GB1080180A - Apparatus for compensating for dead zone in servomechanisms - Google Patents
Apparatus for compensating for dead zone in servomechanismsInfo
- Publication number
- GB1080180A GB1080180A GB4653365A GB4653365A GB1080180A GB 1080180 A GB1080180 A GB 1080180A GB 4653365 A GB4653365 A GB 4653365A GB 4653365 A GB4653365 A GB 4653365A GB 1080180 A GB1080180 A GB 1080180A
- Authority
- GB
- United Kingdom
- Prior art keywords
- counter
- stable circuit
- switch
- reverse
- pulse
- 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
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D3/00—Control of position or direction
- G05D3/12—Control of position or direction using feedback
- G05D3/20—Control of position or direction using feedback using a digital comparing device
Abstract
1,080,180. Electric selective signalling. VYZKUMNY USTAV MATEMATICKYCH STROJU. Nov. 3, 1965, No. 46533/65. Heading G4H. A servomechanism arrangement comprises means for reducing the effect of static friction at the output shaft. Pulses which are to cause movement of the servo are added to clock pulses fed to a first counter for forward movement and subtracted from them for reverse movement. The final stage of the counter 10 feeds a switch 30 leading to one side of a bi-stable circuit 50. A second and equal size counter 20 is also fed by clock pulses, its half count stage feeding a second switch 40 connected to the other side of the bi-stable circuit. When a "forward " pulse passes to the first counter 10, the related switch connects the bi-stable circuit to an earlier stage of the counter. Feedback pulses from the servo return the first counter to synchronism with the second counter, whereupon the first switch reverts to its original state. An analogous operation takes place when a " reverse " pulse is received. In this way the output of the bi-stable circuit is given a relatively large phase displacement in response to the first " forward " or " reverse " pulse to overcome the friction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4653365A GB1080180A (en) | 1965-11-03 | 1965-11-03 | Apparatus for compensating for dead zone in servomechanisms |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4653365A GB1080180A (en) | 1965-11-03 | 1965-11-03 | Apparatus for compensating for dead zone in servomechanisms |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1080180A true GB1080180A (en) | 1967-08-23 |
Family
ID=10441622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4653365A Expired GB1080180A (en) | 1965-11-03 | 1965-11-03 | Apparatus for compensating for dead zone in servomechanisms |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1080180A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0084824A1 (en) * | 1982-01-25 | 1983-08-03 | International Business Machines Corporation | Servo loop system |
| CN106113046A (en) * | 2016-07-13 | 2016-11-16 | 浙江工业大学 | Mechanical arm servosystem dynamic surface transient control methods based on dead band and friciton compensation |
-
1965
- 1965-11-03 GB GB4653365A patent/GB1080180A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0084824A1 (en) * | 1982-01-25 | 1983-08-03 | International Business Machines Corporation | Servo loop system |
| CN106113046A (en) * | 2016-07-13 | 2016-11-16 | 浙江工业大学 | Mechanical arm servosystem dynamic surface transient control methods based on dead band and friciton compensation |
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