Spark Ignition Engine Torque Management
Spark Ignition Engine Torque Management
G. Ingram, M. Franchek, V. Balakrishnan, and G. Surnilla
In Proc. American Control Conference, Denver, CO, June 2003
Abstract:
Presented in this paper is a robust feedback controller design process
to regulate the torque of a spark ignition engine equipped with an
electronic throttle mass air flow controller. A system level model of
engine torque production is experimentally determined. In addition, an
H-infinity controller is designed to control engine torque with zero steady
state error while addressing the nonlinear system characteristics and
pure delay. The controller design methodology applied to the torque
control problem is discussed and an interpretation of the controller
presented. Engine dynamometer data demonstrates the H-infinity controller
successfully rejects noise and disturbances while meeting preliminary
transient and steady state performance objectives.
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