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[SEJ] Roger Cooke: Convolutions of Continuous Ranked Probability Scores: comparison with the classical model.

Scoring rules were introduced by de Finetti in 1937 as tools for rewarding honesty in eliciting subjective probabilities: An expert receives score as a function of his/her probability assessment and the realization. The score is strictly proper if the expert maximizes (for negatively sensed rules, minimizes) his/her expected score, per variable, by and only by stating his/her true belief. Scoring rules were not designed for evaluating or combining experts; indeed, rewarding honesty is not the same as rewarding quality. A few examples illustrate this difference. Attention then focuses on Continuous Ranked Probability Scores, a continuous version of the Brier score.  We introduce a scale invariant version of this score. Under the hypothesis that samples are independently drawn from the expert’s subjective distribution we derive its sampling distribution and also the distributions of sums of independent scores. The classical model uses asymptotically proper scoring rules applied to sets of variables based on the standard multinomial chi square test.. These two approaches are compared using the dataset of 49 studies with 526 experts published in 2021.

Making the Circular Built Environment a Reality: A Call for Collaboration

Join us on 6 July at the Faculty of Architecture and the Built Environment for a public debate on transitioning to a circular built environment.

EJ Seminar Archives

This the archive page for our ongoing seminar in expert judgment series.

Discrete Mathematics & Optimization

Discrete Mathematics and Optimization provides the mathematical tools required for the analysis and solution of problems that are of a combinatorial nature. Such problems often have origins in (pure) mathematics, adjacent areas like computer science and quantum physics, or practical applications such as logistics. The specialisation has a strong theoretical component, but also offers the opportunity to look into real-life applications in the field of (healthcare) logistics, machine learning, energy etc. We work on: mixed integer linear programming convex geometry and optimization combinatorial optimization semidefinite programming discrete and computational geometry geometry of lattices algorithms and complexity robust optimization / optimization under uncertainty extremal combinatorics finite geometry quantum optimization quantum error correction Education Are you looking for BSc or MSc thesis projects? Click here for more information! Publications People Seminars The Discrete Mathematics and Optimization seminar occurs regularly on Fridays. Topics can be theoretical or applied in nature, ranging anywhere from unpolished ideas and interesting problems to published results.

The Swiss Army knife of complex socio-technical issues

Isabelle van Schilt started her BSc Technische Bestuurskunde ten years ago and is now pursuing her PhD at the faculty of TPM. During her student years, she played an active role in the study association Curius and did a research visit at the prestigious MIT. These experiences proved immensely valuable to her current work as a researcher and made her see TB in a different light. "What we do here is unique."

PowerWeb Lecture: “Unlocking the DER ‘coordination dividend’: Constructing stakeholder consensus on the common good outcomes of DER asset coordination.”

PowerWeb Lecture: “Unlocking the DER ‘coordination dividend’: Constructing stakeholder consensus on the common good outcomes of DER asset coordination.” 13 June 2023 12:45 till 13:30 - Location: Faculty of EWI, Mekelweg 4 (Chip Hall) | Add to my calendar Practical information By: David Shipworth, Professor of Energy and the Built Environment at the UCL Energy Institute Date: Tuesday 13 June 2023 Time: 12:45-13:30 (free lunch from 12:15) Location: Faculty of EWI, Mekelweg 4 (Chip Hall) Moderator: Dr Francesco Lombardi Register here: registration form . Abstract There is good evidence of a ‘coordination dividend’ in power systems with high levels of distributed energy resources which depends on the coordination of those resources towards agreed common-good objectives. This lecture reviews mechanisms for coordination of both privately held and community owned DER assets, from direct power-systems control - through legal contracts and market mechanisms - to voluntary agreements, and the comparative risks and benefits of using each to realise this ‘coordination dividend’. It then focuses on the challenge of multiple and often conflicting individual and collective socially good outcomes from such asset coordination, taking a complex systems perspective to consider how conflicting constraints arising from multiple objectives (e.g. individual vs. community financial benefits; carbon mitigation; power system support) can lead to system ‘frustration’ and sub-optimal outcomes. From this perspective, resolving such conflicting constraints can lead to better system level outcomes. One mechanism to do this is through extensions of the companion modelling approach (Étienne 2014) developed in the field of environmental resource management. Companion modelling uses empirical social research to create multiple system representations through which different stakeholder groups provide real uses’ responses to inform agent based models of distributed resource management. These offer an approach to construction of empirically grounded computer simulations of DER owners’ responses under different market and regulatory environments. Additionally, through use of behavioural science methods embedded in stakeholder consultation and co-design processes, they constitute a consensus forming mechanism through which stakeholders can converge on common good objectives for DER asset-rich power systems to deliver. This lecture draws on discrete areas of research strength across TU Delft and UCL into a possible programme of research collaboration on the implementation of high DER asset decarbonised electrical power systems. Short bio of the presenter: David Shipworth is Professor of Energy and the Built Environment at the UCL Energy Institute and Chair of the User-Centred Energy SystemsTechnology Collaboration Programme by the International Energy Agency. His research focuses on ways to provide demand flexibility within the energy system and roles of consumers, regulators, and buildings in delivering these. He has a particular interest in mechanisms of distributed energy resource asset coordination including local energy trading, time of use tariffs, and home energy management systems. He speaks and consults widely in the UK and internationally on local energy trading - particularly on the design, conduct and evaluation of field trials for testing the consumer acceptability and response to different flexibility product offerings.

