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RSS FeedsEnergies, Vol. 13, Pages 1716: GPIO-Based Nonlinear Predictive Control for Flux-Weakening Current Control of the IPMSM Servo System (Energies)

 
 

4 april 2020 17:00:18

 
Energies, Vol. 13, Pages 1716: GPIO-Based Nonlinear Predictive Control for Flux-Weakening Current Control of the IPMSM Servo System (Energies)
 


This paper proposes a generalized proportional integral observer (GPIO) based nonlinear predictive control (NPC) for an interior permanent magnet synchronous motor (IPMSM) to improve the flux-weakening (FW) current control performance against the complex nonlinear cross-coupling terms and the IPMSM parameters’ variations. First, the IPMSM is remodeled to further analyze the FW control difficulties caused by such cross-coupling terms and parameters variations. Considering the parameters’ variations as a kind of disturbance, a GPIO is then designed to compensate for such disturbance. A GPIO-based NPC is finally designed to handle the nonlinear cross-coupling terms to obtain an optimized current control performance. Experiments on a digital signal processor (DSP) based IPMSM servo system validate the workability of the proposed control scheme.


 
24 viewsCategory: Biophysics, Biotechnology, Physics
 
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