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MOT SO PHUOTVG PHAP THIET KE BO DIEU KHIEN BEN VlTNG CHO MOT LOP DOI TUQWG TUYEN TINH 'C6 THONG SO BAT DINH Phgm Vdn Minh, Hodng Duy Khang '"^, Nguyin The Thdng ^*^ (a) Khoa Diin-Dgi hgc Cong nghiep Hd ngi (b) Dgi hgc Bdch khoa Hd ngi Tdm tdt: Bdo cdo ndy dica thdo lugn mgt so phuang phdp xit su on dinh vd ddnh ^id chdt lugng dicac dp dung cho bdi todn thiet ke bg dieu khien ben vieng doi vai mgt lap doi tirgnig cd mo hinh bdt dinh thdng so Bang viec sic dung thich hgp cdc tiiu chudn ddnh gid chdt lugmg ta co the dica bdi todn xdc dinh thong so bg dieu khien ve bdi todn toi icu dgng qui hogch phi tuyen hay qui hogch niea vo hgn Nghiem ciia bdi todn toi mi dugtc xdc dinh bai phuang pMp ddm bdo SVC thoa mdn chat doi vai cdc rdng biigc Abstract: This paper to discuss about some methods to guarantee for stability and performance They were applied to robust controller design problems for linear class plants with parameter uncertainty By using suitable for stability criteries and performance, we can be translate them into the nonlinear programming problem or semi-infinite optimization The solution of optimal problem were difined by strickly satisfy for constrains L GI61 THIEU CHUNG Vifc xay dung bd dilu khiln cho mdt ddi tugng thudng dua tren md hinh, giira md hinh v^ ddi tugng that cd su sai Ifch (nguyen nhan dimg phuang phdp gan diing, thieu thdng tin nhan dang ) De khdc phuc phan ndo hau qud cd sai Ifch md hinh ta cd the xay dpg bd dieu khien ben viing dua tren md hinh bat dinh Md hinh bit djnh cd the md td bdng mgt tap md hinh cd cau tnic ho?ic khdn^ cau true, mo hinh khdng cau tnic thudng dugc ddnh gid qua gidi ban chdn, cdn md hinh c6 cau true thudng dugc thdng sd hda vd dugc ddnh gid qua t^p bat djnh cua thdng sd Thiet ke phai dam bdo cdc chi tieu chat lugng mong mudn cho mgi md hinh tap mo hinh khdo sdt.On djnh Id yeu cau co bdn cua mgt hf dilu khiln, ngodi cdc chi tieu chat lugng khdc ciing dugc x6t den nhu: Su bdm dau vdo tdt (good set point tracking), giam thieu su tdc ddng ciia nhieu (noise attenuation), cdc chi sd vl dO du trii dn djnh, ve s\r tdt cua qua trinh qud do, ve qud dieu chinh phdi du tot hay phai ndm mgt gidi ban cho phep Hifn nay, chua cd mgt phuang phdp thilt kl bg dilu khiln dk cd the dam bao dugc tit cacdc chi tieu chat lugng mong mudn ke tren Bdo cdo ndy gidi thifu mgt so phuang phdp vd ddng thdi de nghj mgt phuomg phdp giai tfch de thilt kl bg dilu khien d\ra tren md hinh tuyin tfnh cd thdng sd bit djnh Xet mdt hf thing lien tuc dang SISO vdi md hinh tuyin tfnh cd thdng sd bit dinh co the md td bdng md hinh tdi gian hinh 762 X) e N C(s) P(s, q) ^ Hinhl Trong dd: y Id tfn hifu ra, r la tfn hifu ddt, d Id nhieu, C(s) Id bg dilu khiln P(s, q) Id ham truyin cua dii tugng cd thdng sl bat djnh q cd dang: N,{s.q) P{s.q) = DAs.q) t.b^q)s' y-o (1) i;ô.('7)-^' /ão Vdi q=[qi, q2 qtf Id v€c ta thdng sd bit djnh qeQ, tap Q thudng cd dang sieu hgp (hypercube, box): Q = jq| ai gAx,q) = f^_ =aoA% +(.v, -2.v,.v.)(6 + (/3 +r/ffy,)>0 A./"i - / / = -^^'2^1 ('V, fy) > - » A-3 > Sl ('^''9) = - ( - a^XiX, + a(,x,xl -dx.xl + 6A-,A;)-6A-,^, + \aQX^x^ + a^x^x; Jcy, + ArWi^y + (-Xjxl +x^xl)q; + 2(-A-,A-J -h A-,A4)
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