Trajectory Optimization and Situational Analysis Framework for Autonomous Overtaking with Visibility Maximization

Hans Andersen, Javier Alonso Mora, You Hong Eng, Daniela Rus, Marcelo H. Ang

Research output: Contribution to journalArticleScientificpeer-review

2 Citations (Scopus)
71 Downloads (Pure)


In this paper we present a trajectory generation method for autonomous overtaking of unexpected obstacles in a dynamic urban environment. In these settings, blind spots can arise from perception limitations. For example when overtaking unexpected objects on the vehicle's ego lane on a two-way street. In this case, a human driver would first make sure that the opposite lane is free and that there is enough room to successfully execute the maneuver, and then it would cut into the opposite lane in order to execute the maneuver successfully. We consider the practical problem of autonomous overtaking when the coverage of the perception system is impaired due to occlusion. Safe trajectories are generated by solving, in real-time, a non-linear constrained optimization, formulated as a receding horizon planner that maximizes the ego vehicle's visibility. The planner is complemented by a high-level behavior planner, which takes into account the occupancy of other traffic participants, the information from the vehicle’s perception system, and the risk associated with the overtaking maneuver, to determine when the overtake maneuver should happen. The approach is validated in simulation and in experiments in real world traffic.
Original languageEnglish
Pages (from-to)7-20
JournalIEEE Transactions on Intelligent Vehicles
Issue number1
Publication statusPublished - 2020

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