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Unleashing or domesticating the vitality of citizens' initiatives? The paradoxical relationship between governments and citizens' initiatives in the energy transition

Visser, Vivian (author), van Popering-Verkerk, Jitske (author), Minkman, E. (author), van Buuren, Arwin (author)

In their quest to create vital cities, West European city governments stimulate citizens to self-organize in citizens' initiatives. This trend it accompanied by conflicting scientific and governmental discourses: on the one hand, citizens' initiatives are praised for giving ‘power to the people’, on the other hand, citizens' initiatives are...

journal article 2023

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Combination of geostatistics and self-organizing maps for the spatial analysis of groundwater level variations in complex hydrogeological systems

Varouchakis, Emmanouil A. (author), Solomatine, D.P. (author), Corzo Perez, Gerald A. (author), Jomaa, Seifeddine (author), Karatzas, George P. (author)

Successful modelling of the groundwater level variations in hydrogeological systems in complex formations considerably depends on spatial and temporal data availability and knowledge of the boundary conditions. Geostatistics plays an important role in model-related data analysis and preparation, but has specific limitations when the aquifer...

journal article 2023

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Quantifying the impacts of synoptic weather patterns on North Sea wind power production and ramp events under a changing climate

Cheneka, B.R. (author), Watson, S.J. (author), Basu, S. (author)

Only a few studies on the overall impact of climate change on offshore wind power production and wind power ramps in the North Sea region have been published. This study focuses on the characteristics of expected wind power production and wind power ramps in the future climate aided by the classification of circulations patterns using a self...

journal article 2023

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Microgrid planning based on computational intelligence methods for rural communities: A case study in the José Painecura Mapuche community, Chile

Morales, Raúl (author), Marín, Luis G. (author), Roje, Tomislav (author), Caquilpan, Víctor (author), Sáez, Doris (author), Nunez, Alfredo (author)

Microgrids (MGs) are sustainable solutions for rural zone electrification that use local renewable resources. However, only careful planning at the start of an MG project can ensure its future optimal operation. In this paper, a novel methodology for MG planning by using the uncertainty characterization of renewable resources and demand is...

journal article 2023

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Cross-linkers at growing microtubule ends generate forces that drive actin transport

Alkemade, C. (author), Wierenga, H. (author), Volkov, V. (author), López, Magdalena Preciado (author), Akhmanova, Anna (author), ten Wolde, Pieter Rein (author), Dogterom, A.M. (author), Koenderink, G.H. (author)

The actin and microtubule cytoskeletons form active networks in the cell that can contract and remodel, resulting in vital cellular processes such as cell division and motility. Motor proteins play an important role in generating the forces required for these processes, but more recently the concept of passive cross-linkers being able to...

journal article 2022

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Sustainability of mining activities in the European Mediterranean region in terms of a spatial groundwater stress index

Varouchakis, Emmanouil A. (author), Corzo Perez, GA (author), Diaz-Loaiza, Andres (author), Spanoudaki, Katerina (author)

Mining activities depend significantly on water resources availability as it consists a major tool of the extraction, processing and the post closure mining operations. Especially, groundwater is the major water source in most mining areas. However, overexploitation, competition from the communities and climate change effects have caused...

journal article 2022

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Between Self-organization and Formal Participation: Increasing Tenants’ Influence through Self-management? – A Dutch Case-study

Huisman, C.J. (author), Czischke, D.K. (author)

To a large extent, established formal participation schemes fail to deliver on their promise of transferring substantial power to tenants, while self-organized housing remains a niche for those who have a strong inclination and ample resources. Given the rise of renting in Europe, and the intensifying housing crisis, increasing tenants’...

journal article 2022

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Characterization of morphological surface activities derived from near-continuous terrestrial lidar time series

Hulskemper, D. (author), Anders, K. (author), Antolínez, José A. Á. (author), Kuschnerus, M. (author), Höfle, B. (author), Lindenbergh, R.C. (author)

The Earth's landscapes are shaped by processes eroding, transporting and depositing material over various timespans and spatial scales. To understand these surface activities and mitigate potential hazards they inflict (e.g., the landward movement of a shoreline), knowledge is needed on the occurrences and impact of these activities. Near...

journal article 2022

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Self-organized initiatives: a planners’ subversive tool for fragmented urban spaces

Tempels Moreno Pessôa, I. (author)

This article investigates whether self-organized initiatives are able to undermine the underlying dynamics of spatial fragmentation in Brazilian metropolises by promoting social connections between groups that are extremely diverse. Since self-organized initiatives not only promote spatial connections but also social connections between...

journal article 2021

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A self-organizing map and a normalizing multi-layer perceptron approach to baselining in prognostics under dynamic regimes

Lourenço Baptista, M. (author), Elsa, Elsa M. (author), Goebel, Kai (author)

When the influence of changing operational and environmental conditions, such as temperature and external loading, is not factored out from sensor data it can be difficult to observe a clear deterioration path. This can significantly affect the task of engineering prognostics and other health management operations. To address this problem of...

journal article 2021

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Associating Synoptic-Scale Weather Patterns with Aggregated Offshore Wind Power Production and Ramps

