Analysis of Integrated Magnetic Gear Motor with Dual Mechanical Output Port: A Block Diagram Approach

Chinweze U. Ubadigha, Mi Ching Tsai

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)


This article presents a concise analysis of an electrically driven Dual Rotor (mechanical output ports) Magnetic Gear Motor (DR-MGM) using a block diagram approach. The DR-MGM operating mode is characterized by one electrical input and two mechanical output rotor. This analysis exploits the simplicity of the block diagram principle in characterizing the kinematic and dynamic relations of the DR-MGM thereby making it simpler to understand and easier to deploy a control strategy. Furthermore, the derived expressions and block diagram model show that the DR-MGM has the ability to operate as a double rotor or single rotor without latching any of the rotors. As a differential gear motor, the DR-MGM is highly advantageous for automatic guided vehicles in that, it helps to improve the cornering dynamics. A numerical computation of the DR-MGM is carried out using the block diagram model. Its performance results were compared with the results obtained from Finite Element Analysis and experiments; all were found to be concurrent, thus justifying the proposed block diagram description and governing expressions.

Original languageEnglish
Article number9072530
Pages (from-to)1301-1308
Number of pages8
JournalIEEE Transactions on Energy Conversion
Issue number3
Publication statusPublished - 2020 Sept

All Science Journal Classification (ASJC) codes

  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering


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