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1、黄河科技学院毕业论文开题报告毕业设计开题报告题目名称:汽车ABS技术发展现状与趋势院系名称:交通学院班级:车辆二班学号:1101062066学生姓名:郭聪聪指导教师:王铭杰2015年02月10日sincedefined.supportsystemmanagementserverandconsumptionPOSmachineautomaticallyonShionShifrequencycanset,supportparameterautomaticallyXiabiography,andper
2、sonnelautomaticallyXiabiography,andtaskquery,function,supportvarietyreport:tradingsummarytable,andpurchasestatistics,andfillingbuckleadjustablestatistics,andwithdrawalsstatistics,andBacktostatisticaltables,entrytables,manuallyconsumptionDetailstab,em
3、ployeeconsumptionsummaryaccountingandmanagementrequirements.(3.)parkinglotmanagementsystemRehabilitationCentreundergroundparkinglots,andlocationsinthemedicalBuildingbasement,secondfloor.Parkingmanagementsystemisasetofvideosurveillance,accessmanagemen
4、t,parkingmanagement,leadingspaces,vehicleaccesscontrolandintegratedsystemmanagementinone.Carparkmanagementsystemandsecuritymonitoringsystem,alarmlinkagesystem,differentsettingsintheimportandexportcontrolsystemcontrolbox,parkingcontrolsystemincomprehe
5、nsivemanagementofcomprehensivemedicalbuildingsecuritymonitoringcenter,audioandvideosurveillance,alarmsystemsandothernewExchangeeachother,formacomprehensive,convenientandefficientTasystems.Parkingentranceequippedwithimageacquisition,comparisonsystem,v
6、ehicleaccessandegresswillbeautomaticallycollectedandstoredimageinformationofthevehicle,andaccordingtothecardnumberautomaticallyfromthedatabasetobringupthecorrespondingvehicleinformationandaccuratecomparisonofthepicturesconfirmthatpreventavehiclefromb
7、eingstolen.Acquisitionofimageinformationisautomaticallysavedforlater,andverification.Parkingoutentrancehasalarmdevice,onceaccessentrancelocationoccurredaccidentsituation,parkingsitemanagementpersonnelcantimelytriggeredalarmdevice,will5第5页黄河科技学院毕业论文开题
8、报告1.本课题所涉及的内容国内(外)研究现状综述(1)选题背欧尼景在汽车防抱死制动系统出现之前,汽车所用的都是开环制动系统。其特点是制动器制动力矩的大小仅与驾驶员的操纵力、制动力的分配调节以及制动器的尺寸和型式有关。由于没有车轮运动状态的反馈信号,无法测知制动过程中车轮的速度和抱死情况,汽车就不可能据此调节轮缸或气室制动压力的大小。因此在紧急制动时,不可避免地出现车轮在地面上抱死拖滑的现象。当车轮抱死时,地面的侧向附着性能很差,所能提供的侧向附着力很小,汽车在受到任何微小外力的作用下就会出现方向