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2024 International Conference on Artificial Intelligence, Computer, Data Sciences, and Applications, ACDSA 2024

作者： Zurn, Manuel Dzubba, Marcel Reiff, Colin Ajdinovic, Samed Lechler, Armin Verl, Alexander University of Stuttgart Institute for Control Engineering Machine Tools and Manufacturing Units Stuttgart Germany

ISBN: (纸本)9798350394528

Robotic vision tasks require a large amount of annotated data for effective training and performance. However, the manual creation of such datasets is a complex and time-consuming process. Particularly for smaller companies or those with high product variability, there is a need to optimise the resources dedicated to creating datasets for machine vision applications. This paper investigates novel ways to acquire annotated vision data through the integration of collaborative robots. Two methods are outlined to streamline the generation of annotated datasets. One of these methods is then used to construct a dataset tailored for 6D robotic gripping of an automotive connector. The effectiveness of automated annotated dataset generation is demonstrated by training a deep learning model to accurately estimate the orientation of the automotive connector. © 2024 IEEE.

关键词： Computer vision

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Ambiguity tolerant commissioning ontology: Targeting client communication

Ambiguity tolerant commissioning ontology: Targeting client ...

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2021 IEEE International Conference on engineering, Technology and Innovation, ICE/ITMC 2021

作者： Ellwein, Carsten Krimstein, Viktor Riedel, Oliver Institute for Control Engineering of Machine Tools and Manufacturing Units University of Stuttgart Stuttgart Germany

ISBN: (纸本)9781665449632

There are various standards for the description of geometrical data, in terms of computer-aided design, as well as for the description of manufacturing processes. However, there is a lack in a data model that allows a product to be described partly by its geometry and partly by the description of the manufacturing process;whereby both forms of description are to be regarded as equivalent. Such a model would greatly facilitate communication in contract and job order manufacturing, especially in the computer-aided outsourcing of orders according to the cloud manufacturing paradigm. In this paper, this kind of data model is further justified and one ontological description, in compliance with existing standards, is introduced. © 2021 IEEE.

关键词： Ontology

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Study on Available Cloud Manufacturing Platforms for CNC Milling Processes 4

Study on Available Cloud Manufacturing Platforms for CNC Mil...

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4th IEEE Eurasia Conference on IoT, Communication and engineering, ECICE 2022

作者： Strljic, Matthias Milan Bakovic, Aleksandar Riedel, Oliver Institute for Control Engineering of Machine Tools and Manufacturing Units University of Stuttgart Stuttgart Germany

ISBN: (纸本)9781665482080

CNC milling processes represent the main group of production processes for components with a non-trivial surface geometry that are either brittle or have a material with a high melting point or have sensitive requirements for the manufacturing tolerances. Thus, a study was conducted on the adoption of CNC milling processes in the cloud manufacturing segment, highlighting the range of functions provided as well as the unit prices. In the process, multiple application scenarios were addressed via part enquiries to be manufactured, which have different technical requirements for the CNC milling machine cell to be manufactured. Thus, components were designed that require at least three, four, or five synchronous axes for production. In addition, components with geometric properties were added that can be realized either on a 4-axis system or on a 3-axis system with a reclaiming process. For the evaluation, 50 platform providers were researched via a structured search, which were filtered through an automated ordering process, accessibility, and available materials to a final eleven platforms to be evaluated. On these platforms, a total of 55 application scenarios were then compared in terms of their performance with the application of 22 evaluation criteria. After a weighted evaluation of the results, recommendations were made for component requests from identified groups in terms of geometry complexity, material, and number of pieces that resulted from the analysis. © 2022 IEEE.

关键词： Milling (machining)

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Study on Available Cloud Manufacturing Platforms for Additive Manufacturing Technologies 4

Study on Available Cloud Manufacturing Platforms for Additiv...

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4th IEEE Eurasia Conference on IoT, Communication and engineering, ECICE 2022

作者： Strljic, Matthias Milan Younes, Islam Riedel, Oliver University of Stuttgart Institute for Control Engineering of Machine Tools and Manufacturing Units Stuttgart Germany

ISBN: (纸本)9781665482080

Additive manufacturing technologies provided one of the most adaptable manufacturing processes for digital commissioning via the growing cloud manufacturing paradigm. This was facilitated by a low-complexity tool chain for the manufacturing process along the CAD-CAM chain and the process to be executed on the equipment. However, additive processes have grown far beyond the initial FDM processes and also offer more complex materials with unique properties in addition to other processes. The four most common manufacturing processes FDM, SLA, SLS, and SLM were used as a basis, and existing cloud manufacturing platforms offering all these four technologies as a bundle were gathered via a structured survey. Out of 42 platforms, 17 platforms were researched, filtered and analyzed using sample components and a catalog of requirements consisting of five requirement clusters: material, functional scope, final costs, delivery and user-friendliness. The results were weighted for each technology and finally evaluated in an overarching discussion. The achieved scores and the special features of a platform are discussed and a recommendation is made. © 2022 IEEE.

关键词： 3D printing

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Methods for Localization in Multi-Scale Material Flow Simulation for Virtual Commissioning 4

Methods for Localization in Multi-Scale Material Flow Simula...

