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《基于滑模變結(jié)構(gòu)的永磁同步電機(jī)伺服系統(tǒng)速度控制技術(shù)》由會(huì)員上傳分享,免費(fèi)在線閱讀,更多相關(guān)內(nèi)容在學(xué)術(shù)論文-天天文庫(kù)。
1、2017年第3期導(dǎo)彈與航天運(yùn)載技術(shù)No.32017總第353期MISSILESANDSPACEVEHICLESSumNo.353文章編號(hào):1004-7182(2017)03-0074-06DOI:10.7654/j.issn.1004-7182.20170316基于滑模變結(jié)構(gòu)的永磁同步電機(jī)伺服系統(tǒng)速度控制技術(shù)鄭再平,包婷萍,侍威,賈淑絨,黃玉平(北京精密機(jī)電控制設(shè)備研究所,北京,100076)摘要:速度環(huán)是永磁同步電機(jī)伺服系統(tǒng)三環(huán)控制的中間環(huán)節(jié),其控制方法和控制技術(shù)的優(yōu)劣直接影響整個(gè)系統(tǒng)的動(dòng)態(tài)響應(yīng)。根據(jù)永磁同步電機(jī)空間矢量圖及矢量控制原理,分析永磁同步電機(jī)數(shù)學(xué)模型和
2、動(dòng)靜態(tài)坐標(biāo)變換方程,由于速度環(huán)的比例、積分(ProportionIntegral,PI)控制存在速度超調(diào)、速度差積分飽和及抗擾動(dòng)性能差等問題,提出基于滑模變結(jié)構(gòu)的速度環(huán)控制方法,設(shè)計(jì)滑模面及切換函數(shù),構(gòu)建滑模變結(jié)構(gòu)速度閉環(huán)控制器。分析電流環(huán)對(duì)電機(jī)反電勢(shì)的影響,提出在電流環(huán)的設(shè)計(jì)過程中加入反電勢(shì)補(bǔ)償環(huán)節(jié)的電流控制器,并對(duì)電流環(huán)進(jìn)行簡(jiǎn)化處理。利用仿真軟件對(duì)系統(tǒng)電流環(huán)、速度環(huán)及系統(tǒng)進(jìn)行建模,通過仿真研究,驗(yàn)證系統(tǒng)速度控制策略的可行性。關(guān)鍵詞:永磁同步電機(jī);滑模變結(jié)構(gòu);速度調(diào)節(jié)器中圖分類號(hào):TP273文獻(xiàn)標(biāo)識(shí)碼:ASpeedControlTechnologyofPerman
3、entMagnetSynchronousMotorServoSystemBasedonSlidingModeVariableStructureZhengZai-ping,BaoTing-ping,ShiWei,JiaShu-rong,HuangYu-ping(BeijingResearchInstituteofPreciseMechatronicandControls,Beijing,100076)Abstract:Thespeedloopisanintermediatelinkofthethree-ringcontrolmethodthatwithintheper
4、manentmagnetsynchronousmotorservosystem,thecontrolmethodandcontroltechnologyofthespeedloopdirectlyaffectthedynamicresponseofthewholesystem.Accordingtothespacevectordiagramandthevectorcontroltheoryofpermanentmagnetsynchronousmotor,themathematicalmodelofthemotorandthedynamicandstaticcoor
5、dinatetransformationequationareanalyzed.Therearesomeproblemsaboutspeedovershoot,velocitydifferenceintegralsaturationandanti-disturbanceenergydifferenceinthePIcontrolofthespeedloop.Thespeedloopcontrolmethodbasedontheslidingmodevariablestructureisproposed.Inthemeantime,theslidingmodesurf
6、aceandswitchingfunctionaredesignedandthentheslidingmodevariablestructurespeedclosedloopcontrollerisconstructed.Bymeansofanalyzingtheinfluenceofthecurrentlooponthebackelectromotiveforceofthemotor,thecurrentcontrollerbasedonthebackEMFcompensationlinkisputforwardinthedesignofthecurrentloo
7、p,afterthatthecurrentloopcouldbeimplified.Throughthemodelingandsimulationanalysisofthesystemcurrentloop,thespeedloopandthewholesystem,thefeasibilityofthespeedloopcontrolstrategycanbeverified.Keywords:Permanentmagnetsynchronousmotor;Slidingmodevariablestructure;Speedregulator0引言給定電流,其