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News LEARNING MORE ABOUT THE TECHNOLOGY USED IN THAI SOCCER TEAM RESCUE


The harrowing ordeal of a Thai soccer team trapped in a water-filled cave gripped the world’s attention for more than two weeks in June and July 2018. It was a complicated and daring rescue, but little has been said about the amazing technology that helped make their rescue possible. Mouser Electronics recently had the rare


opportunity to speak with Uzi Hanuni, founder and CEO of Maxtech Networks, to learn more about the company’s innovative MaxMesh technology that was crucial in the rescue. Rescuers faced many challenges after locating


the trapped boys and their coach in the Tham Luang Nang Non cave in Thailand. Normal radio signals were blocked by cave walls. Water from the monsoon season posed additional challenges. Learning of the situation, Hanuni dispatched an engineer and several of his MaxMesh radios to the scene. Hanuni’s revolutionary system essentially established a relay network throughout the two miles of twists, turns and partially submerged areas of the tunnel, enabling rescuers to connect, share, collaborate and ultimately bring the team to safety. “Our technology is based on creating a mesh


network of software-defined radios [SDRs]. SDRs are radio communication systems using software on a personal computer or embedded system,” Hanuni explained. “Every time you switch on a radio, it automatically joins the network. Each radio is also a relay, and the intelligent frequency modulation algorithms are built into the radios. They can transmit video, voice and data simultaneously.” Hanuni’s interest in devising a better form of


communication technology arose after the attacks of 11 September 2001, as he saw many first responders cut off after the World Trade Centre towers collapsed and their radio antennas were damaged. “I thought the technology we needed to


develop had to work automatically so that you switch on the radio and suddenly it’s connected - peer-to-peer groups, multicast, unicast, broadcast, whatever you want. And you have it there with no need to preconfigure the radios,” Hanuni continued. “It took us a few years to develop the sophisticated algorithm and the technology that works indoors, outdoors, underground, above ground, in all places automatically with no human interference or involvement.


TORQUE TRANSDUCER PARTNERSHIP AGREEMENT


Trescal has entered a partnership agreement with STAHLWILLE UK. Trescal are now the sole STAHLWILLE approved UK calibration service provider for STAHLWILLE torque transducers to BS7887:2008. These devices were


previously being returned to the STAHLWILLE laboratory in Germany for adjustment and recalibration. The new UK service offering will significantly improve turn- around-times for STAHLWILLE and Trescal customers. Trescal is also an approved service partner for calibration and repair


of STAHLWILLE hand torque tools. Furthermore, at this time Trescal are currently the only approved UK service centre to offer accredited calibration in accordance with the ISO 6789:2017 standard. Paul Elliott, managing director, STAHLWILLE UK, stated: “Having


forged a close relationship with Trescal during their investment in a number of our perfectControl calibration systems, STAHLWILLE UK recognised their capability and expertise. We were keen to work with Trescal to develop a UK capability for calibration and service, not only of STAHLWILLE torque transducers, but also of hand torque tools to the new ISO 6789:2017 standard. We are delighted to be able to partner with Trescal and we are sure that customers will really benefit from this partnership.” Dirk Stans, UK sales director, Trescal, stated: “This partnership will


bring many benefits to our joint customers, including assistance with their transition to the ISO 6789:2017 standard.”


www.trescal.com 6 “Our technology can be encapsulated in


various forms. The Mini PCI Express card [we use] is our own technology, only it has a field- programmable gate array (FPGA). This is the key fundamental component. We are using the Analog Devices AD9364 high-performance, highly integrated radio frequency Agile transceiver for communications. In addition, we are also using the Samsung ARTIK 7, which is a module that offers great performance for high-end gateways with local processing and analytics to improve latency and responsiveness. With the ARTIK 7 is an Intel Cyclone III FPGA.”


www.mouser.com


X-RAY TECHNOLOGY SET FOR UK PRODUCTION


Ploughshare Innovations has agreed a licence deal with Axi-Tek for a novel x- ray technology which will be used to develop the next generation of safe and rapid inspection equipment. Developed by the Defence,


Science and Technology Laboratory (Dstl), the new technology produces higher resolution images while simplifying product design. The first product to take advantage of the new technology will be the


Axi-Tek CSI-100 which will make the inspection of aircraft components quicker and easier due to its reduced size and weight. Future products will cater for applications as wide-ranging as factory in-line and in-field industrial inspection, to security and bomb disposal. The new technology improves the mechanism used to control an x-


ray beam. Called a collimator, just as a lens focuses light, a collimator directs and filters x-rays to ensure objects are correctly illuminated. This novel design of collimator is much lighter, provides a more consistent beam, and is mechanically simpler to implement. The CSI-100 will use the advanced technique of detecting reflected x-


rays (backscatter) to image objects. This has the advantage that access to only one side of an object is required, allowing operators to inspect, identify and verify the internal structure and contents without needing access to all sides or needing to move it. The technology will be suitable for the inspection of carbon fibre aircraft


wings where it can detect impact damage hidden deep in a wing structure. The CSI-100 will be tailored for this non-destructive inspection application for reinforced carbon and glass fibre components in aircraft structures.


www.axi-tek.com September 2018 Instrumentation Monthly


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