航标无线监控系统及其软硬件设计

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1、广东工业大学硕士学位论文航标无线监控系统及其软硬件设计姓名：区锐相申请学位级别：硕士专业：机械电子工程指导教师：李克天20040415广东工业大学工学硕士学位论文ABSTRACTNavigationmarksarethebasicfacilitiesofthewaterways．Theywillhaveadirecteffectonthenavigationsafetyofvessels．However，thetraditionalmanagementmodelofnavigationmarkisOutofdateandhass

2、omeshortcomingsSOthatitcan’tmeettherequirementsofhighqualitysafenavigationthatarebroughtupbythebusywaterwaytransportation．Combiningtheactualityofnavigationmarkmanagementininlandwaterways，thethesisdevelopsaneconomicalandreliablewirelessmonitoringsystemofnavigationmark

3、usedininlandwaterways．Thesystemconsistsofthecontrolcenterandthemonitoringterminal．Itcanmonitortheoperationalparametersandpositioninginformationautomatically，helpthewaterwayadministrationtogettheoperationalstatusofnavigationmarkrapidlyandfindoutthefaultsintime，improve

4、thereliabilityofnavigationmark，increasethesafetyofthewaterwaytransportation．Themaincontentoftheresearchincludesthecomputertechnology，GSMcommunicationtechnology，GPSpositioningtechnology，measuringtechnologyandenergysourcetechnologyusedinthesystem．Basedonanalyzingthefun

5、ctionrequirementsofthenavigationmarkmonitoringsystemdeeply，thethesispresentsthegeneralstructureofthesystem，dividesthesystemintofunctionmodules，completesthecommunicationinterfacesamongthemodules．ThecontrolcenterandthemonitoringterminalareconnectedintoThePublicMobileCo

6、mmunicationNetworkthroughGSMmodules．AfteranalyzingthePDUdataformatofGSMshortmessageindetail，thecommunicationprogramsaredesigned，suchastheencodinganddecodingoftheUnicodeand7-bitcode，theassemblinganddisassemblingofPDUmessageandSOon．Throughtheserialport，theATcommandsare

7、usedtocontroltheGSMmoduletosendandreceiveshortmessagesanddial，whichcompletesthesystemcommunication．TheGPSModuleisselectedtOcollectthepositioninformationofnavigationmark．Basedonalotofexperiments，thestatisticslawofGPSpositioningdataisfoundandthesimplemultipledigitalfil

8、teralgorithmthatsuitsthesinglechipmicrocontrollerisadoptedtooptimizethepositioningdata．Thepositioningprecisionisimprovedeffectively