Automotive Test & Simulation - November 2022

In this compendium of articles from the editors of Automotive Engineering magazine, learn about the latest simulation and test technologies for ADAS, EV batteries, NVH, vehicle cybersecurity, and other critical applications.
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Overview
The Automotive Test & Simulation Special Report from November 2022 provides a comprehensive overview of the latest advancements and challenges in the automotive industry, particularly focusing on testing, simulation, and battery technologies.
One of the key themes of the report is the increasing complexity of modern vehicles, which are now akin to mobile computers. This complexity arises from the integration of advanced driver assistance systems (ADAS), infotainment systems, and autonomous vehicle technologies. As a result, engineers face new design considerations, particularly concerning cybersecurity. A study highlighted in the report reveals significant concerns among industry professionals regarding the adequacy of current cybersecurity practices, with many admitting to insufficient testing of hardware and software for vulnerabilities. The National Highway Traffic Safety Administration (NHTSA) has recommended a multi-layered approach to cybersecurity, focusing on potential entry points for cyberattacks.
The report also emphasizes the importance of battery technology, particularly lithium-ion batteries, which are critical for electric vehicles (EVs). It discusses the challenges associated with battery manufacturing, including defects that can lead to failures. A significant portion of the report is dedicated to the use of ultrasound technology in battery testing. Ultrasound is emerging as a cost-effective method for evaluating battery quality, offering insights into manufacturing defects and performance issues. This technology can help streamline quality control processes in battery production, which is essential for reducing costs and improving reliability.
Additionally, the report touches on the need for sophisticated testing solutions to ensure the safety and performance of automotive technologies. It highlights the role of simulation models and scenarios in the development of automated driving systems, as well as the importance of reusing existing infrastructure in testing environments. The report notes that many customers in the automotive sector are looking to integrate new solutions with their current systems, which underscores the need for flexibility and adaptability in testing methodologies.
Another significant aspect covered is the regulatory landscape surrounding battery safety. The report references the Global Technical Regulation (GTR) No. 20, which mandates a five-minute warning for battery failures to prevent human injuries. This regulation highlights the critical need for reliable battery management systems (BMS) that can detect warning conditions and prevent catastrophic failures.
In summary, the Automotive Test & Simulation Special Report provides valuable insights into the evolving landscape of the automotive industry, focusing on the integration of advanced technologies, the challenges of battery manufacturing, and the critical importance of cybersecurity. It underscores the need for innovative testing solutions and regulatory compliance to ensure the safety and reliability of modern vehicles. As the industry continues to evolve, the report serves as a crucial resource for understanding the trends and technologies shaping the future of automotive design and testing.

