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Facilities

Facilities Overall view Workshop EWI EMDs Milling 3D printing Other machines Micro EDM Wire EDM Sarix SX200 micro EDM machine: zinc wire machine with a wire EDM unit X – Y table travel: 250 x 150 mm with a height range of +/- 200 mm 4th axis A precision of 0.005 to 0.01 mm can be achieved Working range (XYZ): 350 x 200 x 200 mm Sarix Various Fanuc wire EDM machines, including a six-axis machine Maximum X – Y table travel: 370 x 270 mm with a height of 255 mm Maximum travel of the U and V axes: 60 mm Wire EDM with 0.25 mm and 0.10 mm wire. 0.05 mm wire can be used if necessary. Fanuc wire EDM machine Milling: A wide range of very precise milling work is possible. Fehlman Picomax 825 Versa: Enhanced precision version Precision: 0.001 mm per axis Ability to mill 5 axes simultaneously Equipped with an Erowa zero-point workholding system Fehlman P90, P60, P56 TOP and several P55 machines With the 4th and/or 5th rotation axis Well-suited for carrying out complex fine-precision milling Ability to work with milling depths of up to 0.01 mm. A CNC simultaneous 5-axis milling machine with a maximum table travel of 850 x 700 mm and a height of up to 500 mm Multiple Hermle CNC simultaneous 5-axis milling machines A maximum table travel of 850 x 700 mm and a height of up to 500 mm Maximum workpiece weight: 1400 kg (Hermle C40) CNC simultaneous 3-axis machine (Hermle U1130): A maximum table travel of 700 x 1100 mm and a height of up to 800 mm Various conventional milling machines: Maximum table travel of 600 x 800 Control Panel of Hermle C40U Fehlman Picomax 825 Versa 3D printen plastic 3D Metal printing SLM Metalprinter Plastic 3D printing Two build platforms with different sizes: 1 platform is 115 x 72 x 230 mm with an xy resolution of 30 µm and 1 platform is 84 x 52.5 x 230 mm with an xy resolution of 21.5 µm Both platforms have a z-axis resolution of at least 25 µm. Various types of plastic material can be printed Examples: High temperature resistant material Ceramic-filled plastics Biocompatible materials ABS and rubber-like materials 3D-printer Sisma Mysint 100 PM Building volume of 100 x 100 mm high in diameter In principle, stainless steel is used for printing, but other materials such as aluminium, titanium and bronze are also possible The printer is fitted with a glove box to enable reactive materials such as titanium to be printed. * Sisma Mysint 100 PM metal printer is currently offline due to renovation. It is expected to be available again around mid-December 2024. Sisma Mysint 100 PM DMG Mori Lasertec 30 SLM (voorjaar 2021 in laatste testfase) Powder bed with 300 × 300 × 300 mm construction volume High precision building of 3D parts with layer thicknesses between 20 and 100 µm for maximum productivity Dynamic adjustment of the focus diameter between 70 and 200 µm Application-specific fibre laser sources of 600 W Optimised shield gas volume flow for highest component quality with minimum Argon consumption < 72 l / hour Maximum work safety due to closed material cycle and integrated powder recycling Material exchange via replaceable powder module * DMG Mori Lasertec 30 SLM metaalprinter is momenteel offline vanwege een verbouwing. Naar verwachting zal hij medio december 2024 weer beschikbaar zijn. Lathing Modifying plastic Welding Sheetwork Water jet cutting waterjet cutting machine CNC lathing using powered tools and a controlled C-axis to modify the top surface or the outside of the workpiece in a clamp Conventional lathe with a maximum diameter of 450 mm and a length of 800 mm Maximum modification dimensions: Diameter 275 x 400 mm and diameter 150 x 750 mm There is a separate workplace for modifying plastics Modifications to a wide variety of plastics are possible CNC milling, lathing, sawing and planing Connecting plastics by welding or glueing Bending the plate and tube Laser welding: Trumpf pulsed laser 5004 Max. 5 kW Max. weld spot size 2.236 mm Min. pulse power 250 W max. pulse power 5 kW Min. pulse time 0.2 ms Max. pulse time 50 ms Orbital welding: Diameters of up to 38 mm, including the possibility of welding connectors to the tube Each weld can be recorded and stored in digital form TIG and MIG welding of: Stainless steel Aluminium Steel Cutting 3000 x 8 mm Press-brake bending lengths of up to 3000 mm, 150 tons Rolling of sheets and profiles Various 3D clamping tables for clamping and modifying welding and assembly work. Micro Waterjet Cutter Omax: Work Area: 650 x 650 mm Axes: Controlled X, Y, and A axes; fixed Z axis Precision: High accuracy of 0.01 mm Cutting Range: 0.1 mm to 25 mm material thickness (material dependent). With tilted jet technology, allowing for a clean perpendicular cut on one side, avoiding tapering. Cutting Pressure: 2800 bar (water exits the nozzle at 300 m/s) Options: Automatic abrasive feed system, abrasive extraction system with hopper, water softener. This machine is highly suited for precision cutting in a wide range of materials, offering flexibility and accuracy in complex cutting tasks. For the most up-to-date information, please contact Leon Roessen: info-demo@tudelft.nl

