Design and Implementation of a High-Performance PMLSM Drives Using DSP Chip
Ying-Shieh Kung
Southern Taiwan Univ., Tainan;
This paper appears in: Industrial Electronics, IEEE Transactions on
Publication Date: March 2008
Volume: 55,
Issue: 3
On page(s): 1341-1351
ISSN: 0278-0046
INSPEC Accession Number: 9897244
Digital Object Identifier: 10.1109/TIE.2007.909736
Current Version Published: 2008-03-03
Abstract
This paper presents a digital signal processor (DSP)-based high-performance controller for use in permanent magnet linear synchronous motor (PMLSM) drives. The PMLSM is mathematically modeled and the vector control scheme is used in the current loop of a PMLSM drive. Then, to increase the drive's performance, an adaptive fuzzy controller constructed by a fuzzy basis function and a parameter-adjustable mechanism is derived and applied to the position loop of the PMLSM drive to cope with the dynamic uncertainty and external load effect. Finally, a TMS320F2812 DSP chip produced by Texas Instruments is employed to implement the controller. The new-generation TMS320F2812 exhibits fast computation (150 MIPS) and a completely integrated motor peripheral circuit. Therefore, a fully digital controller for PMLSM drives, in which the current vector control scheme, space vector pulse width modulation generation, A/D conversion, coordinate transformation, quadrature encoder pulse detection, adaptive fuzzy controller, and point-to-point motion controller can be realized within a single DSP chip. An experimental system is established using a PMLSM, a DSP control board, an inverter, a rectifier, and other elements to verify the effectiveness of the proposed high-performance control system. Some experimental results are confirmed theoretically.
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