Autonomous vehicle testing using game engines

We’re excited to announce the recent publication by some members of our team, Professor Kerstin Eder and Dr Greg Chance of the Trustworthy Systems Laboratory (https://www.bristol.ac.uk/tsl), of research into the determinism of game engines used for simulation-based autonomous vehicle verification. These simulations are useful in developing control systems and test environments for the vehicles; but only if they behave deterministically, and therefore yield reliable and repeatable results. Unfortunately, this isn’t a characteristic of game engines and they often produce different outcomes for the same initial conditions. The paper, published in IEEE Transactions on Intelligent Transportation Systems, presents the causes and effects of this non-deterministic behaviour, and sets forth a case study showing the shortcomings of a particular simulator, and a methodology to assess and minimize simulation precision. To read the paper please go here: On Determinism of Game Engines Used for Simulation-Based Autonomous Vehicle Verification 

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