https://scholars.lib.ntu.edu.tw/handle/123456789/576207
Title: | Saliency-Based Permanent Magnet Machine Position Sensorless Drive Using Proposed PWM Injection and Shunt-Based Current Sensing for Position Estimation | Authors: | Chen J.-Y Yang S.-C. SHIH-CHIN YANG |
Keywords: | Electric machinery; Frequency estimation; Permanent magnets; Resistors; Switching frequency; Vector spaces; Experimental verification; Hall-effect sensors; Noise free position; Permanent-magnet machine; Position estimation; Position sensorless; Pulsewidth-modulation voltages; Transient current; Pulse width modulation | Issue Date: | 2021 | Journal Volume: | 68 | Journal Issue: | 7 | Start page/Pages: | 5693-5703 | Source: | IEEE Transactions on Industrial Electronics | Abstract: | For saliency-based position sensorless drives, the switching frequency pulsewidth modulation (PWM) voltage injection can achieve noise-free position estimation which is suited for high-performance motion systems. However, considering the switching frequency injection, multiple phase currents should be sampled per PWM cycle instead of single average current. It leads to the implementation issue on the space-vector PWM (SVPWM) inverter using shunt resistor current sensing for machine control. In this article, a modified PWM injection instead of SVPWM injection is proposed for the saliency-based drive using shunt current sensing. It is concluded that at least two transient currents can be sampled per PWM cycle based on the proposed PWM control. More importantly, the field-oriented control is maintained when the saliency-based drive is applied. A 2 kW permanent magnet (PM) machine is used for the experimental verification. This article includes the position estimation comparison using either the proposed PWM injection with shunt resistors or standard SVPWM with Hall-effect sensors. ? 1982-2012 IEEE. |
URI: | https://www.scopus.com/inward/record.uri?eid=2-s2.0-85103422031&doi=10.1109%2fTIE.2020.3000088&partnerID=40&md5=fe1079334f635a988deaa542d55cf9ed https://scholars.lib.ntu.edu.tw/handle/123456789/576207 |
ISSN: | 2780046 | DOI: | 10.1109/TIE.2020.3000088 |
Appears in Collections: | 機械工程學系 |
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