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Research paper thumbnail of Ultrasound Transducers for Large-Scale Metrology: A Performance Analysis for Their Use by the MScMS

IEEE Transactions on Instrumentation and Measurement, Jan 1, 2010

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Research paper thumbnail of MATHEMATICAL MODELS FOR ERROR CORRECTION IN MScMS-II (MOBILE SPATIAL COORDINATE MEASUREMENT SYSTEM)

Series on Advances in Mathematics for Applied Sciences, 2012

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Research paper thumbnail of A Comparison of Two Different Approaches to Camera Calibration in LSDM Photogrammetric Systems

Volume 1: Applied Mechanics; Automotive Systems; Biomedical Biotechnology Engineering; Computational Mechanics; Design; Digital Manufacturing; Education; Marine and Aerospace Applications, 2014

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Research paper thumbnail of The Problem of Distributed Wireless Sensors Positioning in the Mobile Spatial Coordinate Measuring System (MSCMS)

Volume 1: Advanced Energy Systems; Advanced and Digital Manufacturing; Advanced Materials; Aerospace, 2008

ABSTRACT Mobile Spatial coordinate Measuring System (MScMS) is a wireless-sensor-network based sy... more ABSTRACT Mobile Spatial coordinate Measuring System (MScMS) is a wireless-sensor-network based system developed at the Industrial Metrology and Quality Engineering Laboratory of DISPEA – Politecnico di Torino. It has been designed to perform simple and rapid indoor dimensional measurements of medium-large size objects (large scale metrology). It is made up of three basic parts: a “constellation” of wireless devices (Crickets), a mobile probe, and a PC to store and elaborate data. Crickets and mobile probe use ultrasound (US) transceivers in order to evaluate mutual distances. Each US device has a communication range limited by a cone of transmission within a nominal opening angle of about 170° and a maximum distance of no more than 8 m. The mobile probe location in the working volume is obtained by a trilateration, consequently it should communicate with at least 4 constellation devices at once. The system makes it possible to calculate the position — in terms of spatial coordinates — of the object points “touched” by the probe. Acquired data are then available for different types of elaboration (determination of distances, curves or surfaces of measured objects). During the system set-up, the constellation Crickets (beacons) are manually placed in the working volume (we define this operation as “positioning”). After that, their coordinates are determined as much precisely as possible (this operation is said “location”). The positioning of constellation devices is one of the most critical aspects in the system set-up. In principle, Crickets can be arranged without restrictions all around the measured object. However, the number and position of network devices are strongly related to the dimensions and shape of both the measuring volume and the measured object. The accuracy in the location of constellation devices is fundamental for the accuracy of the coordinates of the touched points during measurement operation. It is important to assure a full coverage of the space served by network devices by a proper alignment of US transmitters. For that reason, an ad hoc software “pre-processor” has been developed in order to help the operator in positioning and locating constellation devices in the working volume, according to the measuring space and the measured object dimensional characteristics. The aim of the paper is to introduce and describe this computer-assisted approach. Some preliminary results of experimental tests carried out on the system prototype are also presented and discussed.

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Research paper thumbnail of Large-scale dimensional metrology (LSDM): from tapes and theodolites to multi-sensor systems

International Journal of Precision Engineering and Manufacturing, 2014

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Research paper thumbnail of Scientific journal publishers and omitted citations in bibliometric databases: Any relationship?

Journal of Informetrics, 2014

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Research paper thumbnail of Influence of omitted citations on the bibliometric statistics of the major Manufacturing journals

Scientometrics, 2015

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Research paper thumbnail of Accuracy evaluation of a new stereophotogrammetry-based functional method for joint kinematic analysis in biomechanics

Proceedings of the Institution of Mechanical Engineers. Part H, Journal of engineering in medicine, 2014

The human joint kinematics is an interesting topic in biomechanics and turns to be useful for the... more The human joint kinematics is an interesting topic in biomechanics and turns to be useful for the analysis of human movement in several fields. A crucial issue regards the assessment of joint parameters, like axes and centers of rotation, due to the direct influence on human motion patterns. A proper accuracy in the estimation of these parameters is hence required. On the whole, stereophotogrammetry-based predictive methods and, as an alternative, functional ones can be used to this end. This article presents a new functional algorithm for the assessment of knee joint parameters, based on a polycentric hinge model for the knee flexion-extension. The proposed algorithm is discussed, identifying its fields of application and its limits. The techniques for estimating the joint parameters from the metrological point of view are analyzed, so as to lay the groundwork for enhancing and eventually replacing predictive methods, currently used in the laboratories of human movement analysis. T...

