MTPA fitting and torque estimation technique based on a new flux-linkage model for interior permanent magnet synchronous machines
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Bibliographic record
Abstract
Due to the nonlinearity of the flux-linkage profiles of the interior permanent magnet synchronous machine (IPMSM), the conventional motor model cannot be used for both maximum torque per ampere (MTPA) control and torque estimation. This paper proposes a nonlinear flux-linkage model for IPMSM with eight coefficients to fit the real d-axis flux-linkage, q-axis flux-linkage, MTPA, and torque. The corresponding torque equation and MTPA condition are presented. The factors in the proposed model can be obtained by solving an optimization problem with the limited information from the machine instead of the measurement throughout the map. The comparison of the characteristics between the proposed algorithm and FEA data is illustrated.
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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