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Decentralized adaptive controller design for large-scale systems with higher order interconnections

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2 Author(s)
Shi, Lin ; Thayer Sch. of Eng., Dartmouth Coll., Hanover, NH, USA ; Singh, Sunil K.

Decentralized robust adaptive controller designs for large-scale interconnected systems are investigated. Motivated by real mechanical systems, the authors consider a general representation of interconnections when the strength of the interconnections is bounded by a pth-order polynomial in states. This is in contrast to other studies which have made simpler assumptions about the strength of the interconnections. The authors investigate several scenarios as the control computations become more distributed until the controllers are completely decentralized. The possible bound of the interconnections is assumed to be known for the decentralized semiadaptive controller. Without the knowledge of these bounds, two adaptive controllers are designed: a decentralized adaptive controller with partially centralized compensation and a fully adaptive decentralized controller

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Automatic Control, IEEE Transactions on  (Volume:37 ,  Issue: 8 )