Performance of Driver-Vehicle in Aborted Lane Change Maneuvers

Paper #:
  • 960516

Published:
  • 1996-02-01
Citation:
Lee, A., "Performance of Driver-Vehicle in Aborted Lane Change Maneuvers," SAE Technical Paper 960516, 1996, https://doi.org/10.4271/960516.
Author(s):
Pages:
13
Abstract:
A “lane change crash” is defined as a family of collisions that occurred when a driver attempts to change lane and strikes or is struck by a vehicle in the adjacent lane. One type of maneuvers that is commonly used to avert a lane change crash involved aborting the intended lane change, and returning the vehicle to the original lane of the subject vehicle. This study addresses the performance of driver-vehicle systems in aborted lane change maneuvers. We first compared the recorded steering command of an experienced driver in executing a lane change maneuver with that determined via solving a suitably formulated optimization problem, and found them to be qualitatively comparable. This finding allows us to analytically assess whether an experienced driver can successfully avert a lane change crash if he responsed to the warning from a collision detection system Te seconds after the initiation of the lane change maneuver. Quantitative relations between pre-crash vehicle variables, including the nominal speed of the subject vehicle, the closing speed between the subject vehicle and principal other vehicle, the longitudinal and lateral gap distances, and Te are determined. Results obtained can be used to guide the development of collision warning devices and other lane change/merge crash avoidance counter-measures.
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