Bagher Karimi

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Space and place are among the fundamental concepts in architecture about which many discussions have been held and the complexity and importance of these concepts were focused on. This research has introduced an approach to better cognition of the architectural concepts based on theory and method of semiology in linguistics. Hence, at first the research(More)
This paper presents a decentralized adaptive controller for a class of large-scale nonlinear systems with unknown subsystems. A direct adaptive controller is devised based on Lyapunov stability analysis so that the stability of the closed loop system is guaranteed by introducing a suitably driven adaptive rule. To show the effectiveness of the proposed(More)
This paper first introduces a nonlinear robust controller for maglev systems. This controller which employs mainly sliding mode concepts ensures global stability of the closed-loop system. A theorem has been established in the paper to prove the overall system stability. To show how good the proposed controller is we apply it to the maglev system.(More)
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