Relevant bibliographies by topics / Synchronizing scheme

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Synchronizing scheme'

Author: Grafiati
Published: 4 June 2021
Last updated: 16 February 2022

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Journal articles on the topic "Synchronizing scheme"

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WAH WU, CHAI, GUO-QUN ZHONG, and LEON O. CHUA. "SYNCHRONIZING NONAUTONOMOUS CHAOTIC SYSTEMS WITHOUT PHASE-LOCKING." Journal of Circuits, Systems and Computers 06, no. 03 (June 1996): 227–41. http://dx.doi.org/10.1142/s0218126696000182.

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Pecora and Carroll1 have shown how two nonautonomous chaotic circuits driven by periodic forcing can be synchronized using the master-slave driving principle. However, in their scheme, the periodic forcing in both circuits needs to be phase-locked through some additional circuitry for the system to synchronize. In this paper, we show two ways in which this can be avoided. In the first scheme, the two circuits are connected in a master-slave driving configuration and the periodic forcing is included in the driving signal such that it eliminates the need for the slave circuit to have an external periodic forcing signal. In addition, we can recover the periodic forcing signal at the slave circuit. In the second scheme, the two circuits are connected in a mutual coupling configuration. The two circuits will synchronize regardless of what the periodic forcing signals of the two circuits are. In particular, the two periodic forcing signals could have different phases, different frequencies, or different shapes. We discuss two interpretations of these synchronization schemes. First, we consider them as communication systems when the periodic forcing signal is replaced by a properly encoded information signal. We illustrate this in a physical circuit implementation. Second, we consider them as synchronization schemes for nonidentical systems by considering the external forcing signal as an error signal due to the difference between the two systems.
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Guo, Jie, David Zhang, and Peng-fei Shi. "Self-synchronizing watermarking scheme for an arbitrarily shaped object." Pattern Recognition 36, no. 11 (November 2003): 2737–41. http://dx.doi.org/10.1016/s0031-3203(03)00048-7.

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Liu, Tao, Avishai (Avi) Ceder, Jihui Ma, and Wei Guan. "Synchronizing Public Transport Transfers by Using Intervehicle Communication Scheme." Transportation Research Record: Journal of the Transportation Research Board 2417, no. 1 (January 2014): 78–91. http://dx.doi.org/10.3141/2417-09.

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Yeo, Sang-Soo, Dae-il Park, and Young-Ae Jung. "Enhanced ID-Based Authentication Scheme Using OTP in Smart Grid AMI Environment." Journal of Applied Mathematics 2014 (2014): 1–8. http://dx.doi.org/10.1155/2014/208424.

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This paper presents the vulnerabilities analyses of KL scheme which is an ID-based authentication scheme for AMI network attached SCADA in smart grid and proposes a security-enhanced authentication scheme which satisfies forward secrecy as well as security requirements introduced in KL scheme and also other existing schemes. The proposed scheme uses MDMS which is the supervising system located in an electrical company as a time-synchronizing server in order to synchronize smart devices at home and conducts authentication between smart meter and smart devices using a new secret value generated by an OTP generator every session. The proposed scheme has forward secrecy, so it increases overall security, but its communication and computation overhead reduce its performance slightly, comparing the existing schemes. Nonetheless, hardware specification and communication bandwidth of smart devices will have better conditions continuously, so the proposed scheme would be a good choice for secure AMI environment.
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Feng, Jianwen, Phillip Yam, Francis Austin, and Chen Xu. "Synchronizing the Noise-Perturbed Rössler Hyperchaotic System via Sliding Mode Control." Zeitschrift für Naturforschung A 66, no. 1-2 (February 1, 2011): 6–12. http://dx.doi.org/10.1515/zna-2011-1-202.

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This paper investigates the synchronization problem between two unidirectionally-coupled Rössler hyperchaotic systems in the presence of noise perturbations. Sufficient conditions are obtained for synchronization by using a particularly simple linear sliding mode surface that is based on the sliding mode control concept. Only one controller function is needed to achieve synchronization in our present approach which makes it much easier to implement in contrast to many other synchronization schemes that require two or more controllers. Numerical simulation results are also included to illustrate the superior features of this new scheme.
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ENDO, TETSURO, and LEON O. CHUA. "SYNCHRONIZING CHAOS FROM ELECTRONIC PHASE-LOCKED LOOPS." International Journal of Bifurcation and Chaos 01, no. 03 (September 1991): 701–10. http://dx.doi.org/10.1142/s0218127491000518.

