Abstract
The use of driving assistance systems up to the level of autonomous cars asks for methods showing that cars equipped with such systems behave safely. In previous work, we realised that spatial reasoning is a key to prove collision freedom. Our method was based on a dedicated Multi-lane Spatial Logic (MLSL) for traffic on motorways [10].
In this paper, we extend this approach by taking into account the plans of cars in the near future up to a certain time bound. We employ runtime monitoring of car traffic on motorways using extended State Clock automata for State Clock Logic (SCL) as defined in [17]. The extensions are that the SC automata use MLSL formulae as propositional symbols as in Timed MLSL [2] and communication primitives as in Timed Automata of UPPAAL. The idea is that a car can perform a traffic manoeuvre like a lane change only if it successfully communicates with all surrounding cars that check their internal extended SC automata for compliance with their safety and time constraints in the near future.
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Bischopink, C., Olderog, ER. (2023). Time for Traffic Manoeuvres. In: Haxthausen, A.E., Huang, Wl., Roggenbach, M. (eds) Applicable Formal Methods for Safe Industrial Products. Lecture Notes in Computer Science, vol 14165. Springer, Cham. https://doi.org/10.1007/978-3-031-40132-9_11
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