Cheneka, B.R. (author), Watson, S.J. (author), Basu, S. (author)

Large-scale weather patterns and their variability can influence both the amount of wind power production and its temporal variation, i.e., wind power ramps. In this study, we use a self-organizing map to cluster hourly sea level pressure into a discrete number of weather patterns. The dependency of wind power production and wind power ramps on...

journal article 2021

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The impact of weather patterns on offshore wind power production

Cheneka, B.R. (author), Watson, S.J. (author), Basu, S. (author)

Large-scale weather systems have the potential to modulate offshore wind energy production. The Northern European sea areas have recently seen a rapid increase in wind power capacity and thus there is a need to understand how different weather systems affect offshore production from the perspective of energy system integration. In this study,...

journal article 2020

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Performance and intrusiveness of crowdshipping systems: An experiment with commuting cyclists in The Netherlands

Lin, X. (author), Nishiki, Yoshinari (author), Tavasszy, Lorant (author)

Crowdshipping systems are receiving increasing attention in both industry and academia. Different aspects of crowdshipping (summarized as platform, supply, and demand) are investigated in research. To date, the mutual influence of crowdshipping platform design and its supply side (with participating crowdshippers) has not yet been thoroughly...

journal article 2020

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Smart Method for Self-Organization in Last-Mile Parcel Delivery

van Duin, Ron (author), Vlot, T.S. (author), Tavasszy, Lorant (author), Duinkerken, M.B. (author), van Dijk, Bernd (author)

Parcel delivery operators experience an increasing pressure to meet the strongly growing demand for delivery services, while protecting city livability and the environment. Improving the performance of the last mile of delivery is considered key in meeting this challenge as it forms the most inefficient, expensive, and environmentally unfriendly...

journal article 2020

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Automatic modular design of robot swarms using behavior trees as a control architecture

Ligot, Antoine (author), Kuckling, Jonas (author), Bozhinoski, D. (author), Birattari, Mauro (author)

We investigate the possibilities, challenges, and limitations that arise from the use of behavior trees in the context of the automatic modular design of collective behaviors in swarm robotics. To do so, we introduce Maple, an automatic design method that combines predefined modules—low-level behaviors and conditions— into a behavior tree that...

journal article 2020

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Design exploration of quantitative performance and geometry typology for indoor arena based on self-organizing map and multi-layered perceptron neural network

Pan, W. (author), Sun, Y. (author), Turrin, M. (author), Louter, P.C. (author), Sariyildiz, I.S. (author)

During the early design process, simulations allow numeric assessment and 3D models allow visual inspection for qualitative criteria. However, exploring different design alternatives based on both is challenging. To support the design exploration of quantitative performance and geometry typology of various design alternatives during the early...

journal article 2020

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Path-space moderate deviations for a Curie-Weiss model of self-organized criticality

Collet, F. (author), Gorny, Matthias (author), Kraaij, R.C. (author)

The dynamical Curie-Weiss model of self-organized criticality (SOC) was introduced in (Ann. Inst. Henri Poincaré Probab. Stat. 53 (2017) 658-678) and it is derived from the classical generalized Curie-Weiss by imposing a microscopic Markovian evolution having the distribution of the Curie-Weiss model of SOC (Ann. Probab. 44 (2016) 444-478) as...

journal article 2020

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Dynamic and interactive re-formulation of multi-objective optimization problems for conceptual architectural design exploration

Yang, D. (author), Di Stefano, Danilo (author), Turrin, M. (author), Sariyildiz, I.S. (author), Sun, Yimin (author)

Simulation-Based Multi-Objective Optimization (SBMOO) methods are being increasingly used in conceptual architectural design. They mostly focus on the solving, rather than the re-formulation, of a Multi-Objective Optimization (MOO) problem. However, Optimization Problem Re-Formulation (Re-OPF) is necessary for treating ill-defined conceptual...

journal article 2020

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Nanorods grown by copper anodizing in sodium carbonate

Stepniowski, W.J. (author), Paliwoda, Damian (author), Abrahami, S.T. (author), Michalska-Domańska, M.E. (author), Landskron, Kai (author), Buijnsters, J.G. (author), Mol, J.M.C. (author), Terryn, H.A. (author), Misiolek, Wojciech Z. (author)

Self-organized anodization of copper in 0.1 M Na2CO3 electrolyte was studied in order to obtain nanostructured oxide surface on the metal substrate. Linear sweep voltammetry (LSV) revealed that the most suitable voltage range for anodic film formation is from 3 to 31 V. In this range (except between 3 and 7 V), the oxide is formed as nanorods,...

journal article 2020

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Self-organizing topology for energy-efficient ad-hoc communication networks of mobile devices

Banerjee, I. (author), Warnier, Martijn (author), Brazier, F.M. (author)

When physical communication network infrastructures fail, infrastructure-less communication networks such as mobile ad-hoc networks (MANET), can provide an alternative. This, however, requires MANETs to be adaptable to dynamic contexts characterized by the changing density and mobility of devices and availability of energy sources. To address...

journal article 2020