Networked control of distributed energy systems

3380 19 20028 6 38405 document 20028 Khalil12PhD.pdf application/pdf 600ff71e453b3695864328b1d2ab23aa MD5 2246138 2012-06-11 09:00:47 http://etheses.bham.ac.uk//id/eprint/3380/1/Khalil12PhD.pdf 3380 1 1 application/pdf application/pdf en public

Khalil12PhD.pdf

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http://eprints.org/relation/isVersionOf http://etheses.bham.ac.uk/id/document/20028 http://eprints.org/relation/isVolatileVersionOf http://etheses.bham.ac.uk/id/document/20028 http://eprints.org/relation/isIndexCodesVersionOf http://etheses.bham.ac.uk/id/document/20028 archive 4031 disk0/00/00/33/80 2012-06-11 09:44:26 2019-01-23 09:56:09 2012-06-11 09:44:25 thesis show 0 Khalil Ashraf F. Wang Jihong ftp://ubira.bham.ac.uk/eTheses/3380_Khalil/ University of Birmingham Networked control of distributed energy systems unpub QA75 T1 TK 10col_ephy This thesis reports a new method for stability analysis and maximum time delay estimation in networked control systems with applications to distributed energy systems. The proposed new method is based on using finite difference approximation for the delay term and then the Lyapunov system stability theorem is applied to derive the time delay boundary allowed to the system. The proposed method has been applied to networked control systems with state feedback controllers, with dynamic controllers, and to multi-units interconnected networked control systems. The proposed method is then extended to a class of networked control system with bounded nonlinearity and uncertainties. It is found that increasing the nonlinearity in the system will result in decreasing the maximum allowable time delay. Compared with most of the methods reported in the published literature, the new method is simple to use while the results are comparable. When the time delay is modelled using Markov Chain the stability of the networked control system is formulated as finding the solutions for Bilinear Matrix Inequalities. An improved V-K iteration algorithm is used to solve the Bilinear Matrix Inequalities in order to derive a controller to stabilize the systems. 2012-07 2012-02 graduation eng author unchecked This unpublished thesis/dissertation is copyright of the author and/or third parties. The intellectual property rights of the author or third parties in respect of this work are as defined by The Copyright Designs and Patents Act 1988 or as modified by any successor legislation. Any use made of information contained in this thesis/dissertation must be in accordance with that legislation and must be properly acknowledged. Further distribution or reproduction in any format is prohibited without the permission of the copyright holder. Ministry of Higher Education and Scientific Research, Libya public 250 University of Birmingham School of Engineering, Department of Electronic, Electrical and Systems Engineering d_ph other 2012-07 graduation