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Research paper thumbnail of International Journal of Quality & Reliability Management

... Subsequently, it has been adopted by numerous business sectors (Curkovic et al., 2000) and nu... more ... Subsequently, it has been adopted by numerous business sectors (Curkovic et al., 2000) and numerous research works have reported positive relationships between the MBNQA elements and organizational performance (Lee et al., 2003; Samson and Terziovski, 1999a). ...

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Research paper thumbnail of Diffusion of ISO 9000 and ISO 14000 certification: an analysis of Italian commodity sectors

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Research paper thumbnail of Introduzione al sistema Mobile Spatial coordinate Measuring System

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Research paper thumbnail of Evolution of ISO 9000 and ISO 14000 certifications in Italian commodities sectors

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Research paper thumbnail of Misura di oggetti di grandi dimensioni: il sistema Mobile Spatial coordinate Measuring System (MScMS)

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Research paper thumbnail of LiU Electronic Press

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Research paper thumbnail of An Innovative Online Diagnostic Tool for a Distributed Spatial Coordinate Measuring System

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Research paper thumbnail of Mobile Spatial coordinate Measuring System: localization and system diagnostics

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Research paper thumbnail of The Mobile Spatial Coordinate Measuring System

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Research paper thumbnail of Self-Diagnostic Tools

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Research paper thumbnail of Cooperative diagnostics for distributed LSDM systems based on triangulation

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Research paper thumbnail of Application of functional methods for kinematical analysis in biomechanics

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Research paper thumbnail of Ultrasound Transducers for Large-Scale Metrology: A Performance Analysis for Their Use by the MScMS

IEEE Transactions on Instrumentation and Measurement, Jan 1, 2010

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Research paper thumbnail of MATHEMATICAL MODELS FOR ERROR CORRECTION IN MScMS-II (MOBILE SPATIAL COORDINATE MEASUREMENT SYSTEM)

Series on Advances in Mathematics for Applied Sciences, 2012

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Research paper thumbnail of A Comparison of Two Different Approaches to Camera Calibration in LSDM Photogrammetric Systems

Volume 1: Applied Mechanics; Automotive Systems; Biomedical Biotechnology Engineering; Computational Mechanics; Design; Digital Manufacturing; Education; Marine and Aerospace Applications, 2014

Bookmarks Related papers MentionsView impact

Research paper thumbnail of The Problem of Distributed Wireless Sensors Positioning in the Mobile Spatial Coordinate Measuring System (MSCMS)

Volume 1: Advanced Energy Systems; Advanced and Digital Manufacturing; Advanced Materials; Aerospace, 2008

