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Browsing by Subject "Forecasting"

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Augmenting Milling Process Data for Shape Error Prediction

Denkena, Berend; Dittrich, Marc-André; Uhlich, Florian (Amsterdam : Elsevier B.V., 2016)

New integrated sensors and connected machine tools generate a tremendous amount of in-depth process data. The continuous transformation of the obtained data into deployable machining knowledge allows for faster ramp-ups, ...
Capturing protein domain structure and function using self-supervision on domain architectures

Melidis, Damianos P.; Nejdl, Wolfgang (Basel : MDPI AG, 2021)

Predicting biological properties of unseen proteins is shown to be improved by the use of protein sequence embeddings. However, these sequence embeddings have the caveat that biological metadata do not exist for each amino ...
The combined effect of wetting ability and durability on outdoor performance of wood: development and verification of a new prediction approach

Meyer-Veltrup, Linda; Brischke, Christian; Alfredsen, Gry; Humar, Miha; Flæte, Per-Otto; Isaksson, Tord; Brelid, Pia Larsson; Westin, Mats; Jermer, Jöran (Heidelberg : Springer Verlag, 2017)

Comprehensive approaches to predict performance of wood products are requested by international standards, and the first attempts have been made in the frame of European research projects. However, there is still an imminent ...
CrysXPP: An explainable property predictor for crystalline materials

Das, Kishalay; Samanta, Bidisha; Goyal, Pawan; Lee, Seung-Cheol; Bhattacharjee, Satadeep; Ganguly, Niloy (London : Nature Publ. Group, 2022)

We present a deep-learning framework, CrysXPP, to allow rapid and accurate prediction of electronic, magnetic, and elastic properties of a wide range of materials. CrysXPP lowers the need for large property tagged datasets ...
Development of a real-time-position prediction algorithm for under-actuated robot manipulator by using of artificial neural network

Al-Assadi, H.M.A.A.; Mat Isa, A.A.; Hasan, A.T.; Rahman, Z.A.; Heimann, B. (London : SAGE Publications Ltd., 2011)

An adaptive learning algorithm using an artificial neural network (ANN) has been proposed to predict the passive joint position of under-actuated robot manipulator. In this approach, a specific ANN model has been designed ...
Energy Demand Prediction in Hybrid Electrical Vehicles for Speed Optimization

Fink, Daniel; Shugar, Sean; Ziaukas, Zygimantas; Schweers, Christoph; Trabelsi, Ahmed; Jacob, Hans-Georg (Setúbal : SciTePress - Science and Technology Publications, Lda., 2022)

Targeting a resource-efficient automotive traffic, modern driver assistance systems include speed optimization algorithms to minimize the vehicle’s energy demand, based on predictive route data. Within these algorithms, ...
Essays on financial time series with a focus on high-frequency data

Becker, Janis (Hannover : Institutionelles Repositorium der Leibniz Universität Hannover, 2020)

This thesis contains six essays on financial time series. Special attention is paid to the opportunities that high-frequency data offers for modeling and forecasting the return and the risk, measured by the volatility or ...
Experimental validation of a compact mixed-flow compressor for an active high-lift system

Kauth, Felix; Maroldt, Niklas; Seume, Jörg R. (Bristol : Institute of Physics Publishing, 2019)

Compact, electrically-driven compressors are a core component of a novel active high-lift system for future commercial aircraft. A newly-developed aeromechanical optimization process was used to design the compressor stage. ...
Fluid rheology, traction/creep relationships and friction in machine elements with rolling contacts

Poll, G.W.G.; Wang, D. (London : SAGE Publications Ltd., 2012)

The correct prediction of shear stresses in lubricants applied to concentrated rolling/sliding contacts has been an issue of intense debate for many years. Traction testers of various kinds such as two-disc roller rigs or ...
Hydraulic performance of elastomeric bonded permeable revetments and subsoil response to wave loads

Oumeraci, Hocine; Staal, T.; Pförtner, S.; Kudella, M.; Schimmels, Stefan; Verhagen, H.J. (Reston : American Society of Civil Engineers, 2010)

Elastomeric bonded permeable revetments, also called PBA (Polyurethane bonded aggregate) revetments, are highly porous structures made of mineral aggregates (e.g. crushed stones) which are durably and elastically bonded ...
Identification of similarities and prediction of unknown features in an urban street network

