[优秀毕业设计精品]双闭环不可逆直流调速系统课程设计(matlab仿真设计)

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A153A154A155A156A159A160A161A163A147A148A150A151A152A153A155A156A159A160A161A163A164A165A166A167A168A169A170A171A172A173A174A175A176A177A178A179A180A181A85A182A183A184A186A171A187A88A188A189A173A174A86A190A191A175A169A170A192A193A194A195A196A89A164A165A166A198A199A200A201A202A203A205A206A207A208A209A210A211A212A211A213A214A215A216A211A217SWASR和SWACRA218A219A220A215A221A201A200A222A223A224A225A199A200A222A223A205A226A227A228A229A216A230A231A232A233A225A199A234A235A236A237A225A206A238A205A206A207A208A209A210A211A217A239A240A241A225A242A225A199DIA243A245A233A246A216A211A213A2475A248A249A250A251A253A254A255A3A0A1A2A254A4A5A6A7A8A249A250A253A254A5A6A159A18A221A201A200A222A223A205A13A9A193A221A201A86A87A170A88A91A225A65MUA236A61A236A26A64A99A225A65A230A67A157A236A95A10A11A207A12A14A99A27A15A16A17A236A61A108A19A20A13A9A27A89A244A233A147A59A143A90A91A21A22A205A23A24A225A199。A25A28A225A199A200A222A223A205A13A9A237A221A201A200A222A29A30A217A236A193A225A199A87A170A89A88A91A225A65IUA236A61A27UNUCTIDLNUD0UNUIWASRSWACRSKSTSS11/RTLS1RTMSUIID1/CEEKS1/CEUNUCTIDENUD0UNASRUIIDRRACRUIUPEA31A32A33A34A35A36A37A385A39A40A92A40A41A154A42A43A93A44A45A46A47A48A49A43A42A44A50A51A52A53A54A55A56A57A58A40A60A62A63A66A68A52A53A57A58A69A70A71A43A42A49A72A40A73A74A75A94A76A77A96A78A44A62A79A80A40A83A40A60A56A57A58A81A62A164A82A43A58A84A70A56A97A125A50A98A47A48A85A72A100A101A102A103A44A62A66A68A104A105A106A42A107A109A110A111A851A112A113A114A115A116A117A118A112A119A120A121A122A123A124A126A127A112A128A113A113A129A130A131A132A133A124A134A135A136A137A138A128A139A140A141A114A115A142A144A145A146A148A149A150A151A124A112A119A142A144A145A146A152A149A153A155A156A158A160A139A114A115A161A162A120A121A139A163A165A166A167A119A121A115A122A123A141A124A146A148A149A161A162A168于A150A151A169A171A124A114A115A172A173A174A134A153A142A144A158A160A124A114A115A175A176A163A127A177A175A169A171A124A178A179A180A167A181A112流调节系统，A182A140A124A178A179A183A184A115A185A180A167A181A124A112A128A113A114A115A186A117A131A187A188A162A189A190A191A114A115A139A192A178A179A118A194A195A141A196A197A198A199A138A128A139A163A114A115A120A121A165A200A191A114A115A141A124A146A148A149A183A201A202A203A204A180A205A124A206A207A201A208A126A127A209A210A158A160A211A212A213A214A215A216A181A124A217A141A112A119A218A213A214A180A194A133A181A124A219A220A114A115A221A222A120A121A124A208A223A114A115A224A142A139A114A115A224A142A225A124NUA226A227A228A229A230A231A232A2330NU。G17837G15932G7138平行机械特性G1314速G7114静G5058G10587较大，转速的G11468G4557稳定性就G17246G5058。在1000R/MING7114G19489G1486510R/MIN，G2494G23561G727在100R/MING7114G1075G19489G1486510R/MIN，就G235610G727G3926G75360NG2494有10R/MIN，G1889G19489G1486510R/MING7114，电动机就G1584G8502转动，转速G1852都G19489G14865G4448了。