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DMC係列微電腦控製溫控器 *采用PID模糊控製技術 *用先進的數碼技術通過Pvar、Ivar、Dvar三方麵的結合調整 *形成一個模糊控製來解決慣性溫度誤差問題 julejie,henduochangjiazaishiyongwenkongqideguochengzhong,wangwangpengdaoguanxingwenduwuchadewenti,kuyuwufajiejue,yikaoshougongtiaoyalaikongzhiwendu。benchangzaishijianzhong,buduantansuo,buduanchuangxin,caiyonglePID模糊控製技術,較好地解決了慣性溫度誤差的問題。 傳統的溫度控製器,是利用熱電偶線在溫度化變化的情況下,產生變化的電流作為控製信號,對電器元件作定點的開關控製器。 傳統的溫度控製器的電熱元件一般以電熱棒、發熱圈為主,兩者裏麵都用發熱絲製成。發熱絲通過電流加熱時,通常達到1000℃以上,所以發熱棒、發熱圈內部溫度都很高。一般進行溫度控製的電器機械,其控製溫度多在0-400℃zhijian,suoyi,chuantongdewenkongqijinxingwendukongzhiqijian,dangbeijiareqijianwendushenggaozhishedingwendushi,wenkongqihuifachuxinhaotingzhijiare。danzheshifarebanghuofarequandeneibuwenduhuigaoyu400℃,發熱棒、farequanhaijianghuiduibeijiaredeqijianjinxingjiare,jishiwenkongqifachuxinhaotingzhijiare,beijiareqijiandewenduhaiwangwangjixushangshengjidu,ranhoucaikaishixiajiang。dangxiajiangdaoshedingwendudexiaxianshi,wenkongqiyoukaishifachujiaredexinhao,kaishijiare,danfaresiyaobawenduchuandidaobeijiareqijianxuyaoyidingdeshihou,zhejiuyaoshihufaresiyubeijiareqijianzhijiandejiezhiqingkuangerding(例如發熱棒、發熱圈表麵的厚薄,及其與被加熱器件接觸的麵積等等)。tongchangkaishizhongxinjiareshi,wendujixuxiajiangjidu。suoyi,chuantongdedingdiankaiguankongzhiwenduhuiyouzhengfuwuchajidudexianxiang,danzhebushikongwenqibenshendewenti,ershizhenggerexitongdejiegouxingwenti,shikongwenchanshengyizhongguanxingwenduwucha。 要解決這個問題,采用PID模糊控製技術,是明智的選擇。PID模糊控製,是針對以上的情況而製定的、新的溫度控製方案,用先進的數碼技術通過Pvar、Ivar、Dvar三方麵的結合調整,形成一個模糊控製,來解決慣性溫度誤差問題。 然ran而er,在zai很hen多duo情qing況kuang下xia,由you於yu傳chuan統tong的de溫wen控kong方fang式shi存cun在zai較jiao大da的de慣guan性xing溫wen度du誤wu差cha,往wang往wang在zai要yao求qiu精jing確que的de溫wen控kong時shi,很hen多duo人ren會hui放fang棄qi自zi動dong控kong製zhi而er采cai用yong調tiao壓ya器qi來lai代dai替ti溫wen控kong器qi。當dang然ran,在zai電dian壓ya穩wen定ding工gong作zuo的de速su度du不bu變bian、外wai界jie氣qi溫wen不bu變bian和he空kong氣qi流liu動dong速su度du不bu變bian的de情qing況kuang下xia,這zhe樣yang做zuo是shi完wan全quan可ke以yi的de,但dan要yao清qing楚chu地di知zhi道dao,以yi上shang的de環huan境jing因yin素su是shi不bu斷duan改gai變bian的de,同tong時shi,用yong調tiao壓ya器qi來lai代dai替ti溫wen控kong器qi時shi,必bi須xu在zai很hen大da程cheng度du上shang靠kao人ren力li調tiao節jie,隨sui著zhe工gong作zuo環huan境jing的de變bian化hua而er用yong人ren手shou調tiao好hao所suo需xu溫wen度du的de度du數shu,然ran後hou靠kao相xiang對dui穩wen定ding的de電dian壓ya來lai通tong電dian加jia熱re,勉mian強qiang運yun作zuo,但dan這zhe決jue不bu是shi自zi動dong控kong溫wen。當dang需xu要yao控kong溫wen的de關guan鍵jian很hen多duo時shi,就jiu會hui手shou忙mang腳jiao亂luan。這zhe樣yang,調tiao壓ya器qi就jiu派pai不bu上shang用yong場chang,因yin為wei靠kao人ren手shou不bu能neng同tong時shi調tiao節jie那na麼me多duo需xu要yao溫wen控kong的de關guan鍵jian,隻zhi有you采cai用yongPID模糊控製技術,才能解決這個問題,使操作得心應手,運行暢順。 例如燙金機,其溫度要求比較穩定,通常在正負2℃yineicainengjiaohaoyunzuo。gaosutangjinjitangzhitongyizhongchanpintuanshi,suizhesudujiakuai,jiaresuduyeyaoxiangyingtigao。zheshi,chuantongdewenkongfangshihecaiyongtiaoyaqicaozuojiubunengshengren,chanpindezhiliangjiubunengbaozheng,yinweitangjinzhiqianbixuyaobatangjinjideyunzhuansudutiaojieshidang,yongsudulaiqianjiuwenkongqihetiaoyaqideruodian。danshi,ruguocaiyongPID模糊控製的溫控器,就能解決以上的問題,因為PID中的P,即Pvar功率變量控製,能隨著燙金機工作速度加快而加大功率輸出的百分量。本廠的燙金產品銷往國內外,多年來一直受客戶讚譽。 ――正機電子・工程部 (原創文章,未經許可不得轉載)

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