Industrial, large-scale model predictive control with structured neural networks
Industrial, large-scale model predictive control with structured neural networks
复制标题
使用结构化神经网络进行工业大规模模型预测控制
DOI:
10.1016/j.compchemeng.2021.107291
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发表时间:
2021
影响因子:
4.3
通讯作者:
Wright, Stephen J.
中科院分区:
文献类型:
--
作者:
Kumar, Pratyush;Rawlings, James B.;Wright, Stephen J.
The design of neural networks (NNs) is presented for treating large, linear model predictive control (MPC) applications that are out of reach with available quadratic programming (QP) solvers. First, we introduce a new feedforward network architecture that enables practitioners to obtain offset-free closed-loop performance with NNs. Second, we discuss the data generation procedure to sample the state space relevant to training the NNs based on anticipated online setpoint changes and plant disturbances. Third, we use the input-to-state stability results available in the MPC literature and establish robustness properties of NN controllers. Finally, we present illustrative simulation studies on process control examples. We apply the NN design approach and compare the performance with online QP based MPC on an industrial crude distillation unit model with 252 states, 32 control inputs, and a control-sample horizon length of 140. Parallel computing is used for data generation and graphical processing units are used for network training. Anticipated plant operational scenarios with setpoints and disturbances that may change during operation must be sampled for NN training. After the offline design phase, NNs execute MPC three to five orders of magnitude faster than an available QP solver with less than 1% loss in the closed-loop performance.
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影响因子:
3.9
作者:
B. Karg;T. Alamo;S. Lucia
通讯作者:
B. Karg;T. Alamo;S. Lucia
影响因子:
3
作者:
J. Paulson;A. Mesbah
通讯作者:
A. Mesbah
DOI:
--
发表时间:
2018
期刊:
Handbook of Model Predictive Control
影响因子:
--
作者:
Stephen J. Wright
通讯作者:
Stephen J. Wright
DOI:
10.1073/pnas.1903070116
发表时间:
2019-08-06
影响因子:
11.1
作者:
Belkin, Mikhail;Hsu, Daniel;Mandal, Soumik
通讯作者:
Mandal, Soumik