DMO Seminar Archives

Founders to Founders Networking Event

Founders to Founders Networking Event 12 June 2023 18:00 till 20:00 - Location: London - By: Alumni Relations | Add to my calendar London Tech Week is the perfect time for hosting the first ever ‘founders meet founders’ networking event in London that will bring UK and Netherlands based alumni entrepreneurs together to celebrate local successes as well as stimulate useful contacts with each other. Opening the gathering is TUD alumnus and fintech entrepreneur Stijn Pieper (see bio below) who from the rooftop DJ station will talk about experiences as a founder in both Zurich and London, as well as wisdom he wish he could share in the past with his younger entrepreneur self. This event takes place on Monday June 12th from 6:00 PM till 8:00 PM at the rooftop of Bar Elba Waterloo (walking distance from London Tech Week) and is being hosted by the alumni offices of the four technical universities of the Netherlands in collaboration with the 4TU.Federation and the Netherlands Enterprise Agency (RVO). The gathering is included in a special programme being organized as part of a Dutch delegation visiting the city for the 2023 London Tech Week. During the evening you can interact with alumni startup founders from a diverse range of sectors like everything digital, fintech, edtech, HRtech, multiverse, crypto, AI, machine learning, and more! On the NL side, the present TUD/TUe/UT/WUR startups will include: Integer Technologies , Mithra-Ai , Flawless Workflow , CodeGlass , Lexius , Perciv.ai , APTA Tech & Sourcer . This is a unique opportunity for 4TU alumni from London and the Netherlands to mix with like-minded entrepreneurs, industry leaders, and innovators. Whether you are looking to expand your professional network, seek potential partnerships, or simply gain insights from (experienced) founders, this event promises to be an evening of inspiration and valuable connections. Registration Don't miss out on this incredible opportunity to connect with like-minded individuals and tap into the thriving Dutch startup scene. Please register to secure your spot. Spaces are limited, so make sure to reserve your place early! Can’t make it eventually? Let us know so we can give the spot to someone else. We look forward to welcoming you at the Founders-to-Founders Networking Event in London and witnessing the magic that unfolds when brilliant minds come together. Note that all registrations details are processed by TU Delft Alumni Relations. REGISTER REGISTER Programme 6:00 PM - 6:30 PM Badges & pre drinks/bites 6:30 PM - 6:40 PM Welcome words 6:40 PM - 6:55 PM Opening ‘DJ’ talk by TUD alumnus Stijn Pieper 6:55 PM - 7:10 PM Leverage our founder community ‘Q&A’ 7:10 PM - 8:00 PM Networking time Location Bar Elba Waterloo - Rooftop bar 111 Waterloo Road, London Bar Elba Waterloo - Rooftop bar 111 Waterloo Road, London Speakers Stijn Pieper Stijn Pieper is a fintech entrepreneur and product executive. As the founder of Advanon, he successfully funded thousands of businesses with over €400 million, with offices in Zurich and Berlin. After exiting his business, he took on the role as product lead for Revolut, to build the first global financial superapp at Revolut Business, attracting over half a million business customers across 39 markets with £110 billion in transactions. As the product executive at Uncapped, he built another digital bank providing investments ranging from £10k to £4 million in tech companies across the UK, US, and Europe. With degrees from TU Delft, Stijn started his career in the Netherlands at ING, the Dutch National Bank, and Google. Stijn's journey is marked by a relentless drive for fintech innovation and brings a wealth of knowledge and expertise to the table, making him a valuable resource for navigating the European start-up ecosystems. Go to previous item Go to next item About 4TU. The four universities of technology in the Netherlands - TU Delft, University of Twente, Wageningen University and TU Eindhoven - are united in the 4TU.Federation. 4TU aims to boost and pool technical expertise. The universities of technology plan to educate and deliver plenty of excellent engineers and technological designers, to realise internationally-renowned and societally-relevant research and to promote cooperation between research institutes, businesses and public organisations. About the Dutch mission at the London Tech Week A delegation of over 80 people, led by RVO (Netherlands Enterprice Agency) and 4TU.Federation (partnership of the 4 Dutch technical universities), will visit the London Tech Week. This group consists of nearly 20 Dutch startups from a diverse range of sectors, including everything digital, fintech, edtech, HRtech, multiverse, crypto, AI, machine learning, and more. Questions? Anouk Dijkstal alumnirelations@tudelft.nl alumni.tudelft.nl

