QMT Features: October 2009
LVMC 2009
The 2009 Large Volume Measurement Conference (LVMC), hosted by Airbus, looks to encourage measurement system users from a wide range of industries to attend.  www.lvmc.org.uk.

The Large Volume Metrology Conference (LVMC) has relocated to Chester Racecourse for 2009 and will take place on Tuesday 3rd and Wednesday 4th November. Hosted by Airbus, the LVMC focuses on portable and large volume 3D measurement technology  and combines technical conference sessions with an exhibition of system suppliers from across the globe. The event is aimed at system users, engineers, academia, standards institutes and system suppliers, providing an annual opportunity to learn about the latest technology and see what’s new on the market.

Industry specialists will be flying in from France, Germany and the USA to present at the event, and will be joined by experts from three of the top UK universities in the field. Organisers say, “We have a particularly strong conference programme this year and are delighted to have contributors from a variety of sectors including Earth Sciences, automotive and aerospace. We’re always looking to widen our audience and hope that this will encourage users from more of the many industries that use measurement technology to attend.”

The 2009 conference programme includes presentations from Durham University featuring the BBC’s Hottest Place on Earth programme, University College London, University of Warwick and the National Physical Laboratory, along with international contributions from VMT, Metris, University Karlsruhe, BuildIT Software Solutions and New River Kinematics.

Conference presentations

Simulation, Modelling and Development of the Metris RCA
Dr John Thornby (Email: John.Thornby@warwick.ac.uk)  and Redland Sanders, of the University of Warwick, United Kingdom, in partnership with Metris, will present on Simulation, Modelling and Development of the Metris Robot CMM Arm (RCA). 
The RCA is a highly accurate 7-axis articulated arm is housed within a robotized exoskeleton driven by electromotors. Utilising  CAD software (SolidWorks and Catia), the presenters create an offline virtual model to allow assessment of optimal placement of the RCA relative to scan specimens, obviating the need for expensive and resource intensive trial and error using physical prototypes.

Form/Measurement/Sampling Error Analysis for GD&T Analysis Methodologies
Scott Sandwith, from New River Kinematics (Email: scott@kinematics.com), asserts that measurement systems that collect large dense point clouds are not commonly used in GD&T inspection processes. Scott will examine how to  confidently determining GD&T pass/fail criteria against the tolerance by using simple statistics to enable larger sample sizes to improve results.

In his presentation, Building the hottest 3D volcano,  presenter Dr Dougal Jerram (Email: d.a.jerram@durham.ac.uk), earth scientist and lecturer from Durham University of the  United Kingdom,  will talk about his exploits on a science expedition into the hottest place on Earth on a journey to capture a real volcano in 3D.
The Afar desert in Ethiopia was the scene for the BBC series Hottest Place on Earth, and for Dougal this was an adventurous and logistically difficult challenge to get a 3D laser scanner up close to active fissures and volcanoes. His talk will provide an insight into this expedition and how some 3D technologies can be used in the field.

In-flight photogrammetric imaging of parachutes
Presenter Prof Stuart Robson, Professor of Photogrammetry and Laser Scanning, University College London (UCL), United Kingdom (Email: srobson@cege.ucl.ac.uk) will outline how parachute systems play a critical role in many science and military missions for NASA and the US Dept of Defense.. He will outline experiments to  validate the concept of parachute shape measurement conducted in a controlled, indoor environment using both fixed and payload cameras

Claudia Depenthal from the University of Karlsruhe, Germany, (Email: depenthal@gik.uni-karlsruhe.de)  will  present on A-TOM – A new System for 6-DOF
The position of an object in three-dimensional space is defined by the position and orientation and is described by six degrees of freedom (6-DOF). An object can be a mid-range surface scanner, a CMM arm or a fixed camera for example. For enlargement of the workspace, 6-DOF navigation is needed for re-positioning the measuring tools. For this task, the 6-DOF adapter A-TOM (Adapter to a Tracking Optical Measurement system) was developed.

The Performance evaluation of fringe and laser triangulation systems for the measurement of metallic surfaces  will be presented by Andrew Brownhill, University College London (UCL), United Kingdom (ucfsadb@ucl.ac.uk)
Developments in Large Volume Measurement  training will be presented by Dr. Stephen Kyle, University College London, and Keith Bevan,  National Physical Laboratory.(www.npl.co.uk)

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