
Matthias BarteltRuhr University Bochum | RUB · Chair of Production Systems
Matthias Bartelt
Dr.-Ing.
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62
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Introduction
Skills and Expertise
Publications
Publications (62)
The predicted effects of climate change on the environment are well known. To meet the two-degree target, the major economic nations committed to significantly reduce their greenhouse gas emissions medium and long term. This goal was fixed in the 2015 Paris Climate Agreement. The ambitious goal is a climate neutral economy. However, expanding the p...
Nowadays, companies produce electrolyzers with a high manual effort. Main reasons for this manual production are a low demand as well as a high variance in the size and design of the electrolyzers. The sizes, for instance, can range from 19-inch racks up to 40-feet containers. Nevertheless, we can observe a trend towards the use of hydrogen. Of cou...
Robot-centric automation solutions (RAS) promise more efficiency and quality in production as well as more economic stability and security through local production, especially in the times of COVID-19. Nevertheless, due to their high complexity and costs, RAS are only used to a limited extent by small and medium-sized manufacturing companies. As a...
Many trends, such as cyber-physical systems, Internet of Things or digital twins are currently predominant in research and development. However, the teaching and training of these topics is often neglected. Especially, students or participants of a training course cannot develop and apply new technologies on their own. In order to meet this demand,...
The energy consumption of automated production systems is increasingly the focus of attention, particularly due to climate change and the expansion of renewable energies. Currently, however, it is difficult or impossible to simulate and optimize the energy consumption of a automated production system in its planning. Especially in virtual commissio...
Thanks to digitization and trends such as cyber-physical systems (CPS), there is a constant growth of possibilities to optimize production processes based on collected production data. Already in the engineering phase, a lot of data and models are generated that are often not used any more during real operation. This fact is, in some cases, due to...
There is a high demand for the automated handling of sensitive objects, e.g. pressure-sensitive pastries, fruit or sensitive cell material. However, easy-touse and flexible solutions for an automated handling of such objects are not available yet. Furthermore, the forces and torques are only considered during the grab or release process. Current me...
The design and integration of robotic-based automation solutions is a common problem for robotic component providers and especially for their consumers. In this work, a standardized robot configurator is introduced, based on a modular system architecture and best-practice solutions. Starting with a minimum viable prototype providing an intuitive we...
The required energy of production systems as well as the optimization of the use of energy becomes more and more important. Appropriate means to measure and compute the energy consumption of production systems are developed within the research project SPEAR. However, the concept also allows estimation of energy consumption for different process flo...
Complex robot systems and intelligent automation concepts play a key role in manufacturing companies. Due to the required high level of expertise in such systems, many robot automation solutions do not achieve a good economical cost-benefit ratio. In order to meet these challenges, intuitive engineering platforms are urgently needed. In this paper,...
The design and integration of robotic-based automation solutions is a common problem for robotic component providers and especially for their consumers. In this work, a standardized robot configurator is introduced, based on a modular system architecture and best practice solutions. Due to this modular structure, as a backbone of an intuitive web-b...
Inhalt (Auszüge…)
Fertigungsautomation – Plant Lifecycle Management
Multidimensionale Datenmodellierung und Analyse zur Qualitätssicherung in der
Fertigungsautomatisierung . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
B. Lindemann, N. Jazdi, M. Weyrich, Institut für Automatisierungstechnik und
Softwar...
The planning of production systems involves many software systems of different kinds. Although these systems are part of different domains, there is an intersection in which the same set of information is used among several systems. Indeed, at some point during the planning, it is necessary to exchange information between the systems. Although a ho...
14.0 Service Infrastrukturen
Cyber-physische Systeme (CPS) besitzen hohe nicht-funktionale Anforderungen (NFA) in Bezug auf einen sicheren, fehlertoleranten, resilienten, effizienten, selbst-organisierenden und störungsfreien Betrieb. NFA sind daher notwendigerweise in der detaillierten Ausgestaltung und Spezifikation einer Service-Infrastruktur fü...
14.0 Service Infrastrukturen
Cyber-physische Systeme (CPS) besitzen hohe nicht-funktionale Anforderungen (NFA) in Bezug auf einen sicheren, fehlertoleranten, resilienten, effizienten, selbst-organisierenden und störungsfreien Betrieb. NFA sind daher notwendigerweise in der detaillierten Ausgestaltung und Spezifikation einer Service-Infrastruktur fü...
Defining paths for robot tools is mainly limited by workspace of the applied robot, yielding to difficulties in layout design and programming, especially in complex cells. Using the approach presented in this paper, only the tool is considered while programming. Thus, there are no limitations due to robots. The tool itself is mounted to an adapter,...
