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1. SIMULINK MODEL OF PARALLEL HYBRID VEHICLE GENERATOR
2. SIMULINK MODEL OF PARALLEL HYBRID VEHICLE UPDATE

The Simulink framework, combined with this documentation, enabled GM engineering teams in India, North America, Germany, and Sweden to work on the design in parallel.

SIMULINK MODEL OF PARALLEL HYBRID VEHICLE GENERATOR

With Simulink Report Generator ™, GM Engineering Europe created documentation for their Simulink and Stateflow models, which helped team members understand component designs created by others.

SIMULINK MODEL OF PARALLEL HYBRID VEHICLE UPDATE

This approach enabled them to update the system component by component while maintaining the ability to deliver the latest control software to vehicles entering production. Working with MathWorks consultants, the team developed a model framework for the entire HVAC controller in Simulink ®, and then integrated existing components coded in C.Įngineers converted components written in C into Simulink and Stateflow ® models, adding functionality to meet current design requirements. To develop the new HVAC controller, GM engineers used MathWorks tools and adopted Model-Based Design, an approach that enabled them to validate their designs and test components under various failure conditions before hardware was available. The team developing the new, more complex HVAC controller was also expected to maintain their delivery schedule for products already in the pipeline. “Our goal was to verify the design much earlier in the process,” explains Gerhard Stengel, software developer at GM Engineering Europe. In the past, GM engineers could not begin testing until the entire system had been developed and hardware was available. “We also needed to add new functionality for hybrid vehicles, in which minimizing power consumption is a top priority.”Īdditionally, GM Engineering Europe wanted a platform that would enable engineering teams in Asia, North America, and Europe to collaborate effectively. “Our development platform had to be more flexible because we wanted to support all GM vehicles with the same core software,” says Hägnander. Recently, the group became responsible for developing HVAC software for all GM vehicles worldwide, including new hybrid and extended-range electric vehicles. Engineers at GM Engineering Europe have years of experience in developing software for GM’s European brands.