Software-centric powertrain controller platform for multiple vehicle variants

Used solutions

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Software & E/E Platforms

Introduction

Background

Approach

Key actions

Impact

Introduction

Time to market and total cost of ownership are significantly influenced by software-defined platforms. An OEM aims to develop a highly reusable and scalable powertrain software platform for marine and off-road vehicles. This initiative includes standardizing legacy software and managing variants.

Background

Launch a software-centric powertrain controller platform ready for multiple vehicle variants.

Approach

Organization:

  • Establishment of an effective, series-compliant model-based development framework.
  • Definition of workflows and toolchains for requirements management, model-based software development, and automated code generation and testing.
  • Definition and implementation of a software migration strategy.
  • Application of Systems Engineering based on FEV Foundry to define a comprehensive requirements database.

Product:

  • Tailoring the control system to specific vehicle requirements.
  • Modular basic software design based on AUTOSAR to deploy customized control functions compliant with industry regulations.
  • Development of a software stack to be seamlessly embedded on various ECU derivatives, differing in compute power, memory, etc., for vehicle and marine applications.

Function Description:

  • Definition of customer requirements.
  • Decomposition into functional and technical requirements.

Legacy Software Analysis:

  • Mapping existing code to requirements and performing coverage checks.
  • Evaluating the complexity of software components, including interfaces.

Software Refactoring:

  • Prioritizing reengineering, starting with the most complex software components.
  • Designing software architecture, including adapters.
  • Setting up a model-based development (MBD) workflow.

Impact

  • Product Excellence
    Realized a multi-industry compliant software architecture serving multiple applications and variants.
  • Organizational Excellence
    Established a highly automated development workflow for control software.
  • Business Excellence
    Reduced bill of material costs and time to market through a highly reusable and modular software platform approach.

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