REAR WHEEL STEERING DEVICE FOR FOUR-WHEEL STEERING VEHICLE
PURPOSE:To perform steering control accurately on rear wheels, and improve durability of an electric motor for steering the rear wheels in a four-wheel steering vehicle. CONSTITUTION:A microcomputer 35 determines a target rear wheel steering angle according to vehicle speed detected by a vehicle spe...
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| creator | MIYATA TADAYASU FUKAYA KATSUMI KUZUTANI HIDEKI FUJITA KOZO NAKAJIMA HIROSHI UEHARA YASUO |
| description | PURPOSE:To perform steering control accurately on rear wheels, and improve durability of an electric motor for steering the rear wheels in a four-wheel steering vehicle. CONSTITUTION:A microcomputer 35 determines a target rear wheel steering angle according to vehicle speed detected by a vehicle speed sensor 31, a yaw rate detected by a yaw rate sensor 32 and a front wheel steering angle detected by a front wheel steering angle sensor 33, and this determined target rear wheel steering angle is restricted withing a range obtained by adding a limit steering angle variation determined according to speed performance and accelerating performance of an electric motor 21 to a present rear wheel steering angle or the target rear wheel steering angle. According to a difference between the determined and restricted target rear wheel steering angle and a rear wheel steering angle detected by a rear wheel steering angle sensor 34, rotation of the electric motor 21 is controlled, and rear wheels RW1 and RW2 are steered at the target rear wheel steering angle. |
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CONSTITUTION:A microcomputer 35 determines a target rear wheel steering angle according to vehicle speed detected by a vehicle speed sensor 31, a yaw rate detected by a yaw rate sensor 32 and a front wheel steering angle detected by a front wheel steering angle sensor 33, and this determined target rear wheel steering angle is restricted withing a range obtained by adding a limit steering angle variation determined according to speed performance and accelerating performance of an electric motor 21 to a present rear wheel steering angle or the target rear wheel steering angle. According to a difference between the determined and restricted target rear wheel steering angle and a rear wheel steering angle detected by a rear wheel steering angle sensor 34, rotation of the electric motor 21 is controlled, and rear wheels RW1 and RW2 are steered at the target rear wheel steering angle.</description><edition>6</edition><language>eng</language><subject>LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS ; MOTOR VEHICLES ; PERFORMING OPERATIONS ; TRAILERS ; TRANSPORTING</subject><creationdate>1995</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=19950613&DB=EPODOC&CC=JP&NR=H07149252A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19950613&DB=EPODOC&CC=JP&NR=H07149252A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MIYATA TADAYASU</creatorcontrib><creatorcontrib>FUKAYA KATSUMI</creatorcontrib><creatorcontrib>KUZUTANI HIDEKI</creatorcontrib><creatorcontrib>FUJITA KOZO</creatorcontrib><creatorcontrib>NAKAJIMA HIROSHI</creatorcontrib><creatorcontrib>UEHARA YASUO</creatorcontrib><title>REAR WHEEL STEERING DEVICE FOR FOUR-WHEEL STEERING VEHICLE</title><description>PURPOSE:To perform steering control accurately on rear wheels, and improve durability of an electric motor for steering the rear wheels in a four-wheel steering vehicle. CONSTITUTION:A microcomputer 35 determines a target rear wheel steering angle according to vehicle speed detected by a vehicle speed sensor 31, a yaw rate detected by a yaw rate sensor 32 and a front wheel steering angle detected by a front wheel steering angle sensor 33, and this determined target rear wheel steering angle is restricted withing a range obtained by adding a limit steering angle variation determined according to speed performance and accelerating performance of an electric motor 21 to a present rear wheel steering angle or the target rear wheel steering angle. According to a difference between the determined and restricted target rear wheel steering angle and a rear wheel steering angle detected by a rear wheel steering angle sensor 34, rotation of the electric motor 21 is controlled, and rear wheels RW1 and RW2 are steered at the target rear wheel steering angle.</description><subject>LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS</subject><subject>MOTOR VEHICLES</subject><subject>PERFORMING OPERATIONS</subject><subject>TRAILERS</subject><subject>TRANSPORTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1995</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLAKcnUMUgj3cHX1UQgOcXUN8vRzV3BxDfN0dlVw8w8C4tAgXTTpMFcPT2cfVx4G1rTEnOJUXijNzaDo5hri7KGbWpAfn1pckJicmpdaEu8V4GFgbmhiaWRq5GhMjBoApiMpFQ</recordid><startdate>19950613</startdate><enddate>19950613</enddate><creator>MIYATA TADAYASU</creator><creator>FUKAYA KATSUMI</creator><creator>KUZUTANI HIDEKI</creator><creator>FUJITA KOZO</creator><creator>NAKAJIMA HIROSHI</creator><creator>UEHARA YASUO</creator><scope>EVB</scope></search><sort><creationdate>19950613</creationdate><title>REAR WHEEL STEERING DEVICE FOR FOUR-WHEEL STEERING VEHICLE</title><author>MIYATA TADAYASU ; FUKAYA KATSUMI ; KUZUTANI HIDEKI ; FUJITA KOZO ; NAKAJIMA HIROSHI ; UEHARA YASUO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPH07149252A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1995</creationdate><topic>LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS</topic><topic>MOTOR VEHICLES</topic><topic>PERFORMING OPERATIONS</topic><topic>TRAILERS</topic><topic>TRANSPORTING</topic><toplevel>online_resources</toplevel><creatorcontrib>MIYATA TADAYASU</creatorcontrib><creatorcontrib>FUKAYA KATSUMI</creatorcontrib><creatorcontrib>KUZUTANI HIDEKI</creatorcontrib><creatorcontrib>FUJITA KOZO</creatorcontrib><creatorcontrib>NAKAJIMA HIROSHI</creatorcontrib><creatorcontrib>UEHARA YASUO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>MIYATA TADAYASU</au><au>FUKAYA KATSUMI</au><au>KUZUTANI HIDEKI</au><au>FUJITA KOZO</au><au>NAKAJIMA HIROSHI</au><au>UEHARA YASUO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>REAR WHEEL STEERING DEVICE FOR FOUR-WHEEL STEERING VEHICLE</title><date>1995-06-13</date><risdate>1995</risdate><abstract>PURPOSE:To perform steering control accurately on rear wheels, and improve durability of an electric motor for steering the rear wheels in a four-wheel steering vehicle. CONSTITUTION:A microcomputer 35 determines a target rear wheel steering angle according to vehicle speed detected by a vehicle speed sensor 31, a yaw rate detected by a yaw rate sensor 32 and a front wheel steering angle detected by a front wheel steering angle sensor 33, and this determined target rear wheel steering angle is restricted withing a range obtained by adding a limit steering angle variation determined according to speed performance and accelerating performance of an electric motor 21 to a present rear wheel steering angle or the target rear wheel steering angle. According to a difference between the determined and restricted target rear wheel steering angle and a rear wheel steering angle detected by a rear wheel steering angle sensor 34, rotation of the electric motor 21 is controlled, and rear wheels RW1 and RW2 are steered at the target rear wheel steering angle.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| subjects | LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS MOTOR VEHICLES PERFORMING OPERATIONS TRAILERS TRANSPORTING |
| title | REAR WHEEL STEERING DEVICE FOR FOUR-WHEEL STEERING VEHICLE |
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