5 février 2024 | International, Aérospatial

Boeing pushes back T-7 plans due to faulty parts

Boeing said the companies that produced the parts with quality problems acted quickly to fix them, and it is moving to finish building the final test jets.

https://www.defensenews.com/air/2024/02/05/boeing-pushes-back-t-7-plans-due-to-faulty-parts/

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  • DARPA Awards Six Teams During Final Spectrum Collaboration Challenge Qualifier

    20 décembre 2018 | International, C4ISR

    DARPA Awards Six Teams During Final Spectrum Collaboration Challenge Qualifier

    On December 12, DARPA held the second preliminary event of the Spectrum Collaboration Challenge (SC2) – the world's first collaborative machine-intelligence competition to overcome spectrum scarcity. Fifteen teams represented by members from across the academic, commercial and defense landscapes gathered at Johns Hopkins University Applied Physics Laboratory (APL) to pit their intelligent radio designs against each other in a head-to-head competition. At the event's conclusion, six of the eight top-scoring teams walked away with $750,000 each in prize money. While not all competitors received interim prizes, all 15 teams have an opportunity to move on to the next stage and compete in the 2019 Spectrum Collaboration Challenge grand finale, which will be held in conjunction with MWC19 Los Angeles, in partnership with CTIA, on October 23, 2019. The six prize-winning teams from the second preliminary event are: Zylinium, a team of independent researchers MarmotE from Vanderbilt University Sprite from Northeastern University Erebus, a team of independent researchers Gator Wings from University of Florida SCATTER from IDLab, an imec research group at Ghent University and University of Antwerp, and Rutgers University "During the second preliminary event we witnessed a technological shift," said Paul Tilghman, the DARPA program manager leading SC2. "For the first time, we saw autonomous collaboration outperform the status quo for spectrum management." Starting in early December, each team's radio participated in 105 matches against competitors in the Colosseum, a massive RF testbed that was developed specifically for SC2. The matches were held in a round-robin fashion where each radio network – working in groups of threes, fours or fives – had multiple opportunities to compete against every other radio design in the competition. Roughly 400 matches were held in total to determine the final team rankings and the prize recipients. During the PE2 matches, teams were put through six different RF scenarios designed to mimic the challenges that collaborative, autonomous radios will face in the real world. These scenarios challenged the radios to collaboratively mitigate interfering with an incumbent radio system, sense and adapt to the spectrum demands of high-traffic environments, handle the data demands of the connected soldier of the future, and beyond. Each scenario was designed to pressure test various elements of the teams' approaches and, in particular, their ability to successfully collaborate with the other radios operating within the same environment. “The six different scenarios were closely aligned to actual situations that our defense and commercial systems face in the field. The Wildfire scenario, for example, replicates the complex communications environment that surrounds an emergency response situation, while the Alleys of Austin scenario was designed to mimic what's needed to help dismounted soldiers navigate and communicate as they sweep through an urban environment. This real-world relevance was critical for us as we want to ensure these technologies can continue to develop after the event and can transition to commercial and/or military applications,” said Tilghman. The sixth scenario of the competition was used to determine the six prize winning teams. This scenario explored the essential question of the SC2 competition: can the top teams' collaborative SC2 radios outperform the status quo of static allocation? Each of the six teams that received awards at PE2 demonstrated that their radio was capable of carrying more wireless applications without the aid of a handcrafted spectrum plan, while simultaneously ensuring four other radio networks operating in the same area had improved performance. In short, each of these six radio networks demonstrated the autonomous future of the spectrum. To aid with decision making, teams applied AI and machine learning technologies in various ways. Some leveraged the current generation of AI technologies like deep learning, while others used more conventional optimization approaches. There were also a few teams that used first wave, rule-based AI technologies. “We're very encouraged by the results we saw at PE2. The teams' radios faced new and unexpected scenarios but were still able to demonstrate smart, collaborative decision making. PE2 showed us that AI and machine learning's application to wireless spectrum management creates a very real opportunity to rethink our current century-old approach,” said Tilghman. The competition now enters its third year and moves closer to the finale, which will be held at one of the country's largest annual technology and telecommunications shows – MWC19 Los Angeles. More than 22,000 attendees from the broad mobile ecosystem and adjacent industry sectors will convene at this three-day event to discuss the current opportunities and future trends shaping the industry. The SC2 championship event will be held on the keynote stage of MWC19 Los Angeles on October 23, 2019. At the conclusion of SC2's finale, three teams will be awarded $2 million, $1 million and $750,000, respectively, for first, second and third place. The real prize, however, will be the promise of a more efficient wireless paradigm in which radio networks autonomously collaborate to determine how the spectrum should be used moment-to-moment, helping to usher in an era of spectrum abundance. For more information about DARPA's Spectrum Collaboration Challenge, please visit: https://spectrumcollaborationchallenge.com/ https://www.darpa.mil/news-events/2018-12-19

