Use of feedforward in idle speed control for a direct injection spark ignition engine during lean burn. - Joseph J. Scillieri; Julia H. Buckland; James S. Freudenberg (ACC, 2002)

From stoichiometry to ultra lean burn in a direct injection spark ignition engine model. - Joseph J. Scillieri; James S. Freudenberg; Jessy W. Grizzle (ACC, 2002)

Reference feedforward in the idle speed control of a direct-injection spark-ignition engine. - Joseph J. Scillieri; Julia H. Buckland; James S. Freudenberg (IEEE Trans. Veh. Technol., 2005)