›› 2017, Vol. 37 ›› Issue (2): 77-85.doi: 10.16708/j.cnki.1000-758X.2017.0022

Previous Articles     Next Articles

DesignofsteppermotorcontrolcircuitforsatellitebasedonFPGA

 LIN  Fang1, WANG  Yu2,*, FU  Yi-Bin2, LU  Fan2, CHANG  Zhen1,2, QIU  Xiao-Han1,2   

  1. 1UniversityofScienceandTechnologyofChina,Hefei230031,China
    2AnhuiInstituteofOpticsandFineMechanics,ChineseAcademyofScience,Hefei230031,China
  • Received:2016-11-09 Revised:2016-11-30 Online:2017-06-25 Published:2017-01-24

Abstract: Adesignofacircuitcontrollingsteppermotorsinawiderangeofmomentforspecialcharacteristicsoflongin-orbitoperationandthedifficultytoreplaceinspaceequipmentswasproposed.ThisdesignutilizesFPGA,XilinxchipXC3S400-208,asthecorecontrolchipandLMD18200asthedrivingchipofsteppermotors.Onthebasisofadescriptionofthecircuit,theproblemoftheincreaseofresistancemomentandthesolutionsofoutputmomentadjustmentinspaceequipmentsbyPWMcontrolandimpulsefrequencywerediscussed.Testsverifiedthatthedesign′smaximumvalueofoutputmomentinrangemakesmomentmarginreach4andtherangeofadjustingmatchestherequestsofspaceequipments.

Key words: spaceequipments, adjustablemoment, acircuitcontrollingsteppermotors, FPGA, PWMcontrol