From August 13^th to 15^th, 2017, the Academic Conference on Chaos-based Security Communication was held in Weiha, Shandong Provincei. Lei Tengfei, a teacher from the School of Mechanic and Electronic Engineering department, attended the conference and delivered a speech entitled “Dynamic Analysis of Fractional-order Hyper-chaotic System with Three Positive Lyapunov Exponents Based on Adomian Decomposition Method”.

The conference was held in the context of the country’s priority to information security and cyberspace security. It was reported that a group report was carried out from aspects of nonlinear basic theory, wireless communication security analysis, chaotic analysis of confidential communication and optical communication security analysis. This conference was also an academic gathering in the context of the country's high attention to information security and network space security construction.

During the meeting, Mr. Lei Tengfei held in-depth exchanges with the delegates and won wide acclaim from the delegates.