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AIthena – AI-based CCAM: Trustworthy, Explainable, and Accountable

Connected and Cooperative Automotive Mobility (CCAM) solutions have emerged thanks to novel Artificial Intelligence (AI) which can be trained with huge amounts of data to produce driving functions with better-than-human performance under certain conditions. The race on AI keeps on building HW/SW frameworks to manage and process even larger real and synthetic datasets to train increasingly accurate AI models. However, AI remains largely unexplored with respect to explainability (interpretability of model functioning), privacy preservation (exposure of sensitive data), ethics (bias and wanted/unwanted behavior), and accountability (responsibilities of AI outputs). These features will establish the basis of trustworthy AI, as a novel paradigm to fully understand and trust AI in operation, while using it at its
full capabilities for the benefit of society.
AITHENA will contribute to building Explainable AI (XAI) in CCAM development and testing frameworks, researching three main AI pillars:

  • data (real/synthetic data management), 
  • models (data fusion, hybrid AI approaches), and 
  • testing (physical/virtual XiL set-ups with scalable MLOps).

A human-centric methodology will be created to derive trustworthy AI dimensions from user-identified group needs in CCAM applications. AITHENA will innovate proposing a set of Key Performance Indicators (KPI) on XAI, and an analysis to explore trade-offs between these dimensions.
Demonstrators will show the AITHENA methodology in four critical use cases: perception (what does the AI perceive, and why), situational awareness (what is the AI understanding about the current driving environment, including the driver state), decision (why a certain decision is taken), and traffic management (how transport-level applications interoperate with AI-enabled systems operating at vehicle-level). Created data and tools will be made available via European data-sharing initiatives (OpenData and OpenTools) to foster research on trustworthy AI for CCAM.

AIthena project fig. 1

AIthena receives funding from the European Horizon Europe programme, grant agreement no. 101076754.

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TTTech Auto’s role in this project is as a technology provider and use case partner all in one. A specific focus of the Automated Driving System solution by TTTech in this project is functional safety and fail-operational performance. A demonstrator “Robust Prediction modules for robo-taxi in urban environment”, jointly developed and integrated with Virtual Vehicle and Infineon Technologies, aims to deliver a trustworthy and robust prediction of traffic participants' indented  motion enabling a safe and predictable operation of robo-taxis. The approach proposed includes: 

  • Safety SW platform capable of embedded real-time container execution and fault-tolerant decision-making subsystem concept,
  • optimal combination of AI and physics-based approaches enabling large-prediction horizons together with computationally efficient implementations,
  • AI trustworthiness validation using XiL testing methodologies together with test data collection and analysis,
  • seamless transition from virtual and simulation environments to embedded, real-time platforms using a container-based development approach.

In particular, TTTech Auto contributions in Aithena are a virtualized high-performance platform, an extension of scheduling algorithms, and time synchronization to guarantee a time-real data communication. Considering the main challenges defined by architects and customers, this work will ensure safety by design and real-time orchestration of applications.

AIthena project fig. 2

 

AIthena

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Andreas Eckel

andreas.eckel@tttech.com
 

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