Dipartimento d'Ingegneria

Engineering design and metallurgy - Progettazione industriale, costruzioni meccaniche e metallurgia

The research interests of the group include all tools and methods related to any stage of product design and manufacturing.
At present the activity is mainly focussed on the following areas: machine design; system dynamics; structural mechanics; computer-aided engineering (including finite elements analysis, computational fluid dynamics and multi-body simulation); fatigue mechanics; random loads fatigue; comfort evaluation; motion sickness analysis; product design; design tools and method in Engineering; engineering drawing; computer-aided design; design for life-cycle; tolerance analysis; machine vision and machine learning for industrial applications.

This presentation show a multibody tool developed by Machine Design research group to be used in the field of Virtual Prototyping, able to allow engineers and designers to evaluate the kinematic and dynamic behavior of rigid, front suspended and full suspended bikes through a paramtric, non linear multibody model. Very interesting could be its application for the estimation of bike fatigue behaviour both in time and in frequency domain. 

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The Italian patent and trademark office recently approved a patent application about an innovative apparatus for acquiring a plurality of surface images of at least one body and related methods. The invention, which is the result of a cooperation between the Department of Engineering, Mondial Marmi Srl and colleagues from the University of Vigo (Spain) is composed of optical means for image acquisition and one dome-shaped illuminator provided with one inferior basement  to integrally hold the object to acquire. On top of the dome is a rotatable device for revolving the optical means about a rotation axis in a controlled manner. The apparatus is particularly suitable for acquiring images of industrial and hand-made products such as - but not limited to - natural stone, wood, ceramics, textiles, etc.

PatentDrawing

Reference: Apparato per acquisire una pluralità di immagini di almeno un corpo e relativo metodo (Apparatus to acquire a plurality of images of at least one body and related method), IT patent no. 001413266, filed on July 25, 2012; granted on January 16, 2015. Assignee: Mondial Marmi Srl. Inventors: F. Bianconi, A. Fernández, E. González and S.A. Saetta.

Dispense Prof. Claudio Braccesi

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Scritto da Martedì, 03 Marzo 2015 10:10
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The tumour-stroma ratio (TSR) is an independent prognostic factor in a wide number of oncologic diseases. Accurate and reproducible estimation of TSR therefore plays a central role in patient stratification and follow-up. The use of features directly related to human perception makes it possible to evaluate the tissue's appearance on the basis of a set of meaningful parameters. In this work we proposed and evaluated the capability of the following five visual features to correctly discriminate epithelium from stroma in digitised tissue micro-arrays of colorectal cancer: coarseness, contrast, directionality, line-likeliness and roughness. The experiments demonstrated that the proposed approach can correctly discriminate epithelium from stroma with state-of-the-art accuracy.

Epithelium
Epithelium

Stroma
Stroma


Source:
F Bianconi, A. Álvarez-Larrán and A. Fernández, Discrimination between tumour epithelium and stroma via perception-based features, Neurocomputing, 154:119-126,2015.

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