基于51单片机的路灯控制系统设计开题报告

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Wewillcontinuetoimprovethecompany'sinternalcontrolsystem,andsteadyimprovementinabilitytomanageandcontrol,optimizebusinessprocesses,toensuresmoothprocesses,responsibilitiesinplace;tofurtherstrengtheninternalcontrols,playacontrolpostindependentoversightroleofevaluationcomplyingwiththird-partyresponsibility;toactivelymakeuseofinternalaudittoolsdetectpotentialmanagement,streamline,standardizerelatedtransactions,strengtheningoperationsinaccordancewithlaw.Deepeningtheinformationmanagementtoensurefullcommunicationzeroresistance.ToconstantlyperfectERP,andBFS++,andPI,andMIS,andSCM,informationsystembasedconstruction,fullintegrationinformationsystem,achievedinformationresourcesshared;toexpandPortalsystemapplicationofbreadthanddepth,playinformationsystemonenterpriseofAssistantrole;toperfectdailyrunmaintenanceoperationofrecords,promoteproblemreasonsanalysisandsystemhandover;tostrengtheningBFS++,andERP,andSCM,technologyapplicationoftraining,improveemployeesapplicationinformationsystemofcapacityandlevel.Humanisticcaretoensurezero.TostrengtheningHumanitiescare,continuestofostercompanywindclear,andgasare,andheartShunofcultureatmosphere;strengtheninglovehelpedtrapped,caredifficultemployees;carriedoutstyleactivities,richemployeeslife;strengtheninghealthandlabourprotection,organizationcareerhealthmedical,controlcareeragainst;continuestoimplementationpsychologicalwarningpreventionsystem,trainingemployeeshealthofcharacter,andstableofmoodandenterprisingofattitude,createdfriendlyfraternityofHumanitiesenvironment.Tostrengthenriskmanagement,ensurethatthebusinessofzerorisk.Tostrengthenedbusinessplansmanagement,willbusinessbusinessplanscovertoalllevel,ensurethebusinesscancontrolincontrol;tocloseconcernfinancial,andcoalelectriclinkage,andenergy-savingscheduling,nationalpolicytrends,strengtheningtrack,activeshould;toimplementationState-ownedassetsmethod,furtherspecificationbusinessfinancialmanagement;toperfectrisktubecontrolsystem,achievedriskrecognition,andmeasure,andassessment,andreport,andcontrolfeedbackofclosedringmanagement,improveriskpreventioncapacity.Tofurtherstandardizetrading,andstrivetoachieveaccordingtolaw,standardizeandfair.Innovationofperformancemanagement,toensurethatpotentialemployeeszerofly.Tostrengthenperformancemanagement,processcontrol,enhanceemployeeevaluationandlevelsofeffectivecommunicationtoimproveperformancemanagement.Tofurtherquantifyandrefineemployeestandards...Work,fullplayparty,andbranch,andmembersinfivetypeEnterpriseconstructionintheofcorerole,andfightingfortressroleandpioneermodelrole;tocontinuestostrengtheningfourgoodleadershipconstruction,fullplaylevelscadresinenterprisedevelopmentinthe门急诊医技楼外脚手架采用悬挑式单排脚手架,基础回填后改为落地式双排脚手架,脚手架搭设高度为23m。病房医技楼外脚手架采用悬挑双排脚手架,分四次悬挑ofbackbonebackbonerole;tofullstrengtheningmembersyouthwork,fullplayyouthemployeesincompanydevelopmentintheofforcerole;toimproveindependentCommissionagainstcorruptionworklevel,strengtheningonenterprisebusinesskeylinkofeffectivenessmonitored.,Andmaintainstability.Tofurtherstrengthenpublicityandeducation,improvetheoveralllegalsystem.Wemuststrengthensafetymanagement,establishandimprovetheeducation,supervision,andevaluationasoneofthetrafficsafetymanagementmechanism.ToconscientiouslysumuptheOlympicsecuritycontrols,promotingintegratedmanagementtoahigherlevel,higherstandards,ahigherlevelofdevelopment.Employees,todayislunarcalendaronDecember24,theoxBellisabouttoring,atthistimeofyear,weclearlyfeelthepulseoftheXXpowergenerationcompanytoflourish,tomoreclearlyhearXXpowergenerationcompaniesmatureandsymmetrybreathing.Recallingpastoneanotheracrossarailing,weareenthusiasticandfullofconfidence.Futuredevelopmentopportunities,wemoreexcitingfightmorespirited.Employees,letustogetheracross2013fullofchallengesandopportunities,tocreateagreen,low-costoperation,fullofhumanecareofaworld-classpowergenerationcompanyandworkhard!TheoccasionoftheSpringFestival,mysincerewishthatyouandthefamiliesofthestaffinthenewyear,goodhealth,happy,happy一、本课题的内容及研究意义1、论文研究的目的和意义如今,照明电路的数量越来越多,使得城市街道、小区内的路灯的用电量占城市用电量的比重越来越大,在用电高峰期时,电网超负荷运行,电网电压都低于额定值,在用电低谷期供电电压又高于额定值,当电压高时不但影响照明设备的使用寿命,而且耗电量也大幅增加,当低谷时,照明设备有不能正常工作。所以,对城市的路灯的设计已经成为了当务之急,特别是午夜之后车流量急剧减少时,应该适当的关闭路灯,节约用电。但是我国的既节能又能延长路灯寿命的技术相比国外却是落后了,因此智能节能路灯控制系统的设计对于城市的发展至关重要。本论文旨在设计一套对外界光线和电压信号的采集来控制路灯的自动启停以及智能调压的控制系统,它能对路灯进行稳压、调压、自启动并延长路灯寿命的作用。2、论文研究内容本设计可以通过对外界光线和电压信号的采集来控制路灯的自动启停以及智能调压从而减少城市路灯照明耗电量,又对输入电压进行稳压调节来提高用电效率。要求独立选择芯片、设计电路、编制程序、调试、完成整个系统功能。主要内容如下:(1)根据控制技术的特点,进行路灯系统设计的整体研究与设计。(2)针对光线和电压信号的采集,采用数据采集技术。(3)通过按键可对相关的参数值进行设置,从而实现对不同时间进行不同的开灯模式。(4)当电压符合额定电压时,系统自动进行稳压。(5)在午夜之后降低电压以调节路灯亮度,实现调压。二、本课题的研究现状和发展趋势目前,路灯系统一般采用钠灯、水银灯、金卤灯等灯具。这类灯具有发光效率高、光色好、安装简易等优点,被广泛使用,但同时也存在着诸如:功率因子低、对电压要求严格、耗电量大等缺点。我国目前大部分城市都采用全夜灯的方式进行照明,普遍存在的问题有两点:一方面因为后半夜行人稀少,采用全夜灯的方式浪费太大,因此,有的地方采取前半夜全亮,后半夜全灭的照明方式;有的地方在后半夜采用亮一隔一或亮一隔二的节能措施,此种方式虽然节约了电费支出,却带来了社会治安和交通安全问题,不利于城市安全问题。另一方面,在后半夜因行人稀少,而应该降低路灯的亮度,以避免光源污染,影响居民的晚间的休息。但由于后半夜是用电低谷期,电力系统电压升高,路灯反而比白天更亮了。这不仅造成了能源浪费,还大大影响了设备和灯具的使用寿命。目前,路灯照明广泛采用高压钠灯,其设计寿命在12000小时以上,在正常情况下至少可用3年,但是由于超压使用,现在路灯的使用寿命仅仅只有1年左右,有的甚至只有几个月,造成Wewillcontinuetoimprovet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