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Nissan Leaf completes complex autonomous journey

Published: 10 February 2020 - Carly Wills

A British-based research project into the latest autonomous vehicle technologies has successfully completed a 230-mile self-navigated journey on UK roads.

The project, HumanDrive, is jointly funded by UK government through the Centre for Connected and Autonomous Vehicles (CCAV) and Innovate UK, and nine other consortium partners. The joint funding package for the project totalled £13.5m.

The research project has successfully completed two trials, a 230-mile self-navigated journey on UK roads – ‘Grand Drive’ – using advanced positioning technology and also a test track based activity which explored human-like driving using machine learning to enhance the user experience.  

The test vehicles included Nissan LEAFs, featuring GPS, radar, LIDAR and camera technologies that build up a perception of the world around it. Using that perceived world, the system can make decisions about how to navigate roads and obstacles it encounters on a journey.

The first element of the project was the ‘Grand Drive’ from Cranfield, Bedfordshire, to Sunderland. The achievement was the culmination of 30 months’ work by the HumanDrive consortium - a team led by Nissan engineers in the UK, working in partnership with consortium members.

One of the key aspects of the project was to develop an advanced, autonomous vehicle control system. Ensuring that future advanced autonomous drive systems create a comfortable and familiar experience for customers is important as we move towards a more connected and autonomous future.

The 230-mile journey saw the lessons learned put into practice in a range of driving scenarios to negotiate country lanes with no or minimal road markings, junctions, roundabouts and motorways. The autonomous technology activated along the route to change lanes, merge and stop and start when necessary.

The second part of the HumanDrive project looked at how machine learning artificial intelligence technologies could enhance the user experience and passenger comfort of connected and autonomous vehicles. Pilot vehicles tested successfully on private tracks, also incorporate artificial intelligence systems developed by fellow consortium member Hitachi Europe Ltd, which enable real-time machine-learning. By building a dataset of previously encountered traffic scenarios and solutions, it can use this ‘learned experience’ to handle similar scenarios in future and plot a safe route around an obstacle.

These technologies were subjected to a robust testing process and developed using a range of facilities, including simulation, hardware in the loop, private test tracks.

HumanDrive also went beyond the development of autonomous drive technology. The research also focused on advancing cyber security features in AD vehicles, developing testing and safety methodologies for UK AD testing and investigating the implications of AD vehicles on the wider transport system.  

While remaining a UK-based research project for now, the lessons learned from HumanDrive will help inform future AD systems.



 
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