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Technical Discussions
Gian-Alessio
Germany, Joined Oct 2019, 2

Gian-Alessio

Germany,
Joined Oct 2019
2
14:25 Jan-15-2020
Tracked Ultrasound Probes

Hey Guys!
I just saw this video: https://www.youtube.com/watch?v=xmQG3b1I9Fs

First of all I wanted to ask you, if you know more Systems like that, where they track the exact position of the Ultrasound probe ? So far I have only seen Probes, where the position in one direction is tracked by a wheel.

Second I couldnt find much informations for the Camus3D System, its clear how they track the probe, but how do they track the Position of the tested part? Is there any information or paper that describes that?

Thank You!


 
 Reply 
 
Patrick Tremblay
Sales, -
Zetec, Canada, Joined Nov 2010, 29

Patrick Tremblay

Sales, -
Zetec,
Canada,
Joined Nov 2010
29
20:02 Jan-15-2020
Re: Tracked Ultrasound Probes
In Reply to Gian-Alessio at 14:25 Jan-15-2020 (Opening).

Hi Gian-Alessio,

I am aware of another similar system which uses a stereoscopic camera for tracking the position of a probe and map a live C-Scan image. You can find the complete technical paper here:

https://www.ndt.net/article/aero2019/papers/fp_fri2a3_a_beausoleil.pdf

This system is based on Zetec's TOPAZ PA UT platform and Northern Digital's Polaris Vega camera.

Enjoy the read!

 
 Reply 
 
Daniel Braun
Daniel Braun
22:41 Jan-15-2020
Re: Tracked Ultrasound Probes
In Reply to Gian-Alessio at 14:25 Jan-15-2020 (Opening).

Airborne ultrasound encoder for the mechanics free encoded XY scanning on the flat and curved surfaces is portable and field field proven for more than 20 years already, refer for example to:

http://www.sonotronndt.com/article.asp?ArtID=7

http://www.sonotronndt.com/article.asp?ArtID=14

there is a number of retro-videos available here

http://www.sonotronndt.com/i2006.htm

under <C-Scan> and <Weld Inspection Tabs> - there are more than 1000 ISONIC 2006 units are still in use around the Globe, mainly for corrosion mapping and SRUT GW inspection but before PA era they were used for the weld inspection and recording intensively

Since more than 3 years ago we have solution based on the new platform for ISONIC 3500 series instruments - refer to

https://www.ndt.net/search/docs.php3?id=20198

It may work with the conventional and PA probes and may be connected to the instrument through USB cable or directly to incremental encoder terminal, the operation is very simple, the main applications are o-deg inspection (corrosion mapping or flaw detection) and SRUT GW inspection, some videos may be found here

http://www.sonotronndt.com/i3505.htm

under <C-Scan> tab, the links to the videos are:

https://youtu.be/ZWFuYja-Mnk
https://youtu.be/4JzEblRyKHA
https://youtu.be/C6o2vsMtZnQ
https://youtu.be/53bbPQPKqWs
https://youtu.be/GY60jJZgYpU
https://youtu.be/A_kPY-d8E5s

100% raw data recording is provided along with the imaging

 
 Reply 
 
J.B.
J.B.
01:20 Jan-16-2020
Re: Tracked Ultrasound Probes
In Reply to Daniel Braun at 22:41 Jan-15-2020 .

I remember that about 30years ago we got from UK a brochure about a system called SeeScan - today it is sold by TÜV Rheinland, see https://www.tuv.com/content-media-files/master-content/services/industrial-services/1303-tuv-rheinland-corrosion-mapping-(seescan%C2%AE)/tuv-rheinland-flyer-ndt-corrosion-mapping-en.pdf
It was originally developed by AEA in UK, and it seemed that it went through different companies, e.g. check this posting from 2004: https://www.ndt.net/forum/thread.php?msgID=20739%2320739. I remember that i had a flyer from Sonomatics, who sold the system - just check here, it is still available: http://www.vsonomatic.com/index.php?page=services-and-applications&objectid=282.

Another UK development came from NDT Consultants LTD called FreeScan, They withdrew it from their homepage as a product, but it still mentioned. I found a Facebook post: https://www.facebook.com/ndtconsultantsltdcoventry/photos/a.467281343377028/469834879788341/?type=3. It was ready to use with an Omniscan with plug & play. Only a small reflective dot had to be placed on the array probe, and optical system located the probe and the scan software of the Omniscan just used the FreeScan position data as indexer data to display large c-Scans.

DolphiCam also offered a tracking system with Metronor
https://www.dolphitech.com/dolphitech-and-metronor-announce-position-aware-ndt-systems/

CNDE proposed a generic scanner (GenScan) http://faculty.washington.edu/scottcs/NSF/2014/CNDE.pdf

The Sonotron Isonic solution is mentioned above, based on acoustic triangulation. It is rather long on the market, I know it from 2002 when we bought a first system.

There had been several systems based on triangulation on the market, already in the late 1980ties/early 1990ies, i had a long time a flyer of an American system in my desk, don't remember the brand anymore. There had been system on the market using optical triangulation with IR diodes on the probe, I guess phoenix NDT in Britain offered an electromagnetic triangulation solution.

There had been also solutions developed using tracking systems originally developed for whiteboards to transfer the pen moves directly into the PC (also optical or electromagnetic tracking. Also systems derived from Virtual Reality systems, there used to track VR goggles

Also a system like this <https://www.ndigital.com/medical/products/polaris-vega/> had been adapted

Boeing proposed some years ago AUNDI - Autonomous NDE and the Rover was tracked b several aerial tracking cameras - see e.g. https://www.ndt.net/article/aero2013/content/papers/60_Georgeson_Rev2.pdf

Like the Boeing installation also the TECNATOM Product WiiPA is a rather big installation to track a human inspector while scanning big parts: see http://tecnatom-ndt.com/wp-content/uploads/2014/12/TE_WiiPA_brochure_1.pdf

That’s for short what I remember fitting your question.






 
 Reply 
 
Hi Gian-Alessio
Consultant, owner of business
NTS Ultrasonics Pty Ltd, Australia, Joined Oct 2012, 116

Hi Gian-Alessio

Consultant, owner of business
NTS Ultrasonics Pty Ltd,
Australia,
Joined Oct 2012
116
10:09 Jan-16-2020
Re: Tracked Ultrasound Probes
In Reply to Gian-Alessio at 14:25 Jan-15-2020 (Opening).

Hi Gian-Alessio.
Another probe tracking system that was on the market for a while was the ShaftScan system developed in Australia. This was a terrific system for inspection large diameter shafts and axles, but is no longer available, as far as I am aware. This system used a video camera in a manner similar to SeeScan.
I designed a tracking system for a client, also for shafts, using a rotary and a string pull linear encoder to track the probe radially, rather than X-Y. It was never commercialized. I also designed an X-Y tracker using air borne ultrasound for another client, also never commercialized. This was used for inspecting off-road tyres.
If you are a bit handy with making things, it is a fun project to make a probe tracker, and with some work, the positioning can be quite accurate.
John Norman

 
 Reply 
 

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