Publication

Multi-objective identification of a metal hydride tank lumped parameter model

Journal Article (2025)

Journal

Journal of Energy Storage

Volume

139

Number

118759

Doc link

https://doi.org/10.1016/j.est.2025.118759

File

Download the digital copy of the doc pdf document

Abstract

In this paper, a third-order state–space model of the metal hydride tank is formulated and analysed. Before the identification of the unknown parameters of the model, we first analysed their identifiability, i.e., whether we can obtain a unique unknown parameter vector from the available information. Secondly, due to the large number of unknown parameters in the proposed model, the identification of all the unknown parameters requires huge computational costs. In order to reduce the number of unknown parameters that need to be identified, we performed a sensitivity analysis of unknown parameters for the developed model. Finally, since the model has two outputs, we performed single-objective and multi-objective identification on the same experimental data, and the results show that multi-objective identification is more effective.

Categories

control theory.

Author keywords

Metal hydride tanks, Mathematical model, Identifiability analysis, Sensitivity analysis, Multi-objective optimization

Scientific reference

M. Chen, C. Batlle, B. Escachx, R. Costa and J. Na. Multi-objective identification of a metal hydride tank lumped parameter model. Journal of Energy Storage, 139(118759), 2025.