Experimental Characterization and Finite Element Correlation of Rotor Stress\Strain for a High-Speed Permanent Magnet Synchronous Machine
Bibliographic record
Abstract
A higher machine speed is an enabling factor in achieving a higher power density. However, higher speed poses a challenge to the structural integrity of the rotor, as the centrifugal force acting on the rotor increases quadratically with speed. This high stress may lead to failure in the rotor ribs and bridges of an Interior Permanent Magnet Synchronous Machine (IPMSM). This paper presents a high-speed rotor strain measurement experimental setup that uses strain gauges and a telemetry system to measure strain at critical locations of the IPMSM rotor up to 18,000 rpm. Strain measurements are conducted at both room and high temperature to emulate the operating conditions of a high-speed machine. The measured strain is then correlated with the results of the finite element analysis strain to evaluate the fidelity of the rotor stress model. Also, the effect of anisotropic mechanical properties of electric steel on rotor strain is investigated.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.001 |
| 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 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.001 | 0.000 |
| Insufficient payload (model declined to judge) | 0.002 | 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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".