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Application of conventional nonlinear model predictive control (NMPC) and economic nonlinear model predictive control (E-NMPC) for technical and economical optimization of biochemical reactor system

机译:常规非线性模型预测控制(NMPC)和经济非线性模型预测控制(E-NMPC)在生物化学反应器系统技术和经济优化中的应用

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This paper studies the application of Economic Nonlinear Model Predictive Control (ENMPC) and conventional NMPC to a biochemical reactor system with variation in reaction kinetics and disturbance values. The controlled variable for this study is the biomass concentration of the outlet stream leaving the reactor. To control it, conventional NMPC scheme which minimizes the controlled variable deviation to a desired set point and ENMPC scheme which optimizes the biomass production of the system are simulated against disturbance in reactor feed substrate concentration. Result shows that the conventional NMPC schemes are able to bring or maintain the controlled variable to a desired set point. However, the ENMPC scheme outperform the conventional NMPC in cumulative biomass production along the simulation period of up to 57% at the cost of higher computational time.
机译:本文研究了经济非线性模型预测控制(ENMPC)和常规NMPC对生物化学反应器系统的应用,具有反应动力学和干扰值的变化。 本研究的受控变量是离开反应器的出口流的生物质浓度。 为了控制它,常规NMPC方案最小化对所需设定点和优化系统生物质产生的所需设定点和enmpc方案的偏离的方案在反应堆进料衬底浓度中的干扰模拟了优化系统的生物量产生。 结果表明,传统的NMPC方案能够将受控变量带到所需的设定点。 然而,ENMPC方案沿着较高计算时间的成本沿着仿真时间沿累积生物质生产中的累积生物量产生的常规NMPC。

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