RT Journal T1 Design of the disturbance observer of opto-electronic platform in frequency domain A1 WEI Wei, DAI Ming, LI Jiaquan, MAO Dapeng, LI Xiantao PB Journal of Shandong University(Engineering Science) FD 2015-08-20 YR 2015 JF Journal of Shandong University(Engineering Science) JO Journal of Shandong University(Engineering Science) VO 45 IS 4 SP 45 DO 10.6040/j.issn.1672-3961.0.2014.122 K1 disturbance observer;non-minimum phase plant;the nominal plant;robust stability;the disturbance isolation LK {http://gxbwk.njournal.sdu.edu.cn/EN/article/article_1272.shtml}