This paper describes an innovative approach and infrastructure for a collaborative production engineering environment – from conception phase up to virtual verification. The presented approach allows the exchange of intelligent components for virtual commissioning between different engineering tools. The components provide in addition to geometric...
A functional design of production facilities and its time or cost-optimal
realization is only possible by support of all experts, which are involved within development of this facility. Typically, such planning is done nowadays by means of virtual commissioning. This leads often to large amount of data, which needs to be exchanged between several...
Declarations of conformity must be issued by a components manufacturer before they can be placed on the market. In particular, a safe operation of the machine must be guaranteed. The necessary risk assessment and reduction must be performed continuously while development. Using so-called Smart Components, this process should be simplified.
This paper describes a novel approach for a collaborative engineering from the conception phase till the virtual verification of a product. The presented methodology allows the exchange of digital components which provide all relevant information like logical behavior, kinematics and geometry. The basis is the AutomationML standard and thus the int...
Haptic perception from the greek haptos (perceptible) or haptikos (suitable for touching) means to tactilely sense objects. This is a major issue during design and quality control of any kind of human machine interfaces. In order to achieve a reliable quality information, haptic tests are performed. Nowadays this is often done by specially trained...
In this paper we present the development of a haptic test bench for multiple test applications. The system was built from a standard industrial manipulator together with a flexible gripper. Additionally a robot application package for force controlled machining was adapted for haptic measurement purposes. The intuitive designed user interface requi...
We review recent results from AMANDA on the search for cosmic point sources of neutrinos, both in the diffuse and point-like channels. Assuming a E−2 spectral shape of the neutrino energy at the source, we derive limits on the diffuse νμ flux as well as in the all-flavour diffuse flux from the cascade search. We report limits on selected point sour...
On 27 December 2004, a giant gamma flare from the Soft Gamma-Ray Repeater 1806-20 saturated many satellite gamma-ray detectors, being the brightest transient event ever observed in the Galaxy. AMANDA-II was used to search for down-going muons indicative of high-energy gammas and/or neutrinos from this object. The data revealed no significant signal...
The sensitivity of a search for sources of TeV neutrinos can be improved by grouping potential sources together into generic classes in a procedure that is known as source stacking. In this paper, we define catalogs of Active Galactic Nuclei (AGN) and use them to perform a source stacking analysis. The grouping of AGN into classes is done in two st...
A search has been performed for nearly vertically upgoing neutrino-induced muons with the Antarctic Muon And Neutrino Detector Array (AMANDA), using data taken over the three year period 1997-99. No excess above the expected atmospheric neutrino background has been found. Upper limits at 90% confidence level have been set on the annihilation rate o...
Microquasars are binary star systems with relativistic radio-emitting jets. They are potential sources of cosmic rays and can be used to elucidate the physics of relativistic jets. We report the detection of variable gamma-ray emission above 100 gigaelectron volts from the microquasar LS I 61 + 303. Six orbital cycles were recorded. Several detecti...
The MAGIC collaboration has studied the high-frequency-peaked BL Lac object 1ES 1218 + 30.4, at a redshift z = 0.182, using the MAGIC imaging air Cerenkov telescope located on the Canary Island of La Palma. A gamma-ray signal was observed with 6.4 sigma significance. The differential energy spectrum for an energy threshold of 120 GeV can be fitted...
The first sensors of the IceCube neutrino observatory were deployed at the South Pole during the austral summer of 2004–2005 and have been producing data since February 2005. One string of 60 sensors buried in the ice and a surface array of eight ice Cherenkov tanks took data until December 2005 when deployment of the next set of strings and tanks...
Recently, the HESS array has reported the detection of γ-ray emission above a few hundred GeV from eight new sources located close to the Galactic plane. The source HESS J1834-087 is spatially coincident with the supernova remnant G23.3-0.3 (W41). Here we present MAGIC observations of this source, resulting in the detection of a differential γ-ray...
The MAGIC collaboration has studied the high peaked BL-Lac object 1ES1218+30.4 at a redshift z = 0.182, using the MAGIC imaging air Cherenkov telescope located on the Canary island of La Palma. A gamma-ray signal was observed with 6.4sigma significance. The differential energy spectrum for an energy threshold of 120GeV can be fitted by a simple pow...
Recently, the Galactic center has been reported to be a source of very high energy (VHE) gamma-rays by the CANGAROO, VERITAS, and HESS experiments. The energy spectra as measured by these experiments show substantial differences. In this Letter we present MAGIC observations of the Galactic center, resulting in the detection of a differential gamma-...
The long-duration gamma-ray burst GRB 050713a was observed by the MAGIC Telescope 40 s after the burst onset and followed up for 37 minutes, until twilight. The observation, triggered by a Swift alert, covered energies above ~175 GeV. Using standard MAGIC analysis, no evidence of a gamma-ray signal was found. As the redshift of the GRB was not meas...