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This note presents the first experimental demonstration that two similar phase-locked loops driven by a common chaotic signal derived from a master phase-locked loop can be synchronized under some suitably chosen but robust range of system parameters. Experimental observations are qualitatively consistent with both computer simulations, and with the recent synchronization criterion due to Pecora and Carrol. The robustness of this synchronization scheme suggests the intriguing possibility of using chaos as the scrambling codes for spread spectrum communications.
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Wang, Jin Feng, Zhen Feng Shi, Zhe Qu, and Shan Shan Li. "Research and Implementation of Oracle Database Synchronization Timing." Advanced Materials Research 989-994 (July 2014): 4917–19. http://dx.doi.org/10.4028/www.scientific.net/amr.989-994.4917.

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In the practical application of developmental internet, often synchronizing Oracle database tables, the establishment of a reliable remote database synchronization scheme is necessary. The paper uses the EXP/IMP logical backup tool of oracle, tuning of EXP/IMP, and combined with shell command, to implement a remote database synchronization scheme. In addition, this program implements the timing of the Oracle database synchronization.
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Jadoon, Rab, WuYang Zhou, Faizan Haq, Jawad Shafi, Iftikhar Khan, and Waqas Jadoon. "A Reliable Scheme for Synchronizing Multimedia Data Streams under Multicasting Environment." Applied Sciences 8, no. 4 (April 4, 2018): 556. http://dx.doi.org/10.3390/app8040556.

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dos Santos, R. V., and L. H. A. Monteiro. "A scheme for synchronizing clocks connected by a packet communication network." Communications in Nonlinear Science and Numerical Simulation 17, no. 7 (July 2012): 2722–27. http://dx.doi.org/10.1016/j.cnsns.2011.11.031.

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Legorreta, U. Uriostegui, E. S. Tututi Hernández, and G. Arroyo-Correa. "A new scheme of coupling and synchronizing low-dimensional dynamical systems." Revista Mexicana de Física 67, no. 2 Mar-Apr (July 15, 2021): 334–42. http://dx.doi.org/10.31349/revmexfis.67.334.

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A different manner of study synchronization between chaotic systems is presented. This is done by using two different forced coupled nonlinear circuits. The way of coupling the systems under study is different from those used in the analysis of chaos in dynamical systems of low dimensionality. The study of synchronization and how to manipulate it, is carried out through the variation of the couplings by calculating the bifurcation diagrams. We observed that for rather larger values of the coupling between the circuits it is reached total synchronization, while for small values of the coupling it is obtained, in the best of the cases, partial synchronization.
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Dissertations / Theses on the topic "Synchronizing scheme"

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Du, S., Wyk BJ Van, G. Qi, and C. Tu. "Chaotic system synchronization with an unknown master model using a hybrid HOD active control approach." Elsevier, 2009. http://encore.tut.ac.za/iii/cpro/DigitalItemViewPage.external?sp=1001363.

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a b s t r a c t In this paper, a hybrid method using active control and a High Order Differentiator (HOD) methodology is proposed to synchronize chaotic systems. Compared to some traditional active control methods, this new method can synchronize chaotic systems where only output states of the master system are available, i.e. the system is considered a black box. The HOD is used to estimate the derivative information of the master system followed by an active control methodology relying on HOD information. The Qi hyperchaotic system is used to verify the performance of this hybrid method. The proposed method is also compared to some traditional methods. Experimental results show that the proposed method has high synchronization precision and speed and is robust against uncertainties in the master system. The circus implements of the proposed synchronizing scheme are included in this paper. The simulation results show the feasibility of the proposed scheme.
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Book chapters on the topic "Synchronizing scheme"

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Shan, Liang, Zhong Liu, Fuhong Min, and Jun Li. "Synchronizing a New Hyperchaotic System via the Backstepping Scheme." In 2011 International Conference in Electrics, Communication and Automatic Control Proceedings, 977–84. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-8849-2_124.

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Dong, Qin. "A Novel Secure Pairwise and Groupwise Synchronizing Scheme in WSN." In Lecture Notes in Electrical Engineering, 289–96. London: Springer London, 2013. http://dx.doi.org/10.1007/978-1-4471-4853-1_38.

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Schmitz, Roland, Shujun Li, Christos Grecos, and Xinpeng Zhang. "Commutative Watermarking-Encryption of Multimedia Data Based on Histograms." In Intelligent Innovations in Multimedia Data Engineering and Management, 141–63. IGI Global, 2019. http://dx.doi.org/10.4018/978-1-5225-7107-0.ch006.

