Browse Publications Technical Papers 2000-01-0261
2000-03-06

Non-Linear Model-Based Throttle Control 2000-01-0261

Spark ignited engines require accurate control of both air and fuel, and one important component in this system is the throttle servo. A non-linear throttle model is built and used for control design. It is shown that the non-linear model-based controller improves the performance compared to a conventional gain scheduled PI controller. Furthermore a method for estimating the load torque that the air flow produces on the throttle shaft is presented.

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