Phase Effect in Controlling Non-autonomous Chaos in the Presence of Noise

查看全文 作　　者：Ruo-Qian [1]Zhu;Long-Suo [2]Li;Xin-Rong [2]Cong;Yi-Xin [3,4]Dou 机构地区：[1]School of Management,Harbin University of Science and Technology;[2]Dept.of Mathematics,Harbin Institute of Technology;[3]Dept.of Astronautical Science and Mechanics,School of Astronautics,Harbin Institute of Technology;[4]School of Finance,Harbin University of Commerce 出　　处：《Journal of Harbin Institute of Technology(New Series)》索引2013年第20卷第4期,共4页 摘　　要：The effect of random phase on the Josephson junction system dynamic model is investigated.It is shown that random phase has the suppressing ability for controlling chaos.The top Lyapunov exponent is used to detect the chaotic dynamics in the system,and the method for calculating the top Lyapunov exponent is based on Khasminskii’s spherical coordinate formulation for linear stochastic systems.In addition,Poincarémap,phase portraits and time evolution are investigated to verify the obtained results.It is found that these results have the excellent agreement. 关 键 词：chaos control random phase Gauss white noise