Control of vehicle range calculation
A method of calculating the range of a vehicle comprising an electric motor and a battery comprises determining a first range estimate in dependence on a previous distance travelled, determining a second range estimate based on a portion of the previous distance travelled, and selectively outputting...
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| creator | Stephen Boulter Minsuk Shin Matthew Hancock |
| description | A method of calculating the range of a vehicle comprising an electric motor and a battery comprises determining a first range estimate in dependence on a previous distance travelled, determining a second range estimate based on a portion of the previous distance travelled, and selectively outputting the first or second estimate in dependence on distance travelled or travelable by the vehicle. The selective output may change from outputting the first to the second estimate in dependence on a threshold distance travelled by the vehicle on a journey. Also disclosed is a method of calculating range by receiving state of charge data for the battery, determining first and second calculated energy consumption using a respective first and second estimation method, determining a range estimate in dependence on the state of charge data and the first and second calculated energy consumption, and outputting the range estimate. The dependency on the first or second calculated energy consumption may be changed in dependence on the state of charge data and may be a continuous variation over a range of the state of charge of the battery. As the state of charge decreases, the dependency on the first/second estimate may respectively decrease/increase. |
| format | Patent |
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The selective output may change from outputting the first to the second estimate in dependence on a threshold distance travelled by the vehicle on a journey. Also disclosed is a method of calculating range by receiving state of charge data for the battery, determining first and second calculated energy consumption using a respective first and second estimation method, determining a range estimate in dependence on the state of charge data and the first and second calculated energy consumption, and outputting the range estimate. The dependency on the first or second calculated energy consumption may be changed in dependence on the state of charge data and may be a continuous variation over a range of the state of charge of the battery. As the state of charge decreases, the dependency on the first/second estimate may respectively decrease/increase.</description><language>eng</language><subject>ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL ; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES ; PERFORMING OPERATIONS ; TRANSPORTING ; VEHICLES IN GENERAL</subject><creationdate>2021</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=20210915&DB=EPODOC&CC=GB&NR=2592886A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20210915&DB=EPODOC&CC=GB&NR=2592886A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Stephen Boulter</creatorcontrib><creatorcontrib>Minsuk Shin</creatorcontrib><creatorcontrib>Matthew Hancock</creatorcontrib><title>Control of vehicle range calculation</title><description>A method of calculating the range of a vehicle comprising an electric motor and a battery comprises determining a first range estimate in dependence on a previous distance travelled, determining a second range estimate based on a portion of the previous distance travelled, and selectively outputting the first or second estimate in dependence on distance travelled or travelable by the vehicle. The selective output may change from outputting the first to the second estimate in dependence on a threshold distance travelled by the vehicle on a journey. Also disclosed is a method of calculating range by receiving state of charge data for the battery, determining first and second calculated energy consumption using a respective first and second estimation method, determining a range estimate in dependence on the state of charge data and the first and second calculated energy consumption, and outputting the range estimate. The dependency on the first or second calculated energy consumption may be changed in dependence on the state of charge data and may be a continuous variation over a range of the state of charge of the battery. 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The selective output may change from outputting the first to the second estimate in dependence on a threshold distance travelled by the vehicle on a journey. Also disclosed is a method of calculating range by receiving state of charge data for the battery, determining first and second calculated energy consumption using a respective first and second estimation method, determining a range estimate in dependence on the state of charge data and the first and second calculated energy consumption, and outputting the range estimate. The dependency on the first or second calculated energy consumption may be changed in dependence on the state of charge data and may be a continuous variation over a range of the state of charge of the battery. As the state of charge decreases, the dependency on the first/second estimate may respectively decrease/increase.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES PERFORMING OPERATIONS TRANSPORTING VEHICLES IN GENERAL |
| title | Control of vehicle range calculation |
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