Computer& DigitalEngineering Vol.44No * ( ) MSP430F149,, :,, MSP430 ; ; TP368.1 DOI: /j.issn Desig

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1 Computer& DigitalEngineering Vol.44No * ( ) MSP430F149,, :,, MSP430 ; ; TP368.1 DOI: /j.issn DesignandRealizationofSuspensionControlSystem BasedonMicrocomputer DANG Zhiqian (DepartmentofAutomationEngineering,Xi anaeronauticalpolytechnicinstitute,xi an ) Abstract ThissystemisconsistedbythecontrolingcoreofMSP430 MCU,thehumaninterfaceofaLCDandakey- board,twostepmotorsforopen-loopcontrolingofthesuspendedloadandamatrixofreflectedinfraredoptic-electronicsen- sorsforfeedbackoftheclose-looptracingtothegivencurve.actualtestsshowthatthesystem hasastableperformance characteristicsandsmalpositioningerrors.ithastheprospectsofextensiveuseinmodernindustryandagriculture. Key Words MSP430 MCU,suspensioncontrolsystem,steppermotor,infraredsensor ClassNumber TP [1],,, [2] MSP430F149, 1 [3],, 2 [4] 2, 1 * : , : : ( :XHZY-2014JC0005) :,,,, :

2 1366 : 44, TI MSP430F149 [5] 2,MSP430F149, :6 8, MSP430F149,, 12 ADC,,,, RAM ROM,, MSP430F149 ;, MSP430F149 ; SEN ;P SEN ST198A,SEN, 4 PSEN,SEN P SEN, 3.3,,, 128*64A,, SEN,,

3 D0~D7,LCD WR,,LCD RD,LCDCE,,LCD CD,, U2(7805) 220V 12V 5V(MVCC5 0),J3(DC-DC ) 12V, 6 MVCC5 0 L297 L298 (L298, DC-DC, 12V)

4 1368 : 44, CW/CCW 3.5 (CW ) ENABLE L297 [6] L297, L298, [7], L IN1~IN4 L297 A B C D CLOCK,L297,6 11 L297 INH1 INH2 A B C D, L298, 6 7

5 ,,, [8] [9],, 9 9 5, UT33D,,, HY1711-2,YB4320G, 1,,,,, :

6 1370 : 44 1 (x,y) (x,y) /cm /s (x,y) /s /cm /s 1 (40,40) (39.9,39.9) (40,45) (35,50) (34.9,49.1) (35,26) (60,70) (60.2,70) (50,50) [1],,, signandsythetictesting[j].drivesystem Technique, 2009,23(4): [2],.MSP430 16,1999. [M]. :,2004. ZHANG Yigang.Pricipleofsingle-chipcomputerand SHEN Jianhua, YANG Yanqin, ZHAI Xiaoshu. itsapplication[m].beijing:highereducationpress, MSP430series16bitultra-low power mircocontroler [J].,2009,23(4): HAOZhaoliang,LIXintian,WU Caizhang,etal.In suspensionkinematiccontrolsystemthesoftwarede- PrinciplesandApplications[M].Beijing:TsinghuaU- niversitypress,2004. Analyzeanddesignofsteppermotorcontrolbasedon MCU[J].ForeignElectronic MeasurementTechnolo- gy,2008,27(9): [4]. [J].,2001 (2): JU Shuirong.Singlechip mircocomputerdevelopment system werereviewed[j].semiconductorinteligence, [10] 2001(2): MSP430F149 [5]. MSP430 [J].,2010,8(1): GUOJiannan.Designofdigitialcompasswithmagneto, resistivechipandthemcuofmsp430[j].information andelectronicengineering,2010,8(1): : [6],., [J].,2008,31(5): , HUANG Yong,LIAO Yu,GAO Lin.Designofstep- permotorcontrolsystembasedonmicrocontroler[j]. ElectronicMeasurementTechnology,2008,31(5):150- [7]. MSP430 [D]. :,2010. YAO Yingying.Thedesignof MSP430 MCU based environmental monitoring instrument [D]. Dalian: DalianJiaotongUniversity,2010. [8]. [M]. : [9]. 51 C [M]. :,2009: [10]. [3],,. GUO Tianxiang.New conceptofsinglechip Clan- [J].,2008,27(9): guagetutorial[m].beijing:electronicindustrypress, WANG Chenguang,SUN Yunqiang,XU Hongying. 2009: [J].,2012,29(7): L Junya.Thedesignandimplementationoftemper- aturecontroling system based on signlechip[j]. ComputerSimulation,2012,29(7):

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