Title :
Novel flux weakening control algorithm for PMSMS
Author :
Olarescu, N.V. ; Weinmann, M. ; Zeh, S. ; Musuroi, S.
Author_Institution :
Dept. of Electr. Drives, Diehl AKO Stiftung&Co. KG, Wangen
Abstract :
This paper proposes a novel algorithm to generate the optimum d- and q-axis current reference for the drive system of PMSMS (permanent magnet synchronous motor with sinusoidal excitation) in the entire flux weakening region and also to generate the limits of PI speed controller. The algorithm offers optimum torque capability for PMSMS despite significant changes in dc link voltage and machine parameters. This algorithm can be easy integrated in the field oriented control of PMSMS with or without mechanical sensors, but also in scalar control algorithm (without motor current measurement). The control identifies when the machine enters in the flux weakening region and adjust the d- and q-axis current reference according to the dc link voltage. The experimental results show that the proposed algorithm provides good steady state and dynamic performance.
Keywords :
machine control; permanent magnet motors; synchronous motors; velocity control; voltage control; PI speed controller; PMSMS; dc link voltage; flux weakening control algorithm; machine parameters; optimum torque capability; permanent magnet synchronous motor with sinusoidal excitation; Control systems; Current measurement; Dynamic voltage scaling; Mechanical sensors; Permanent magnet motors; Steady-state; Synchronous generators; Synchronous motors; Torque; Voltage control;
Conference_Titel :
Power Engineering, Energy and Electrical Drives, 2009. POWERENG '09. International Conference on
Conference_Location :
Lisbon
Print_ISBN :
978-1-4244-4611-7
Electronic_ISBN :
978-1-4244-2291-3
DOI :
10.1109/POWERENG.2009.4915216