Polyphase PM Brushless DC Motor for High Reliability Application
Why this work is in the frame
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Bibliographic record
Abstract
This paper presents a comparative analysis of the fault tolerance of polyphase motors. Since each phase generates a smaller part of the total torque than in the case of a three-phase machine, it is easier to improve the fault tolerance with a polyphase motor. An open phase, a short-circuited phase and an inverter transistor fault are the typical faults which are considered. The current compensation of the torque ripple under fault condition for a five and seven phase machine are determined. The design of the machine must be also adapted to improve the fault tolerance. Different suitable 7-phase and 5-phase machine designs with concentrated windings are presented. A simplified control system using only one Hall effect sensor per phase is described. An 7-phase experimental setup validates the results obtained in the case of open and short-circuited phase faults.
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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