Estratégia de navegação com planejamento dinâmico e algoritmo genético aplicada a robôs móveis terrestres

This work proposes a new autonomous navigation strategy assisted by genetic algorithm with dynamic planning for terrestrial mobile robots, called DPNA-GA (Dynamic Planning Navigation Algorithm optimized with Genetic Algorithm). The strategy was applied in environments - both static and dynamic - in which the location and shape of the obstacles is not known in advance. In each shift event, a control algorithm minimizes the distance between the robot and the object and maximizes the distance from the obstacles, rescheduling the route. Using a spatial location sensor and a set of distance sensors, the proposed navigation strategy is able to dynamically plan optimal collision-free paths. Simulations performed in different environments demonstrated that the technique provides a high degree of flexibility and robustness. For this, there were applied several variations of genetic parameters such as: crossing rate, population size, among others. Finally, the simulation results successfully demonstrate the effectiveness and robustness of DPNA-GA technique, validating it for real applications in terrestrial mobile robots.

Ensino de teatro e diálogo freireano: uma experiência junto ao PIBID-Teatro/UFRN

This work aims, from the exchange and dialogue with the agents involved in the research process, discuss the ways for planning a Dialogic Teaching Theatre proposed by the Institutional Scholarship Program Introduction to Teaching subproject Theatre UFRN, considering Freire's thought in relation to the dialogue, and the teaching moments (Study of Reality, Knowledge Organization and Application of Knowledge) proposed by the Group of Studies and educational Practices in Movement UFRN. The research develops a joint effort with stakeholders relying on the "dialogical" and "problem-based approach" as mobilizing methodological foundations for the construction of knowledge in both the group PIBID Theatre / UFRN, as the group attended by fellows of this program in Municipal school Professor Laércio Fernandes Monteiro, on Natal-RN. Through a participatory research, a constant movement of action-reflection-action, and making use of some instruments of school ethnography, as participant observation, unstructured interviews, and graphics and textual records, is that it has trodden and built the search this way, experiencing and questioning the experience. Thus, the theoretical framework of this thesis are located on Paulo Freire's work as it relates primarily to the dialogical education, in pedagogical systematization of the Study Group and Educational Practices in Movement (GEPEM / UFRN), and the Research Laboratory of production scenography and scene Technologies (CENOTEC / UFRN), with regard to the construction of an educational process that considers the realities of the subjects in connecting these realities and specific knowledge of the taught area, relationships between specific area and other areas of knowledge, and recognizing the school as a space for dialogue.

Método mãe-canguru: vivência de mães no alojamento conjunto

DAVIM, Rejane Marie Barbosa;ENDERS, Bertha Cruz; DANTAS, Janmilli da Costa; SILVA, Richardson Augusto Rosendo da; NÓBREGA, Edualeide Jeane Pereira Bulhões da. Método mãe-canguru: vivência de mães no alojamento conjunto. Revista da Rede de Enfermagem do Nordeste, Fortaleza, v. 10, n. 1, p. 37-44, jan./mar.2009.