Articles | Volume 15, issue 1
https://doi.org/10.5194/ms-15-99-2024
https://doi.org/10.5194/ms-15-99-2024
Research article
 | 
19 Feb 2024
Research article |  | 19 Feb 2024

Improved flux linkage observer for position estimation of permanent magnet synchronous linear motor

Wenbin Yu, Guolai Yang, Liqun Wang, Darui Lin, and Ahmed Al-Zahrani

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Short summary
In this paper, a sliding-mode observer is combined with the voltage model of the motor to construct a closed-loop estimation of the flux linkage so that the influence of external disturbances on the system can be compensated for by the algorithm itself. On the one hand, this improves the anti-interference ability of the system. On the other hand, it also makes the calculation of flux linkage more accurate under an inaccurate initial position.