4-論文-司機酒后發(fā)動機不能啟動系統(tǒng)的設(shè)計

1、畢業(yè)設(shè)計報告(論文)報告(論文)題目：司機酒后發(fā)動機不能啟動系統(tǒng)的設(shè)計作者所在系部：車輛工程作者所在專業(yè)：機械系作者所在班級：B13142作者姓名：劉晉達(dá)作者學(xué)號：201322412指導(dǎo)教師姓名：孟立新完成時間：2017.5.25AbstractWiththerapiddevelopmentofoureconomycarshavebecomeindispensablemeansoftransptmemefamilieshavecarsa

2、tthesametimetrafficaccidentshavebecomeincreasinglyfrequentdatashowthatthetrafficoftheninthtypesofcausesofdeathinhumansisexpectedin2020thetrafficaccidentdeathratewillbedoubledbecomethecausesofcancerdepressionafterthirddea

3、thsalthoughthestatehasadoptedaseriesofpoliciestopreventtheoccurrenceoftrafficaccidentstrafficaccidentsbutItisoftenseen.49%59%ofthetrafficaccidentdrunkdrivingdrunkdrivingdrunkdrivinghasbecomeoneofthemainreasonsfthedeathof

4、thecurrentcaraccident.Inviewoftheharmofdrunkdrivingbehavidrunkenginecannotstartthesystemdesignisverynecessary.Ifthedriverwasdrunkdrivingthesystemcanmeasurethealcoholconcentrationalcoholconcentrationdisplaythroughthedigit

5、altubethefcethattheenginecannotstartaudiblealarmindertoreducetheprobabilityofdrunkdrivingaccidentrisk.ThedesignofthecontrolsystembasedonAT89C51MCUdetectedbygasexhaledalcoholdetecttothedriverpassengersindertoreducetheeffe

6、ctsofalcoholonthealcoholdetectshouldbecarriedoutmanyexperimentsaveraged.Alcoholevapatesintotheairspreadsquicklysothedisplayvalueofthealcoholdetectissmallerthantheactualvaluewhichshouldbechangedonthedisplayvalueofthealcoh