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Active deceleration support in car following

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Author: Mulder, M. · Pauwelussen, J.J.A. · Paassen, M.M. van · Mulder, M. · Abbink, D.A.
Institution: TNO Defensie en Veiligheid
Source:IEEE Transactions on Systems, Man, and Cybernetics Part A:Systems and Humans, 6, 40, 1271-1284
Identifier: 425145
doi: DOI:10.1109/TSMCA.2010.2044998
Article number: No.: 5451062
Keywords: Traffic · Car following · deceleration control (DC) algorithm · driver model · driver support system · haptic feedback (HF) · Brake pedals · Car following · Control activities · DC algorithm · Decision points · Driver models · Driver support system · Driving simulator · Gas pedals · Haptic feedbacks · Haptic gas pedal feedback · Lead vehicles · Monte carlo analysis · Reaction fields · Algorithms · Automobile drivers · Automobile simulators · Automobiles · Brakes · Deceleration · Friction materials · Gases · Haptic interfaces · Mathematical models


A haptic gas pedal feedback system is developed that provides car-following information via haptic cues from the gas pedal. During normal car-following situations, the haptic feedback (HF) cues were sufficient to reduce control activity and improve car-following performance. However, in more critical following situations, drivers use the brake pedal to maintain separation with the lead vehicle. A deceleration control (DC) algorithm is designed that, in addition to the HF, provided increased deceleration upon release of the gas pedal during car-following situations that required faster deceleration than releasing the gas pedal alone would do. For the design, a driver model for car following in different situations was estimated from driving simulator data. A Monte Carlo analysis with the driver model yielded subjective decision points, where drivers released the gas pedal to start pressing the brakes. This enabled the definition of a reaction field, which determined the needed deceleration input for the DC algorithm. The tuned DC algorithm was tested in a fixed-base driving simulator experiment. It was shown that the active deceleration support improved the car-following performance while reducing the driver brake pedal input magnitude in the conditions tested. © 2006 IEEE.