Lebesgue-Approximation Model Predictive Control of Nonlinear Sampled-Data Systems
Lebesgue-Approximation Model Predictive Control of Nonlinear Sampled-Data Systems
复制标题
非线性采样数据系统的勒贝格近似模型预测控制
DOI:
10.1109/tac.2019.2953147
复制
发表时间:
2020-10
影响因子:
6.8
通讯作者:
Hongye Su
中科院分区:
文献类型:
--
作者:
Jie Tao;Lixing Yang;Zheng-Guang Wu;Xiaofeng Wang;Hongye Su
This article studies discrete-time implementation of model predictive control (MPC) algorithms in continuous-time nonlinear sampled-data systems. We present a discrete-time and aperiodic nonlinear MPC algorithm to stabilize continuous-time nonlinear dynamics, based on the Lebesgue approximation model (LAM). In this LAM-based MPC (LAMPC), the sampling instants are triggered by a self-triggered scheme, and the predicted states and transition time instants in the optimal control problem are calculated in an aperiodic manner subject to the LAM. Sufficient conditions are derived on feasibility and stability of the resulting closed-loop systems. According to these conditions, the parameters in LAMPC are designed with the guarantee of exclusion of Zeno behavior. Meanwhile, it is shown that the periodic task model is a special case in our framework with appropriate choice of the parameters in the LAM.
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