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Long Yunjia
Strategic Study of CAE 2001, Volume 3, Issue 2, Pages 10-15
The world is nonlinear, linearity is oly its approximate description. The discovery of chaos has showed that some deterministic nonlinear systems exhibit inner random behavior. Over the past two decades, chaos was such a universal phenomenon that it was reported virtually in every scientific discipline : mathematics, physics, chemistry, and even the social sciences. The main interest for theoretical academicians has been to investigate the essence of chaos. At the same time, practical applicatioins of chaos have been widely appreciated in many engineering fields such as information engineering, system engineering, medical engineering, agricultural engineering, electrical engineering,biological engineering, mechanical engineering, civil engineering, etc. Chaos Engineering is a new nonlinear engineering science to research the practical use of chaos and its fundamental theory. In this paper, the object, definition, concept, method, theory and application of modern Chaos Engineering are summarized. Some works done by the author and the recent advances are introduced. The fcx:us of Chaos Engineering research and development in national economy and national defense may include chaos analytic technique, chaos control technique and chaos synthetic technique.
Keywords: nonlinear chaos oscillation vibration wave
Road Roller Engineering Based on Chaotic Vibration Mechanics
Long Yunjia,Yang Yong,Wang Congling
Strategic Study of CAE 2000, Volume 2, Issue 9, Pages 76-79
The vibration test, numerical simulation and compaction experiment of the chaotic vibratory rollers (three types: 0.75t, 101 and 14t) are completed for transform theoretical research of chaotic vibration mechanics into technology achievement in road roller engineering.
It is proved that the working efficiency of chaotic vibratory roller is 12.2% higher than that of traditional one. One type of heavy chaotic vibratory roller (14t) is used in highway development in west China.
Keywords: chaos vibration road roller engineering
Bifurcation-based fractional-order PI None
Karima RABAH, Samir LADACI, Mohamed LASHAB
Frontiers of Information Technology & Electronic Engineering 2018, Volume 19, Issue 2, Pages 180-191 doi: 10.1631/FITEE.1601543
Keywords: Fractional order system Bifurcation diagram Fractional PIλDμ controller Multi-scroll Chen chaotic system Genesio-Tesi chaotic system
Analysis of A Block Cipher Based on Chaos
Jin Chenhui
Strategic Study of CAE 2001, Volume 3, Issue 6, Pages 75-80
In this paper, it is pointed out that the block cipher proposed in “Design of Block Cipher substitution network on chaos” can be broken by attack with known plaintext and attack with ciphertext only, and the key of this cipher can be found by the divide-and-conquer attack with the encipher transformation. Furthermore, the mutual restriction between the successive values of the chaos sequences based on the Logistic mapping, and the property that the frontal values of the chaos sequences are not sensitive to the bits on the lower po-sitions of the initial value are also pointed out.
Keywords: chaos sequence block cipher transposition cipher attack with known plaintext attack with ciphertext only divide-and-conquer attack
Design of Block Cipher Substitution Network on Chaos
Sun Feng,Qin Honglei,Xu Yiaoqun,Hao Yianling
Strategic Study of CAE 2000, Volume 2, Issue 9, Pages 47-49
In this paper, a design of block cipher substitution network is presented by use of the ergodic theory of chaos. The ergodic theory of chaos and the time complexity of substitution network is analyzed. The computer simulation result shows that the block cipher substitution network of chaos is highly complex and strong in anti-decipher .
Keywords: chaos sequence permutation network ergodic theory time complexity
Differential coupling contributes to synchronization via a capacitor connection between chaotic circuits Regular Papers
Yu-meng XU, Zhao YAO, Aatef HOBINY, Jun MA
Frontiers of Information Technology & Electronic Engineering 2019, Volume 20, Issue 4, Pages 571-583 doi: 10.1631/FITEE.1800499
Nonlinear oscillators and circuits can be coupled to reach synchronization and consensus. The occurrence of complete synchronization means that all oscillators can maintain the same amplitude and phase, and it is often detected between identical oscillators. However, phase synchronization means that the coupled oscillators just keep pace in oscillation even though the amplitude of each node could be different. For dimensionless dynamical systems and oscillators, the synchronization approach depends a great deal on the selection of coupling variable and type. For nonlinear circuits, a resistor is often used to bridge the connection between two or more circuits, so voltage coupling can be activated to generate feedback on the coupled circuits. In this paper, capacitor coupling is applied between two Pikovsk-Rabinovich (PR) circuits, and electric field coupling explains the potential mechanism for differential coupling. Then symmetric coupling and cross coupling are activated to detect synchronization stability, separately. It is found that resistor-based voltage coupling via a single variable can stabilize the synchronization, and the energy flow of the controller is decreased when synchronization is realized. Furthermore, by applying appropriate intensity for the coupling capacitor, synchronization is also reached and the energy flow across the coupling capacitor is helpful in regulating the dynamical behaviors of coupled circuits, which are supported by a continuous energy exchange between capacitors and the inductor. It is also confirmed that the realization of synchronization is dependent on the selection of a coupling channel. The approach and stability of complete synchronization depend on symmetric coupling, which is activated between the same variables. Cross coupling between different variables just triggers phase synchronization. The capacitor coupling can avoid energy consumption for the case with resistor coupling, and it can also enhance the energy exchange between two coupled circuits.
