An Electronic Throttle Control Strategy Including Compensation of Friction and Limp-Home Effects


J. Deur, D. Pavković, N. Perić, M. Jansz
Proceedings of IEEE International Electric Machines and Drives Conference (IEMDC 2003), Madison, WI
2003
Transmission friction and the return spring limp-home nonlinearity affect the performance of electronic throttle servosystems. The influence of these effects is analyzed by means of computer simulations and experiments. A novel friction model is developed, in order to adequately capture the experimentally observed characteristics of the presliding displacement and breakaway effects. A control strategy consisting of a PID controller and a compensator of friction and limp-home effects is proposed. It is verified by computer simulation and experiment.
friction; computer simulation; springs; three-term control; vehicle dynamics; control systems; DC motors; mechanical engineering; computer architecture; product development