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The electronic throttle control (ETC) is a key component in modern automotive, which affects the performance of traction control and engine torque control. An ETC control system consists of a DC servo motor driving a circular-shaped valve plate, which is connected to a preloaded spring. The opening angle of the valve plate controls the air flow into the engine. When the control system fails, the spring...
Traditionally automotive powertrain research and development have been conducted with electromagnetic dynamometers. The ever increasing demand for reducing fuel consumption and emissions has driven the innovation of new technologies in engines, transmissions, and hybrid systems, which in turn requires significant flexibilities and transient capabilities of the dynamometer. Given its superior power...
In this study, we purpose a control system of engine torque for a V6 spark ignition engine with a variable valve lift system. We apply a nonlinear receding horizon control to the SICE benchmark problem where we assume that the control inputs are throttle angle, variable valve lift and ignition timing. Moreover, a fuel injection control is also developed by estimating the amount of air in the engine...
This paper concerns the design of robust and high precision performance controller. Optimum fuzzy PID controller is developed with the aim to achieve high performance and to reduce tracking errors. Mathematical model is developed that includes a dynamic friction model to accounts for main nonlinearities. To acquire the global optimal state proposed controller is optimized by using genetic algorithm...
The position tracking control of a missile electrohydraulic servo mechanism is studied. Since the dynamics of the system are highly nonlinear and have large extent of model uncertainties, such as big changes in load and parameters, a design method of adaptive fuzzy sliding mode control is presented. The adaptive fuzzy controller is introduced to approach the equivalent control of sliding mode control,...
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