GB845600A - Improvements in or relating to servo systems - Google Patents
Improvements in or relating to servo systemsInfo
- Publication number
- GB845600A GB845600A GB33448/57A GB3344857A GB845600A GB 845600 A GB845600 A GB 845600A GB 33448/57 A GB33448/57 A GB 33448/57A GB 3344857 A GB3344857 A GB 3344857A GB 845600 A GB845600 A GB 845600A
- Authority
- GB
- United Kingdom
- Prior art keywords
- amplifier
- limiter
- phase
- signal
- control
- 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
- G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
- G05D1/08—Control of attitude, i.e. control of roll, pitch, or yaw
- G05D1/0808—Control of attitude, i.e. control of roll, pitch, or yaw specially adapted for aircraft
- G05D1/0816—Control of attitude, i.e. control of roll, pitch, or yaw specially adapted for aircraft to ensure stability
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Aviation & Aerospace Engineering (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
Abstract
845,600. Automatic control systems. SMITH & SONS (ENGLAND) Ltd., S. Oct. 27, 1958 [Oct. 25, 1957], No. 33448/57. Drawings to Specification. Class 38 (4). In a closed loop control system for positioning an object, the control signal is applied through an amplifier, phase advancer, limiter, and phase retarder, arranged in cascade, to control a servomotor. In the arrangement described an electric signal corresponding to a desired attitude of an aircraft is applied, in opposition with a signal derived from a position gyro on the craft, to an amplifier feeding a phase advance network, a limiter and a phase lag network in cascade. The overall transfer function of the three latter units is unity unless the signal exceeds the limit of the limiter, in which case the arrangement improves stability. The output signal is applied through a second amplifier to energize an electro-hydraulic valve controlling an hydraulic jack which operates a control surface to correct the attitude of the aircraft. A position feedback signal derived from operation of the jack is applied to the input of the second amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB33448/57A GB845600A (en) | 1957-10-25 | 1957-10-25 | Improvements in or relating to servo systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB33448/57A GB845600A (en) | 1957-10-25 | 1957-10-25 | Improvements in or relating to servo systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB845600A true GB845600A (en) | 1960-08-24 |
Family
ID=10353086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB33448/57A Expired GB845600A (en) | 1957-10-25 | 1957-10-25 | Improvements in or relating to servo systems |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB845600A (en) |
-
1957
- 1957-10-25 GB GB33448/57A patent/GB845600A/en not_active Expired
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