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Zhou, F. (author), Giannakis, Iraklis (author), Giannopoulos, Antonios (author), Slob, E.C. (author)In the phase of oil drilling, mud filtrate penetrates into porous formations and alters the pore fluid properties. This complicates well logging exploration, and inevitably gives rise to shift in reservoir estimation. Logging engineers deem mud invasion a harm and attempt to eliminate its impact on logging data exploration. However, from our...conference paper 2019
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Chen, Yong (author), Lv, Maolong (author), Baldi, S. (author), Liu, Zongcheng (author), Zhang, Wenqian (author), Zhou, Yang (author)This work focuses on adaptive neural dynamic surface control (DSC) for an extended class of nonlinear MIMO strict-feedback systems whose control gain functions are continuous and possibly unbounded. The method is based on introducing a compact set which is eventually proved to be an invariant set: thanks to this set, the restrictive...conference paper 2019
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Zhou, Bingyu (author), Schwarting, Wilko (author), Rus, Daniela (author), Alonso-Mora, J. (author)When driving in urban environments, an autonomous vehicle must account for the interaction with other traffic participants. It must reason about their future behavior, how its actions affect their future behavior, and potentially<br/>consider multiple motion hypothesis. In this paper we introduce a method for joint behavior estimation and...conference paper 2018
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Zhou, Nan (author), Zhan, X. (author), Ma, Qiang (author), Lin, Song (author), Zhang, Jun (author), Zhang, Zi-Ke (author)The rapid development of World Wide Web accelerates information spreading in various ways. Thanks to the emergence of multiple social platforms, some events which are not much attractive in the past can become social hot spots nowadays. In this paper, we study the information diffusion process of “IP MAN3 box office fraud”, which is widely...conference paper 2018
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Zhou, Y. (author), Daamen, W. (author), Vellinga, T. (author), Hoogendoorn, S.P. (author)Due to the increasing ship traffic flow in ports, maritime traffic safety has attracted much atten-tion. In addition to traffic flow, the ship safety in restricted waters is influenced by external navigational fac-tors (visibility, wind and current), encounter situations and human factors on board. In this paper, we investi-gate the effect of...conference paper 2017
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Zhou, K. (author), Gorte, B.G.H. (author)In VHR(very high resolution) aerial images, shadows indicating height information are valuable for validating or detecting changes on an existing 3D city model. In the paper, we propose a novel and full automatic approach for shadow detection from VHR images. Instead of automatic thresholding, the supervised machine learning approach is...conference paper 2017
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- Zhou, J. (author), Laumann, S. (author), Heimovaara, T.J. (author) conference paper 2017
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Zhou, Y. (author), van Kampen, E. (author), Chu, Q. P. (author)This paper presents an adaptive control technique to deal with spacecraft attitude tracking and disturbance rejection problems in the presence of model uncertainties. Approximate dynamic programming has been proposed to solve adaptive, optimal control problems without using accurate systems models. Within this category, linear approximate...conference paper 2017
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Zhou, C. (author), Liu, X. (author), Apostolidis, P. (author)Low Temperature Asphalt (LTA) technologies are utilized in asphalt pavement industry to lower energy demands and greenhouse gas emission during mixing and construction processes. Although these technologies are currently available and hope to demonstrate similar performance with Hot Mix Asphalt (HMA) mixes, LTA shows more sensitive than HMA to...conference paper 2017
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Duarte Pinto, S.C. (author), Ortega, R (author), Ritzau, S. (author), Pasquale, D (author), Laprade, B. (author), Mrotek, S. (author), Gardell, S. (author), Zhou, Z. (author), Plomp, J. (author), van Eijck, L. (author), Bilheux, H. (author), Dhiman, I. (author)A neutron imaging detector based on neutron-sensitive microchannel plates (mcps) was constructed and tested at beamlines of thermal and cold neutrons. The mcps are made of a glass mixture containing 10B and natural Gd, which makes the bulk of the mcp an efficient neutron converter. Contrary to the neutron-sensitive scintillator screens normally...conference paper 2017
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Zhou, Bingyu (author), Satyavada, Harish (author), Baldi, S. (author)In this paper, an adaptive control scheme for Unmanned Aerial Vehicles (UAVs) path following under slowly time-varying wind is developed. The proposed control strategy integrates the path following law based on the vector field method with an adaptive term counteracting the effect of wind's unknown component. In particular, it is shown that...conference paper 2017
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- Junell, J. (author), Mannucci, T. (author), Zhou, Y. (author), van Kampen, E. (author) conference paper 2016
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Zhou, H. (author), Infante Ferreira, C.A. (author)Hydrate slurry has been reported to be a suitable secondary fluid for refrigeration and air-conditioning systems. The latent heat of CO2 hydrate is 387 kJ/kg under phase equilibrium condition of 7 °C and 30 bar. The utilization of CO2 hydrate slurry in air-conditioning systems is promising in improving the energy efficiency and shifting energy...conference paper 2016
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Zhou, Y. (author), van Kampen, E. (author), Chu, Q. P. (author)Flapping-wing MAVs represent an attractive alternative to conventional designs with rotary wings, since they promise a much higher efficiency in forward flight. However, further insight into the flapping-wing aerodynamics is still needed to get closer to the flight performance observed in natural fliers. Here we present the first step necessary...conference paper 2016
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- Zhou, Y. (author), van Kampen, E. (author), Chu, Q. P. (author) conference paper 2016
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Kalogianni, E. (author), Sileryte, R. (author), Lam, M. (author), Zhou, K. (author), Van der Ham, M. (author), Van der Spek, S.C. (author), Verbree, E. (author)Within this research-driven project, passive WiFi monitoring of WiFi enabled devices was used to detect users (students, employees, visitors) of buildings at the campus of Delft University of Technology to gain insight into the Rhythm of the Campus: the occupation, duration of stay and moving pattern at and between the different facilities ...conference paper 2015
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Zhang, L. (author), Li, X. (author), Li, D. (author), Zhou, C. (author)Important engineered slopes are often heavily instrumented and their performance routinely monitored through these instruments. The evaluation of the safety of the slopes based on the monitored information is however a challenge. A systematic method is presented in this paper for evaluating the slope safety by combining multi-source monitoring...conference paper 2015
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Active drag reduction of a turbulent boundary layer has been experimentally investigated using periodic blowing through one array of streamwise slits. Local skin-friction drag exhibits a strong dependence on control parameters, including the blowing amplitude A+ and frequency f +. A maximum drag reduction of almost 70% has been achieved at x+=33...conference paper 2015
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We report a high-resolution numerical study of small-scale properties of two-dimensional (2D) miscible Rayleigh-Taylor (RT) incompressible turbulence with the Boussinesq approximation at small Atwood number and unit Prandtl number. Our results show that the buoyancy force balances the inertial force at all scales below the integral length scale...conference paper 2015
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Zhou, J. (author), Van Turnhout, A.G. (author), Heimovaara, T.J. (author), Afanasyev, M. (author)The spatial and temporal distribution of precipitated minerals is one of the key factors governing various processes in the sub-surface environment, including microbially influenced corrosion (MIC) (Huang, 2002), bio-cementation (van Paassen et al., 2010) and sediment diagenesis (Paraska et al., 2014). The mineral precipitation not only affects...conference paper 2015