Powertrain simulation tool supports hardware-in-the-loop test

Powertrain simulation tool supports hardware-in-the-loop test

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By Nick Flaherty

Powertrain Blockset provides fully assembled reference application models of petrol, diesel, hybrid, and electric powertrains. It includes a component library for simulating engine subsystems, transmission assemblies, traction motors, battery packs, and controllers. Powertrain Blockset also includes a dynamometer model for virtual testing.

It provides a standard model architecture that can be reused throughout the development process and can be used for design tradeoff analysis and component sizing, control parameter optimization, and hardware-in-the-loop testing. Engineering teams can customize models by parameterizing components in a reference application with their own data or by replacing a subsystem with their own model.

“Automotive teams that are deploying Model-Based Design often look for a starting point for building system models and applying these models to design and testing. Developing a system model from the ground up requires significant effort and engineers with specialized skills,” said Wensi Jin, automotive industry manager, MathWorks. “With Powertrain Blockset, these engineers can take advantage of a maintained, well-documented, and open set of models that can be customized to their needs.”

Powertrain Blockset includes reference applications for common electrified powertrains such as electric and multimode hybrid electric. These reference applications are open so  the engineer can configure and parameterize the electrified powertrain components, including motors, generators, and energy storage.

For system and control development, including HIL testing, these blocks provide a balance of realistic closed-loop behaviour and simulation speed and the model can be customised for more detailed analyses, for example, including the effects of power electronics switching by using blocks from Simscape Power Systems. The system designer can also predict electrical efficiencies and losses using blocks from Simscape Electronics.

To learn more about Powertrain Blockset, please visit

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