An Improved Saliency-based Sensorless Drive with Single Current Sensor using Current Prediction Method for Permanent-magnet Synchronous Motors
- Title
- An Improved Saliency-based Sensorless Drive with Single Current Sensor using Current Prediction Method for Permanent-magnet Synchronous Motors
- Author
- 김래영
- Keywords
- Current prediction; high frequency signal injection; IPM machine; reconstruction error; sensorless control; single current sensor system
- Issue Date
- 2016-10
- Publisher
- IEEE
- Citation
- 2016 IEEE Vehicle Power and Propulsion Conference (VPPC), Page. 1-7
- Abstract
- This paper presents the improvement of a low cost saliency-based sensorless drive with a single dc-link current sensor for interior permanent-magnet synchronous machines. The phase currents, reconstructed by the single dc-link current sensor, usually suffer from a significant reconstruction error. This paper analyzes this reconstruction error, especially when applying sensorless drive technique based on a high frequency voltage signal injection. Based on this analysis, an improved current prediction method is proposed to reduce the reconstruction error, where the d-q axes currents are accurately estimated under even zero voltage vector status. Several experimental results under a saliency-based sensorless drive are provided to verify the improvement of the proposed current prediction method.
- URI
- https://ieeexplore.ieee.org/document/7791609?arnumber=7791609&SID=EBSCO:edseeehttps://repository.hanyang.ac.kr/handle/20.500.11754/81351
- ISBN
- 978-1-5090-3528-1
- DOI
- 10.1109/VPPC.2016.7791609
- Appears in Collections:
- COLLEGE OF ENGINEERING[S](공과대학) > ELECTRICAL AND BIOMEDICAL ENGINEERING(전기·생체공학부) > Articles
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