USING GSSA IN DESIGNING CONTROLLERS FOR RECTIFIERS AC / DCSummary: The problem of rectification AC / DC electric power with efficiency criteria conversion power, low electromagnetic interference, low harmonic content in the line current, power factor near unity and voltage regulation for variable loads has been a topic of interest in recent years, especially by the existence of strict regulations on maximum allowable limit these specifications. The need to use electronic converters connected in these systems requires the design of controllers to achieve the desired objectives. Have been proposed in the last decade various schemes and control techniques for systems of this type; remain an important requirement that the schedules and control techniques used involve a low cost of implementation. The practical implementations of these drivers, however, have some limitations that have been reported in the literature and encouraging the pursuit of other schemes and control techniques. In this thesis is presented and validated through simulation and experimentation, a control scheme for a rectifier AC / DC boost kind of bridge complete offering the possibility of turning the problem is not standard control derived from the objectives in this system, a standard regulation that allows the use of engineering controls linear and nonlinear simple and widely known. This is accomplished through the use of a technique for modeling averaging in the state space known as GSSA. In implementing the proposed scheme requires the construction of digital filters to extract real-time Fourier coefficients complexes specifically selected for harmonic signals. In this thesis are designed filters that meet this need with a low-cost computer so that the proposal is complex similar to conventional techniques. Under the proposed control scheme, we design and validate some regulators linear and nonlinear boost for the rectifier bridge complete whose main objective is to show that the proposed scheme may lead to the use of engineering controls simpler than those used so far for the same problem.
