模糊PID动态切换控制算法的研究

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1、北京交通大学硕士学位论文模糊PID动态切换控制算法的研究姓名：齐琳申请学位级别：硕士专业：交通信息工程及控制指导教师：刘泽20080601ABSTRACTABSTRACT：P1Dcontrolalgorithmhasbeenwidelyusedintherealcontrolengineeringforitsadvantagessuchasstructuresimplicity,stable，easyrealizationandmatureintheory．Ithastheadvantagetoeliminatetheerror,butthecharac

2、teristic，whichthecontradictionofrapidityandovershootishardtobalanceandpooradaptabilityofcontrolobjectparametervariation，makethealgorithmdifficulttomeetthehighlevelrequirementofcontrolquality．Nevertheless，fuzzycontrolalgorithmwhichhasstrongadaptabilityofcontrolobjectparametervaria

3、tionCanensurethefastresponseandlessovershootforthecontrolsystem，butithasthedisadvantageofstaticerrorremaining·AkindoffuzzyandPIDswitchingalgorithmwhichbasesonswitchingcontrolstrategYhasbeenproposedinthisthesisbycombiningtheadvantagesoffuzzycontrolandPIDcontrolalgorithmaccordingto

4、therealcontrolengineeringapplication．Themainworkofthisthesisincludes：1．TheoryanddesignmethodsoffuzzycontrolandPIDcontrolalgorithmareanalyzedandtheiradvantagesanddisadvantageshavebeensummarized．TheimportanceofthenewalgorithmwhichfusestheadvantagesoffuzzyandPIDcontrolalgorithmhasbe

5、enillustrated．2．Toreducethecomplexityofcalculationandtomakethealgorithmeasytouseinanbeddedsystem，anovelfuzzyandPIDdynamicswitchingcontrolalgorithmISbrou曲tforwardbasedonmaturePIDandfuzzycontrolalgorithmtoacquiretheadaptabilityofcontrolobjectparametervariation·3．FuzzyandPIDdynamics

6、witchingcontrolalgorithmisproposedandsimulatedbyusingSinlulink．Thesimulationisbasedonakindofairpressfollowingcontrolapplicationoftrainbreaktestsystem．ThesimulationresultsarealsoanalyzedandC0mparedwithPIDcontrolalgorithm，fuzzycontrolalgorithmandakindoffuzzyadaptivecontrolalgorithm

7、toverifythecontrolqualityandadaptabilityoffuzzyandPIDdynamicswitchingcontrolalgorithm．4．AkindoftrainbraketestsystembasedonfuzzyandPIDdynamicswitchingcon缸．0lalgorithmisdesignedanditsprinciple，hardwareandsoftwaresystemsdesignprocesshavebeenelaborated．KEYWORDS：PIDcontrol；FuzzyandPID

8、switchingcontrolCLASSN0：TP273+．3V学位论文版权使