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Economics-Oriented NMPC of Two-Stage-Riser Catalytic Pyrolysis Processes for Maximizing Propylene Yield

机译：两阶段提升催化热解过程的经济导向型NMPC，可最大程度地提高丙烯收率

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Two-stage-riser fluidized catalytic pyrolysis for maximizing propylene yield (TMP) process focuses on propylene production meanwhile without significant losses on gasoline/diesel yields. The complex nonlinear behaviour of this process calls for advanced control system to tackle various disturbances to achieve optimal operation. This paper is devoted to presenting an economics-oriented NMPC scheme that could maximize propylene production while satisfying process operation constraints. In the proposed scheme, those variables, which are difficult to be measured online, including product yields as well as uncertain model parameters are estimated by an unscented transformation based Kalman filter. Potential economic benefits and robustness associated with the proposed controller scheme are illustrated through simulations.
机译：用于最大化丙烯收率（TMP）的两级流化催化热解工艺着重于丙烯的生产，同时对汽油/柴油的收率没有重大损失。此过程的复杂非线性行为要求先进的控制系统解决各种干扰，以实现最佳运行。本文致力于提出一种面向经济学的NMPC方案，该方案可以在满足工艺操作约束的同时最大化丙烯的产量。在提出的方案中，那些难以在线测量的变量，包括产品产量以及不确定的模型参数，都是通过基于无味变换的卡尔曼滤波器来估算的。通过仿真说明了与建议的控制器方案相关的潜在经济利益和稳健性。

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