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Histogram-based watermarking schemes are invariant to pixel permutations and can thus be combined with permutation-based ciphers to form a commutative watermarking-encryption scheme. In this chapter, the authors demonstrate the feasibility of this approach for audio data and still image data. Typical histogram-based watermarking schemes based on comparison of histogram bins are prone to desynchronization attacks, where the whole histogram is shifted by a certain amount. These kind of attacks can be avoided by synchronizing the embedding and detection processes, using the mean of the histogram as a calibration point. The resulting watermarking scheme is resistant to three common types of shifts of the histogram, while the advantages of previous histogram-based schemes, especially commutativity of watermarking and permutation-based encryption, are preserved. The authors also report on the results of testing robustness of the still image watermark against JPEG and JPEG2000 compression and on the possibility of using histogram-based watermarks for authenticating the content of an image.
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Schmitz, Roland, Shujun Li, Christos Grecos, and Xinpeng Zhang. "Commutative Watermarking-Encryption of Multimedia Data Based on Histograms." In Research Anthology on Artificial Intelligence Applications in Security, 759–81. IGI Global, 2021. http://dx.doi.org/10.4018/978-1-7998-7705-9.ch035.

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Histogram-based watermarking schemes are invariant to pixel permutations and can thus be combined with permutation-based ciphers to form a commutative watermarking-encryption scheme. In this chapter, the authors demonstrate the feasibility of this approach for audio data and still image data. Typical histogram-based watermarking schemes based on comparison of histogram bins are prone to desynchronization attacks, where the whole histogram is shifted by a certain amount. These kind of attacks can be avoided by synchronizing the embedding and detection processes, using the mean of the histogram as a calibration point. The resulting watermarking scheme is resistant to three common types of shifts of the histogram, while the advantages of previous histogram-based schemes, especially commutativity of watermarking and permutation-based encryption, are preserved. The authors also report on the results of testing robustness of the still image watermark against JPEG and JPEG2000 compression and on the possibility of using histogram-based watermarks for authenticating the content of an image.
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Boubellouta, Amina. "Backstepping Control for Synchronizing Fractional-Order Chaotic Systems." In Advanced Synchronization Control and Bifurcation of Chaotic Fractional-Order Systems, 129–65. IGI Global, 2018. http://dx.doi.org/10.4018/978-1-5225-5418-9.ch005.

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In this chapter, one develops a fuzzy adaptive backstepping control-based projective synchronization scheme of a class of uncertain fractional-order nonlinear systems with unknown external disturbances. In each step, an uncertain nonlinear function is online modeled via a fuzzy logic system, and a virtual control term is determined based on the fractional Lyapunov stability. At the final step, a fuzzy adaptive control law ensuring the convergence of the projective synchronization error as well as the stability of the closed-loop control system is derived. Numerical simulations given at the end of this chapter confirm well the effectiveness of the proposed control method.
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Roopaei, M., M. J. Zolghadri, B. S. Ranjbar, S. H. Mousavi, H. Adloo, B. Zare, and T. C. Lin. "Chaotic Gyros Synchronization." In Chaos Synchronization and Cryptography for Secure Communications, 183–209. IGI Global, 2011. http://dx.doi.org/10.4018/978-1-61520-737-4.ch009.

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In this chapter, three methods for synchronizing of two chaotic gyros in the presence of uncertainties, external disturbances and dead-zone nonlinearity are studied. In the first method, there is dead-zone nonlinearity in the control input, which limits the performance of accurate control methods. The effects of this nonlinearity will be attenuated using a fuzzy parameter approximator integrated with sliding mode control method. In order to overcome the synchronization problem for a class of unknown nonlinear chaotic gyros a robust adaptive fuzzy sliding mode control scheme is proposed in the second method. In the last method, two different gyro systems have been considered and a fuzzy controller is proposed to eliminate chattering phenomena during the reaching phase of sliding mode control. Simulation results are also provided to illustrate the effectiveness of the proposed methods.
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Conference papers on the topic "Synchronizing scheme"

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Chee-Cheon Chui and R. A. Scholtz. "A synchronizing scheme for an impulse network." In MILCOM 2004. 2004 IEEE Military Communications Conference. IEEE, 2004. http://dx.doi.org/10.1109/milcom.2004.1494865.

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Guo, Yu, Fei Wang, and James Ting-Ho Lo. "A neural filter-based scheme for synchronizing chaotic systems." In 2017 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP). IEEE, 2017. http://dx.doi.org/10.1109/icassp.2017.7953041.

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Jihai, Duan. "A State Synchronizing and Detecting Scheme and Sync Performance Analysis on TH-UWB Communications." In 2006 International Conference on Communication Technology. IEEE, 2006. http://dx.doi.org/10.1109/icct.2006.341902.

