Coupled analysis technique involving magnetic-field-control/circuit simulation and loss estimation for permanent magnet synchronous machine

Katsuyuki Narita, Takashi Yamada, Yoshiyuki Sakashita, Kan Akatsu

Research output: Contribution to journalArticle

7 Citations (Scopus)


The high-flux permanent magnet and flux-barrier structure of permanent magnet synchronous machine (PMSM) has strong magnetic saturation and harmonics components. When control algorithms for such machines are examined by performing control simulation, the use of the conventional motor model based on the voltage equation can cause problems. To avoid these problems, we introduce the technique of coupled analysis of the magnetic-field-control/circuit simulation. Further, iron losses generated in PMSM can be estimated by the coupled analysis system. The iron losses at various driving conditions are calculated by the coupled analysis system and are compared with measured losses. The comparison results show that the coupled analysis system is suitable for accurately estimating the iron losses of PMSM.

Original languageEnglish
Pages (from-to)1309-1315+7
JournalIEEJ Transactions on Industry Applications
Issue number11
Publication statusPublished - 2011 Dec 1



  • Coupled analysis
  • Machine control
  • Motor model
  • Permanent magnet synchronous machine

ASJC Scopus subject areas

  • Industrial and Manufacturing Engineering
  • Electrical and Electronic Engineering

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