Research

Computer Engineering Item 1 of 1 Research Our research is focused on 3 domains with the following challenges: Liquid Architectures : Due to the increased System-on-Chip (SoC) complexity where adaptivity, reconfigurability and composability are viewed as key system features, this line of research investigates how to make e.g. the processor architecture runtime adaptable to the application requirements and the available hardware resources. Topics are: workload characterization, hardware/software co-design, reconfigurable VLIW processor architectures (rVEX). Dependable Nano Computing : Driven by three major challenges: 1) technology scaling (causing extreme variability, reduced reliability, …), 2) globalization of IC supply chain (demanding re-assess of trust in hardware, IP protection, …) and 3) Internet of things (demanding secure End-to-End solutions, user privacy & data protection, …) , this research pillar focuses on three topics: 1) Reliability (including modelling, monitoring, mitigation, ….), 2) Testability (including Fault Modeling and Design-for-Testability for 3D stacked ICs and emerging memories), and 3) Hardware security (including PUF technology, secure design, etc). In-Memory Computing : One of the most critical challenges for today’s and future data-intensive and big-data problems is data storage and analysis. The primary goal is to increase the understanding of processes by extracting highly useful values hidden in the huge volumes of data. The increase of the data size has already surpassed the capabilities of today’s computation architectures, which suffer from the limited bandwidth, energy inefficiency and limited scalability. In-Memory-Computing research targets the development, the design and the demonstration of a new architecture paradigm for big data problems; it is based on the integration of the storage and computation in the same physical location (using a crossbar topology) and the use of non-volatile resistive-switching technology, based on memristors, instead of CMOS technology. Accelerated Big Data Systems Graphene & Spin Wave Computing

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Students Amos Yusuf, Mick Dam & Bas Brouwer winners of Mekel Prize 2024