  • DARPA contract aims to design circuits in months, not years

    20 septembre 2018 | International, Aérospatial, C4ISR

    DARPA contract aims to design circuits in months, not years

    By: Brandon Knapp The Defense Advanced Research Agency announced an $8 million contract modification for the University of Southern California's Information Sciences Institute to work on a program that develops circuits that be quickly adapted rather than wholesale reinvented. The work is part of DARPA's Circuit Realization at Faster Timescales (CRAFT) research program. The modification brings the total value of the contract to $28 million, according to a Sept. 17 announcement from the Pentagon. The program is designed to dramatically shorten the design cycle and the expense numbers for custom integrated circuits, which are essential in a wide variety of military equipment such as drones and tactically useful 3D imagery production. Currently, it can cost up to $100 million and take more than two years to design these circuits, according to a DARPA release. The CRAFT program aims to cut that timeline down to a matter of months. “Reducing the time and cost for designing and procuring custom, high-efficiency integrated circuits, should drive more of those in the DoD technology community toward best commercial fabrication and design practices,” CRAFT program manager, Dr. Linton Salmon in a program information release. “A primary payoff would be a versatile development environment in which engineers and designers make decisions based on the best technical solutions for the systems they are building, instead of worrying about circuit design delays or costs.” Work will be performed by USC in Marina Del Ray, California, with an expected completion date of December 2019. DARPA has been working on the program since 2015. https://www.c4isrnet.com/industry/2018/09/19/darpa-contract-aims-to-design-circuits-in-months-not-years

  • Eurofighter: flight tests continue with the E-SCAN radar

    3 juin 2020 | International, Aérospatial

    Eurofighter: flight tests continue with the E-SCAN radar

    May 29, 2020 - A Eurofighter flight test campaign dedicated to the configuration chosen by Kuwait, with E-SCAN radar and other important enhancements, is certainly demanding and complex. Mario Mutti, Head of Project Test Pilot Fighters and Standardization of Leonardo's Aircraft Division, tells us how it is proceeding. Leonardo ISPA 6 (Instrumented Series Production Aircraft) is the most advanced Eurofighter Typhoon test aircraft with E-SCAN radar and it recently joined the other EF Typhoon test aircraft after the successful completion of an important lay-up in November last year. "The testing campaign for the new radar is particularly demanding - Mario Mutti, Head of Project Test Pilot Fighters and Standardization of Leonardo's Aircraft Division tells - there is a need for very large and dedicated work areas, the support of other aircraft that act as "smart" targets, an extremely accurate post-flight data analysis that involves multiple sites (in Italy and partner Countries) and optimizes the "set-ups" of the next flight. A very complex flight test system. The Italian Air Force contributes in a fundamental way: the aircraft available in support of test flights are always on time and offer a very consistent capability both quantitative and in terms of skill. The complex scenarios planned in flight are possible only thanks to the experience of the military pilots and our two-seater prototype that allows for synergy, even in the cockpit, between test pilot and flight test engineer." This challenging programme was completed as planned notwithstanding the difficulties created by the pandemic conditions under which the teams were operating; all flight test points were tested and all the required evidences obtained to provide final clearance on Kuwait's Typhoon. The tactical advantage given by the radar's Antenna Repositioner – allows a field of regard 50 per cent wider than conventional E-SCAN fixed plate systems - was clearly evident since the early stages of development. "The COVID emergency did not stop us, on the contrary, it strengthened us! - Mutti continues - Very stringent procedures, always in line with national and corporate protocols allowed us to operate with a motivated team that has challenged adversity with great dedication and sense of responsibility. International sharing is actually more difficult and efforts are being made to restore it to maximum effectiveness." With the above flights, ISPA6 has completed the overall P3Eb Flight Test campaign, which represent a significant step forward to allow the delivery of the Eurofighter to the Kuwait Air Force. "The Eurofighter is always an excellent platform – Mutti comments with satisfaction - and demonstrates its extensive development capability already foreseen in the design phase. Ergonomics are even more optimized and the new radar is perfectly integrated into a general growth of capabilities that includes sensors, weapons and increasingly advanced and performing functions”. The Eurofighter Typhoon ISPA 6 ISPA 6 is one of the three EF Typhoon test aircraft equipped with the Electronic Scan Radar made by the EuroRadar Consortium, led by Leonardo UK in Edinburgh, and it's currently allocated to the EF/NETMA P3Eb (Eurofighter Consortium/NATO Eurofighter and Tornado Management Agency - Phase 3 Enhancements Package b) development programme to perform E-SCAN Entry Into Service flight tests and provide final clearance to the Kuwait customer. After its first flight in the current configuration, at the end of last year, on the 3rd of March ISPA 6 started the so-called “E-SCAN XCR#1” flight test campaign and performed several sorties successfully concluded on the 27th of March. The first sorties were performed in cooperation with Leonardo's IPA2 (Instrumented Production Aircraft) test aircraft and the last ones were conducted in cooperation with Eurofighter Typhoons of the Italian Air Force. Recently ISPA 6 has flown to refine ECCM (Electronic Counter-Countermeasures) Radar capabilities, while in the next months will perform final E-SCAN software release certification flights; then will progress flying to test further E-SCAN software capabilities by the end of the year. View source version on Leonardo: https://www.leonardocompany.com/en/news-and-stories-detail/-/detail/eurofighter-flight-tests-continue-with-the-e-scan-radar

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