A data encryption technology for serial communication of multi degree of freedom manipulator based on chaotic sequence Online publication date: Fri, 03-Mar-2023
by Yan-Qin Zhang; Xiao-Xing Shi; Yunqing Qu
International Journal of Internet Manufacturing and Services (IJIMS), Vol. 9, No. 1, 2023
Abstract: In order to effectively improve the security of serial communication data encryption of manipulator and shorten the encryption time, a multi degree of freedom serial communication data encryption technology of manipulator based on chaotic sequence is proposed. The serial communication data of the manipulator is obtained by using the logistic chaotic map, and the chaotic sequence of the communication data is generated. Based on the binary sequence generated by the logistic chaotic map, the serial communication data encryption key of each wheel is generated. The serial communication data obtained is forward XOR or reverse XOR with the sub key to realise the serial communication data encryption of the mechanical arm. The experimental results show that the maximum value of the cross-correlation function of the proposed method is closer to 0, and the data encryption time is only 15.2 s, which effectively improves the security of data encryption.
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