Development of Machine-Learning Models for Autonomous Vehicle Decisions on Weaving Sections of Freeway Ramps
Brian Lin, Assistant Research Scientist – The University of Michigan Transportation Research Institute
To date no systems can recommend when and how lane changes should be made in weaving sections with limited length to ensure that traffic stays safely and smoothly separated. This study aims to (1) investigate drivers’ decision and speed control before changing lanes into/out of the weaving section, (2) develop the lane change decision and maneuver algorithms for automated vehicles (AVs), (3) apply the algorithms to AVs, and (4) validate the algorithms on Mcity Test Facility. Two types of model/algorithm will be created to (1) identify the surrounding vehicle characteristics, and (2) classify drivers’ decision to change lanes and model the lane change maneuvers in the weaving section. The validation taking place on Mcity will provide evidence to test and improve the algorithms, as well as a demonstration to showcase how the AV can interact with weaving vehicles.
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