Electric automobile folio road surface braking energy recovery control method and system
The invention provides a method and a system for controlling split road surface braking energy recovery of an electric automobile. The method comprises the following steps: inputting the automobile speed v and the braking strength z into a braking force calculation module to obtain required braking...
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| creator | WANG XUEPAN PAN GONGYU MA BIN FAN FEIYANG |
| description | The invention provides a method and a system for controlling split road surface braking energy recovery of an electric automobile. The method comprises the following steps: inputting the automobile speed v and the braking strength z into a braking force calculation module to obtain required braking force, the maximum braking torque of a motor, the peak torque of the motor and the SOC value of a power battery; determining the slip rate of each wheel, and inputting the slip rate of each wheel and the road adhesion coefficient of each wheel into a fuzzy controller according to the stress analysis of the vehicle during braking; obtaining the similarity between the current road surface and eight standard road surfaces according to a fuzzy controller, and calculating the peak adhesion coefficient between each current wheel and the road surface in combination with the standard road surface peak adhesion coefficient; and when the motor braking condition is met, a braking force distribution strategy is formulated and |
| format | Patent |
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The method comprises the following steps: inputting the automobile speed v and the braking strength z into a braking force calculation module to obtain required braking force, the maximum braking torque of a motor, the peak torque of the motor and the SOC value of a power battery; determining the slip rate of each wheel, and inputting the slip rate of each wheel and the road adhesion coefficient of each wheel into a fuzzy controller according to the stress analysis of the vehicle during braking; obtaining the similarity between the current road surface and eight standard road surfaces according to a fuzzy controller, and calculating the peak adhesion coefficient between each current wheel and the road surface in combination with the standard road surface peak adhesion coefficient; and when the motor braking condition is met, a braking force distribution strategy is formulated and</description><language>chi ; eng</language><subject>ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL ; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES ; PERFORMING OPERATIONS ; TRANSPORTING ; 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=20220906&DB=EPODOC&CC=CN&NR=115009035A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20220906&DB=EPODOC&CC=CN&NR=115009035A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>WANG XUEPAN</creatorcontrib><creatorcontrib>PAN GONGYU</creatorcontrib><creatorcontrib>MA BIN</creatorcontrib><creatorcontrib>FAN FEIYANG</creatorcontrib><title>Electric automobile folio road surface braking energy recovery control method and system</title><description>The invention provides a method and a system for controlling split road surface braking energy recovery of an electric automobile. 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| subjects | ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES PERFORMING OPERATIONS TRANSPORTING VEHICLES IN GENERAL |
| title | Electric automobile folio road surface braking energy recovery control method and system |
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