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  • 简介:Thispaperdescribesthereplacementofacontrollerforaprogrammableuniversalmachineforassembly(PUMA)512robotwithanewlydesignedPCbased(openarchitecture)controlleremployingareal-timedirectcontrolofsixjoints.TheoriginalstructureofthePUMArobotisretained.Thehardwareofthenewcontrollerincludessuchin-housedesignedpartsaspulsewidthmodulation(PWM)amplifiers,digitalandanalogcontrollers,I/Ocards,signalconditionercards,and16-bitA/DandD/Aboards.AnIntelPentiumIVindustrialcomputerisusedasthecentralcontroller.ThecontrolsoftwareisimplementedusingVC++programminglanguage.Thetrajectorytrackingperformanceofallsixjointsistestedatvaryingvelocities.ExperimentalresultsshowthatitisfeasibletoimplementthesuggestedopenarchitectureplatformforPUMA500seriesrobotsthroughthesoftwareroutinesrunningonaPC.Byassemblingcontrollerfromoff-the-shellhardwareandsoftwarecomponents,thebenefitsofreducedandimprovedrobustnesshavebeenrealized.

  • 标签: 自动化技术 程序设计 控制器 计算机矩阵