A4 Vertaisarvioitu artikkeli konferenssijulkaisussa

Computationally Lightweight Method for Campbell Diagram Plotting in High-Speed Electric Machines




TekijätKurvinen, Emil; Khadim, Qasim; Ikäheimo, Eero; Choudhury, Tuhin; Jastrzebski, Rafal

ToimittajaN/A

Konferenssin vakiintunut nimiTurbo Expo: Turbomachinery Technical Conference and Exposition

KustantajaAMER SOC MECHANICAL ENGINEERS

KustannuspaikkaNEW YORK

Julkaisuvuosi2024

Kokoomateoksen nimiProceedings of the ASME Turbo Expo 2024: Turbomachinery Technical Conference and Exposition. Volume 10B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration

Artikkelin numeroV10BT26A015

Sivujen määrä6

ISBN978-0-7918-8803-2

DOIhttps://doi.org/10.1115/GT2024-127941

Verkko-osoitehttps://doi.org/10.1115/GT2024-127941

Rinnakkaistallenteen osoitehttps://research.utu.fi/converis/portal/detail/Publication/458903439


Tiivistelmä
Campbell diagram is plotted from calculation results to identify a rotating object's critical speeds. The Campbell diagram is formed by calculating the supported natural frequencies in a defined operation speed range. It is an important step when designing rotating machines, e.g., an integrated high-speed electric motor that can be sensitive to the rotor's dynamical behavior. Currently, minimizing unnecessary calculation points is important for rapid design iterations and utilization of physics-based models with artificial intelligence. In cases where large variants of rotor geometry or using high-fidelity models, the calculation burden becomes high. In the research, a methodology based on a minimum number of calculation points and a second-order fitting equation is proposed, i.e., instead of using a high number of fixed calculation intervals, a three-point calculation methodology is proposed. The proposed methodology can be applied with neural network-based methods or implemented with high-fidelity models such as solid element models where the physics-based models can be used to create sensitivity to model parameters and study their influence with the traditional rotordynamics Campbell diagram tool. In the results, a comparison of two case studies is shown, and the computational cost is compared.

Ladattava julkaisu

This is an electronic reprint of the original article.
This reprint may differ from the original in pagination and typographic detail. Please cite the original version.





Last updated on 2025-27-01 at 19:23