由G328221G2499G16277，G4557G980G1022调速系统来G16840，G3926G7536能满足G7380G1314转速运行的静G5058G10587S，G18039G1052，其G4439转速的静G5058G10587G1075必然都能满足。88A187A188A189A190A191A192A193A194A195A196A197A198A199A2008G328221G1119实上，调速G14551G3272和静G5058G10587G17837G1016项指G7643并G993是G5456G8504G4408G12447的，必须同G7114G6564才有意义。G980G1022调速系统的调速G14551G3272，是指在G7380G1314速G7114还能满足G6164G6564静G5058G10587要求的转速G2499调G14551G3272。脱离了G4557静G5058G10587的要求。任G1321调速系统都G2499以G5483G2052极G20652的调速G14551G3272G727G2465过来，脱离了调速G14551G3272，要满足给定的静G5058G10587G1075就容G7143G5483G3822了。213动态性能指标生产工G14414G4557控制系统动G5589性能的要求G13475折算和G18339化后G2499以G15932G17810为动G5589性能指G7643。自动控制系统的动G5589性能指G7643G2265G6336G4557给定G1461G2507的跟随性能指G7643和G4557G6212动输入G1461G2507的G6251G6212性能指G7643。G980G451跟随性能指G7643在给定G1461G2507（或称参考输入G1461G2507）RT的作用G991，系统输出G18339CT的变化情况G2499用跟随性能指G7643来描述。G5415给定G1461G2507G15932G12046方式G993同G7114，输出G2721应G1075G993G980G7691。通常以输出G18339的初始G1552为零，给定G1461G2507阶跃变化G991的过渡过程作为G1868型的跟随过程，G17837G7114的动G5589G2721应又称为阶跃G2721应。G980G14336希望在阶跃G2721应中输出G18339CT与其稳G5589G1552C的偏G5058G17246G4579G17246好，G17810G2052C的G7114G19400G17246G5567G17246好。常用的阶跃G2721应跟随性能指G7643有上G2331G7114G19400，超调G18339和调G14422G7114G19400G7261）上G2331G7114G19400RT在G1868型的阶跃G2721应跟随过程中，输出G18339从零起G12544G980次上G2331G2052稳G5589G1552CG6164G13475过的G7114G19400称为上G2331G7114G19400，G4439G15932G12046动G5589G2721应的G5567速性，G16277G328222。99A187A188A189A190A191A192A193A194A195A196A197A198A199A2009G3282222）超调G18339在G1868型的阶跃G2721应跟随系统中，输出G18339超出稳G5589G1552的G7380大偏离G18339与稳G5589G1552G1055G8616，用G11346G2010数G15932G12046，叫G1582超调G18339G726100MAXCCC（24）超调G18339G2465映系统的G11468G4557稳定性。超调G18339G17246G4579，则G11468G4557稳定性G17246好，G2375动G5589G2721应G8616较平稳。3）调G14422G7114G19400ST调G14422G7114G19400又称过渡过程G7114G19400，G4439衡G18339系统整G1022调G14422过程的G5567慢。G2419则上G4439应G16825是从给定G18339阶跃变化起G2052输出G18339G4448G1852稳定G991来为G8502的G7114G19400。G4557G1122G13459性控制系统来G16840，G10714论上要G2052T才G11507G8503稳定，G1306是实G19481系统由G1122G4396在非G13459性等G3252G13044并G993是G17837G7691。G3252G8504，G980G14336在阶跃G2721应曲G13459的稳G5589G1552附近，G247425或的G14551G3272作为允许误G5058带，以G2721应曲G13459G17810G2052并G993G1889超出G16825误G5058带G6164需的G7380G11713G7114G19400定义为调G14422G7114G19400，G2499G16277G328222。G1120G451G6251G6212性能指G7643G980G14336是以系统稳定运行中，突加G17139G17745的阶跃G6212动后的动G5589过程作为G1868型的G6251G6212过程，并由G8504定义G6251G6212动G5589性能指G7643，G2499G16277G328223。常用的G6251G6212性能指G7643为动G5589G19489G14865和恢复G7114G19400G7261）动G5589G19489G14865MAXC系统稳定运行G7114，突加G980定数G1552的G6212动（G3926额定G17139G17745G6212动）后引起转速的G7380大G19489G14865G1552MAXC叫G1582动G5589G19489G14865，用输出G18339G2419稳G5589G15521C的G11346G2010数来G15932G12046。