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4th International Conference on Electrical, Computer, Communications and Mechatronics engineering, ICECCME 2024

作者： Kienzlen, Annika Verl, Alexander Institute for Control Engineering of Machine Tools and Manufacturing Units University of Stuttgart Stuttgart Germany

ISBN: (纸本)9798350391183

While the importance of virtual commissioning is increasing and not only individual machines but also production lines are being simulated, the simulation of material flow for numerous piece goods is still a challenge. Combining models in a multi-scale simulation can exploit their advantages. The macroscopic flow model excels at modeling the behavior of large quantities of piece goods, however, it cannot provide information about individual piece goods. This led to the approach of the combination with a microscopic physics-based model in a multi-scale material flow simulation. To switch between models, the coordinates of the positions (microscopic) have to be translated in one direction into the material description of the macroscopic flow model (the density distribution). In the other direction, the density distribution has to be translated into the coordinates of the positions, leading to a computationally intensive optimization problem. This paper develops various methods for finding a start solution and compares them to a method of the state of the art. The evaluation is based on their accuracy with reference to various parameters of the data set. The results show the best accuracies for the method which traverses the density distribution and calculates the sum of the densities until it matches a single piece good. Depending on the accuracy required, it may be possible to use the start solution directly without further optimization. © 2024 IEEE.

关键词： Digital elevation model

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Production planning and control systems – Breakage in connectivity make them fit to fit altering conditions 18

Production planning and control systems – Breakage in conne...

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2018 International Conference on Computers in Management and Business, ICCMB 2018

作者： Ellwein, Carsten Elser, Anja Riedel, Oliver Institute for Control Engineering of Machine Tools and Manufacturing Units University of Stuttgart Stuttgart Germany

ISBN: (纸本)9781450364232

Since the rise of production planning and control systems those systems were subject to changes and further development due to new requirements and possibilities. This necessitates to continuously keep track of current requirements and to guarantee that they are fulfilled. In this paper upcoming requirements in the context of Industry 4.0 and especially the cloud manufacturing paradigm have been elaborated on production planning and control systems. It could be shown that current realizations do not fulfil these demands, especially not connectivity demands striven by the fourth industrial revolution. From this finding several requirements for an up to date production planning and control system are derived. © 2018 Association for Computing machinery.

关键词： control systems

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Automated linkage of consumption models and control information in control systems 19

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19th CIRP Conference on Life Cycle engineering, LCE 2012

作者： Schlechtendahl, Jan Sommer, Philipp Eberspächer, Philipp Verl, Alexander Institute for Control Engineering of Machine Tools and Manufacturing Units University of Stuttgart Stuttgart Germany

ISBN: (纸本)9783642290688

The ecological impact of modern machine tools is dominated by the energy consumption during operational life. To decrease the energy consumption of machine tools strategies need to be developed to monitor energy consumption during operation and to predict the energy consumption of potential measures that could be applied to decrease the energy consumption. Following a model based approach a linkage of models with other models and control information is necessary. In this paper strategies to link consumption models of machine components in a machine control with other consumption models and control information in an automatic way are described.

关键词： Energy utilization

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Real-time simulation environment for machine-tools

Real-time simulation environment for machine-tools

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作者： Röck, S. Rüdele, H. Pritschow, G. Institute for Control Engineering Machine Tools and Manufacturing Units Stuttgart Germany

ISBN: (纸本)9780415390620

By taking advantage of the ever increasing capabilities of information systems, simulation technology can nowadays be applied to very complex systems. This paper outlines the development of an integrated environment that allows simulation of machine-tools in real-time. Both the kinematic and dynamic behaviour of the simulated machine-tools can be analysed. The numerical algorithms used for solving the corresponding differential equations were optimised for their real-time capabilities, hence the simulation environment can be utilised in hardware-in-the-loop configurations. Thus it is possible to operate the real motion control system in combination with the simulation environment. The paper discusses the software architecture of the simulation environment, its numerical nucleus and its well-defined interfaces. Finally specific usage scenarios for the simulation environment are described and analysed in regard to the benefit they provide for the stake holders. © 2005 Taylor & Francis Group.

关键词： machine tools

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Investigations of a small machine tool with CFRP-frame 13

Investigations of a small machine tool with CFRP-frame

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13th International Conference of the European Society for Precision engineering and Nanotechnology, EUSPEN 2013

作者： Hoffmeister, H.-W. Gerdes, A. Verl, A. Wurst, K.-H. Heinze, T. Batke, C. TU Braunschweig Institute of Machine Tools and Production Technology Braunschweig Germany Universität Stuttgart Institute for Control Engineering of Machine Tools and Manufacturing Units Stuttgart Germany

ISBN: (纸本)9780956679024

Experimental investigations regarding energy consumption in cooperative mode show a reduction of kinetic energy of about 50 %. However the power consumption increases in cooperative mode due to necessary additional drive and electric losses. Numerical Results show a maximum thermal deformation of 5 μm of the test workpiece due to the clamping process. The CFRP-frame shows a high stiffness and low dynamic magnitudes and is suitable for use as machine tool frame also due to its thermal stability and subsequently higher precision of the machine tool.

关键词： machine tool kinetic energy Power consumption Electric losses energy consumption

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Architecture and Implementation of an Interface for Intelligent tools in machine tools

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Procedia Manufacturing 2017年 11卷 2077-2082页

作者： Vieler, Hendrik Lechler, Armin Riedel, Oliver Institute for Control Engineering of Machine Tools and Manufacturing Units Seidenstraße 36 Stuttgart 70174 Germany

Nowadays a growing number of additional features, provided by intelligent tools, are used in machine tools to improve the quality of machined products or to enhance functionality of machine tools. This brings some problems concerning interfaces as each manufacturer of additional tools uses his own interfaces, which may exclude others. In this paper an interface is described, which is manufacturer independent and allows integration of additional functionality into machine tools with minimal effort for integration and configuration. © 2017 The Authors

关键词： Communication Cyber Physical Systems Industry 4.0 Milling machines

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