Keywords: Synchronization Voltage coupling Chaotic circuit Capacitor coupling
Saeed KHORASHADIZADEH, Mohammad-Hassan MAJIDI
Frontiers of Information Technology & Electronic Engineering 2018, Volume 19, Issue 9, Pages 1180-1190 doi: 10.1631/FITEE.1601814
In this study, a new controller for chaos synchronization is proposed. It consists of a state feedback controller and a robust control term using Legendre polynomials to compensate for uncertainties. The truncation error is also considered. Due to the orthogonal functions theorem, Legendre polynomials can approximate nonlinear functions with arbitrarily small approximation errors. As a result, they can replace fuzzy systems and neural networks to estimate and compensate for uncertainties in control systems. Legendre polynomials have fewer tuning parameters than fuzzy systems and neural networks. Thus, their tuning process is simpler. Similar to the parameters of fuzzy systems, Legendre coefficients are estimated online using the adaptation rule obtained from the stability analysis. It is assumed that the master and slave systems are the Lorenz and Chen chaotic systems, respectively. In secure communication systems, observer-based synchronization is required since only one state variable of the master system is sent through the channel. The use of observer-based synchronization to obtain other state variables is discussed. Simulation results reveal the effectiveness of the proposed approach. A comparison with a fuzzy sliding mode controller shows that the proposed controller provides a superior transient response. The problem of secure communications is explained and the controller performance in secure communications is examined.
Keywords: Observer-based synchronization Chaotic systems Legendre polynomials Secure communications
Dynamic analysis, FPGA implementation, and cryptographic application of an autonomous 5D chaotic system with offset boosting Research Articles
Sifeu Takougang Kingni, Karthikeyan Rajagopal, Serdar Çiçek, Ashokkumar Srinivasan, Anitha Karthikeyan,stkingni@gmail.com
Frontiers of Information Technology & Electronic Engineering 2020, Volume 21, Issue 6, Pages 809-962 doi: 10.1631/FITEE.1900167
Keywords: 混沌系统;霍普夫分岔;共存吸引子;偏置增强;FPGA实现;声音加密
Chaotic dynamics of a fractional order glucose-insulin regulatory system Research Articles
Karthikeyan Rajagopal, Atiyeh Bayani, Sajad Jafari, Anitha Karthikeyan, Iqtadar Hussain,rkarthiekeyan@gmail.com,atiyeh.bayani@yahoo.com,sajad.jafari@tdtu.edu.vn,mrs.anithakarthikeyan@gmail.com,iqtadarqau@gmail.com
Frontiers of Information Technology & Electronic Engineering 2020, Volume 21, Issue 7, Pages 1108-1118 doi: 10.1631/FITEE.1900104
Keywords: Diabetes mellitus Chaos Bifurcation Multistability Antimonotonicity
Dynamics of a neuron exposed to integer- and fractional-order discontinuous externalmagnetic flux Regular Papers
Karthikeyan RAJAGOPAL, Fahimeh NAZARIMEHR, Anitha KARTHIKEYAN, Ahmed ALSAEDI, Tasawar HAYAT, Viet-Thanh PHAM
Frontiers of Information Technology & Electronic Engineering 2019, Volume 20, Issue 4, Pages 584-590 doi: 10.1631/FITEE.1800389
We propose a modified Fitzhugh-Nagumo neuron (MFNN) model. Based on this model, an integerorder MFNN system (case A) and a fractional-order MFNN system (case B) were investigated. In the presence of electromagnetic induction and radiation, memductance and induction can show a variety of distributions. Fractionalorder magnetic flux can then be considered. Indeed, a fractional-order setting can be acceptable for non-uniform diffusion. In the case of an MFNN system with integer-order discontinuous magnetic flux, the system has chaotic and non-chaotic attractors. Dynamical analysis of the system shows the birth and death of period doubling, which is a sign of antimonotonicity. Such a behavior has not been studied previously in the dynamics of neurons. In an MFNN system with fractional-order discontinuous magnetic flux, different attractors such as chaotic and periodic attractors can be observed. However, there is no sign of antimonotonicity.
