuges in einer biegestreckrichtanlage |
Country Status (5)
| Country | Link |
|---|---|
| AT (1) | AT384675B (enrdf_load_stackoverflow) |
| DD (1) | DD222108A5 (enrdf_load_stackoverflow) |
| DE (1) | DE3343382A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2537284A1 (enrdf_load_stackoverflow) |
| SU (1) | SU1268093A3 (enrdf_load_stackoverflow) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1167073B (de) * | 1961-03-02 | 1964-04-02 | Siemens Ag | Einrichtung zur Erfassung von kurzzeitig auftretenden Drehzahlunterschieden |
| FR2209104B1 (enrdf_load_stackoverflow) * | 1972-08-25 | 1975-03-07 | Ctre Tech Ind P1Piers | |
| US3848443A (en) * | 1973-05-31 | 1974-11-19 | Westinghouse Electric Corp | Automatic control method and apparatus for a rolling mill |
| JPS5725766B2 (enrdf_load_stackoverflow) * | 1973-12-12 | 1982-06-01 | ||
| FR2458803A1 (fr) * | 1979-06-07 | 1981-01-02 | Etu Rech Machine Outil Centre | Procede de mesure des defauts d'une chaine cinematique |
-
1982
- 1982-12-07 AT AT446382A patent/AT384675B/de active
-
1983
- 1983-11-30 DE DE19833343382 patent/DE3343382A1/de active Granted
- 1983-12-05 DD DD25751983A patent/DD222108A5/de unknown
- 1983-12-06 SU SU833677551A patent/SU1268093A3/ru active
- 1983-12-07 FR FR8319592A patent/FR2537284A1/fr active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DD222108A5 (de) | 1985-05-08 |
| FR2537284A1 (fr) | 1984-06-08 |
| ATA446382A (de) | 1987-05-15 |
| DE3343382A1 (de) | 1984-06-07 |
| AT384675B (de) | 1987-12-28 |
| SU1268093A3 (ru) | 1986-10-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |