VEHICLE CONTROL APPARATUS
An ECU independently controls power supply to winding groups each belonging to one of two winding systems included in a motor on a per-winding-system basis based on current command values each calculated for a corresponding one of the winding systems in accordance with a target assist torque to be p...
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| creator | NIWA, Tomohiro MIKAMO, Satoru FUJI, Masashi |
| description | An ECU independently controls power supply to winding groups each belonging to one of two winding systems included in a motor on a per-winding-system basis based on current command values each calculated for a corresponding one of the winding systems in accordance with a target assist torque to be produced by the motor. When a first winding system fails, the ECU transitions from a first state (state S1) in which the ECU causes the winding groups of the two winding systems to produce the target assist torque to a second state (state S2) in which the ECU causes the winding group of the other normal winding system to produce the target assist torque. If the current command value for the normal winding system is equal to or below a current threshold value (Ith) that is set with reference to zero or a value close to zero when the failed winding system recovers to its normal state (state S3) in the second state, the ECU transitions from the second state to the first state (state S4-2). |
| format | Patent |
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When a first winding system fails, the ECU transitions from a first state (state S1) in which the ECU causes the winding groups of the two winding systems to produce the target assist torque to a second state (state S2) in which the ECU causes the winding group of the other normal winding system to produce the target assist torque. If the current command value for the normal winding system is equal to or below a current threshold value (Ith) that is set with reference to zero or a value close to zero when the failed winding system recovers to its normal state (state S3) in the second state, the ECU transitions from the second state to the first state (state S4-2).</description><language>eng ; fre ; ger</language><subject>LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS ; MOTOR VEHICLES ; PERFORMING OPERATIONS ; TRAILERS ; TRANSPORTING</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=20210526&DB=EPODOC&CC=EP&NR=3640116B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25545,76296</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20210526&DB=EPODOC&CC=EP&NR=3640116B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>NIWA, Tomohiro</creatorcontrib><creatorcontrib>MIKAMO, Satoru</creatorcontrib><creatorcontrib>FUJI, Masashi</creatorcontrib><title>VEHICLE CONTROL APPARATUS</title><description>An ECU independently controls power supply to winding groups each belonging to one of two winding systems included in a motor on a per-winding-system basis based on current command values each calculated for a corresponding one of the winding systems in accordance with a target assist torque to be produced by the motor. When a first winding system fails, the ECU transitions from a first state (state S1) in which the ECU causes the winding groups of the two winding systems to produce the target assist torque to a second state (state S2) in which the ECU causes the winding group of the other normal winding system to produce the target assist torque. If the current command value for the normal winding system is equal to or below a current threshold value (Ith) that is set with reference to zero or a value close to zero when the failed winding system recovers to its normal state (state S3) in the second state, the ECU transitions from the second state to the first state (state S4-2).</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>2021</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJAMc_XwdPZxVXD29wsJ8vdRcAwIcAxyDAkN5mFgTUvMKU7lhdLcDApuriHOHrqpBfnxqcUFicmpeakl8a4BxmYmBoaGZk6GxkQoAQDegR-m</recordid><startdate>20210526</startdate><enddate>20210526</enddate><creator>NIWA, Tomohiro</creator><creator>MIKAMO, Satoru</creator><creator>FUJI, Masashi</creator><scope>EVB</scope></search><sort><creationdate>20210526</creationdate><title>VEHICLE CONTROL APPARATUS</title><author>NIWA, Tomohiro ; MIKAMO, Satoru ; FUJI, Masashi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP3640116B13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2021</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>NIWA, Tomohiro</creatorcontrib><creatorcontrib>MIKAMO, Satoru</creatorcontrib><creatorcontrib>FUJI, Masashi</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>NIWA, Tomohiro</au><au>MIKAMO, Satoru</au><au>FUJI, Masashi</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>VEHICLE CONTROL APPARATUS</title><date>2021-05-26</date><risdate>2021</risdate><abstract>An ECU independently controls power supply to winding groups each belonging to one of two winding systems included in a motor on a per-winding-system basis based on current command values each calculated for a corresponding one of the winding systems in accordance with a target assist torque to be produced by the motor. When a first winding system fails, the ECU transitions from a first state (state S1) in which the ECU causes the winding groups of the two winding systems to produce the target assist torque to a second state (state S2) in which the ECU causes the winding group of the other normal winding system to produce the target assist torque. If the current command value for the normal winding system is equal to or below a current threshold value (Ith) that is set with reference to zero or a value close to zero when the failed winding system recovers to its normal state (state S3) in the second state, the ECU transitions from the second state to the first state (state S4-2).</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| subjects | LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS MOTOR VEHICLES PERFORMING OPERATIONS TRAILERS TRANSPORTING |
| title | VEHICLE CONTROL APPARATUS |
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