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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. 95] Actuator agony
Electromagnetic actuators (solenoids, relays, torque motors, etc.) comprise an important class of electromagnetic devices with a wide range of applications. They are used for short movements of mechanical parts, often with considerable force. They can also be used as sensors by virtue of the variable inductance that depends on the position of the moving element. Their design is well served not only by finite-element analysis, but also by thermal and dynamic analysis tools, and there may be a close link with control electronics in some cases. Actuator design is therefore truly a ‘multi-physics’ project...Read more

An engineer's diary

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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!

On-demand Webinar

Information

JMAG Users Conference 2026 in India

Jointly hosted by POWERSYS and JSOL, we are pleased to announce the JMAG Users Conference in India.
This event is a unique opportunity to engage with industry leaders and experts at the forefront of electric motor innovation.
We look forward to your participation.

Date: Aug. 5 (Wed.), 2026
Venue: Hyatt Centric Mg Road Bangalore (Bangalore, India)

For more Information

An engineer's diary
JMAG-Express Online