Aspproximating Model Predictive Controller With Biased ReLU Neural Network
Aspproximating Model Predictive Controller With Biased ReLU Neural Network
复制标题
利用偏置 ReLU 神经网络逼近模型预测控制器
DOI:
10.1109/cac51589.2020.9326497
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发表时间:
2020-11
期刊:
影响因子:
--
通讯作者:
Jun Xu
中科院分区:
文献类型:
--
作者:
Kai Wang;Xinglong Liang;Jun Xu
It is a popular research area to use neural network to approximate the designed MPC controller to control the system with reduced computational burden while maintaining stability and constraint satisfaction. A new strategy called constraints tightening is used on the MPC controller to ensure robustness to input disturbance within given bound in order that the constraints satisfaction and recursive feasibility can be achieved. Training a neural network is usually time-consuming especially when the activation function is nonlinear, which leads the implementation unpratical. To reduce the time for training we use a biased ReLU neural network to approximate the controller. The performance of the biased ReLU neural network and fully connected neural network in approximating the MPC controller is compared. The training time for the biased ReLU neural network is much shorter while achieving the similar level of accuracy.
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