IntermediateMATLAB R2026a

IPMSM motor designer app (3.3–50 kW)

Design an interior permanent-magnet motor from its geometry and see torque-speed, flux and efficiency.

IPMSM designer app showing motor geometry — Motor geometry view (15 kW design)

Aim

Size an IPMSM from stator, slot, V-magnet rotor and winding inputs, then study its MTPA and field-weakening envelope, flux pattern and efficiency map.

What you’ll learn

IPMSM geometry and its effect on performance
MTPA, field weakening and MTPV
2-D finite-element flux maps and back-EMF
Efficiency maps for EV traction

Try it here

An interactive illustration of the idea behind this experiment.

Rotating magnetic field and torque

Animation speed30 rpm (slowed)

Torque now (relative)

100 %

Torque ripple (ideal)

13 %

Simplified illustration for learning. Run the MATLAB model for exact, physics-based results.

How to run it in MATLAB Online

Unzip the package we send you.
Go to matlab.mathworks.com and sign in (campus licence or MathWorks trial).
In MATLAB Drive, click Upload and choose the unzipped folder.
In MATLAB Online, open the folder and double-click the model (.slx) or run the start script named in README.
Press Run. Results appear in the scopes, dashboard or figures.

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