TRACTION CONTROL METHOD FOR VEHICLE
A traction control method for a vehicle, includes the steps of comparing the amount of driven wheel speed (VW) changed per unit time with a reference deceleration ( DELTA VR-) determined in correspondence to the lowest deceleration on a road surface of a lowest frictional coefficient which can be us...
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| creator | YAHAGI TOSHIO MATSUDA SHOHEI |
| description | A traction control method for a vehicle, includes the steps of comparing the amount of driven wheel speed (VW) changed per unit time with a reference deceleration ( DELTA VR-) determined in correspondence to the lowest deceleration on a road surface of a lowest frictional coefficient which can be usually supposed, setting the vehicle speed (VR) equal to the driven wheel speed (VW), if the amount of driven wheel speed (VW) changed per unit time indicates a deceleration less than a reference deceleration (VR-); setting the vehicle speed (VR) equal to the last determined vehicle speed (VR(n-1)) corrected by the reference deceleration, if the amount of driven wheel speed (VW) changed per unit time indicates a deceleration greater than or equal to the reference deceleration ( DELTA VR-); determining a slipping tendency of a driving wheel in a driving state at least in part by comparing a reference speed (VRH, VRL) obtained on the basis of a vehicle speed (VR) with a driving wheel speed; and suppressing the driving torque in accordance with a determined slipping tendency of a driving wheel in the driving state. Further, the amount of driven wheel speed (VW) changed per unit time may also be compared to a reference acceleration ( DELTA VR+). |
| format | Patent |
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Further, the amount of driven wheel speed (VW) changed per unit time may also be compared to a reference acceleration ( DELTA VR+).</description><language>eng</language><subject>ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL ; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL ; PERFORMING OPERATIONS ; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OFVEHICLES ; TRANSPORTING ; VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF ; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES ; VEHICLES IN GENERAL</subject><creationdate>1993</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=19930119&DB=EPODOC&CC=US&NR=5181174A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25544,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19930119&DB=EPODOC&CC=US&NR=5181174A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>YAHAGI; TOSHIO</creatorcontrib><creatorcontrib>MATSUDA; SHOHEI</creatorcontrib><title>TRACTION CONTROL METHOD FOR VEHICLE</title><description>A traction control method for a vehicle, includes the steps of comparing the amount of driven wheel speed (VW) changed per unit time with a reference deceleration ( DELTA VR-) determined in correspondence to the lowest deceleration on a road surface of a lowest frictional coefficient which can be usually supposed, setting the vehicle speed (VR) equal to the driven wheel speed (VW), if the amount of driven wheel speed (VW) changed per unit time indicates a deceleration less than a reference deceleration (VR-); setting the vehicle speed (VR) equal to the last determined vehicle speed (VR(n-1)) corrected by the reference deceleration, if the amount of driven wheel speed (VW) changed per unit time indicates a deceleration greater than or equal to the reference deceleration ( DELTA VR-); determining a slipping tendency of a driving wheel in a driving state at least in part by comparing a reference speed (VRH, VRL) obtained on the basis of a vehicle speed (VR) with a driving wheel speed; and suppressing the driving torque in accordance with a determined slipping tendency of a driving wheel in the driving state. Further, the amount of driven wheel speed (VW) changed per unit time may also be compared to a reference acceleration ( DELTA VR+).</description><subject>ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL</subject><subject>BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL</subject><subject>PERFORMING OPERATIONS</subject><subject>PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OFVEHICLES</subject><subject>TRANSPORTING</subject><subject>VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF</subject><subject>VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES</subject><subject>VEHICLES IN GENERAL</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1993</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFAOCXJ0DvH091Nw9vcLCfL3UfB1DfHwd1Fw8w9SCHP18HT2ceVhYE1LzClO5YXS3Azybq4hzh66qQX58anFBYnJqXmpJfGhwaaGFoaG5iaOxoRVAADeziIX</recordid><startdate>19930119</startdate><enddate>19930119</enddate><creator>YAHAGI; TOSHIO</creator><creator>MATSUDA; SHOHEI</creator><scope>EVB</scope></search><sort><creationdate>19930119</creationdate><title>TRACTION CONTROL METHOD FOR VEHICLE</title><author>YAHAGI; TOSHIO ; MATSUDA; SHOHEI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US5181174A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1993</creationdate><topic>ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL</topic><topic>BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL</topic><topic>PERFORMING OPERATIONS</topic><topic>PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OFVEHICLES</topic><topic>TRANSPORTING</topic><topic>VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF</topic><topic>VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES</topic><topic>VEHICLES IN GENERAL</topic><toplevel>online_resources</toplevel><creatorcontrib>YAHAGI; TOSHIO</creatorcontrib><creatorcontrib>MATSUDA; SHOHEI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>YAHAGI; TOSHIO</au><au>MATSUDA; SHOHEI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>TRACTION CONTROL METHOD FOR VEHICLE</title><date>1993-01-19</date><risdate>1993</risdate><abstract>A traction control method for a vehicle, includes the steps of comparing the amount of driven wheel speed (VW) changed per unit time with a reference deceleration ( DELTA VR-) determined in correspondence to the lowest deceleration on a road surface of a lowest frictional coefficient which can be usually supposed, setting the vehicle speed (VR) equal to the driven wheel speed (VW), if the amount of driven wheel speed (VW) changed per unit time indicates a deceleration less than a reference deceleration (VR-); setting the vehicle speed (VR) equal to the last determined vehicle speed (VR(n-1)) corrected by the reference deceleration, if the amount of driven wheel speed (VW) changed per unit time indicates a deceleration greater than or equal to the reference deceleration ( DELTA VR-); determining a slipping tendency of a driving wheel in a driving state at least in part by comparing a reference speed (VRH, VRL) obtained on the basis of a vehicle speed (VR) with a driving wheel speed; and suppressing the driving torque in accordance with a determined slipping tendency of a driving wheel in the driving state. Further, the amount of driven wheel speed (VW) changed per unit time may also be compared to a reference acceleration ( DELTA VR+).</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL PERFORMING OPERATIONS PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OFVEHICLES TRANSPORTING VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES VEHICLES IN GENERAL |
| title | TRACTION CONTROL METHOD FOR VEHICLE |
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