Referenced Items are not available for this document.
Generally, there exists a voltage distortion or nonlinear voltage gain between the reference and output voltages in a pulsewidth-modulation (PWM) voltage source inverter (VSI). Nonlinearity varies with operating conditions, such as the temperature, direct current (dc) bus voltage, and phase current level. Also, the nonlinearity affects the machine current distortion, torque pulsations, and degradation of control performance. In this paper, the nonlinearity in a PWM VSI is analyzed and a new online estimation method based on the model reference adaptive system is proposed to compensate the time varying voltage distortion, considering the parameter uncertainty caused by the temperature variation for a permanent magnet synchronous motor. The simulation and experimental results show the effectiveness of the proposed voltage difference estimator.
Published in:
Control Systems Technology, IEEE Transactions on
(Volume:14
,
Issue:
4
)
Date of Publication: July 2006
- Page(s):
- 589 - 601
- ISSN :
- 1063-6536
- INSPEC Accession Number:
- 8976403
- Digital Object Identifier :
- 10.1109/TCST.2006.876622
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 26 June 2006
- Issue Date :
- July 2006
- Sponsored by :
- IEEE Control Systems Society
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