A search for an excess of muon–neutrinos from neutralino annihilations in the Sun has been performed with the AMANDA-II neutrino detector using data collected in 143.7 days of live-time in 2001. No excess over the expected atmospheric neutrino background has been observed. An upper limit at 90% confidence level has been obtained on the annihilation...
The Antarctic Muon And Neutrino Detector Array (AMANDA) is a high-energy neutrino telescope. It is a lattice of optical modules (OM) installed in the clear ice below the South Pole Station. Each OM contains a photomultiplier tube (PMT) that detects photons of Cherenkov light generated in the ice by muons and electrons. ICECUBE is a cubic-kilometer-...
The MAGIC collaboration has studied the high-frequency–peaked BL Lac object 1ES 121830.4, at a redshift z p 0.182, using the MAGIC imaging air Cerenkov telescope located on the Canary Island of La Palma. A gamma-ray signal was observed with 6.4 j significance. The differential energy spectrum for an energy threshold of 120 GeV can be fitted by a si...
Recently, the HESS array has reported the detection of g-ray emission above a few hundred GeV from eight new sources located close to the Galactic plane. The source HESS J1834087 is spatially coincident with the supernova remnant G23.30.3 (W41). Here we present MAGIC observations of this source, resulting in the detection of a differential g-ray fl...
We have remotely mapped optical scattering and absorption in glacial ice at the South Pole for wavelengths between 313 and 560 nm and depths between 1100 and 2350 m. We used pulsed and continuous light sources embedded with the AMANDA neutrino telescope, an array of more than six hundred photomultiplier tubes buried deep in the ice. At depths great...
The Antarctic Muon And Neutrino Detector Array (Amanda) is a high-energy
neutrino telescope. It is a lattice of optical modules (OM) installed in the
clear ice below the South Pole Station. Each OM contains a photomultiplier tube
(PMT) that detects photons of Cherenkov light generated in the ice by muons and
electrons. IceCube is a cubic-kilometer-...
The AMANDA neutrino detector has been in operation at the South Pole for several years. A number of searches for extraterrestrial sources of high energy neutrinos have been performed. A selection of results is presented in this paper. The much larger IceCube detector will extend the instrumented ice volume to a cubic kilometer and 9 out of 80 plann...
The AMANDA neutrino telescope has been in operation at the South Pole since 1996. The present final array configuration, operational since 2000, consists of 677 photomultiplier tubes arranged in 19 strings, buried at depths between 1500 and 2000 m in the ice. The most recent results on a multi-year search for point sources of neutrinos will be show...
We present recent results from the Antarctic Muon And Neutrino Detector
Array (AMANDA) on searches for high-energy neutrinos of extraterrestrial
origin. We have searched for a diffuse flux of neutrinos, neutrino point
sources and neutrinos from GRBs and from WIMP annihilations in the Sun
or the center of the Earth. We also present a preliminary res...
The results of a search for point sources of high energy neutrinos in the northern hemisphere using data collected by AMANDA-II in the years 2000, 2001, and 2002 are presented. In particular, a comparison with the single-year result previously published shows that the sensitivity was improved by a factor of 2.2. The muon neutrino flux upper limits...
Data taken during 1997 with the AMANDA-B10 detector are searched for a diffuse flux of neutrinos of all flavors with energies above 1016 eV. At these energies the Earth is opaque to neutrinos, and thus neutrino induced events are concentrated at the horizon. The background are large muon bundles from down-going atmospheric air shower events. No exc...
The Antarctic Muon And Neutrino Detector Array (AMANDA) is a neutrino telescope embedded deep in the 2.8 km-thick polar icecap at the South Pole. AMANDA aims to detect high-energy cosmic neutrinos from sources where the highest-energy cosmic rays are produced and accelerated. We present recent results from AMANDA on searches for high-energy neutrin...
We report on a search for electro-magnetic and/or hadronic showers (cascades) induced by high-energy neutrinos in the data collected with the AMANDA II detector during the year 2000. The observed event rates are consistent with the expectations for atmospheric neutrinos and muons. We place upper limits on a diffuse flux of extraterrestrial electron...
The Antarctic Muon And Neutrino Detector Array (AMANDA) is a high-energy neutrino telescope based at the geographic South Pole. It is a lattice of photo-multiplier tubes buried deep in the polar ice, which is used as interaction and detection medium. The primary goal of this detector is the observation of astronomical sources of high-energy neutrin...
The sensitivity of a search for sources of TeV neutrinos can be improved by grouping potential sources together into generic classes in a procedure that is known as source stacking. In this paper, we define catalogs of Active Galactic Nuclei (AGN) and use them to perform a source stacking analysis. The grouping of AGN into classes is done in two st...