Keywords: Fitzhugh-Nagumo Chaos Fractional order Magnetic flux
Chaotic digital cryptosystem using serial peripheral interface protocol and its dsPIC implementation None
Rodrigo MÉNDEZ-RAMÍREZ, Adrian ARELLANO-DELGADO, César CRUZ-HERNÁNDEZ, Fausto ABUNDIZ-PÉREZ, Rigoberto MARTÍNEZ-CLARK
Frontiers of Information Technology & Electronic Engineering 2018, Volume 19, Issue 2, Pages 165-179 doi: 10.1631/FITEE.1601346
Keywords: Chaotic systems Statistical tests Embedded systems dsPIC microcontroller Serial peripheral interface (SPI) protocol
Pulse Transiently Chaotic Neural Network for Nonlinear Constrained Optimization
Li Ying,Cao Hongzhao,Hu Yunchang,Shang Xiuming
Strategic Study of CAE 2004, Volume 6, Issue 5, Pages 45-48
Pulse Transiently Chaotic Neural Network (PTCNN) can find almost all optima including the part optima and the global with its abundance dynamical characteristic, when is used in nonlinear non-constrained optimization. The optimization problem is first unconstrained by virtue of non-differentiable exact penalty function, and is further solved by PTCNN. It is showed by an example that this method is efficient.
Keywords: PTCNN penalty function nonlinear constrained optimization
Bio-inspired cryptosystem on the reciprocal domain: DNA strands mutate to secure health data Research Articles
S. Aashiq Banu, Rengarajan Amirtharajan,aashiqbanu@sastra.ac.in,amir@ece.sastra.edu
Frontiers of Information Technology & Electronic Engineering 2021, Volume 22, Issue 7, Pages 940-956 doi: 10.1631/FITEE.2000071
Keywords: 医学图像加密;DNA;混沌吸引子;交叉;突变;电子医疗
NEHASH: high-concurrency extendible hashing for non-volatile memory Research Article
Qiankun WANG, Xingchen LI, Bingzhe WU, Ke YANG, Wei HU, Guangyu SUN, Yuchao YANG,gsun@pku.edu.cn
Frontiers of Information Technology & Electronic Engineering 2023, Volume 24, Issue 5, Pages 731-741 doi: 10.1631/FITEE.2200463
Keywords: Combinatorial optimization Chaotic simulated annealing Processing-in-memory
A chaotic coverage path planner for the mobilerobot based on the Chebyshev map for special missions Article
Cai-hong LI, Yong SONG, Feng-ying WANG, Zhi-qiang WANG, Yi-bin LI
Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 9, Pages 1305-1319 doi: 10.1631/FITEE.1601253
Keywords: Mobile robot Chebyshev map Chaotic Affine transformation Coverage path planning
Title Author Date Type Operation
Road Roller Engineering Based on Chaotic Vibration Mechanics
Long Yunjia,Yang Yong,Wang Congling
Journal Article
Design of Block Cipher Substitution Network on Chaos
Sun Feng,Qin Honglei,Xu Yiaoqun,Hao Yianling
Journal Article
Differential coupling contributes to synchronization via a capacitor connection between chaotic circuits
Yu-meng XU, Zhao YAO, Aatef HOBINY, Jun MA
Journal Article
Synchronization of two different chaotic systems using Legendre polynomials with applications in secure communications
Saeed KHORASHADIZADEH, Mohammad-Hassan MAJIDI
Journal Article
Dynamic analysis, FPGA implementation, and cryptographic application of an autonomous 5D chaotic system with offset boosting
Sifeu Takougang Kingni, Karthikeyan Rajagopal, Serdar Çiçek, Ashokkumar Srinivasan, Anitha Karthikeyan,stkingni@gmail.com
Journal Article
Chaotic dynamics of a fractional order glucose-insulin regulatory system
Karthikeyan Rajagopal, Atiyeh Bayani, Sajad Jafari, Anitha Karthikeyan, Iqtadar Hussain,rkarthiekeyan@gmail.com,atiyeh.bayani@yahoo.com,sajad.jafari@tdtu.edu.vn,mrs.anithakarthikeyan@gmail.com,iqtadarqau@gmail.com
Journal Article
Dynamics of a neuron exposed to integer- and fractional-order discontinuous externalmagnetic flux
Karthikeyan RAJAGOPAL, Fahimeh NAZARIMEHR, Anitha KARTHIKEYAN, Ahmed ALSAEDI, Tasawar HAYAT, Viet-Thanh PHAM
Journal Article
Chaotic digital cryptosystem using serial peripheral interface protocol and its dsPIC implementation
Rodrigo MÉNDEZ-RAMÍREZ, Adrian ARELLANO-DELGADO, César CRUZ-HERNÁNDEZ, Fausto ABUNDIZ-PÉREZ, Rigoberto MARTÍNEZ-CLARK
Journal Article
Pulse Transiently Chaotic Neural Network for Nonlinear Constrained Optimization
Li Ying,Cao Hongzhao,Hu Yunchang,Shang Xiuming
Journal Article
Bio-inspired cryptosystem on the reciprocal domain: DNA strands mutate to secure health data
S. Aashiq Banu, Rengarajan Amirtharajan,aashiqbanu@sastra.ac.in,amir@ece.sastra.edu
Journal Article
NEHASH: high-concurrency extendible hashing for non-volatile memory
Qiankun WANG, Xingchen LI, Bingzhe WU, Ke YANG, Wei HU, Guangyu SUN, Yuchao YANG,gsun@pku.edu.cn
Journal Article