RT Journal T1 Improving existing “reaching law” for better discrete control of seismically-excited building structures A1 Zhijun LI, Zichen DENG PB Front. Struct. Civ. Eng. FD 2009-06-05 YR 2009 JF Frontiers of Structural and Civil Engineering JO Front. Struct. Civ. Eng. VO 3 IS 2 SP 111 DO 10.1007/s11709-009-0022-5 K1 discrete-time variable structure control;composite reaching law;chattering effect;saturated control law LK {https://journal.hep.com.cn/fsce/EN/article/article_787.shtml}