Hongyan Jia1,2 , Zengqiang Chen1, Zhuzhi Yuan1 1 Department of Automation, Nankai University, Tianjin 300071, PR China 2 Department of Automation, Tianjin University of Science and Technology, Tianjin 300222, PR China
This paper simply analyses a hyper-chaos system which based on the modified Lorenz system, and chiefly designs its circuit. In this paper, the different phase portraits of the system are studied when the system parameter k is varied. The circuit of the system is implemented by the operational amplifiers and the analog multiplier, it includes four channels. Some phase portraits can be observed through analog oscillation when adjusting corresponding resistor. The result from the circuit is approximately same as that from computer simulation.
Circuit,implementation,hyper-chaos, attractors, bifurcation.
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