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Column: “An engineer’s diary”
The column “An engineer’s diary” by Prof. Miller is available on the JMAG website.
It is updated once a month, and the following columns have been published.
[No. 85] Machines with Carbon Brushes
I can already hear a certain reaction to the idea of machines with carbon brushes:
‘We got rid of those many years ago’.
That is true in many industries. It is even true that many modern electric motors and generators have no antecedents in commutator machines or slip-ring machines. So why should we show any interest in machines with carbon brushes?…Read more

Single-phase AC commutator motor [1888]
In addition, Please have a look along with “On-demand Webinar: Brush up on Motor Design!”.
From beginners in motor design to experts in design and analysis, this content can be of reference to everyone. You can view not only in English but also in many language!

JMAG Users Conference 2025 in Taiwan
The annual Taiwan JMAG User Conference is back! We warmly invite JMAG users and motor design professionals to join us for a day of insightful exchange and cutting-edge applications. Highlights include simulation and measurement validation, Taiwan’s advanced motor development trends, and a session on bridging real machines and digital models in modern engineering. You’ll also explore 3D electromagnetic simulation for axial flux motors and discover the latest JMAG features that support smarter motor design.
Seats are limited-register now and connect with Taiwan’s leading motor innovation community!
Dates: September 11th, 2025 from 13:00-17:00 (CST)
Venue: Sheraton Hsinchu Hotel (Hsinchu, Taiwan)
EUCAS 2025
We will be run a booth at the EUCAS 2025 (17th European Conference on Applied Superconductivity).
EUCAS has been for more than three decades a premier event for the dissemination, discussion, and knowledge exchange of breakthroughs and state-of-the-art developments across the several domains of applied superconductivity.
Dates: September 21st – 25th
Venue: Alfandega Congress Center (Porto, Portugal)
Booth number: 13