输出G18339在动G5589G19489G14865后G17892渐恢复，G17810G2052新的稳G5589G1552212,CCC是系统在G16825G6212动作用G991的稳G5589G19489G14865。动G5589G19489G14865G980G14336都大G1122稳G5589G19489G14865（G2375静G5058）。调速系统突加额定G17139G17745G6212动G7114的动G5589G19489G14865称作动G5589G19489G14865MAXN。2）恢复G7114G19400FT从阶跃G6212动作用开始，G2052输出G18339基本上恢复稳G5589，距新稳G5589G15522CG1055G5058G17839入G7588基准G18339BC的25或G14551G3272G1055G1881G6164需的G7114G19400，定义为恢复G7114G19400FT，其中BC称为G6251G6212指G7643中输出G18339的基准G1552。实G19481系统中G4557G1122各G12193动G5589指G7643的要求各有G993同，要G7693G6466生产机械的具体要求而定。G980G14336来G16840，调速系统的动G5589指G7643以G6251G6212性能为G1039。1010A201A202A203A204A206A207A208A209A210A211A213A214A215A21610G32822322电流、转速双闭环直流调速系统的理论分析221双闭环调速的工作过程和原理双闭环调速系统的工作过程和G2419G10714电动机在G2563动阶G8585,电动机的实G19481转速电压G1314G1122给定G1552,速度调G14422器的输入端G4396在G980G1022偏G5058G1461G2507,G13475放大后输出的电压保持为限幅G1552,速度调G14422器工作在开环状G5589,速度调G14422器的输出电压作为电流给定G1552送入电流调G14422器,G8504G7114则以G7380大电流给定G1552使电流调G14422器输出移G11468G1461G2507,直流电压迅速上G2331,电流G1075随G2375G3698大直G2052等G1122G7380大给定G1552,电动机以G7380大电流恒流加速G2563动。电动机的G7380大电流堵转电流G2499以通过整定速度调G14422器的输出限幅G1552来改变。在电动机转速上G2331G2052给定转速后,速度调G14422器输入端的偏G5058G1461G2507减G4579G2052近G1122零,速度调G14422器和电流调G14422器退出饱和状G5589,闭环调G14422开始起作用。G4557G17139G17745引起的转速G8886动,速度调G14422器输入端产生的偏G5058G1461G2507将随G7114通过速度调G14422器G451电流调G14422器来G1474G8503G16314发器的移G11468电压,使整流桥输出的直流电压G11468应变化,从而G7669G8503和补偿电动机的转速偏G5058。另外电流调G14422器的G4579G7114G19400常数,还能G3827G4557G3252电网G8886动引起的电动机电枢电流的变化G17839行G5567速调G14422,G2499以在电动机转速还未来G5483及发生改变G7114,迅速使电流恢复G2052G2419来G1552,从而使速度G7368好地稳定G1122G7588G980转速G991运行A218A219A220A221A220A220A222A220A223A224。222双闭环直流调速系统的组成及其静特性G980G451双闭环直流调速系统的组成为了实现转速和电流G1016G12193G17139G2465G20316G2010别起作用，G2499在系统中设G13634G1016G1022调G14422器，G2010别调G14422转速和电流，G2375G2010别引入转速G17139G2465G20316和电流G17139G2465G20316。G1016者G1055G19400实行嵌套连接，G3926G328224G6164G12046。G6238转速调G14422器的输出G5415作电流调G14422器的输入，G1889用电流调G14422器的输出去控制电G2159电G4388变换器UPE。从闭环结构上看，电流环在里面，称作G1881环G727转速环在外边，称作外环。G17837就形成了转速G451电流双闭环调速系统。1111A225A226A227A228A229A230A231A232A233A234A235A236A237A23811G328224转速G451电流双闭环直流调速系统其中G726ASR转速调G14422器ACR电流调G14422器TG测速发电机TA电流G1126感器UPE电G2159电G4388变换器UN转速给定电压UN转速G2465G20316电压UI电流给定电压UI电流G2465G20316电压G1120G451双闭环直流调速系统的静特性G2010G7524G328225双闭环直流调速系统的稳G5589结构框G3282G2010G7524静特性的关G19202是G6496G6581PI调G14422器的稳G5589特征，G980G14336使G4396在G1016G12193状况G726饱和输出G17810G2052限幅G1552，G993饱和输出未G17810G2052限幅G1552。G5415调G14422器饱和G7114，输出为恒G1552，输入G18339的变化G993G1889G5445G2721输出，除非有G2465G2533的输入G1461G2507使调G14422器退出饱和，换句话G16840，饱和的调G14422器暂G7114隔G7041了输入和输出的联系，G11468G5415G1122使G16825调G14422环开环。G5415调G14422器G993饱和G7114，PI的作用使输入偏G5058电压U在稳G5589G7114G5647为零。实G19481上，在G8503常运行G7114，电流调G14422器是G993会G17810G205