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Issue 31: August 2017 MOTOR DESIGN LIMITED

Motor-CAD Lab Speed Increase

Motor-CAD Lab now has multithreading capability, allowing the software to make use of multiple CPU threads when building the saturation and loss models. For a typical traction application, this results in a speed increase of up to 4 times when building the Lab model.

For example, the model build for a machine with multiple rotor skew slices and limited symmetry can now be built in under 8 minutes compared to almost 30 minutes, whereas for models with a high symmetry factor the full FEA map model build can now be completed in under 3 minutes.

Left: FEA Map model for Iron Losses. Right:Efficiency map

Once the saturation and loss model has been built, machine performance can be calculated accurately over the full torque/speed envelope within seconds. This allows rapid and accurate analysis of the machine performance over the entire operational envelope. The user can quickly create efficiency maps, study the thermally constrained operational envelope, and analyse performance over complex driving cycles.

Motor-CAD Lab is available for the brushless permanent magnet, synchronous reluctance, synchronous and induction machine types.


Summer Interns

MDL welcomes three interns for the Summer.

Alice Staton and William Hill are from University of Warwick where they have recently completed the first year of the MEng programme. Alice has a Women in Engineering Scholarship from the University. They are working on a Motor-CAD to Matlab Simulink link to run thermal simulations.

Robert Muckle-Jones is from St Andrews University where he is part way through a BSc in Computer Science. He already has a MEng in Mechanical Engineering. He is working on visualisation of hairpin windings in Motor-CAD.

Left: Alice Staton. Middle: William Hill. Right: Robert Muckle-Jones.

Upcoming Events

Low Carbon Vehicle Event 2017, Millbrook, UK, 6th - 7th September 2017

Motor Design Ltd will be attending and exhibiting at this event, stand C3-507


Electric & Hybrid Vehicle Technology Expo & Conference, Novi, Michigan, USA, 12th - 14th September 2017

Heide Lewis, MDL Sales Associate will be attending this event


Romax European User Forum, Paris, France, 26th - 27th September 2017

Dougie Hawkins (Head of Software Development) will be presenting on the NVH performance of IPM machines for traction applications


CoilTech, Pordenone, Italy, 27th - 28th September 2017

Dr David Staton (President, MDL) will be making a presentation


Motor-CAD Users Meeting and Training, Dayton South, Ohio, USA, 27th - 29th September 2017

Click below for more information on the training, and to register


ECCE, Cincinnati, USA, 1st - 5th October 2017

Dr Mircea Popescu (Head of Engineering) and Dr James Goss (Head of Technology) will attend


EPDE, Dubrovnik, Croatia, 4th - 6th October 2017

Dr David Staton (President, MDL) will attend this event



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