基于CAN总线的智能车踏控制器.pdf

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1、机床与液压Jun．2014HydromechatronicsEngineeringVo1．42No．12DOI：10．3969／j．issn．1001-3881．2014．12．020IntelligentautomobilepedalcontrollerbasedonCANbusQianWANG，Hui—zhongYANG，Zhao—boQINGCollegeofMechanicalEngineering，ChinaJiliangUniversity，Hangzhou310018，ChinaAbstract：Thi

2、spaperiSmainlyaboutautomobiledoorpedalusedintheproduction．ItcarriedouttheresearchofCANbus(controllerareanetwork-bus)，analyzeditsworkingprinciple，hierarchi-calstructureandprotoco1．Combinedwiththeanalysisofthedoorpedaloperatingprinciple，thispaperdesignedadistribu

3、tedCANbuscontrolsystem．ThesystemconsistsofamasterCPUandfourdistributedcontrolunits，adoptingCANtransceiverPCA82C250toconnectwitheachother．ThemethodofsoftwareimplementationoftheCANcommunicationsystemwascarriedout，andcomparativelythealgorithmoftheanti—pinchandanti

4、—collisionfunctionwasanalyzed．FinalyitverifiestherunningefectofthecontrollerwithLabVlEW．Keywords：CANbus，Intelligentcarpedalcontroller，Anti-pinchfunction，Anti·colisionfunction，PCA82C250transceiverhostslocalnetworksystemexploitedbyBoschcompa—1．1ntroductionnyforau

5、tomotiveapplication．Busadoptsdifferentialsignalserialcommunicationtowork，whoseanti—jam—Abroadautomatictelescopicpedalisalreadyinmingcapabilityisstrong，whichhasnon—destructiveapplicationonmanypublictransportequipments，arbitrationfunctionbasedonpriority，canrealiz

6、esuchaspublicbus，luxurybus，citylightrail．Whilemultipleaddressmessagetransmission．Inadditiontoautointelligentpedalsystemusedonthecarsandli—automotiveelectronics，CANbushasbeenwidelymosisjustappearedrecently，suchasthatofRangeusedinareas，suchasindustrialautomationa

7、ndcon．rover，buttheinstallationcostistoohigh．Thelar—trolequipment，medicalinstrumentandenvironmentgestdomesticcompanyfocusingonautomobileintelli—detection．CANbususershavebecomeaccustomedgentadjustablepedalsystemisT—Max，whoseimita—tothetraditionalindependentCANcon

8、troller．Withtionismore，thecostishigh．Thatrequiresresearchthedevelopmentofthevariousapplicationrequire—anddevelopmentofnewsmartearpedalcontroller．mentsandtechnology，moreandmo