Predicting, bounding and mitigating satellite attitude disturbances arising from infrared earth sensors for satellites in inclined, elliptical orbits
Satellite earth sensors (ES) generate scan lines, areas of detected infrared information gathered across the view of the earth by the satellite. The length of these scan lines is utilized by the satellite Attitude Control Subsystem (ACS) to determine the satellite pointing in roll and pitch. There a...
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| creator | HESSLER, III THEODORE ANGLIN PATRICK T CROOM CHRISTOPHER A BOUNDS RONALD W KOKKALAKIS MICHAEL LAM CLAUDIA H CRAWFORD PAUL W |
| description | Satellite earth sensors (ES) generate scan lines, areas of detected infrared information gathered across the view of the earth by the satellite. The length of these scan lines is utilized by the satellite Attitude Control Subsystem (ACS) to determine the satellite pointing in roll and pitch. There are areas on the earth during particular periods of the year that can cause earth radiance gradient disturbance effects, satellite attitude errors caused by the ACS-calculated length of the scan lines becoming faulted. This invention includes methods and systems for minimizing disturbances to the satellite attitude for satellites in inclined, elliptical orbits that use infrared earth sensors to determine pitch and roll angles. These include identifying areas where earth radiance gradient events cause such disturbances and the prediction of times of such occurrences and methods for mitigating the effect of such events. |
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The length of these scan lines is utilized by the satellite Attitude Control Subsystem (ACS) to determine the satellite pointing in roll and pitch. There are areas on the earth during particular periods of the year that can cause earth radiance gradient disturbance effects, satellite attitude errors caused by the ACS-calculated length of the scan lines becoming faulted. This invention includes methods and systems for minimizing disturbances to the satellite attitude for satellites in inclined, elliptical orbits that use infrared earth sensors to determine pitch and roll angles. These include identifying areas where earth radiance gradient events cause such disturbances and the prediction of times of such occurrences and methods for mitigating the effect of such events.</description><edition>7</edition><language>eng</language><subject>AIRCRAFT ; ANALOGOUS ARRANGEMENTS USING OTHER WAVES ; AVIATION ; COSMONAUTICS ; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES ; MEASURING ; PERFORMING OPERATIONS ; PHYSICS ; RADIO DIRECTION-FINDING ; RADIO NAVIGATION ; TESTING ; TRANSPORTING ; VEHICLES OR EQUIPMENT THEREFOR</subject><creationdate>2005</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=20050517&DB=EPODOC&CC=US&NR=6892987B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25545,76296</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20050517&DB=EPODOC&CC=US&NR=6892987B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HESSLER, III THEODORE</creatorcontrib><creatorcontrib>ANGLIN PATRICK T</creatorcontrib><creatorcontrib>CROOM CHRISTOPHER A</creatorcontrib><creatorcontrib>BOUNDS RONALD W</creatorcontrib><creatorcontrib>KOKKALAKIS MICHAEL</creatorcontrib><creatorcontrib>LAM CLAUDIA H</creatorcontrib><creatorcontrib>CRAWFORD PAUL W</creatorcontrib><title>Predicting, bounding and mitigating satellite attitude disturbances arising from infrared earth sensors for satellites in inclined, elliptical orbits</title><description>Satellite earth sensors (ES) generate scan lines, areas of detected infrared information gathered across the view of the earth by the satellite. 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These include identifying areas where earth radiance gradient events cause such disturbances and the prediction of times of such occurrences and methods for mitigating the effect of such events.</description><subject>AIRCRAFT</subject><subject>ANALOGOUS ARRANGEMENTS USING OTHER WAVES</subject><subject>AVIATION</subject><subject>COSMONAUTICS</subject><subject>DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES</subject><subject>LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES</subject><subject>MEASURING</subject><subject>PERFORMING OPERATIONS</subject><subject>PHYSICS</subject><subject>RADIO DIRECTION-FINDING</subject><subject>RADIO NAVIGATION</subject><subject>TESTING</subject><subject>TRANSPORTING</subject><subject>VEHICLES OR EQUIPMENT THEREFOR</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2005</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNjMEKwkAMRHvxIOo_5APqpYK2V0XxKKjnku6mNbDdLUn6Kf6vLQhehYEZZh6zzN43Ic_OOHY5NGmMfkqA0UPPxh3OAygahcBGgGZsoyfwrDZKg9GRAgrrzLWSeuDYCk6nQCj2AqWoSRTaJL8fnahJLnAkn8NcDsYOAyRp2HSdLVoMSpuvrzK4nB-n65aGVJMO6CiS1c_7vqyKqjwci90fyAdp61I6</recordid><startdate>20050517</startdate><enddate>20050517</enddate><creator>HESSLER, III THEODORE</creator><creator>ANGLIN PATRICK T</creator><creator>CROOM CHRISTOPHER A</creator><creator>BOUNDS RONALD W</creator><creator>KOKKALAKIS MICHAEL</creator><creator>LAM CLAUDIA H</creator><creator>CRAWFORD PAUL W</creator><scope>EVB</scope></search><sort><creationdate>20050517</creationdate><title>Predicting, bounding and mitigating satellite attitude disturbances arising from infrared earth sensors for satellites in inclined, elliptical orbits</title><author>HESSLER, III THEODORE ; ANGLIN PATRICK T ; CROOM CHRISTOPHER A ; BOUNDS RONALD W ; KOKKALAKIS MICHAEL ; LAM CLAUDIA H ; CRAWFORD PAUL W</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US6892987B23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2005</creationdate><topic>AIRCRAFT</topic><topic>ANALOGOUS ARRANGEMENTS USING OTHER WAVES</topic><topic>AVIATION</topic><topic>COSMONAUTICS</topic><topic>DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES</topic><topic>LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES</topic><topic>MEASURING</topic><topic>PERFORMING OPERATIONS</topic><topic>PHYSICS</topic><topic>RADIO DIRECTION-FINDING</topic><topic>RADIO NAVIGATION</topic><topic>TESTING</topic><topic>TRANSPORTING</topic><topic>VEHICLES OR EQUIPMENT THEREFOR</topic><toplevel>online_resources</toplevel><creatorcontrib>HESSLER, III THEODORE</creatorcontrib><creatorcontrib>ANGLIN PATRICK T</creatorcontrib><creatorcontrib>CROOM CHRISTOPHER A</creatorcontrib><creatorcontrib>BOUNDS RONALD W</creatorcontrib><creatorcontrib>KOKKALAKIS MICHAEL</creatorcontrib><creatorcontrib>LAM CLAUDIA H</creatorcontrib><creatorcontrib>CRAWFORD PAUL W</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>HESSLER, III THEODORE</au><au>ANGLIN PATRICK T</au><au>CROOM CHRISTOPHER A</au><au>BOUNDS RONALD W</au><au>KOKKALAKIS MICHAEL</au><au>LAM CLAUDIA H</au><au>CRAWFORD PAUL W</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Predicting, bounding and mitigating satellite attitude disturbances arising from infrared earth sensors for satellites in inclined, elliptical orbits</title><date>2005-05-17</date><risdate>2005</risdate><abstract>Satellite earth sensors (ES) generate scan lines, areas of detected infrared information gathered across the view of the earth by the satellite. 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| subjects | AIRCRAFT ANALOGOUS ARRANGEMENTS USING OTHER WAVES AVIATION COSMONAUTICS DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING PERFORMING OPERATIONS PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING TRANSPORTING VEHICLES OR EQUIPMENT THEREFOR |
| title | Predicting, bounding and mitigating satellite attitude disturbances arising from infrared earth sensors for satellites in inclined, elliptical orbits |
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