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In this study a numerical cryptanalysis of a random number generator (RNG) which is built on a continuous-time chaotic oscillator is introduced. In order to scrutinize the security weaknesses of the RNG, a master-slave synchronization approach is presented as the basis of an attack scheme. By proposing this attack scheme, it is aimed to verify whether there exist any possibility to divulge the hidden...
The approach of programmed trajectory motion control (PTMC) is proposed for stabilization of synchronous generators after short-circuit faults followed by islanding and for further synchronization of islanded system with the main grid. This approach is especially useful for small size synchronous machines connected to distribution grid. Integrated solution of both stabilization and synchronization...
In this work, numerical cryptanalysis of a random number generator (RNG) designed using a continuous time chaotic oscillator is presented. For the purpose of examining the vulnerabilities of the RNG, a master-slave synchronization approach was presented as a basis for an attack scheme. By suggesting this attack scheme, we intend to verify whether there is the possibility of revealing the secret information...
This paper proposes a definition of generalized stability (GST) for non-autonomous differential equation (NDE), which is an extension of generalized synchronization for NDE. Then, a constructive theorem for NDE is introduced. Based on the GST for NDE, this article constructs a novel 8-dimensional GST system. Numerical simulations show that the dynamic behaviors of the GST system have significant chaotic...
The paralleling of synchronous generators is one of the main and frequently implemented power system control tasks. The significant importance of automatic implementation of this task is determined by the need of fast and reliable restoration of an electrical power system (EPS) after emergencies. The value of this task has been dramatically increasing during the last years with the growth of the penetration...
Based on a generalized synchronization (GS) theorem of non-autonomous discrete chaotic systems, this paper introduces a 6-dimensional non-autonomous discrete chaotic GS system. Simulations show that the trajectories of the GS system have significant characteristics of chaotic attractor. Using the GS system designs a 216 number string chaotic pseudorandom number generator (CPRNG). SP-800 randomness...
This paper introduce a novel 3-dimensional discrete chaotic map. The calculated Lyapunov exponents of the map are 1.1638, 0.8946 and -0.2177. Numerical simulations show that the dynamic behaviors of the map have chaotic attractor characteristics. Based on the chaotic map and a chaos generalized synchronization (GS) theorem, a 6-dimensional chaotic GS system is constructed. Using the chaotic GS system...
In this paper, a novel 3-dimensional discrete chaotic map is introduced. The calculated Lyapunov exponents of the map are 0.0705, 0.0150 and -0.0743. Numerical simulations show that the dynamic behaviors of the chaotic map have chaotic attractor characteristics. Based on the chaotic map and a chaos generalized synchronization (GS) theorem, a 6-dimensional chaotic GS system is constructed. Using the...
Motion blending is an important techonology of character animation, which produces new motion by combining two or more motion clips according to blending parameters. But previous methods can hardly generate the convincing motion in real time , and require too much manual intervention and preprocessing. In this paper, we introduce a new time synchronization algorithm, which represents data based on...
Electronic system for measuring the initial velocity of a ball (dummy shell) when it goes out into the atmosphere as well as for setting the certain preselected time and start-up of a photographic camera (video camera) to photograph a ball in its trajectory for the purpose of its coordinates' determination have been described in the article. The system includes the optical pair (the emitter and the...
Abstract-based on a constructive theorem of generalized synchronization (GS) for discrete-time chaos system (DTCS), a GS DTCS is constructed via a Henon-like map. A new DTCS-based pseudorandom number generator (PNG) is introduced. The FIPS 140-2 randomness tests show that the PNG has good pseudo-randomness. Combining the DTCS and the PNG, an image encryption scheme with digital signature is established...
Based on the two-dimensional Arnold's cat map, and a generalized chaos synchronization (GCS) theorem, this paper presents a new six-dimensional discrete chaos map (6DCM) with GCS property. A chaos-based pseudorandom number generator (CPNG) is designed based on the 6DCM. We use the FIPA-140-2 tests issued by the National Institute of Standard and Technology to verify the random properties of the binary...
This paper addresses the problem of synchronization for complex dynamical networks with non-identical nodes. Neither an equilibrium for each node nor a synchronization manifold is assumed to exist. A criterion of global synchronization in the sense of boundedness of the maximum state deviation between nodes is proposed by introducing the average dynamics of all nodes. An explicit bound of the maximum...
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