Mauricio de Oliveira

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—This paper provides a closed-form analytical solution to the motion planning problem for the Snakeboard. Given a desired planar trajectory in the fiber space, an explicit solution is computed for the gaits in the base space that locomote the Snakeboard along the desired trajectory. This is achieved by introducing a new momentum-like variable that(More)
OBJECTIVE To evaluate the persistence of nutritional deficit in a sample of schoolchildren. METHODS A cross-sectional study of 1,761 schoolchildren between 6 and 10 years from 3 schools. They were assessed by Z scores of weight for height and height for age, according to the World Health Organization. The variables studied were gender, age, grade and(More)
This paper discusses the development of a networked robotic system created for musical performance via group and audience interaction. Exploring acoustic communications in a group or swarming setting is an emerging field of research that will allow robots to sense the environment and interact with each other using short range natural medium of sounds and(More)
In this paper, we take a rather new approach to solving the motion planning problem for principally kinematic systems, that is, systems whose dynamics is completely specified by the right number of nonholonomic constraints. Given a planar curve in the Special Euclidean group, we analytically solve for the base variables that locomote the principally(More)
In this work we report on modeling the demand for Emergency Medical Services (EMS) in Tijuana, Baja California, Mexico, followed by the optimization of the location of the ambulances for the Red Cross of Tijuana (RCT), which is by far the largest provider of EMS services in the region. We used data from more than 10,000 emergency calls surveyed during the(More)
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