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Control of a Bioreactor with Quantized Measurements

机译:用定量测量控制生物反应器

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We consider the problem of global stabilization of an unstable bioreactor model (e.g. for anaerobic digestion), when the measurements are discrete and in finite number ("quantized"), with control of the dilution rate. The model is a differential system with two variables, and the output is the biomass growth. The measurements define regions in the state space, and they can be perfect or uncertain (i.e. without or with overlaps). We show that a quantized control may lead to global stabilization: trajectories have to follow some transitions between the regions, until the final region where they converge toward the reference equilibrium. On the boundary between regions, the solutions are defined as a Filippov differential inclusion.
机译:当测量是离散的并且是有限数量的(“量化的”)并且控制稀释率时,我们考虑不稳定的生物反应器模型的整体稳定性问题(例如用于厌氧消化)。该模型是具有两个变量的微分系统,输出是生物量的增长。这些测量定义了状态空间中的区域,它们可以是完美的或不确定的(即无重叠或重叠)。我们表明,量化控制可能会导致整体稳定:轨迹必须遵循区域之间的某些过渡,直到最终区域收敛到参考平衡为止。在区域之间的边界上,解被定义为Filippov微分包含。

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