Electric power-assisted brake system control method, electric power-assisted brake system and automobile
The invention discloses an electric power-assisted brake system control method which is used for an electric power-assisted brake system and comprises the steps that first phase current and second phase current collected from a power-assisted motor are obtained; in at least one phase current amplitu...
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| creator | ZHU XINFANG CAI RUNJIA WU GUANGQING MIAO HUIBIN TAO ZHE |
| description | The invention discloses an electric power-assisted brake system control method which is used for an electric power-assisted brake system and comprises the steps that first phase current and second phase current collected from a power-assisted motor are obtained; in at least one phase current amplitude window period, calculating a phase current amplitude ratio between the first phase current and the second phase current, and judging whether the phase current amplitude ratio is within a preset amplitude ratio threshold range or not; if the phase current amplitude ratio exceeds the amplitude ratio threshold range, generating a fault signal; and controlling the power-assisted motor to stop working according to the fault signal. According to the invention, by calculating and judging the amplitude ratio of the two-phase current of the power-assisted motor collected in the sampling circuit of the electric power-assisted brake system, when the resistance value of the sampling resistor deviates, the fault can be ident |
| format | Patent |
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According to the invention, by calculating and judging the amplitude ratio of the two-phase current of the power-assisted motor collected in the sampling circuit of the electric power-assisted brake system, when the resistance value of the sampling resistor deviates, the fault can be ident</description><language>chi ; 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>2022</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=20221111&DB=EPODOC&CC=CN&NR=115320563A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,778,883,25547,76298</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20221111&DB=EPODOC&CC=CN&NR=115320563A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ZHU XINFANG</creatorcontrib><creatorcontrib>CAI RUNJIA</creatorcontrib><creatorcontrib>WU GUANGQING</creatorcontrib><creatorcontrib>MIAO HUIBIN</creatorcontrib><creatorcontrib>TAO ZHE</creatorcontrib><title>Electric power-assisted brake system control method, electric power-assisted brake system and automobile</title><description>The invention discloses an electric power-assisted brake system control method which is used for an electric power-assisted brake system and comprises the steps that first phase current and second phase current collected from a power-assisted motor are obtained; in at least one phase current amplitude window period, calculating a phase current amplitude ratio between the first phase current and the second phase current, and judging whether the phase current amplitude ratio is within a preset amplitude ratio threshold range or not; if the phase current amplitude ratio exceeds the amplitude ratio threshold range, generating a fault signal; and controlling the power-assisted motor to stop working according to the fault signal. According to the invention, by calculating and judging the amplitude ratio of the two-phase current of the power-assisted motor collected in the sampling circuit of the electric power-assisted brake system, when the resistance value of the sampling resistor deviates, the fault can be ident</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>2022</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNi7EKwjAQQLM4iPoP527BGuoupeLk5F6uyUlLk1zInYh_r4Mf0Onx4L21GbtATsvkIPObSoUikyh5GArOBPL5SQTHSQsHiKQj-wPQkgmTB3wpRx6mQFuzemIQ2v25Mftr92hvFWXuSTI6SqR9e6_rxp6Ozdle7JLmC17zQPM</recordid><startdate>20221111</startdate><enddate>20221111</enddate><creator>ZHU XINFANG</creator><creator>CAI RUNJIA</creator><creator>WU GUANGQING</creator><creator>MIAO HUIBIN</creator><creator>TAO ZHE</creator><scope>EVB</scope></search><sort><creationdate>20221111</creationdate><title>Electric power-assisted brake system control method, electric power-assisted brake system and automobile</title><author>ZHU XINFANG ; CAI RUNJIA ; WU GUANGQING ; MIAO HUIBIN ; TAO ZHE</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN115320563A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2022</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>ZHU XINFANG</creatorcontrib><creatorcontrib>CAI RUNJIA</creatorcontrib><creatorcontrib>WU GUANGQING</creatorcontrib><creatorcontrib>MIAO HUIBIN</creatorcontrib><creatorcontrib>TAO ZHE</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>ZHU XINFANG</au><au>CAI RUNJIA</au><au>WU GUANGQING</au><au>MIAO HUIBIN</au><au>TAO ZHE</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Electric power-assisted brake system control method, electric power-assisted brake system and automobile</title><date>2022-11-11</date><risdate>2022</risdate><abstract>The invention discloses an electric power-assisted brake system control method which is used for an electric power-assisted brake system and comprises the steps that first phase current and second phase current collected from a power-assisted motor are obtained; in at least one phase current amplitude window period, calculating a phase current amplitude ratio between the first phase current and the second phase current, and judging whether the phase current amplitude ratio is within a preset amplitude ratio threshold range or not; if the phase current amplitude ratio exceeds the amplitude ratio threshold range, generating a fault signal; and controlling the power-assisted motor to stop working according to the fault signal. According to the invention, by calculating and judging the amplitude ratio of the two-phase current of the power-assisted motor collected in the sampling circuit of the electric power-assisted brake system, when the resistance value of the sampling resistor deviates, the fault can be ident</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 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 | Electric power-assisted brake system control method, electric power-assisted brake system and automobile |
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