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In this paper, the control of an electronic throttle valve based on second-order sliding-mode concepts is presented. The so-called twisting algorithm is chosen as the control law. It is shown that the tracking performance for discontinuous reference signals is significantly improved by introducing nonlinear damping by appropriately specifying the sliding surface. The control concept requires the measured...
A new method for misfire detection has been developed with the objective of providing a straightforward solution for slow turning heavy duty engines. It is shown that by evaluating the small signal of the temperature dependent resistance of a glow plug it can be deduced on cylinder individual and cycle specific misfire. The application required a special hardware setup which is presented in the paper...
As a new application of thermal impedance modeling the thermal behavior of a glow plug is examined. The self-heating device is basically a temperature dependent resistance, which is directly exposed to the highly dynamic combustion process. Therefore it can be used as a sensor in the combustion chamber for diagnosis reasons. In order to deduce the temperature changes in the gas chamber the dynamic...
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