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Single-Phase Induction Motor Controller For Photovoltaic Powered Water Pump
Foito, Daniel; Guerreiro, M.; Pires, V. FernãoCom o apoio RAADRI. ; The objective of this paper is to present a centrifugal pump control system driven by a single-phase induction motor (SPIM) that is supplied by a photovoltaic generator. The study system consists of a PV array, a DC/DC converter, a DC/AC converter and a single-phase AC motor. The DC/DC converter is controlled in order to ensure the maximum power of the PV array. For the maximum power poin...
A Neuro-Fuzzy Based System for Fault Detection and Diagnosis of 3-Phase PFC Rec...
Foito, Daniel; Pires, V. Fernão; Amaral, T. G.; Martins, J. F.Com o apoio RAADRI. ; Fault diagnosis in PFC rectifiers is becoming more and more important in many industrial applications. PFC rectifiers allow high power factor operation in AC/DC conversion. This power converter is normally the first interface between the ac power system network and the electronic equipment. In this way a good diagnosis system can avoid unplanned standstill. Under this context, this work p...
Road Motion Control Electric Vehicle with Speed and Torque Observer
Foito, Daniel; Gaspar, Manuel; Pires, V. FernãoThis paper presents an electric vehicle (EV) with two independent rear wheel drives and with an electric differential system. A model of the vehicle dynamic model is presented. The electric differential was implemented assuring that, in straight right trajectory, the two wheels drives roll exactly at same velocity and, in curve, the difference between the two velocities assure a vehicle trajectory. A speed and ...
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