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ID:32471617
大小:2.48 MB
页数:64页
时间:2019-02-06
《模糊控制理论在时滞系统中的应用》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、藏汉懋:
2、=大学谈七。≥靛论文审文撩鬟辩滞系统燕一季申在工渡生产中广泛存在滟系统,因褥辩滞系绕瓣控涮迄是控制理论应用的~个重疆领城。由于时滞对控制鬣输出的纯延迟作用,使得控制系绞在怒调羹、磐差及豫定往够蕴潮髓麓方嚣显蕊篷变环。控懿专塞翻对其避行了多年懿磷究,稳至今爨束缚逛戆在窑繇应蠲中对霹季漆系统逸嚣蠢效羧裁敷方法,因而它被公认为是一“种较难控制的对象。模糊接巷《终为餐§%控铡中~萃申蘩要藤青效靛方法,毁摸糍集会理论为鏊穑,纛接飘专家熬按裁经验串蕊臻褥爨囊效静控裁溉刘,褥澍跫黯予参数渡凌秘负载干扰的黪响,模糊控稍暴寄较疆静餐棒健,麸聪为融滞系统捺露l方法的研究开貅了额的途径。辩滢系统豹
3、控翻爱控翻蠼谂嶷璃熬~令霪黉疆蠛,受了旋褒鬻簸簿瀵按澍系统豹蚤耱萑,零文蒋模羧捺掰雩}天黧辩漆系统麓弪裁孛。谂交蓠先分褥了漆器强节对系统性能的影响,通过对比分析几种常规时滞控制方法,解析说明了常规控秘方法蘩捧憋铰差。绥照赛激湿发控制系统是一个复絷系缝,难以建立系统戆数学摸羹,采鬻魏控翻方法戆孩获褥滚意豹羧裁效聚。零文孛虢矮骚麝湛瘦、湿度控制系麓为磷究对象,进行试验仿真,试验仿粪绫巢{瓣实了横糊控制PID羧嚣《嚣的控制效果饯于常规PID控俸4器,模糊PID控镣8器竞念能够实现对烘胎房温度、泓度瓣蠢效撩涮。鬓努,文帮还绦爨了爨狳鸯瀑麦、溅廑整灏器盼凝侮绣稳竣及软俘罄法。关键测:薅游蕊绞,摸
4、凝PID控铡,绥鼹赛,镶囊武汉理工人学硕士学能论文ABSTRACTThetime—delaysystemiSakindofsystemexistinginindustrialproductionSOextensivelythatitisseenasanimportantfieldinwhichthecontroltheoryiSemployedto.Asweknow,becauseofthesystem'sdelayfunctiontOtheoutpulofcontrolValue,itmakesthecontrolvalueunabletoreflectthecontrolledOb
5、{ecttimely.Asaresult,thismaymakessomecontr01propertiesofthecontrolsystembecomeworseintermsofsuper-regulatingvalue,thesteady—stateerrorandstability,etc.AIthoughtheexpertgoonresearchonthisaspectformanyyears,SOfareffectivemethodswhichcanbeusedinpracticalapplicationa糙notfoundyet.Therefore,thetime.de
6、laysystemisrecognizedasakindofsystemdifficulttocontrol。Regardedasoueofimportantandeffectiveembranchmentintheintellectualcontrolfield,fuzzylogicCOIltrolbasedonthetheoryoffuzzysetsanditscontrolrulecanbesununarizedfromcontrolexperts’experiencedirectly.Especially,fuzzycontrolhashi馥robustnessfor搬epar
7、ameter’Sfluctuationandtheload+Sdisturbance.AIlthosemeritsenablethefuzzycontrolbecomeanewroutetotheresearchonthemethodsofcontrollingthetime—delaysystem.Time。delaysystemiStheimportantfieldfortheapplicationofthecontroltheory.Inthispaper'fuzzylogiccontrolfortime-delaysystemisinffoducedinordertoimpro
8、vetherobustnessofthegeneraltime·delaycontrolsystem。Firstly,thispaperanalyzesthedynamicperformanceoftime—delay.Andthroughcomparingandanalyzingseveralkindsofroutinetime·delayCOntrolsystem,provethatgeneralcontrolschemesfortime—
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