IMPROVED NAVIGATION FOR A VEHICLE BY IMPLEMENTING TWO OPERATING MODES
A robotic lawnmower (100) for movable operation within a work area (205) has a satellite navigation device (190), a landmark scanner (193) and a controller (110). The controller causes the robotic lawnmower (100) to movably operate within the work area (205) in a first operating mode, the first oper...
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| creator | Holmström, Jonathan Reigo, Peter |
| description | A robotic lawnmower (100) for movable operation within a work area (205) has a satellite navigation device (190), a landmark scanner (193) and a controller (110). The controller causes the robotic lawnmower (100) to movably operate within the work area (205) in a first operating mode, the first operating mode being based on positions determined from satellite signals received by the satellite navigation device (190). The controller determines that a position cannot be reliably determined based on satellite signals received by the satellite navigation device (190), and in response thereto causes the robotic lawnmower (100) to movably operate within the work area (205) in a second operating mode. In the second operating mode, the controller receives scanning information from said landmark scanner (193) and identifies at least one landmark based on the received scanning information and determines a landmark-based position estimate. The controller defines a search space using the landmark-based position estimate, and the satellite navigation device (190) is reconstructed based on the defined search space. Once the satellite navigation device (190) has been reconstructed, the controller causes the robotic lawnmower (100) to again operate in the first |
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The controller causes the robotic lawnmower (100) to movably operate within the work area (205) in a first operating mode, the first operating mode being based on positions determined from satellite signals received by the satellite navigation device (190). The controller determines that a position cannot be reliably determined based on satellite signals received by the satellite navigation device (190), and in response thereto causes the robotic lawnmower (100) to movably operate within the work area (205) in a second operating mode. In the second operating mode, the controller receives scanning information from said landmark scanner (193) and identifies at least one landmark based on the received scanning information and determines a landmark-based position estimate. The controller defines a search space using the landmark-based position estimate, and the satellite navigation device (190) is reconstructed based on the defined search space. Once the satellite navigation device (190) has been reconstructed, the controller causes the robotic lawnmower (100) to again operate in the first</description><language>eng</language><subject>ANALOGOUS ARRANGEMENTS USING OTHER WAVES ; CONTROLLING ; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES ; MEASURING ; PHYSICS ; RADIO DIRECTION-FINDING ; RADIO NAVIGATION ; REGULATING ; SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES ; TESTING</subject><creationdate>2018</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=20181220&DB=EPODOC&CC=US&NR=2018364735A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20181220&DB=EPODOC&CC=US&NR=2018364735A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Holmström, Jonathan</creatorcontrib><creatorcontrib>Reigo, Peter</creatorcontrib><title>IMPROVED NAVIGATION FOR A VEHICLE BY IMPLEMENTING TWO OPERATING MODES</title><description>A robotic lawnmower (100) for movable operation within a work area (205) has a satellite navigation device (190), a landmark scanner (193) and a controller (110). The controller causes the robotic lawnmower (100) to movably operate within the work area (205) in a first operating mode, the first operating mode being based on positions determined from satellite signals received by the satellite navigation device (190). The controller determines that a position cannot be reliably determined based on satellite signals received by the satellite navigation device (190), and in response thereto causes the robotic lawnmower (100) to movably operate within the work area (205) in a second operating mode. In the second operating mode, the controller receives scanning information from said landmark scanner (193) and identifies at least one landmark based on the received scanning information and determines a landmark-based position estimate. The controller defines a search space using the landmark-based position estimate, and the satellite navigation device (190) is reconstructed based on the defined search space. Once the satellite navigation device (190) has been reconstructed, the controller causes the robotic lawnmower (100) to again operate in the first</description><subject>ANALOGOUS ARRANGEMENTS USING OTHER WAVES</subject><subject>CONTROLLING</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>PHYSICS</subject><subject>RADIO DIRECTION-FINDING</subject><subject>RADIO NAVIGATION</subject><subject>REGULATING</subject><subject>SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES</subject><subject>TESTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2018</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHD19A0I8g9zdVHwcwzzdHcM8fT3U3DzD1JwVAhz9fB09nFVcIpUACrycfV19Qvx9HNXCAn3V_APcA1yBPN8_V1cg3kYWNMSc4pTeaE0N4Oym2uIs4duakF-fGpxQWJyal5qSXxosJGBoYWxmYm5samjoTFxqgA3Xi0L</recordid><startdate>20181220</startdate><enddate>20181220</enddate><creator>Holmström, Jonathan</creator><creator>Reigo, Peter</creator><scope>EVB</scope></search><sort><creationdate>20181220</creationdate><title>IMPROVED NAVIGATION FOR A VEHICLE BY IMPLEMENTING TWO OPERATING MODES</title><author>Holmström, Jonathan ; Reigo, Peter</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US2018364735A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2018</creationdate><topic>ANALOGOUS ARRANGEMENTS USING OTHER WAVES</topic><topic>CONTROLLING</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>PHYSICS</topic><topic>RADIO DIRECTION-FINDING</topic><topic>RADIO NAVIGATION</topic><topic>REGULATING</topic><topic>SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES</topic><topic>TESTING</topic><toplevel>online_resources</toplevel><creatorcontrib>Holmström, Jonathan</creatorcontrib><creatorcontrib>Reigo, Peter</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Holmström, Jonathan</au><au>Reigo, Peter</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>IMPROVED NAVIGATION FOR A VEHICLE BY IMPLEMENTING TWO OPERATING MODES</title><date>2018-12-20</date><risdate>2018</risdate><abstract>A robotic lawnmower (100) for movable operation within a work area (205) has a satellite navigation device (190), a landmark scanner (193) and a controller (110). The controller causes the robotic lawnmower (100) to movably operate within the work area (205) in a first operating mode, the first operating mode being based on positions determined from satellite signals received by the satellite navigation device (190). The controller determines that a position cannot be reliably determined based on satellite signals received by the satellite navigation device (190), and in response thereto causes the robotic lawnmower (100) to movably operate within the work area (205) in a second operating mode. In the second operating mode, the controller receives scanning information from said landmark scanner (193) and identifies at least one landmark based on the received scanning information and determines a landmark-based position estimate. The controller defines a search space using the landmark-based position estimate, and the satellite navigation device (190) is reconstructed based on the defined search space. Once the satellite navigation device (190) has been reconstructed, the controller causes the robotic lawnmower (100) to again operate in the first</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
| recordid | cdi_epo_espacenet_US2018364735A1 |
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| subjects | ANALOGOUS ARRANGEMENTS USING OTHER WAVES CONTROLLING DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION REGULATING SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES TESTING |
| title | IMPROVED NAVIGATION FOR A VEHICLE BY IMPLEMENTING TWO OPERATING MODES |
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