Abstract
The transportation industry is facing major challenges that come along with innovative trends like autonomous driving. Due to the growing amount of network participants, smart sensors, and mixed-critical data, scalability and interoperability have become key factors of cost-efficient vehicle engineering. One solution to overcome these challenges is the AUTOSAR Adaptive software platform. Its service-oriented communication methodology allows a standardized data exchange that is not bound to a specific middleware protocol. OPC UA is a communication standard that is well-established in modern industrial automation. In addition to its Client–Server communication pattern, the newly released Publish–Subscribe (PubSub) architecture promotes scalability. PubSub is designed to work in conjunction with Time-Sensitive Networking (TSN), a collection of standards that add real-time aspects to standard Ethernet networks. TSN allows services with different requirements to share a single physical network. In this paper, we specify an integration approach of AUTOSAR Adaptive, OPC UA, and TSN. It combines the benefits of these three technologies to provide deterministic high-speed communication. Our main contribution is the architecture for the binding between Adaptive Platform and OPC UA. With a prototypical implementation, we prove that a combination of OPC UA Client–Server and PubSub qualifies as a middleware solution for service-oriented communication in AUTOSAR.
Highlights
The automotive industry is rushing towards new trends like autonomous driving and Car2X [1,2,3]
The authors in [4] state that Automotive Open System Architecture (AUTOSAR) Adaptive will facilitate the development of a standardized platform for connected cars due to its wide range of platform services. While these works concentrate on the applicability and suitability of AUTOSAR Adaptive as a future vehicle platform, our research initially focuses on the binding concept of AUTOSAR Adaptive, Open Platform Communications Unified Architecture (OPC UA), and Time-Sensitive Networking (TSN) and the evaluation of this combination for the in-vehicle communication
The evaluation is a proof of concept to show that the combination of the three technologies is beneficial for future automotive systems
Summary
The automotive industry is rushing towards new trends like autonomous driving and Car2X [1,2,3]. Vehicles are becoming increasingly intelligent and interconnected with the outside world and with each other [4]. The number of new functions in a vehicle is growing rapidly. In the context of autonomous driving, the need for special sensors that perceive the environment and complex sensor data fusion functions has increased. In addition to the actual control of the vehicle, other components such as driving assistants and infotainment gain in significance. The amount of mixed-critical data to be processed and exchanged has grown enormously
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