Feuerhake, Udo; Wage, O.; Sester, M.; Tempelmeier, N.; Nejdl, W.; Demidova, E. (Göttingen : Copernicus GmbH, 2018)

Accurate predictions of the characteristics of urban streets in particular with respect to the typical traffic situations are crucial for numerous real world applications such as navigation, scheduling of logistic and ...
Large eddy simulation using the general circulation model ICON

Dipankar, Anurag; Stevens, Björn; Heinze, Rieke; Moseley, Christopher; Zängl, Günther; Giorgetta, Marco; Brdar, Slavko (Hoboken : Blackwell Publishing Ltd, 2015)

ICON (ICOsahedral Nonhydrostatic) is a unified modeling system for global numerical weather prediction (NWP) and climate studies. Validation of its dynamical core against a test suite for numerical weather forecasting has ...
Loss analysis and improvements of industrially fabricated Cz-Si solar cells by means of process and device simulations

Steingrube, S.; Wagner, Hannes; Hannebauer, Helge; Gatz, Sebastian; Chen, R.; Dunham, S.T.; Dullweber, Thorsten; Altermatt, Pietro P.; Brendel, Rolf (Amsterdam : Elsevier BV, 2011)

We model currently fabricated industrial-type screen-printed boron-doped Cz silicon solar cells using a combination of process and device simulations. The model reproduces the experimental results precisely and allows us ...
A model test study on the parameters affecting the cyclic lateral response of monopile foundations for offshore wind turbines embedded in non-cohesive soils

Frick, Dennis; Achmus, Martin (Göttingen : Copernicus Publications, 2022)

During their service life, monopiles supporting offshore wind turbines are subjected to a large number of lateral cyclic loads resulting from complex environmental conditions such as wind and waves varying in amplitude, ...
Non-linear contour-based multidirectional intra coding

Laude, Thorsten; Tumbrägel, Jan; Munderloh, Marco; Ostermann, Jörn (Cambridge : Cambridge University Press, 2018)

Intra coding is an essential part of all video coding algorithms and applications. Additionally, intra coding algorithms are predestined for an efficient still image coding. To overcome limitations in existing intra coding ...
Prediction of continuous cooling diagrams for the precision forged tempering steel 50CrMo4 by means of artificial neural networks

Nürnberger, Florian; Schaper, Marco; Bach, Friedrich-Wilhelm; Mozgova, Iryna; Kuznetsov, Konstjantyn; Halikova, Anna; Perederieieva, Olga (New York, NY : Hindawi Publishing Corporation, 2009)

Quenching and tempering of precision forged components using their forging heat leads to reduced process energy and shortens the usual process chains. To design such a process, neither the isothermal transformation diagrams ...
Prediction of temperature induced shape deviations in dry milling

Denkena, Berend; Schmidt, A.; Maaß, P.; Niederwestberg, D.; Niebuhr, C.; Vehmeyer, J. (Amsterdam : Elsevier, 2015)

In this paper a model for a simulation based prediction of temperature induced shape deviations in dry milling is presented. A closed loop between Boolean material removal, process forces, heat flux and thermoelastic ...
Prediction of the 3D surface topography after ball end milling and its influence on aerodynamics

Denkena, Berend; Böß, Volker; Nespor, D.; Gilge, P.; Hohenstein, S.; Seume, Jörg R. (Amsterdam : Elsevier, 2015)

The surface topography of milled workpieces often defines their performance. One example is blades in turbine engines, where the topography defines the flow losses. This type of complex goods is often machined by ball end ...
Prediction of the Principal Stress Direction for 5-axis Ball End Milling

Böß, Volker; Grove, Thilo; Denkena, Berend; Mücke, A.; Nespor, D. (Amsterdam : Elsevier, 2016)

While regenerating damaged components, e.g. compressor blades, the removal of excess weld material called re-contouring often determines the surface integrity including the residual stress state. A load-specific residual ...
Reliable capacity planning despite uncertain disassembly, regeneration and reassembly workloads by using statistical and mathematical approaches - Validation in subsidiaries of a global MRO company with operations in Asia, Europe and North America

Eickemeyer, Steffen C.; Steinkamp, Simon; Schuster, Bernhardt; Bodenhage, Frank; Nyhuis, Peter (Amsterdam : Elsevier, 2014)

The MRO industry faces substantial challenges with regard to the capacity planning of disassembly and reassembly work. This is due to the unknown workloads when regenerating complex investment goods and is caused, in ...

Now showing items 1-20 of 25

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