Electronic Throttle Valve Control Design Based on Sliding Mode Perturbation Estimator †


Abstract – The electronic throttling angle control system is the newly commonrequirement trend in automotive technology. It is used to regulate the amount of air flowinto the engine. Due to the existence of multiple non-smooth nonlinearities, thecontroller design to the electronic throttle valve becomes a difficult task. Thesenonlinearities including stick–slip friction, backlash, and a discontinuous nonlinearspring involved in the system. The designed controller in the present work consists ofthe estimated perturbation term with a negative sign (used to cancel the perturbationterm) and a stabilizing term used to stabilize the nominal system model. Theperturbation term consists of the external unknown input and the uncertainty in throttlevalve model including the nonlinear terms. The utilized estimator uses the sliding modecontrol theory and based on the equivalent control methodology. The simulation resultsshow the effectiveness of the proposed controller in estimating the perturbation term.And then in forcing the angle of the throttle valve to follow the desired opening angle inpresence of nonlinearities and disturbances in throttle system model and the variation inits parameters.