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. 2024 Jan 5;10(2):e24181.
doi: 10.1016/j.heliyon.2024.e24181. eCollection 2024 Jan 30.

Improved super-twisting sliding mode control strategy in permanent magnet synchronous motors for hydrogen fuel cell centrifugal compressor

Li Dong  1 , Pei Jiang  2
Affiliations

Improved super-twisting sliding mode control strategy in permanent magnet synchronous motors for hydrogen fuel cell centrifugal compressor

Li Dong et al. Heliyon. .

Abstract

This paper rigorously addresses the intricate control demands of high-speed, high-pressure, wide adjustable speed range, and high energy utilization efficiency required in hydrogen fuel cell centrifugal compressor, with a focus on the speed control of 40,000 RPM permanent magnet synchronous motors (PMSMs). An improved second-order super twisting sliding mode control (STSMC) strategy is proposed to enhance system stability and robustness by integrating the beetle antennae search (BAS) algorithm and grey wolf optimization (GWO) algorithm. The global search capability of BAS is used to improve the local optima issues of GWO, and then the improved GWO algorithm is utilized to address the issues related to parameter selection and convergence speed inherent in the STSMC. Theoretical validity of the proposed strategy is asserted through Quadratic Lyapunov Function, and its practicality is affirmed by thorough simulation. Comparative analyses are conducted with PI controller, traditional Sliding Mode Controller (SMC), and standard Super-Twisting Sliding Mode Controller (ST) under several case studies to show the superiority of the propose STSMC.

Keywords: Hydrogen fuel cell; Permanent magnet synchronous motor; Sliding mode control; Super-twisting algorithm.

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Conflict of interest statement

The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

Figures

Fig. 1
Fig. 1
Control block diagram of PMSM based on STSMC.
Fig. 2
Fig. 2
Block diagram of PMSM speed controller based on improved STSMC.
Fig. 3
Fig. 3
PMSM model build in Matlab/Simulink.
Fig. 4
Fig. 4
Simulation results for case 1.
Fig. 5
Fig. 5
Simulation results for case 2.
Fig. 6
Fig. 6
Simulation results for case 3.
Fig. 7
Fig. 7
Simulation results for case 4.
See this image and copyright information in PMC

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