电子罗盘论文

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1、磁阻电子罗盘是一种利用地球磁场测量方向的垂要导航工具，能实吋提供机动FI标的航向和姿态，广泛应用在航空、航海、车载定位、地质勘探、深海探测等领域。己有磁罗盘面临的体积、重量、功耗大，调试、误差补偿困难等问题亟待解决，在微控制器广泛应用的今天，利用磁阻器件和单片机实现集成化和智能化成为改善磁罗盘性能的有效方法。木文正是在此基础上研制出了具有倾角补偿功能的磁阻电子罗盘。本文在概述磁罗盘的发展方向及掌握磁阻传感器功能特点的基础上，介绍了采用Ilorwywcll公司的磁阻传感器HMC1052/1051Z、AD模数转换器以单片机C8051F350为核心设计的磁阻电子罗盘硬件电路；根

2、据传感器输出信号特点，利用单片机AD的测量处理信息功能；在分析影响系统精度的误差来源和误差补偿原理的基础上，编制程序并完成调试，最终完成了磁阻电子罗盘的设计。实验测试表明，所研制的磁阻电子罗盘能实现各个角度和方位的动态测量；在0。〜360。范围内航向角的测量和8个方位的测量。所研制的磁阻电子罗盘具有体积小、重量轻、功耗小和成本低等特点，进一步完善可用于定位以及普通导航等领域。关键字磁阻电子罗盘;HMC1052;C8051F350AbstractMagneticcompassisameasurementofthedirectionofEarth'smagneticfield

3、usingamajornavigationtoolthatprovidesreal-timemobiletargetheadingandattitude,widelyusedinaviation,navigation,vehiclelocation,geologicalexploration,deep・seaexplorationandotherfields.Magneticcompasshasbeenfacedwiththesize,weight,powerconsumption,debugging,errorcompensationforthedifficultyof

4、burningissuesinthemicro-controller,widelyusedtoday,theuseofmagnetoresistivedevicesandSCMintegrationandintelligenteffortstoimproveperformanceofmagneticcompassaneffectivemanner.Thisispreciselyonthisbasisdevelopedthereluctancewithanglecompensationfunctionelectroniccompass.Inthispaper,anoverv

5、iewofthedevelopmentofmagneticcompassdirectionandgraspthemagnetoresistivesensorbasedonthefeaturesintroducedwithHoncywclFsmagnetoresistivesensorsHMC1052/1051Z,ADconverterwithC8051F350MCUasthecoredesignofhardwarecircuitreluctanceelectroniccompass;underthesensoroutputsignalcharacteristics,the

6、useofmicrocontrollerADmeasurementprocessinginformationfunctions;intheanalysisoferrorsourcesaffectingthesystemaccuracyanderrorcompensationbasedontheprinciplesofthepreparationprocessandthecompletionofdebugging,finallycompletedthereluctanceofelectroniccompassdesign.Experimentaltestsshowthatt

7、hedevelopedmagnetoresistiveelectroniccompasstoachievedifferentanglesanddirectionsofdynamicmeasurement;in0°〜360°headinganglewithinthemeasurementandeightpositionmeasurements.Thereluctanceofthedevelopedelectroniccompasswithasmallsize,lightweight,powerconsumptionandlowc