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   Robust Control of A High-Purity Distillation Column Using Μ-Synthesis  
نویسنده Razzaghi K. ,Shahraki F.
منبع Iranian Journal Of Chemical Engineering - 2006 - دوره : 3 - شماره : 2 - صفحه:20 -32
چکیده    Distillation control is a challenging undertaking given the inherent nonlinearity of the process, severe coupling present for dual-composition control and the sensitivity of disturbances. among various distillation operations, management of the high-purity column poses a difficult control situation due to a number of characteristics of these systems, including strong directionality, ill-conditioning and strongly nonlinear behaviour. in this paper, a diagonal pid controller is designed and analysed for ahigh-purity distillation column by computing the structured singular value μ introduced by doyle (1982). for this purpose, a structured uncertainty model has been developed which describes the dynamics of the column for the entire operating range. the achievable manageable performance is also defined in terms of the hf-norm of the weighted sensitivity function.
کلیدواژه High-Purity Distillation ,Ill-Conditioned Plant ,Model Uncertainty ,Μ-Synthesis
آدرس University Of Sistan And Baluchestan, Department Of Chemical Engineering, ایران, University Of Sistan And Baluchestan, Department Of Chemical Engineering, ایران
پست الکترونیکی fshahraki@hamoon.usb.ac.ir

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