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Porzi, Claudio, Sanghoon Chin, Andrea Trita, Francesco Fresi, Gianluca Berrettini, Gabor Mezosi, Paolo Ghelfi, et al. "All-Optical Self-Synchronizing Scheme for Contention Resolution in Asynchronous Optical Packet Switched Networks Using Continuously Tunable Optical Delay Line." In National Fiber Optic Engineers Conference. Washington, D.C.: OSA, 2011. http://dx.doi.org/10.1364/nfoec.2011.jwa046.

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Barratt, Carl. "On the Control of Chaos in Extended Structures." In ASME 1995 Design Engineering Technical Conferences collocated with the ASME 1995 15th International Computers in Engineering Conference and the ASME 1995 9th Annual Engineering Database Symposium. American Society of Mechanical Engineers, 1995. http://dx.doi.org/10.1115/detc1995-0330.

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Abstract A mechanism is proposed for synchronizing the vibrations of an externally forced array of Duffing oscillators with nearest-neighbor viscoelastic coupling. The parameters of the individual oscillators and the couplings are chosen such that, in the absence of control, the oscillators vibrate chaotically and incoherently. The proposed control scheme brings the elements into synchrony with each other in a few tens of cycles of the external forcing function. It is robust, maintaining the desired state in the presence of noise. It is general in that it works with any form of external forcing. A modification of the mechanism is used to control the forced chaotic vibrations of a single Duffing oscillator allowed to vibrate out of the vertical plane.
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Yang, Li-Farn, and Jeen-Gwo Tsao. "Adaptive Synchronization Control Design for High-Speed Magnetic Bearings." In ASME 1995 Design Engineering Technical Conferences collocated with the ASME 1995 15th International Computers in Engineering Conference and the ASME 1995 9th Annual Engineering Database Symposium. American Society of Mechanical Engineers, 1995. http://dx.doi.org/10.1115/detc1995-0504.

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Abstract The performance of actively controlled magnetic bearings is greatly degraded if subjected to unpredictable disturbances or system dynamic variations. This paper present an adaptive synchronization control on a magnetically suspended rotor system for disturbance rejection and plant variation compensation. The rotor system consists of a rotating disk mounted on a shaft which is actively positioned in the radial directions via two magnetic bearings at both ends. Under the synchronizing control, four displacements of shaft along bearing axes are coordinated such that the disturbed displacement can promptly be recovered with those undisturbed in a complementary way. Such motion synchronization requires strict regulation and adaptation through four local controllers with an adaptive feedforward control scheme. The local controllers can be linked by the coupling law, in which an error along one bearing axis can affect overall control loop of four axes. Two control algorithms are developed under the biaxial and quadaxial synchronization conditions, and their adaptation laws are optimized in an attempt to minimize the adaptation errors. Simulations of disturbance rejection responses will also be presented.
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Schlesinger, L., A. Bauer, W. Lehner, G. Ediberidze, and M. Gutzmann. "Efficiently synchronizing multidimensional schema data." In the 4th ACM international workshop. New York, New York, USA: ACM Press, 2001. http://dx.doi.org/10.1145/512236.512246.

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Sakagami, Takahide, and Shiro Kubo. "Development of Lock-In Infrared Thermography Techniques for Quantitative Nondestructive Evaluations." In ASME 2007 Pressure Vessels and Piping Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/pvp2007-26788.

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In this paper, lock-in thermography techniques for quantitative nondestructive evaluations developed by the present authors are reviewed. Self-reference lock-in thermography was developed for remote nondestructive testing of fatigue cracks. This technique is based on the measurement of thermoelastic temperature change due to stress change. Cracks can be identified from significant temperature change observed at crack tips due to the stress singularity. For accurate measurement of the thermoelastic temperature change under random loading, a self-reference lock-in data processing technique was developed, in which a reference signal was constructed by using the temperature data simultaneously taken at a remote area. Thermoelastic temperature change in a region of interest was correlated with that at the area for reference signal construction. It enabled us to measure the relative stress distribution under random loading without using any external loading signal. The self-reference lock-in thermography was applied for fatigue crack identification in welded steel plate specimens and actual steel structures. It was found that significant temperature change was observed at the crack tip in the self-reference lock-in thermal image, demonstrating the feasibility of the proposed technique. Lock-in thermography technique was also applied to quantitative nondestructive evaluation of material loss defects. Transient temperature data under pulse or step heating were measured by infrared thermography. Temperature data were processed by the lock-in analysis scheme based on the Fourier series expansion, in which Fourier coefficients synchronizing with sine and cosine waves were correlated with defect parameters. Experimental investigations were conducted using steel samples with artificial material loss defects. It was found that the defect parameters can be quantitatively determined from the Fourier coefficients, demonstrating the feasibility of the proposed technique.
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