永磁直线电机伺服系统鲁棒控制的研究

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1、沈阳工业大学博士学位论文永磁直线电机伺服系统鲁棒控制的研究姓名：蓝益鹏申请学位级别：博士专业：电机与电器指导教师：郭庆鼎20070310永磁直线电机伺服系统鲁棒控制的研究AbstractStudyonrobustcontrolforpermanentmagnetlinearmotor∞I"VOsystemisacomprehensiveproject,whichisonthebasisofrobustcontroltheory，permanentmagnetlinearmotorascontrolledplant,numericalcontrolledlilachinetoolasabackg

2、roundofapplication,andthekeypointofstudyiscontrolalgorithm．Thepurposeofresearchistosolvecontrolproblemofpermanentmagnetlinearmotorservosystemwithuncertainty．Theresearchofthisdissertationisbasedontwoaspects：standard日。controlandnonlinearL，controlforpernmncntmagnetlinearmotorservosystem．11leresearchwor

3、kiSasfollows：1．Studyof风controlforpermanentmagnetlinearmotorservosystem．SynthesizeproblemofthecurrentcontrollerandthespeedcontrollerinpermanentmagnetlinearmotorservosystemistomedintostandardH。controlbybeingsetupmathematicalmodelofservosystemrobustcontrolinstatespace．Forstandard日。controlproblem,analyt

4、icexpressionofcontrollerisobtained缸oughsolvinganalgebraicmatrixRiccatiinequality．Likethis，thecurrentH。controllerandthespeedH。controllerarefoundunderthesamemathematicalmodelinorderthatlinearSerVOsystemisabletorestraJnuncertainty10addisturbance．11leperformanceofpernaanentmagnetlinearmotorSgI"VOsystemi

5、sstudiedbyuseofMatlabsoftwaresimulation．2．StudyofnonlinearL，robustcontrolforpermanentmagnetlinearmotorSelWOsystem．Onthebasisofservosystemavailablemathematicalmodel，thedynamicmathematicalmodeloferrorsystemissetupbybackstepping，andthetrackanddisturbancerestraintaresummedupL，controlproblem．Further,requ

6、isitionoftheperformanceindexforlinearmotorservosystemischangedintodissipativeproblemandstabilizationprobleminordertofindL2controller．NonlinearL，robustcontrollersforpermanentmagnetlinearmototselwosystemaredesignbydefiningproperstoragefunction．Andthen,theL2robustcontrollawsareproved．Ontheonehand．adimc

7、ultworkofsolvingHumilton-Jacobi—Isaacsinequalityisavoided．Ontheotherhand,boththedisturbancerestraintperformanceandthegacksperformancearesolvedwhendissipativeinequalityandasymptoticalstabilitycondition