Abstract. This paper presents the first results of current product line engineering efforts at Alstom Transport. It describes the background that has led us to these efforts as well as the approach that we have adopted on Model-Based Systems Engineering (MBSE) and Product Line Engineering (PLE). We present a real-life application of MBSE and PLE that "goes beyond" SysML along with a quick overview of the first results stemming from this application to Rolling Stock systems.

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Abstract. This paper tells a short story on our journey in "Model-based-land" and on our quest of Systems Engineering maturity. It presents an overview of our impressions on the MBSE landscape and of the approach that we have adopted on MBSE, and gives a brief overview of the first results of this approach. This paper is the first part of a three-fold communication on current initiatives at Renault aiming at improving the efficiency of product development and mastering the complexity of automotive systems. These initiatives concern the development of MBSE and, in particular, the definition of an automotive architecture framework.

This paper presents a mid‐term return of experience from Alstom's rolling stock division on its implementation of product line engineering (PLE). It describes the journey we have undertaken to implement PLE, the challenges we have had to face, and the manner in which we are finding our way (most of the time deliberately, sometimes fortuitously) to define a profitable reuse strategy and to structure our approach on PLE. The paper also presents some encouraging intermediate results and concludes with the perspectives and the future challenges in our search for product line systems engineering excellence.

Pushed to the edge of their capabilities in a highly competitive world market, organizations everywhere look for efficient means to innovate and develop their products and services. This paper proposes and illustrates a holistic integration of Product Line Engineering (PLE) and Model‐Based Systems Engineering (MBSE) to connect and align market and business analysis, architecting, design, and engineering. This value‐driven, integrated approach capitalizes on MBSE best practices to tackle the concrete challenges of product line engineering.