Robust Inverse Control for Combustion Engine Test Benches

American Control Conference, 2008
Author(s):Grünbacher E., del Re L.
In this paper the application of a robust inverse tracking method to the test bench control in order to achieve a high tracking performance is presented. This controller consists of a feedforward part which is the inverse realization of the approximate model of the combustion engine test bench and a robustifying feedback controller, which is for compensating the approximation error or unknown input disturbances. The robustifying controller is simply an extension of a central robust stabilizing controller which usually is the solution of a Hamilton Jacobi inequality. To this end, an iterative way to find a solution of this partial differential equation is applied here. Finally, the presented tracking controller for the combustion engine test bench is compared to a standard decoupled control strategy in a simulation environment.
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