Master students Amos Yusuf, from the ME faculty (Mick Dam, from the EEMCS faculty and graduate Bas Brouwer have won the Mekel Prize 2024 for the best extra scientific activity at TU Delft: the development of an initiative that brings master students into the classroom teaching sciences to the younger generations. The prize was ceremonially awarded by prof Tim van den Hagen on 13 November after the Van Hasselt Lecture at the Prinsenhof, Delft. They received a statue of Professor Jan Mekel and 1.500,- to spend on their project. Insights into climate change are being openly doubted. Funding for important educational efforts and research are being withdrawn. Short clips – so called “reels” – on Youtube and TikTok threaten to simplify complex political and social problems. AI fakes befuddle what is true and what is not. The voices of science that contribute to those discussion with modesty, careful argument and scepticism, are drowned in noise. This poses a threat for universities like TU Delft, who strive to increase student numbers, who benefit from diverse student populations and aim to pass on their knowledge and scientific virtues to the next generation. It is, therefore, alarming that student enrolments to Bachelor and Master Programs at TU Delft have declined in the past year. Students in front of the class The project is aimed to make the sciences more appealing to the next generation. They have identified the problem that students tend miss out on the opportunity of entering a higher education trajectory in the Beta sciences – because they have a wrong picture of such education. In their mind, they depict it as boring and dry. In his pilot lecture at the Stanislas VMBO in Delft, Amos Yusuf has successfully challenged this image. He shared his enthusiasm for the field of robotics and presented himself as a positive role model to the pupils. And in return the excitement of the high school students is palpable in the videos and pictures from the day. The spark of science fills their eyes. Bas Brouwer Mick Dam are the founders of NUVO – the platform that facilitates the engagement of Master Students in high school education in Delft Their efforts offer TU Delft Master Students a valuable learning moment: By sharing insights from their fields with pupils at high school in an educational setting, our students can find identify their own misunderstandings of their subject, learn to speak in front of non-scientific audiences and peak into education as a work field they themselves might not have considered. An extraordinary commitment According to the Mekel jury, the project scored well on all the criteria (risk mitigation, inclusiveness, transparency and societal relevance). However, it was the extraordinary commitment of Amos who was fully immersed during his Master Project and the efforts of Brouwer and Dam that brought together teaching and research which is integral to academic culture that made the project stand out. About the Mekel Prize The Mekel Prize will be awarded to the most socially responsible research project or extra-scientific activity (e.g. founding of an NGO or organization, an initiative or realization of an event or other impactful project) by an employee or group of employees of TU Delft – projects that showcase in an outstanding fashion that they have been committed from the beginning to relevant moral and societal values and have been aware of and tried to mitigate as much as possible in innovative ways the risks involved in their research. The award recognizes such efforts and wants to encourage the responsible development of science and technology at TU Delft in the future. For furthermore information About the project: https://www.de-nuvo.nl/video-robotica-pilot/ About the Mekel Prize: https://www.tudelft.nl/en/tpm/our-faculty/departments/values-technology-and-innovation/sections/ethics-philosophy-of-technology/mekel-prize

New catheter technology promises safer and more efficient treatment of blood vessels

Each year, more than 200 million catheters are used worldwide to treat vascular diseases, including heart disease and artery stenosis. When navigating into blood vessels, friction between the catheter and the vessel wall can cause major complications. With a new innovative catheter technology, Mostafa Atalla and colleagues can change the friction from having grip to completely slippery with the flick of a switch. Their design improves the safety and efficiency of endovascular procedures. The findings have been published in IEEE. Catheter with variable friction The prototype of the new catheter features advanced friction control modules to precisely control the friction between the catheter and the vessel wall. The friction is modulated via ultrasonic vibrations, which overpressure the thin fluid layer. This innovative variable friction technology makes it possible to switch between low friction for smooth navigation through the vessel and high friction for optimal stability during the procedure. In a proof-of-concept, Atalla and his team show that the prototype significantly reduces friction, averaging 60% on rigid surfaces and 11% on soft surfaces. Experiments on animal aortic tissue confirm the promising results of this technology and its potential for medical applications. Fully assembled catheters The researchers tested the prototype during friction experiments on different tissue types. They are also investigating how the technology can be applied to other procedures, such as bowel interventions. More information Publicatie DOI : 10.1109/TMRB.2024.3464672 Toward Variable-Friction Catheters Using Ultrasonic Lubrication | IEEE Journals & Magazine | IEEE Xplore Mostafa Atalla: m.a.a.atalla@tudelft.nl Aimee Sakes: a.sakes@tudelft.nl Michaël Wiertlewski: m.wiertlewski@tudelft.nl Would you like to know more and/or attend a demonstration of the prototype please contact me: Fien Bosman, press officer Health TU Delft: f.j.bosman@tudelft.nl/ 0624953733

