Investigation of a Practical Convex-Optimization-Based Sensorless Scheme for IPMSM Drives
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Bibliographic record
Abstract
This paper presents a practical convex-optimization-based sensorless scheme for interior permanent magnet synchronous motor (IPMSM) drives. The proposed sensorless scheme simplifies the optimization process that employs only one variable as compared with two variables in the existing optimization-based methods. The reduction in variables substantially reduces the computational burden in the proposed scheme and, hence, is suitable for practical applications. Additionally, the proposed algorithm is able to estimate the rotor position regardless of the pattern of the high-frequency (HF) injected signal under low-speed conditions. This characteristic has been investigated in this paper where three typical HF injection patterns are compared. The performance of the proposed scheme is experimentally validated.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it