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July 26, 2026Scientific ReportsOpen Access

Full‑speed sensorless control of HEAFSPMM using nonlinear adaptive flux observer, improved MRAS, and ADRC speed controller

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Authors

MMMohammed Jamal MohammedJRJavad Rahmani-FardARAli Mohammed Ridha

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Overview

Randomized trial explores low-noise sensorless control in hybrid machines, indicating improved performance and robustness.

Key Points

  • This research aims to develop a silent and efficient full-speed sensorless control strategy for HEAFSPMM.
  • Developed a nonlinear adaptive flux observer with sliding correction for low-speed control.
  • Implemented an improved model reference adaptive system (MRAS) for enhanced performance under heavy load.
  • Used an active disturbance rejection control (ADRC) speed controller, replacing conventional methods.
  • Low-speed position error maintained below 2.5º with no injection ripple.
  • Torque ripple reduced by 55–63% across the full speed range, demonstrating significant efficiency improvements.
  • Speed drop under load steps decreased by over 60% compared to existing methods.

Cite This Study

Mohammed et al. (2026) studied this question.

synapsesocial.com/papers/6a65a422d3aea3239cd76ea6https://doi.org/10.1038/s41598-026-63657-y
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