Abstract
The paper presents the development of LQG (Linear Quadratic Gaussian) Control to minimize the jerk, during the actuation of a novel engine crank mechanism,for a hybrid electric vehicle. The operation of the novel mechanism is explained in detailed. Open loop simulation results show an undesirable jerk, which is perceptible to the driver, during the actuation of this mechanism. A closed loop LQG controller is then formulated to minimize the jerk and provide a smooth engine start. The formulation of the plant model, observer design is explained. Incremental control is used to approximate jerk from the output equation. Finally, closed loop simulation results show a smooth engine crank while minimizing the undesirable jerk.
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