Browse Publications Technical Papers 2010-01-0330

Auto-Tuning of PID Controllers for Calibration of Idle Speed Controller Maps in Diesel Engines 2010-01-0330

In this work we propose an automatic tuning method for the calibration of PID controllers of the idle speed functionality in Diesel engines. The tuning method is based on a closed-loop identification technique, which is employed to estimate the parameters of a first order model with integrator and delay. It is shown that this simple model has sufficient fidelity to provide satisfactory PID gains. The identification algorithm and the performance of the resulting PID controllers have been tested in different vehicles. The proposed methodology has the potential to automate the calibration process of idle speed controllers while satisfying requirements on stability, performance, and robustness of the closed-loop system.


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