CA1246717A - Rotorcraft load factor enhancer - Google Patents
Rotorcraft load factor enhancerInfo
- Publication number
- CA1246717A CA1246717A CA000458431A CA458431A CA1246717A CA 1246717 A CA1246717 A CA 1246717A CA 000458431 A CA000458431 A CA 000458431A CA 458431 A CA458431 A CA 458431A CA 1246717 A CA1246717 A CA 1246717A
- Authority
- CA
- Canada
- Prior art keywords
- rotor speed
- signal
- load factor
- pitch rate
- rotor
- 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
- 239000003623 enhancer Substances 0.000 title abstract 2
- 230000001965 increasing effect Effects 0.000 claims abstract description 14
- 230000002708 enhancing effect Effects 0.000 claims description 6
- 230000003750 conditioning effect Effects 0.000 claims 6
- 230000001143 conditioned effect Effects 0.000 claims 3
- 239000000446 fuel Substances 0.000 abstract description 21
- 239000007789 gas Substances 0.000 description 6
- 238000007493 shaping process Methods 0.000 description 4
- 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 3
- 230000001133 acceleration Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000003416 augmentation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910000078 germane Inorganic materials 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035945 sensitivity Effects 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
- H02P23/16—Controlling the angular speed of one shaft
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (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 Turbines (AREA)
- Control Of The Air-Fuel Ratio Of Carburetors (AREA)
- Fuel-Injection Apparatus (AREA)
- Controls For Constant Speed Travelling (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US51933283A | 1983-08-01 | 1983-08-01 | |
| US519,332 | 1983-08-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1246717A true CA1246717A (en) | 1988-12-13 |
Family
ID=24067852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000458431A Expired CA1246717A (en) | 1983-08-01 | 1984-07-09 | Rotorcraft load factor enhancer |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPH0733159B2 (de) |
| CA (1) | CA1246717A (de) |
| DE (1) | DE3428224C2 (de) |
| FR (1) | FR2550161B1 (de) |
| GB (1) | GB2144244B (de) |
| IL (1) | IL72461A (de) |
| IT (1) | IT1174616B (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8807676D0 (en) * | 1988-03-31 | 1988-05-05 | Westland Helicopters | Helicopter control systems |
| US4998202A (en) * | 1989-05-19 | 1991-03-05 | United Technologies Corporation | Helicopter, high rotor load speed enhancement |
| US5265825A (en) * | 1991-08-27 | 1993-11-30 | United Technologies Corporation | Helicopter engine control having yaw input anticipation |
| US5314147A (en) * | 1991-08-27 | 1994-05-24 | United Technologies Corporation | Helicopter engine speed enhancement during heavy rotor load and rapid descent rate maneuvering |
| US5265826A (en) * | 1991-08-27 | 1993-11-30 | United Technologies Corporation | Helicopter engine control having lateral cyclic pitch anticipation |
| FR3000465B1 (fr) | 2012-12-27 | 2015-02-13 | Eurocopter France | Procede d'entrainement en rotation d'un rotor principal de giravion, selon une consigne de vitesse de rotation a valeur variable |
| FR3000466B1 (fr) | 2012-12-27 | 2015-02-13 | Eurocopter France | Procede d'entrainement en rotation d'un rotor de giravion, par anticipation des besoins en couple entre deux consignes de vitesse de rotation du rotor |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2645293A (en) * | 1946-09-14 | 1953-07-14 | Gen Electric | Apparatus for regulating propulsion power plants |
| DE952404C (de) * | 1953-05-18 | 1956-11-15 | Bendix Aviat Corp | Selbsttaetige Steuerungsvorruchtung fuer Flugzeuge |
| US3174551A (en) * | 1963-02-19 | 1965-03-23 | United Aircraft Corp | Power management control for helicopters |
| US3200886A (en) * | 1964-05-28 | 1965-08-17 | Joseph L Magri | Droop compensated fuel control system |
| GB1120327A (en) * | 1967-02-24 | 1968-07-17 | Ltv Aerospace Corp | Autothrottle |
| GB1244160A (en) * | 1967-11-17 | 1971-08-25 | Dowty Rotol Ltd | Engine, propeller and rotor installations |
| US3930366A (en) * | 1974-07-17 | 1976-01-06 | General Motors Corporation | Helicopter power plant control |
| JPS5112012A (ja) * | 1974-07-18 | 1976-01-30 | Mitsubishi Heavy Ind Ltd | Gasutaabinnenshokino kaenkanshisochi |
| US4217754A (en) * | 1977-01-22 | 1980-08-19 | Bodenseewerk Geratetechnik Gmbh | Apparatus for controlling the rotary speed in turbo-jet engines for aircraft |
| US4127245A (en) * | 1977-04-27 | 1978-11-28 | United Technologies Corporation | Helicopter pitch rate feedback bias for pitch axis maneuvering stability and load feel |
| GB2052805B (en) * | 1979-06-29 | 1983-03-09 | Smiths Industries Ltd | Gas-turbine engine control |
| ZA814691B (en) * | 1980-08-08 | 1983-02-23 | Ass Eng Ltd | Automatic speed control systems |
| US4442667A (en) * | 1981-01-14 | 1984-04-17 | Aviation Electric Ltd. | Acceleration limit reset |
| US4423593A (en) * | 1982-04-16 | 1984-01-03 | Chandler Evans Inc. | Fuel control for controlling helicopter rotor/turbine acceleration |
-
1984
- 1984-07-09 CA CA000458431A patent/CA1246717A/en not_active Expired
- 1984-07-11 GB GB08417638A patent/GB2144244B/en not_active Expired
- 1984-07-19 JP JP59150471A patent/JPH0733159B2/ja not_active Expired - Fee Related
- 1984-07-20 IL IL7246184A patent/IL72461A/en not_active IP Right Cessation
- 1984-07-30 FR FR8412065A patent/FR2550161B1/fr not_active Expired
- 1984-07-30 IT IT22117/84A patent/IT1174616B/it active
- 1984-07-31 DE DE3428224A patent/DE3428224C2/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR2550161B1 (fr) | 1988-06-10 |
| FR2550161A1 (fr) | 1985-02-08 |
| IT8422117A0 (it) | 1984-07-30 |
| GB8417638D0 (en) | 1984-08-15 |
| JPH0733159B2 (ja) | 1995-04-12 |
| JPS6038297A (ja) | 1985-02-27 |
| DE3428224A1 (de) | 1985-02-14 |
| IL72461A (en) | 1996-10-16 |
| IT1174616B (it) | 1987-07-01 |
| GB2144244A (en) | 1985-02-27 |
| GB2144244B (en) | 1986-11-12 |
| DE3428224C2 (de) | 2000-02-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |