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System identification and control using genetic algorithms

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2 Author(s)
K. Kristinsson ; Dept. of Electr. Eng., British Columbia Univ., Vancouver, BC, Canada ; G. A. Dumont

It is shown how genetic algorithms can be applied for system identification of both continuous and discrete time systems. It is shown that they are effective in both domains and are able to directly identify physical parameters or poles and zeros. This can be useful because changing one physical parameter might affect every parameter of a system transfer function. The estimates of poles and zeros are then used to design a discrete time pole placement adaptive controller. Simulations for minimum and nonminimum phase systems and a system with unmodeled dynamics are presented

Published in:

IEEE Transactions on Systems, Man, and Cybernetics  (Volume:22 ,  Issue: 5 )