CA1081828A - Stability augmentation systems - Google Patents
Stability augmentation systemsInfo
- Publication number
- CA1081828A CA1081828A CA270,579A CA270579A CA1081828A CA 1081828 A CA1081828 A CA 1081828A CA 270579 A CA270579 A CA 270579A CA 1081828 A CA1081828 A CA 1081828A
- Authority
- CA
- Canada
- Prior art keywords
- aircraft
- comparator
- signal
- actual
- signals
- 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
- 230000003416 augmentation Effects 0.000 title claims abstract description 48
- 230000005484 gravity Effects 0.000 claims abstract description 24
- 125000004122 cyclic group Chemical group 0.000 claims abstract description 23
- 230000007935 neutral effect Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 7
- 230000001133 acceleration Effects 0.000 claims description 5
- 230000006872 improvement Effects 0.000 claims description 5
- 230000004044 response Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 230000002708 enhancing effect Effects 0.000 claims description 4
- 230000001052 transient effect Effects 0.000 claims 2
- 238000005259 measurement Methods 0.000 abstract description 3
- 230000006870 function Effects 0.000 description 29
- 230000006641 stabilisation Effects 0.000 description 5
- 238000011105 stabilization Methods 0.000 description 5
- 230000003935 attention Effects 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- RZVHIXYEVGDQDX-UHFFFAOYSA-N 9,10-anthraquinone Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3C(=O)C2=C1 RZVHIXYEVGDQDX-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- G05D1/0858—Control of attitude, i.e. control of roll, pitch, or yaw specially adapted for aircraft specially adapted for vertical take-off of aircraft
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
- Navigation (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/675,707 US4032083A (en) | 1976-04-12 | 1976-04-12 | Automatic gain control for stability augmentation systems |
| US675,707 | 1976-04-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1081828A true CA1081828A (en) | 1980-07-15 |
Family
ID=24711644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA270,579A Expired CA1081828A (en) | 1976-04-12 | 1977-01-27 | Stability augmentation systems |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4032083A (OSRAM) |
| JP (1) | JPS52126900A (OSRAM) |
| CA (1) | CA1081828A (OSRAM) |
| DE (1) | DE2715690A1 (OSRAM) |
| FR (1) | FR2348104A1 (OSRAM) |
| GB (1) | GB1538968A (OSRAM) |
| IL (1) | IL51714A (OSRAM) |
| IT (1) | IT1076144B (OSRAM) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4115755A (en) * | 1976-06-11 | 1978-09-19 | United Technologies Corporation | Aerodynamic surface load sensing |
| US4304375A (en) * | 1979-05-17 | 1981-12-08 | Textron Inc. | Electrically controlled elevator |
| US4312042A (en) * | 1979-12-12 | 1982-01-19 | Sundstrand Data Control, Inc. | Weight, balance, and tire pressure detection systems |
| US4312039A (en) * | 1980-01-24 | 1982-01-19 | Sperry Corporation | Transient free synchronization system |
| US4545019A (en) * | 1982-06-18 | 1985-10-01 | Sundstrand Corporation | Aircraft in-flight center of gravity measuring system |
| US5971325A (en) * | 1997-12-23 | 1999-10-26 | Sikorsky Aircraft Corporation | Compensation for rotorcraft pitch axis control saturation |
| US7762501B2 (en) | 2005-08-31 | 2010-07-27 | Bell Helicopter Textron Inc. | Method and apparatus for improving main rotor yoke fatigue life |
| US7742846B2 (en) * | 2006-06-02 | 2010-06-22 | Sikorsky Aircraft Corporation | Surface contact override landing scheme for a FBW rotary-wing aircraft |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA624266A (en) * | 1961-07-25 | Kolisch Emil | Center of gravity equipment for aircraft | |
| US3071335A (en) * | 1958-10-03 | 1963-01-01 | United Aircraft Corp | Flight control system |
| US3194058A (en) * | 1962-09-18 | 1965-07-13 | Kurkjian Haig | Weight and balance determination |
| FR1353123A (fr) * | 1963-02-13 | 1964-02-21 | North American Aviation Inc | Système de commande de vol automatique pour hélicoptère |
| US3616691A (en) * | 1969-03-26 | 1971-11-02 | Bendix Corp | Mission capability indicating system |
| US3701279A (en) * | 1971-02-08 | 1972-10-31 | Electro Dev Corp | Aircraft weight and center of gravity indicator system |
-
1976
- 1976-04-12 US US05/675,707 patent/US4032083A/en not_active Expired - Lifetime
-
1977
- 1977-01-27 CA CA270,579A patent/CA1081828A/en not_active Expired
- 1977-03-22 IL IL51714A patent/IL51714A/xx unknown
- 1977-03-29 GB GB13231/77A patent/GB1538968A/en not_active Expired
- 1977-04-07 DE DE19772715690 patent/DE2715690A1/de not_active Withdrawn
- 1977-04-07 FR FR7710525A patent/FR2348104A1/fr active Granted
- 1977-04-08 IT IT22282/77A patent/IT1076144B/it active
- 1977-04-12 JP JP4195977A patent/JPS52126900A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB1538968A (en) | 1979-01-24 |
| IT1076144B (it) | 1985-04-24 |
| FR2348104A1 (fr) | 1977-11-10 |
| JPS52126900A (en) | 1977-10-25 |
| IL51714A (en) | 1981-07-31 |
| DE2715690A1 (de) | 1977-10-20 |
| FR2348104B1 (OSRAM) | 1982-07-23 |
| US4032083A (en) | 1977-06-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |