Robust inverse control for combustion engine test benches

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.