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Feedforward control for SPMSM with final-state control based on voltage limit circle with transient term

By: Miyajima, T.; Fujitsuna, M.; Fujimoto, H.;

2011 / IEEE / 978-1-4577-0541-0

Description

This item was taken from the IEEE Conference ' Feedforward control for SPMSM with final-state control based on voltage limit circle with transient term ' SPMSMs (Surface Permanent Magnet Synchronous Motors) are employed for many industrial applications. SPMSM drive systems should achieve quick torque response and wide operating range. For quick current response, authors proposed final-state control considering voltage limit. Final-state control drives an initial state to a final state with feedforward input during finite time. The proposed method achieved quick current control in field-weakening region but inverse response of q-axis current was caused. In this paper, a new feedforward control method which improves current response is proposed. Simulations and experiments are performed to compare two types of feedforward control method. In addition, current response under voltage limit is analyzed by the voltage limit circle of SPMSM with transient term.