ABSTRACT Mobile Spatial coordinate Measuring System (MScMS) is a wireless-sensor-network based sy... more ABSTRACT Mobile Spatial coordinate Measuring System (MScMS) is a wireless-sensor-network based system developed at the Industrial Metrology and Quality Engineering Laboratory of DISPEA – Politecnico di Torino. It has been designed to perform simple and rapid indoor dimensional measurements of medium-large size objects (large scale metrology). It is made up of three basic parts: a “constellation” of wireless devices (Crickets), a mobile probe, and a PC to store and elaborate data. Crickets and mobile probe use ultrasound (US) transceivers in order to evaluate mutual distances. Each US device has a communication range limited by a cone of transmission within a nominal opening angle of about 170° and a maximum distance of no more than 8 m. The mobile probe location in the working volume is obtained by a trilateration, consequently it should communicate with at least 4 constellation devices at once. The system makes it possible to calculate the position — in terms of spatial coordinates — of the object points “touched” by the probe. Acquired data are then available for different types of elaboration (determination of distances, curves or surfaces of measured objects). During the system set-up, the constellation Crickets (beacons) are manually placed in the working volume (we define this operation as “positioning”). After that, their coordinates are determined as much precisely as possible (this operation is said “location”). The positioning of constellation devices is one of the most critical aspects in the system set-up. In principle, Crickets can be arranged without restrictions all around the measured object. However, the number and position of network devices are strongly related to the dimensions and shape of both the measuring volume and the measured object. The accuracy in the location of constellation devices is fundamental for the accuracy of the coordinates of the touched points during measurement operation. It is important to assure a full coverage of the space served by network devices by a proper alignment of US transmitters. For that reason, an ad hoc software “pre-processor” has been developed in order to help the operator in positioning and locating constellation devices in the working volume, according to the measuring space and the measured object dimensional characteristics. The aim of the paper is to introduce and describe this computer-assisted approach. Some preliminary results of experimental tests carried out on the system prototype are also presented and discussed.

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Research paper thumbnail of Large-scale dimensional metrology (LSDM): from tapes and theodolites to multi-sensor systems

International Journal of Precision Engineering and Manufacturing, 2014

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Scientific journal publishers and omitted citations in bibliometric databases: Any relationship?

Journal of Informetrics, 2014

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Influence of omitted citations on the bibliometric statistics of the major Manufacturing journals

Scientometrics, 2015

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Accuracy evaluation of a new stereophotogrammetry-based functional method for joint kinematic analysis in biomechanics

Proceedings of the Institution of Mechanical Engineers. Part H, Journal of engineering in medicine, 2014

The human joint kinematics is an interesting topic in biomechanics and turns to be useful for the... more The human joint kinematics is an interesting topic in biomechanics and turns to be useful for the analysis of human movement in several fields. A crucial issue regards the assessment of joint parameters, like axes and centers of rotation, due to the direct influence on human motion patterns. A proper accuracy in the estimation of these parameters is hence required. On the whole, stereophotogrammetry-based predictive methods and, as an alternative, functional ones can be used to this end. This article presents a new functional algorithm for the assessment of knee joint parameters, based on a polycentric hinge model for the knee flexion-extension. The proposed algorithm is discussed, identifying its fields of application and its limits. The techniques for estimating the joint parameters from the metrological point of view are analyzed, so as to lay the groundwork for enhancing and eventually replacing predictive methods, currently used in the laboratories of human movement analysis. T...

Bookmarks Related papers MentionsView impact

Research paper thumbnail of International Journal of Quality & Reliability Management

... Subsequently, it has been adopted by numerous business sectors (Curkovic et al., 2000) and nu... more ... Subsequently, it has been adopted by numerous business sectors (Curkovic et al., 2000) and numerous research works have reported positive relationships between the MBNQA elements and organizational performance (Lee et al., 2003; Samson and Terziovski, 1999a). ...

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Diffusion of ISO 9000 and ISO 14000 certification: an analysis of Italian commodity sectors

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Introduzione al sistema Mobile Spatial coordinate Measuring System

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Evolution of ISO 9000 and ISO 14000 certifications in Italian commodities sectors

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Misura di oggetti di grandi dimensioni: il sistema Mobile Spatial coordinate Measuring System (MScMS)

Bookmarks Related papers MentionsView impact

Research paper thumbnail of LiU Electronic Press

Bookmarks Related papers MentionsView impact

Research paper thumbnail of An Innovative Online Diagnostic Tool for a Distributed Spatial Coordinate Measuring System

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Mobile Spatial coordinate Measuring System: localization and system diagnostics

Bookmarks Related papers MentionsView impact

Research paper thumbnail of The Mobile Spatial Coordinate Measuring System

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Self-Diagnostic Tools

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Cooperative diagnostics for distributed LSDM systems based on triangulation

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Application of functional methods for kinematical analysis in biomechanics

Bookmarks Related papers MentionsView impact