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Exhale Sluitingsweek: A week of free events to say goodbye to Exhale and cosy up for Winter

De allerlaatste Exhale Week vindt plaats van 25 november tot 1 december en staat volledig in het teken van afscheid nemen van Exhale en het omarmen van de winter.

TIL student Laura Drechsel wins Q-Park thesis award

TIL student Laura Drechsel wins the 2024 Q-Park Student Award with her thesis called: Stories of Aging and Access - Exploring capabilities and challenges of accessibility for urban elderly through microstories. Her award-winning thesis can be found here .

Moving the Closet

You simply cannot miss it, it is big and magenta: the Pink Closet . On 12 November 2024 the Pink Closet will head to the Main Hall of the TU Delft Library for the first time! The Pink Closet will take its place at the Nook, where it will feature as part of the Studium Generale programme on loneliness. More information on events that coincide with and incorporate the Pink Closet at TU Delft Library will soon be available on the website of Studium Generale .

Green ammonia remains a challenge, but researchers make significant progress

The production of ammonia, essential for fertiliser production, is responsible for almost 1.5% of global carbon emissions. This needs to be greener, which is why researchers have been looking for sustainable alternatives for years.

"Measuring brain activity through the skull with ultrasound opens new doors"

PhD Candidate Rick Waasdorp is looking for ways to correct the distortion caused by the skull when using Ultrasound technology. ‘’My goal is to develop an adaptive method for skull corrections that automatically measures the skull of new patients.’’

NWO funding for flexible power demand in electrically driven industry

NWO is funding two projects to explore ways to make the power demand of industry more flexible, allowing it to better align with future energy supplies. One of these projects, “DEFLAME,” is led by Machteld van den Broek from TU Delft.

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

The ENHANCE Diversity Seed Fund

Are you a student at TU Delft or another ENHANCE university with a passion for promoting diversity and inclusion? The ENHANCE Diversity Seed Fund is your chance to turn that passion into action. ENHANCE provides funding to support innovative, student-led projects that address key challenges related to inclusion and diversity within our academic communities. Key Details: Funding Available: Up to 1500 Euros per project in the 1st round! Eligibility: Students from ENHANCE member universities. Staff can also join student-led initiatives. Application Deadline: 8 January 2025. More information: Join the online Information Event on the 26 November 2024 16:00-17:00 CET on Zoom . More information: enhanceuniversity.eu/diversity/diversityseedfund/

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

Design and imagination as essential tools during the climate crisis

In Nature Partner Journals, ten researchers advocate the use of imagination in tackling the climate crisis. They focus specifically on urbanising river deltas, which are of great social and economic importance and highly vulnerable to climate change. "We scientists should not merely outline doomsday scenarios," says Professor Chris Zevenbergen. "Create a vision for people to believe in and work towards.”

