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北京理工大学学报 1999
带制动装置气缸的Abstract: Aim Topresentanewkindofpneumaticpositioncontrolsystembasedontheanalysisofthedisadvantagesofconventionalpneumaticpositioncontrolsystems.Methods Thenewkindofpneumaticpositioncontrolsystemusedanewkindofactuator-cylinderwithabuilt-inbrakeandadisplacementsensor.AndPWMcontrolmethodandfuzzycontrolalgorithmwereutilizedinthesystemtocontrolthepositionofthecylinder,andthebrakewasusedtofixthecylindertoitstargetpositionafteritreachedtheposition.Results Thestiffnessofthesystemwasexperimentallyprovedtobegreatlyimprovedandthepositionprecisiontobewithin0.15mm.Inaddition,thesystemisfreeofgreatshockandwear.Conclusions Thenewkindofpneumaticpositioncontrolsystemisfreeofthedisadvantagesofconventionalsystems,andisofpracticalvalue.
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