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The throttle system is an electromechanical system represented by a nonlinear dynamical model. In construction some nonlinearityes exist into the throttle. The most significant nonlinearity is a dead-zone. It has its origin in a security position of the throttle position. There are other nonlinearities e.g. Coulomb friction and nonlinearities related to wear. The work is focused on the control of...
In this paper, we report some results of a research project aimed at deriving simple, high-performance, adaptive and robust control algorithms for evaporator control by means of EEV (Electronic Expansion Valve). Control design is performed by resorting to a detailed, virtual prototyping environment described in. The proposed control scheme has two nested loops. The inner loop consists of the process...
This paper deals with an adaptive friction compensation strategy based on the LuGre model for a pneumatically driven rodless cylinder. Due to their high dynamics, good force-to-weight characteristic, and their relatively small price pneumatic positioning systems offer an attractive alternative to electrical drives. However, pneumatic positioning systems also involve some difficulties like the nonlinear...
In recent years, integrated vehicle control system has been designed based on the information of torque. Therefore, engine is teated as the actuator generating torque and necessity of controlling engine torque has been increased. This paper describes adaptive torque demand control of SI (Spark Ignition) engine with continuous variable valve lift which is based on STC (Self Tuning Control).
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