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PORTO Publications Open Repository TOrino
Institutional Repository
6636 Publications
OpenAIRE 2.0+ (DRIVER OA, EC funding)
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  • A Real Time Distributed Approach to Collision Avoidance for Industrial Manipulators

    Robot interaction with the surrounding environment is an important and newsworthy problem in the context of industrial and service robotics. Collision avoidance gives the robot the ability to avoid contacts with objects around it, but most of the industrial controls implementing collision avoidance checks only the robot Tool Center Point (TCP) over the objects in the cell, without taking into account the shape of the tool, mounted on the robot flange. In this paper a novel approach is propose...

    Image Segmentation Applied to the Study of Micrographs of Cellular Solids

    The paper is proposing a method of image segmentation applied to the study of the micrographs of cellular solids. The segmentation is based on a thresholding which creates a binary (black and white) image of the micrograph. The binary image is divided in super-pixels which correspond to the microcells of the material. From the areas of the super-pixels it is easy to evaluate the distribution of the size of the cells and correlate this distribution to the properties of the material.

    Measuring power consumption in an integrated circuit

    A method for determining power consumption of a power domain within an integrated circuit is presented. In a first step, a local power supply impedance profile (Z(f)) of this power domain is determined. Subsequently, a local time-resolved power supply voltage (U(t)) is measured while a well-defined periodic activity is executed in power domain. A set of time-domain measured voltage data (U(t)) is thus accumulated and transformed into the frequency domain to yield a voltage spectrum (U(f)). A ...

    Fluctuations in nonequilibrium statistical mechanics:models, mathematical theory, physical mechanisms

    The fluctuations in nonequilibrium systems are under intense theoretical and experimental investigation. Topical ‘fluctuation relations' describe symmetries of the statistical properties of certain observables, in a variety of models and phenomena. They have been derived in deterministic and, later, in stochastic frameworks. Other results first obtained for stochastic processes, and later considered in deterministic dynamics, describe the temporal evolution of fluctuations. The field has grow...
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