Method and apparatus for the control of fuel consumption in an airplane
A method for the automatic control of fuel consumption in an airplane, comprises the determination and indication in real time of the specific range of the airplane as a ratio of the ground speed and the fuel flow rate. A maximum specific range is searched and maintained by producing, in the interva...
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| creator | MIHAILOV LYUDMIL K TZEKOV ANTON D BOYADJIEV DIMCHO I KOLCHAKOV KIRIL H BOTEV KOSTADIN B DINEV KOSTADIN J ZAPRYANOV YORDAN D ANDRONOV MICHAIL P MLADENOV DESHO I KOLEV KOLYO E |
| description | A method for the automatic control of fuel consumption in an airplane, comprises the determination and indication in real time of the specific range of the airplane as a ratio of the ground speed and the fuel flow rate. A maximum specific range is searched and maintained by producing, in the intervals between two subsequent searches of the maximum, control actions for maintaining an angle of attack, which corresponds to the last maximum of the specific range. When the conditions under which the maximum has been found to change, a new maximum is searched. An apparatus for performing the method, comprises transducers of ground speed and fuel flow rate, and a computing microprocessor connected via an output and an interface to a digital indicator as well as to a device for controlling the thrust of the airplane engines. |
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A maximum specific range is searched and maintained by producing, in the intervals between two subsequent searches of the maximum, control actions for maintaining an angle of attack, which corresponds to the last maximum of the specific range. When the conditions under which the maximum has been found to change, a new maximum is searched. An apparatus for performing the method, comprises transducers of ground speed and fuel flow rate, and a computing microprocessor connected via an output and an interface to a digital indicator as well as to a device for controlling the thrust of the airplane engines.</description><edition>4</edition><language>eng</language><subject>AIR INTAKES FOR JET-PROPULSION PLANTS ; AIRCRAFT ; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSIONTRANSMISSIONS IN AIRCRAFT ; AVIATION ; BLASTING ; COMBUSTION ENGINES ; CONTROLLING ; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS ; COSMONAUTICS ; EQUIPMENT FOR FITTING IN OR TO AIRCRAFT ; FLYING SUITS ; GAS-TURBINE PLANTS ; HEATING ; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS ; LIGHTING ; MECHANICAL ENGINEERING ; PARACHUTES ; PERFORMING OPERATIONS ; PHYSICS ; REGULATING ; SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES ; TRANSPORTING ; WEAPONS</subject><creationdate>1989</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19890321&DB=EPODOC&CC=US&NR=4814993A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19890321&DB=EPODOC&CC=US&NR=4814993A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MIHAILOV; LYUDMIL K</creatorcontrib><creatorcontrib>TZEKOV; ANTON D</creatorcontrib><creatorcontrib>BOYADJIEV; DIMCHO I</creatorcontrib><creatorcontrib>KOLCHAKOV; KIRIL H</creatorcontrib><creatorcontrib>BOTEV; KOSTADIN B</creatorcontrib><creatorcontrib>DINEV; KOSTADIN J</creatorcontrib><creatorcontrib>ZAPRYANOV; YORDAN D</creatorcontrib><creatorcontrib>ANDRONOV; MICHAIL P</creatorcontrib><creatorcontrib>MLADENOV; DESHO I</creatorcontrib><creatorcontrib>KOLEV; KOLYO E</creatorcontrib><title>Method and apparatus for the control of fuel consumption in an airplane</title><description>A method for the automatic control of fuel consumption in an airplane, comprises the determination and indication in real time of the specific range of the airplane as a ratio of the ground speed and the fuel flow rate. 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A maximum specific range is searched and maintained by producing, in the intervals between two subsequent searches of the maximum, control actions for maintaining an angle of attack, which corresponds to the last maximum of the specific range. When the conditions under which the maximum has been found to change, a new maximum is searched. An apparatus for performing the method, comprises transducers of ground speed and fuel flow rate, and a computing microprocessor connected via an output and an interface to a digital indicator as well as to a device for controlling the thrust of the airplane engines.</abstract><edition>4</edition><oa>free_for_read</oa></addata></record> |
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| subjects | AIR INTAKES FOR JET-PROPULSION PLANTS AIRCRAFT ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSIONTRANSMISSIONS IN AIRCRAFT AVIATION BLASTING COMBUSTION ENGINES CONTROLLING CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS COSMONAUTICS EQUIPMENT FOR FITTING IN OR TO AIRCRAFT FLYING SUITS GAS-TURBINE PLANTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING PARACHUTES PERFORMING OPERATIONS PHYSICS REGULATING SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES TRANSPORTING WEAPONS |
| title | Method and apparatus for the control of fuel consumption in an airplane |
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