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1、《汽车车身电控技术》复习题AutomobilebodyelectriccontroltechnologyOne,fillintheblanksThebodyelectroniccontrolsystemiscomposedmainlyof_(1)_(1)_(2)_(1)_(1)_(2)_(1)_(1)_(1)_(1)_(1)_(1)_(1)_(1)_(1)_(1Thecollisioncollisionsensoristheequivalentofacontrolswitch,whichdepe
2、ndsonthesizeofthespeed_whenthecarcrashes.Theconventionalmechanicalimpactsensorshaveballtype,eccentrichammerandrollertype.ThegasgeneratoroftheairbagisagasgeneratorthatUSESthethermalreactiontoproducenitrogenandfillstheairbag.Theairbagsystemhastwopowers
3、ources:oneisthecarpowersupply;Theotheristhebackuppowersupply.Theelectriccarwindowelevatorsystemusuallyconsistsofthemaincontrolswitch,thecontrolswitch,thewindowandthedoor.Thedrivingmechanismofthedoorandwindowelevatorhastwokindsofropeandcrossarm.Theele
4、ctricseatadjustmentsystemcanbedividedintotwodirections,fourdirectionsandsixdirections.Theelectricchairadjustmentsystemconsistsofmotor,switchandtransmission.Theelectricrear-viewmirrorisdividedintotheinnermirror,theexternalmirrorandthelowerviewingmirro
5、r.Theelectricrear-viewmirrorisdividedintothemirror,sphericalmirroranddoublecurvaturemirror.Theelectricrear-viewmirrorisdividedintothecommontyperear-viewmirrorandtheanti-glarerearviewmirror.Theadjustmentmechanismofelectricrear-viewmirrorincludestwosma
6、lldcmotors,reductiongear,clutchetc.Intherearviewmirror,theanti-fuzzyrear-viewmirrorisaddedtotheanti-raindropdevice.Oradoptwater-friendlytreatmenttechnologytomakeithaveanti-fuzzyatomizationfunction.Thecarradiousuallyreceivesthesignalinthemodeofamplitu
7、demodulationandfrequencymodulation.Theamplitudemodulationisdividedintomediumandshortwaves.TheCDplayerconsistsmainlyoflaserhead,servodrivemechanism,digitaltransformsystem,controlanddisplaycircuit.Thelaserheadmainlyconsistsoflasersource,condenser,mirro
8、r,etc.Theautomotiveelectronicnavigationsystemismainlyusedby_GPSreceivers,GPSreceivers,computers,liquidcrystaldisplays,Locationdetectiondevice,etc.GPSglobalpositioningdeviceshavethreefunctions:measurement,mapping,precisetimingandpositioningnavigation.
