ELECTRIC POWER STEERING DEVICE
PROBLEM TO BE SOLVED: To provide an electric power steering device which can always assist control to the safe side and keeps a noise resistance improved by eliminating the influence of the noise which simultaneously varies both torque detection values.SOLUTION: In the electric power steering device...
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| creator | IWASE MASAHIRO |
| description | PROBLEM TO BE SOLVED: To provide an electric power steering device which can always assist control to the safe side and keeps a noise resistance improved by eliminating the influence of the noise which simultaneously varies both torque detection values.SOLUTION: In the electric power steering device, a first torque sensor and a second torque sensor that mutually independently detect the steering torque of the steering device of a vehicle as a first torque detection voltage value (Vt1) and a second torque detection voltage value (Vt2) which pass through a common neutral voltage value (Vn) and are set to mutually antiphase. A steering torque arithmetic means includes a reverse voltage conversion means for converting the second torque detection voltage value (Vt2) to a second torque reverse voltage value (-Vt2) in which plus and minus in voltage are reversed, an average voltage value arithmetic means for calculating the average voltage value (Va) of the first torque detection voltage value (Vt1) and the second torque reverse voltage value (-Vt2) converted by the reverse voltage conversion means, and a neutral voltage value summation means for calculating the steering torque voltage value (Vt) by adding the common neutral voltage value (Vn) to the average voltage value (Va) calculated by the average voltage value arithmetic means. |
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A steering torque arithmetic means includes a reverse voltage conversion means for converting the second torque detection voltage value (Vt2) to a second torque reverse voltage value (-Vt2) in which plus and minus in voltage are reversed, an average voltage value arithmetic means for calculating the average voltage value (Va) of the first torque detection voltage value (Vt1) and the second torque reverse voltage value (-Vt2) converted by the reverse voltage conversion means, and a neutral voltage value summation means for calculating the steering torque voltage value (Vt) by adding the common neutral voltage value (Vn) to the average voltage value (Va) calculated by the average voltage value arithmetic means.</description><language>eng</language><subject>LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS ; MOTOR VEHICLES ; PERFORMING OPERATIONS ; TRAILERS ; TRANSPORTING</subject><creationdate>2012</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=20121025&DB=EPODOC&CC=JP&NR=2012206674A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20121025&DB=EPODOC&CC=JP&NR=2012206674A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>IWASE MASAHIRO</creatorcontrib><title>ELECTRIC POWER STEERING DEVICE</title><description>PROBLEM TO BE SOLVED: To provide an electric power steering device which can always assist control to the safe side and keeps a noise resistance improved by eliminating the influence of the noise which simultaneously varies both torque detection values.SOLUTION: In the electric power steering device, a first torque sensor and a second torque sensor that mutually independently detect the steering torque of the steering device of a vehicle as a first torque detection voltage value (Vt1) and a second torque detection voltage value (Vt2) which pass through a common neutral voltage value (Vn) and are set to mutually antiphase. A steering torque arithmetic means includes a reverse voltage conversion means for converting the second torque detection voltage value (Vt2) to a second torque reverse voltage value (-Vt2) in which plus and minus in voltage are reversed, an average voltage value arithmetic means for calculating the average voltage value (Va) of the first torque detection voltage value (Vt1) and the second torque reverse voltage value (-Vt2) converted by the reverse voltage conversion means, and a neutral voltage value summation means for calculating the steering torque voltage value (Vt) by adding the common neutral voltage value (Vn) to the average voltage value (Va) calculated by the average voltage value arithmetic means.</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>2012</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJBz9XF1DgnydFYI8A93DVIIDnF1DfL0c1dwcQ3zdHblYWBNS8wpTuWF0twMSm6uIc4euqkF-fGpxQWJyal5qSXxXgFGBoZGRgZmZuYmjsZEKQIA8aEhvg</recordid><startdate>20121025</startdate><enddate>20121025</enddate><creator>IWASE MASAHIRO</creator><scope>EVB</scope></search><sort><creationdate>20121025</creationdate><title>ELECTRIC POWER STEERING DEVICE</title><author>IWASE MASAHIRO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2012206674A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2012</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>IWASE MASAHIRO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>IWASE MASAHIRO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>ELECTRIC POWER STEERING DEVICE</title><date>2012-10-25</date><risdate>2012</risdate><abstract>PROBLEM TO BE SOLVED: To provide an electric power steering device which can always assist control to the safe side and keeps a noise resistance improved by eliminating the influence of the noise which simultaneously varies both torque detection values.SOLUTION: In the electric power steering device, a first torque sensor and a second torque sensor that mutually independently detect the steering torque of the steering device of a vehicle as a first torque detection voltage value (Vt1) and a second torque detection voltage value (Vt2) which pass through a common neutral voltage value (Vn) and are set to mutually antiphase. 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| subjects | LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS MOTOR VEHICLES PERFORMING OPERATIONS TRAILERS TRANSPORTING |
| title | ELECTRIC POWER STEERING DEVICE |
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