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Designing cooperative interaction of automated vehicles with other road users in mixed traffic environments

interACT is an H2020 project implemented by 8 partners from 4 countries that runs from May 2017 to April 2020. interACT project will develop novel, holistic interaction concepts for automated vehicles, that will enable their integration in mixed traffic environments, in a safe and intuitive way.

Automated Vehicles (AVs) are expected to start being deployed in mixed traffic and for this they will need to interact safely and efficiently with other (non equipped) users, including drivers of manually driven vehicles, cyclists and pedestrians. Currently, these vehicles cannot communicate their intentions to other road users and this limitation reduces the intuitive and cooperative interaction between the Automated Vehicles (AVs) and others, and the smooth flow of all traffic. Moreover other transport network users are currently unfamiliar with the presence of AVs and need to incrementally adapt to this new reality in an efficient and effective way that will ensure safety, especially in the transition period to full automation.

interACT will tackle the above-mentioned challenges, as it will study and substantially improve this communication and cooperation strategy between Automated Vehicles (AVs) and other transport stakeholders. interACT will provide an overview of current human machine interactions in mixed traffic, and increase chances of safe deployment of AVs by developing novel software and HMI hardware components for reliable and user-centric communication between an Automated Vehicle (AV) with its users.

In more detail, interACT will:

1) Use social-psychological models to compile a catalogue of interactions, identifying the main communication needs of road users in current and future traffic scenarios2) Improve software algorithms and sensor capabilities for assessing intention recognition and behaviour prediction of surrounding road users

3) Use a Cooperation and Communication Planning Unit to integrate planning algorithms, providing synchronized and integrated communication protocols

4) Ensure safety of road users by developing easy-to-verify software for a safety layer, and novel methods for fail-safe trajectory planning.

Prototypes will be developed and evaluated in multi-actor simulators and two test vehicles, assessing ease-of-use, acceptance, safety and reliability. The impact of this successful communication on traffic safety, traffic flow and acceptance of AVs by the society will be investigated.

ICCS will be responsible for the conceptualisation and development of a Cooperation and Communication Planning Unit, which will be responsible for the integrated and time-synchronised planning of all interactions between the vehicle automation, its on-board user and the other traffic participants. Moreover ICCS will be responsible for all dissemination activities of the project.



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