Inaugural address: machine optimisation key to more efficient logistics system

The processing and transport of materials can be made much more efficient, says TU Delft professor Dingena Schott in her inaugural address, ‘Advancing Transport and Processing: from Model to Impact’. She will deliver her address on 15 November. Her research focuses on the interaction between machines and materials, with a special emphasis on granular materials.

FAST University Fund invites all TU Delft students

FAST University Fund invites all TU Delft students to apply for the Ambitious Project Grant or the Event Grant of up to €15.000!

Education demonstration in Utrecht cancelled

Safety cannot be guaranteed In our post of 22 October , we announced that students and staff of TU Delft will have the opportunity to take part in protests against the cabinet's plans to cut higher education. Today it has been announced that the demonstration against the cuts to higher education and science on 14 November in Utrecht has been cancelled because the safety of the demonstrators cannot be guaranteed. Read the reaction of Universiteiten van Nederland to the cancellation of the education demonstration in Utrecht (Dutch only).

Young Investigator Award for Gabrielle Laloy-Borgna

Gabrielle has won the technical Young Investigator Award at Euroson 2024 (congress of the European Federation of Ultrasound Societies in Medicine and Biology) with her presentation entitled: “Ultrasound imaging in bones: tissue characterization, anatomical images
and blood flow measurements”.

Ilaria Orsi joined ImPhys as PhD student

Ilaria started her PhD program in the Renaud group about ultrasound imaging inside bones, contributing to the advancement of such non-invasive technique to characterize tissue composition and to quantify blood flow.

First prize for ZhenZhen Wu at the 2024 NWO Biophysics poster awards

ZhenZhen Wu's poster, “Absolute Voltage Imaging in Developing Zebrafish,” won first prize in the 2024 NWO Biophysics poster awards, competing against over 150 posters. The BioPM Poster Prizes are awarded to the best posters presented at the NWO Biophysics Conference, and the winners are selected by a jury. ZhenZhen Wu z.wu-3@tudelft.nl

Enrolment for new courses open on 13 November

The new courses will start from Monday 18 November. Enrolment for these starts from Wednesday 13 November at 08.00! In the second quarter, a new series of courses awaits you. You can find out more on the website. Maybe you already know that you want to attend your favourite course again or maybe you want to discover and try something new; it's all possible. The enrolment moment for the course depends on the day the course takes place. At 08:00 enrolments for Monday's courses open, at 10:00 for Tuesday's courses, at 12:00 for Wednesday's courses, at 14:00 for Thursday's courses and at 16:00 for courses on Friday, Saturday and Sunday. Enrolments go fast Enrolment for our courses always runs fast, so don't wait too long or be surprised by a course where spots are still available! Enrolment closes Enrolment closes on Friday 22 November at 16.00.

Contributions of SPTL at the CVS Congress (21-22 November, Utrecht)

On November 21 and 22, the 51st edition of the CVS congress is held in the Railway museum in Utrecht. Members of the Smart Public Transport Lab contribute to the following sessions: Knus in de bus op dinsdag; zijn alle werkdagen nog wel hetzelfde? Thursday, November 21, 16:00-17:30 Julia Bickel, Maxim Meijers and Niels van Oort [abstract] Stedelijkheidsgraden in transportmodellen: Een analyse over de impact van de ruimtelijke omgeving op reisgedrag Thursday, November 21, 16:00-17:30 Janine Grauss, Justin Hogenberg and Niels van Oort [abstract] Van en naar het treinstation: Voorkeuren van reizigers voor gedeelde elektrische micromobiliteit Friday, November 22, 11:30-13:00 Nejc Geržinič, Mark van Hagen, Dorine Duives and Niels van Oort [ abstract ] Gamen maakt de toekomst – Serious gamen voor een optimale mobiliteitsmix Friday, November 22, 11:30-13:00 Tessa Leferink, Niels van Oort and Sander Lenferink [abstract] De verkenning van de potentie van fietsparkeren bij het ov: een casus in Den Haag Madeline Lai, Dorine Duives, Stefan Talen, Nejc Geržinič and Niels van Oort Friday, November 22, 14:00-15:30 [abstract]

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.