ResearchofIgnitionEnergyClosedLoopControlforNaturalGasEngine

ResearchofIgnitionEnergyClosedLoopControlforNaturalGasEngine.pdf
Aclosed-loopcontrolsystemforignitionenergyofnaturalgasengineisdesignedinthispaper.Theprimarycurrentismonitoredbythecurrentmonitoringmoduleinthissystem,inordertogettheactualdwelltimewhentheprimarycurrentincreasesfromzerotothethresholdcurrent,asthemonitoringsignalsofprimarycurrent.Duringthedwelltimeperiod,theobtainedmonitoringsignalsofprimarycurrentareutilizedasthefeedbacktotheenhancedtimeprocessorunitofMCUtodeterminewhethertheignitionenergyissetwithintherangeofsettingvalue.Thedifferencesbetweentheprimarycurrentandtheactualdwellcurrentarecalculatedthroughthecon-trolalgorithm,andtheobtaineddifferencesareutilizedastheinputofthecompensationdwelltimealgorithmtocalculatethecompensa-tiondwelltime.Thenthedwelltimeofthenextignitioneventisadjustedtorealizetheclosed-loopcontrolforignitionenergy.Thepro-posedclosed-loopcontrolmethodcanrealizetherealtimemonitoringandadaptiveadjustmentofignitionenergy.Experimentalresultsshowthattheclosed-loopcontrolsystemcanimprovetheconsistencyofignitionenergyforvariousdrivingchannelsandcontrolaccuracyofigni-tionenergyforeachdrivingchannel.Thattheincreasingrateofsparkpluggapslowsconsiderablyslowsdowntheagingofsparkplug.
作者：SuiJianpengWangYingWangQiangLiuPengfeiSunPeng
作者单位：ChinaFAWGroupCorporationResearchandDesignCenter
母体文献：第19届亚太汽车工程年会暨2017中国汽车工程学会年会论文集
会议名称：第19届亚太汽车工程年会暨2017中国汽车工程学会年会  
会议时间：2017年10月24日
会议地点：上海
主办单位：中国汽车工程学会
语种：chi
分类号：
关键词：ignitionenergy  closed-loopcontrol  dwelltime  primarycurrent  sparkplug
在线出版日期：2020年7月9日
基金项目：
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ResearchofIgnitionEnergyClosedLoopControlforNaturalGasEngine.pdf

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