A key solution to grid congestion

On behalf of the TU Delft PowerWeb Institute, researchers Kenneth Brunninx and Simon Tindemans are handing over a Position Paper to the Dutch Parliament on 14 November 2024, with a possible solution to the major grid capacity problems that are increasingly cropping up in the Netherlands. The Netherlands is unlikely to meet the 2030 climate targets, and one of the reasons for this is that large industry cannot switch to electricity fast enough, partly because of increasingly frequent problems around grid capacity and grid congestion. In all likelihood, those problems will actually increase this decade before they can decrease, the researchers argue. The solution offered by the TU Delft PowerWeb Institute researchers is the ‘flexible backstop’. With a flexible backstop, the current capacity of the power grid can be used more efficiently without sacrificing safety or reliability. A flexible backstop is a safety mechanism that automatically and quickly reduces the amount of electricity that an electric unit can draw from the grid (an electric charging station or a heat pump) or deliver (a PV installation). It is a small device connected or built into an electrical unit, such as a charging station or heat pump, that ‘communicates’ with the distribution network operator. In case of extreme stress on the network, the network operator sends a signal to the device to limit the amount of power. Germany recently introduced a similar system with electric charging stations. The backstop would be activated only in periods of acute congestion problems and could help prevent the last resort measure, which is cutting off electricity to users. ‘Upgrading the electricity network remains essential, but in practice it will take years. So there is a need for short-term solutions that can be integrated into long-term planning. We, the members of the TU Delft PowerWeb Institute, call on the government, network operators and regulator to explore the flexible backstop as an additional grid security measure,’ they said. The entire Paper can be read here . Kenneth Brunninx Associate Professor at the Faculty of Engineering, Governance and Management, where he uses quantitative models to evaluate energy policy and market design with the aim of reducing CO2 emissions. Simon Tindemans is Associate Professor in the Intelligent Electrical Power Grids group at Faculty of Electrical Engineering, Mathematics and Computer Science. His research interests include uncertainty and risk management for power grids. TU Delft PowerWeb Institute is a community of researchers who are investigating how to make renewable energy systems reliable, future proof and accessible to everyone.

25 year celebration of formal collaboration between Delft University of Technology and the University of Campinas

On 25 October 2024 we celebrated 25 years of formal collaboration between Delft University of Technology and the University of Campinas. What began as a project to exchange some students in chemical engineering has now grown to a multifaceted and broad academic collaboration which accumulated into 24 joint research projects (>20 M Euro); 16 advanced courses and 15 Doctors with a Dual Degree PhD. Patricia Osseweijer, TU Delft Ambassador Brazil explained, “We are proud to show and reflect on this special day the added value we created resulting from our joint activities. The lessons we learned demonstrate that especially continuity of funds and availability for exchanges has contributed to joint motivation and building trust which created strong relations. This is the foundation for academic creativity and high-level achievements.” The program presented showcases of Dual Degree projects; research activities and education. It discussed the future objectives and new fields of attention and agree on the next steps to maintain and strengthen the foundation of strong relations. Telma Franco, Professor UNICAMP shared that “joint education and research has substantially benefitted the students, we see that back in the jobs they landed in,” while UNICAMP’s Professor Gustavo Paim Valenca confirmed that “we are keen to extend our collaboration to more engineering disciplines to contribute jointly to global challenges” Luuk van der Wielen highlighted that “UNICAMP and TU Delft provide valuable complementary expertise as well as infrastructures to accelerate research and innovation. Especially our joint efforts in public private partnerships brings great assets” To ensure our future activities both University Boards have launched a unique joint program for international academic leadership. This unique 7-month program will accommodate 12 young professors, 6 from each university. The programme began on 4 November 2024 in Delft, The Netherlands.