Fault detection and elimination method and system for vehicle control unit
The invention belongs to the technical field of vehicle fault detection, and discloses a fault detection and elimination method for a vehicle control unit. The method comprises the following steps: a vehicle control unit judges the current state of a brake pedal according to a first brake signal and...
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| creator | BAI ZHEMING TIAN QINGWEI |
| description | The invention belongs to the technical field of vehicle fault detection, and discloses a fault detection and elimination method for a vehicle control unit. The method comprises the following steps: a vehicle control unit judges the current state of a brake pedal according to a first brake signal and forms a first judgment result; a brake control unit judges the current state of the brake pedal according to the second brake signal and forms a second judgment result; a standby control unit judges the current state of the brake pedal according to the third brake signal and forms a third judgment result; the first judgment result is compared with a third judgment result, and the second judgment result is compared with the third judgment result; and when the first judgment result is consistent with the third judgment result and the second judgment result is inconsistent with the third judgment result, a brake control unit fault indication is output. Through multiple times of data comparison, the judgment accuracy |
| format | Patent |
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The method comprises the following steps: a vehicle control unit judges the current state of a brake pedal according to a first brake signal and forms a first judgment result; a brake control unit judges the current state of the brake pedal according to the second brake signal and forms a second judgment result; a standby control unit judges the current state of the brake pedal according to the third brake signal and forms a third judgment result; the first judgment result is compared with a third judgment result, and the second judgment result is compared with the third judgment result; and when the first judgment result is consistent with the third judgment result and the second judgment result is inconsistent with the third judgment result, a brake control unit fault indication is output. Through multiple times of data comparison, the judgment accuracy</description><language>chi ; eng</language><subject>ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL ; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL ; CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION ; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES ; PERFORMING OPERATIONS ; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OFVEHICLES ; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT ; TRANSPORTING ; VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF ; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES ; VEHICLES IN GENERAL</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=20210730&DB=EPODOC&CC=CN&NR=113183938A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20210730&DB=EPODOC&CC=CN&NR=113183938A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>BAI ZHEMING</creatorcontrib><creatorcontrib>TIAN QINGWEI</creatorcontrib><title>Fault detection and elimination method and system for vehicle control unit</title><description>The invention belongs to the technical field of vehicle fault detection, and discloses a fault detection and elimination method for a vehicle control unit. The method comprises the following steps: a vehicle control unit judges the current state of a brake pedal according to a first brake signal and forms a first judgment result; a brake control unit judges the current state of the brake pedal according to the second brake signal and forms a second judgment result; a standby control unit judges the current state of the brake pedal according to the third brake signal and forms a third judgment result; the first judgment result is compared with a third judgment result, and the second judgment result is compared with the third judgment result; and when the first judgment result is consistent with the third judgment result and the second judgment result is inconsistent with the third judgment result, a brake control unit fault indication is output. 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The method comprises the following steps: a vehicle control unit judges the current state of a brake pedal according to a first brake signal and forms a first judgment result; a brake control unit judges the current state of the brake pedal according to the second brake signal and forms a second judgment result; a standby control unit judges the current state of the brake pedal according to the third brake signal and forms a third judgment result; the first judgment result is compared with a third judgment result, and the second judgment result is compared with the third judgment result; and when the first judgment result is consistent with the third judgment result and the second judgment result is inconsistent with the third judgment result, a brake control unit fault indication is output. Through multiple times of data comparison, the judgment accuracy</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES PERFORMING OPERATIONS PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OFVEHICLES ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT TRANSPORTING VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES VEHICLES IN GENERAL |
| title | Fault detection and elimination method and system for vehicle control unit |
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