Electric assisted bicycle, drive system thereof, and control method
In a drive system of an electric assisted bicycle, a controller includes a vehicle speed calculator to calculate a change gear ratio of a change gear mechanism based on an output signal of a vehicle speed sensor and an output signal of a rotation sensor in response to acquisition of the output signa...
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| creator | Higashi, Toshihiko Hattori, Yoichiro |
| description | In a drive system of an electric assisted bicycle, a controller includes a vehicle speed calculator to calculate a change gear ratio of a change gear mechanism based on an output signal of a vehicle speed sensor and an output signal of a rotation sensor in response to acquisition of the output signal of the vehicle speed sensor, and calculate a vehicle speed based on the calculated change gear ratio and the output signal of the rotation sensor at a higher frequency than a frequency of the acquisition of the output signal of the vehicle speed sensor. The controller includes an initial target calculator to calculate target power without using the output signal of the vehicle speed sensor in a prescribed period from start of walking, when a walk command is received, and a target calculator to calculate a target power based on the vehicle speed calculated by the vehicle speed calculator after a lapse of the prescribed period. |
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The controller includes an initial target calculator to calculate target power without using the output signal of the vehicle speed sensor in a prescribed period from start of walking, when a walk command is received, and a target calculator to calculate a target power based on the vehicle speed calculated by the vehicle speed calculator after a lapse of the prescribed period.</description><language>eng</language><subject>ACCESSORIES PECULIAR TO CYCLES AND NOT OTHERWISE PROVIDED FOR,e.g. ARTICLE CARRIERS, CYCLE PROTECTORS ; CYCLE SADDLES OR SEATS ; CYCLES ; LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS ; PERFORMING OPERATIONS ; POWERED PROPULSION OF SLEDGES OR ; RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES ; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES ; TRANSPORTING</subject><creationdate>2023</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=20231024&DB=EPODOC&CC=US&NR=11794852B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76418</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20231024&DB=EPODOC&CC=US&NR=11794852B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Higashi, Toshihiko</creatorcontrib><creatorcontrib>Hattori, Yoichiro</creatorcontrib><title>Electric assisted bicycle, drive system thereof, and control method</title><description>In a drive system of an electric assisted bicycle, a controller includes a vehicle speed calculator to calculate a change gear ratio of a change gear mechanism based on an output signal of a vehicle speed sensor and an output signal of a rotation sensor in response to acquisition of the output signal of the vehicle speed sensor, and calculate a vehicle speed based on the calculated change gear ratio and the output signal of the rotation sensor at a higher frequency than a frequency of the acquisition of the output signal of the vehicle speed sensor. The controller includes an initial target calculator to calculate target power without using the output signal of the vehicle speed sensor in a prescribed period from start of walking, when a walk command is received, and a target calculator to calculate a target power based on the vehicle speed calculated by the vehicle speed calculator after a lapse of the prescribed period.</description><subject>ACCESSORIES PECULIAR TO CYCLES AND NOT OTHERWISE PROVIDED FOR,e.g. ARTICLE CARRIERS, CYCLE PROTECTORS</subject><subject>CYCLE SADDLES OR SEATS</subject><subject>CYCLES</subject><subject>LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS</subject><subject>PERFORMING OPERATIONS</subject><subject>POWERED PROPULSION OF SLEDGES OR</subject><subject>RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES</subject><subject>TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES</subject><subject>TRANSPORTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2023</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHB2zUlNLinKTFZILC7OLC5JTVFIykyuTM5J1VFIKcosS1UorgSK5iqUZKQWpean6Sgk5qUoJOfnlRTl5yjkppZk5KfwMLCmJeYUp_JCaW4GRTfXEGcP3dSC_PjU4oLE5NS81JL40GBDQ3NLEwtTIycjY2LUAABy2zKH</recordid><startdate>20231024</startdate><enddate>20231024</enddate><creator>Higashi, Toshihiko</creator><creator>Hattori, Yoichiro</creator><scope>EVB</scope></search><sort><creationdate>20231024</creationdate><title>Electric assisted bicycle, drive system thereof, and control method</title><author>Higashi, Toshihiko ; Hattori, Yoichiro</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US11794852B23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2023</creationdate><topic>ACCESSORIES PECULIAR TO CYCLES AND NOT OTHERWISE PROVIDED FOR,e.g. ARTICLE CARRIERS, CYCLE PROTECTORS</topic><topic>CYCLE SADDLES OR SEATS</topic><topic>CYCLES</topic><topic>LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS</topic><topic>PERFORMING OPERATIONS</topic><topic>POWERED PROPULSION OF SLEDGES OR</topic><topic>RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES</topic><topic>TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES</topic><topic>TRANSPORTING</topic><toplevel>online_resources</toplevel><creatorcontrib>Higashi, Toshihiko</creatorcontrib><creatorcontrib>Hattori, Yoichiro</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Higashi, Toshihiko</au><au>Hattori, Yoichiro</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Electric assisted bicycle, drive system thereof, and control method</title><date>2023-10-24</date><risdate>2023</risdate><abstract>In a drive system of an electric assisted bicycle, a controller includes a vehicle speed calculator to calculate a change gear ratio of a change gear mechanism based on an output signal of a vehicle speed sensor and an output signal of a rotation sensor in response to acquisition of the output signal of the vehicle speed sensor, and calculate a vehicle speed based on the calculated change gear ratio and the output signal of the rotation sensor at a higher frequency than a frequency of the acquisition of the output signal of the vehicle speed sensor. The controller includes an initial target calculator to calculate target power without using the output signal of the vehicle speed sensor in a prescribed period from start of walking, when a walk command is received, and a target calculator to calculate a target power based on the vehicle speed calculated by the vehicle speed calculator after a lapse of the prescribed period.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ACCESSORIES PECULIAR TO CYCLES AND NOT OTHERWISE PROVIDED FOR,e.g. ARTICLE CARRIERS, CYCLE PROTECTORS CYCLE SADDLES OR SEATS CYCLES LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS PERFORMING OPERATIONS POWERED PROPULSION OF SLEDGES OR RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES TRANSPORTING |
| title | Electric assisted bicycle, drive system thereof, and control method |
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