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Synchronization of Nonlinear Drive and Response Systems Through Robust-Adaptive Feedback Control Techniques

Thesis Info

Access Option

External Link

Author

Siddique, Muhammad

Program

PhD

Institute

Pakistan Institute of Engineering and Applied Sciences

City

Islamabad

Province

Islamabad.

Country

Pakistan

Thesis Completing Year

2018

Thesis Completion Status

Completed

Subject

Computer Science

Language

English

Link

http://prr.hec.gov.pk/jspui/bitstream/123456789/10870/1/Muhammad_Siddique_Systems_Engineering_HSR_2018_PIEAS_01.10.2018.pdf

Added

2021-02-17 19:49:13

Modified

2024-03-24 20:25:49

ARI ID

1676727842608

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Synchronization of the nonlinear drive (master) and the response (slave) systems is explored by utilization of adaptive and robust-adaptive feedback control method ologies. The nonlinear drive and response systems with time delays, in their dynamics, under the influence of disturbances are synchronized. A step by step approach is carried out to achieve the solution of the nonlinear synchronization problem. Initially, coupled chaotic synchronous observer based synchronization scheme is developed. Afterwards, this scheme is improved and a coupled chaotic adaptive synchronous observer based synchronization is formulated. Subsequently, a delay-range-dependent robust-adaptive controller along with adaptation laws for unknown parameters for attaining the synchronization of nonlinear time delay sys tems is proposed. The main contribution of this research work is three fold: First, a novel approach for the design of coupled chaotic adaptive synchronous observers for the synchronization of nonlinear systems is presented to address the output feedback control. Second, a robust-adaptive control, catering the effect of distur bances and parametric variations, is explored. Third, a delay-range-dependent robust-adaptive synchronization control for delayed nonlinear drive and response systems is studied. It is worth mentioning that the output feedback based and delay-range-dependent robust-adaptive synchronization methods are scarcely ad dressed in the literature, to the best of our knowledge. Further, the use of low pass filters along with σ-modification for attaining robustness against disturbances is in vestigated. The effect of external disturbance is also catered by applying specially designed performance index, based on L2 gain reduction. Computer simulations to verify the effectiveness of the proposed methodologies are also provided.
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خون جگر ہونے تک

خون جگر ہونے تک
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