Variable-Parameter Field-Oriented Control for Interior-Permanent Magnet Synchronous Machine Drives
Why this work is in the frame
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Bibliographic record
Abstract
Interior permanent magnet synchronous machines (IPMSMs) are becoming widely considered in many applications, including appliances, manufacturing machinery, medical equipment, military equipment, propulsion systems, servo systems, etc. In IPMSMs, the flux linkage may vary significantly depending on the design and operating conditions, and their accurate modeling and control are essential. Look-up tables (LUTs) may be used to represent the flux-current relationship, which inherits the magnetic-flux saturation and cross-coupling characteristics. This paper presented a variable-parameter (inductance) field-oriented control (FOC) strategy with a feedforward speed loop for IPMSM drives, wherein the LUTs are used to represent the current-flux relationship and update the gains of the PI controllers for better decoupling between the q- and d-axes currents. The simulation studies demonstrate the proposed methodology of the variable-parameter FOC for IPMSMs in the unsaturated and saturated regions and its advantages over the conventional FOC algorithm.
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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