Thursday 19 December 2013

Ford: Predictive logic can boost cruise-control mpg 5 percent


Powertrain mapping for Ford predictive cruise control
Credit: Ford/Green Car Reports

http://www.greencarreports.com/news/1089187_ford-predictive-logic-can-boost-cruise-control-mpg-5-percent / 2014 Lincoln MKTCruise control American long road trips reduced reduction reduce fatigue adaptive cruise control systems system commutes traffic jam jams jammed traffic-jammed holiday weekend slogs save lot of fuel up to 10 percent foot on the accelerator foot-on-accelerator driving drive smoothing smooth driving styles style adapt cruise control surrounding traffic more extreme terrain question maintain maintaining speed recover desired speed vehicle vehicles hill hills cruise control systems market adaptive cruise controls set following distance predictive throttle speed drops drop slower vehicle directly ahead ease off speed rises desired setting eliminate overcompensation built into systems predictive algorithms more sophisticated mapping Ford engineers engineer soften throttle behavior save more fuel powertrain power train mapping predictive cruise control comparing load vehicle how many people aboard load passenger passengers headwind steepness grade powertrain torque applied smooth recovery trajectory speed drops drop fall falls decrease decreases connect connected cloud based cloud-based vehicles know vehicle's onboard measurements on powertrain load accelerometers yaw sensors air-mass meter air mass numbers typical powertrain module variables samples a few seconds total running memory less than 55 seconds predicts based on recent loading and terrain load constant transient connected vehicles uphill downhill eco rubber band rubber-band-style delay throttle response /