Kernel-Based State-Space Kriging for Predictive Control

doi:10.1109/JAS.2023.123459

2023-05-01

A. Daniel Carnerero *

D.R. Ramı́rez

Daniel Limón

Teodoro Álamo

DOI：10.1109/JAS.2023.123459

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摘要

En 中文

In this paper, we extend the state-space kriging (SSK) modeling technique presented in a previous work by the authors in order to consider non-autonomous systems. SSK is a data-driven method that computes predictions as linear combinations of past outputs. To model the nonlinear dynamics of the system, we propose the kernel-based state-space kriging (K-SSK), a new version of the SSK where kernel functions are used instead of resorting to considerations about the locality of the data. Also, a Kalman filter can be used to improve the predictions at each time step in the case of noisy measurements. A constrained tracking nonlinear model predictive control (NMPC) scheme using the black-box input-output model obtained by means of the K-SSK prediction method is proposed. Finally, a simulation example and a real experiment are provided in order to assess the performance of the proposed controller.

Keyword:

Computational modeling

Predictive models

Time measurement

Real-time systems

Temperature control

Nonlinear dynamical systems

Noise measurement

Data-driven methods

model identification

Kernel methods

predictive control