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Dissertations / Theses on the topic 'Pneumatic classification'

Author: Grafiati

Published: 28 May 2022

Last updated: 30 July 2025

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1

Rager, David, Rüdiger Neumann, and Hubertus Murrenhoff. "Remote Pressure Control - Considering Pneumatic Tubes in Controller Design." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-200510.

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In pneumatic pressure control applications the influence of tubes that connect the valve with the control volume ist mainly neglected. This can lead to stability and robustness issues and limit either control performance or tube length. Modeling and considering tube behavior in controller design procedure allows longer tubes while maintaining the required performance and robustness properties without need for manual tuning. The author\'s previously published Simplified Fluid Transmission Line Model and the proposed model-based controller design enable the specification of a desired pressure tr

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2

Merkelbach, Stephan, Hubertus Murrenhoff, Christian Brecher, Marcel Fey, and Bastian Eßer. "Pneumatic or electromechanical drives – a comparison regarding their exergy efficiency." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-200414.

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Pneumatic linear drives are widely used in manufacturing, mainly for handling tasks. Due to rising interest in environmental matters and increasing energy costs, energy efficiency has become a major issue in industrial applications. There is a growing competition between pneumatic and electromechanical drives. Pneumatic drives are said to have a lower efficiency while the initial costs of electromechanical drives are higher. The operating costs of electromechanical as well as pneumatic drives are induced by their exergy efficiency. The efficiency of the drives depends on parameters like cycle

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3

Gauchel, Wolfgang, Thilo Streichert, and Yannick Wilhelm. "Predictive maintenance with a minimum of sensors using pneumatic clamps as an example." Technische Universität Dresden, 2020. https://tud.qucosa.de/id/qucosa%3A71204.

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In standard pneumatics, the available signals for data analytics are very limited. As a rule, no continuous status information is available. Usually only the reaching of the end position is indicated - by means of a digital signal of a proximity sensor. This paper examines whether these limited data can be used to derive usable and useful information for predictive maintenance. Pneumatic clamps in bodyin- white construction were chosen as application example. The paper describes a continuous run to investigate the basic feasibility of predictibility. In the following chapters, possibilities fo

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4

Rakova, Elvira, Jan Hepke, and Jürgen Weber. "EXonomy analysis for the Inter-domain comparison of electromechanical and pneumatic drives." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-200427.

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Today the selection of drive technology for realizing of moving tasks is made by comparing of investment and energy costs in general. Pneumatic drives are characterized by their low purchase price, but at the same time they show high energy consumption in a comparison with electric drives. This general evaluation leads to the point, that in many cases the optimum drive structure for a certain handling task can’t be found regarding functionality and efficiency. To reach that goal, the dynamic, energy and costs characteristics of the actuator have to be observed and summarized. In this paper the

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5

Kuolt, Harald, Jan Gauß, Walter Schaaf, and Albrecht Winter. "Optimization of pneumatic vacuum generators – heading for energy-efficient handling processes." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-200536.

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In current production systems, automation and handling of workpieces is often solved by use of vacuum technology. Most production systems use vacuum ejectors which generate vacuum from compressed air by means of the Venturi effect. However, producing vacuum with compressed air is significantly less efficient than using other principles. To minimize the energy costs of pneumatic vacuum generation or to make full use of the energy available, it is important that the inner contour of the nozzle is shaped precisely to suit the specific application - also the system\'s flow conduction needs to be o

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Pan, Min, Zhe Hao, Chenggang Yuan, and Andrew Plummer. "Development and control of smart pneumatic mckibben muscles for soft robots." Technische Universität Dresden, 2020. https://tud.qucosa.de/id/qucosa%3A71262.

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Animals exploit soft structures to move smoothly and effectively in complex natural environments. These capabilities have inspired robotic engineers to incorporate soft actuating technologies into their designs. Developing soft muscle-like actuation technology is one of the grand challenges in the creation of soft-body robots that can move, deform their body, and modulate body stiffness. This paper presents the development of smart pneumatic McKibben muscles woven and reinforced by using conductive insulated wires to equip the muscles with an inherent sensing capability, in which the deformati

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7

Schubert, Martin, Sabine Friedrich, Daniel Wedekind, Sebastian Zaunseder, Hagen Malberg, and Karlheinz Bock. "3D printed flexible substrate with pneumatic driven electrodes for health monitoring." Institute of Electrical and Electronics Engineers (IEEE), 2017. https://tud.qucosa.de/id/qucosa%3A33148.

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Telemedical methods enable remote patient monitoring and healthcare at a distance. Besides, fitness tracker and sport watches are currently trending electronic products to generate awareness of health parameters in daily life. Especially, the long-term and continuous measurement of electrophysiological signals such as electrocardiogramm (ECG) becomes increasingly attractive for telemedical applications. Typically used disposable Ag/AgCl wet electrodes for good skin-electrode contact can potentially cause skin irritation and rashes. This paper presents a low cost, individual and flexible substr

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8

Alt, Raphael, Peter Wintersohle, Hartmut Schweizer, Martin Wollschläger, and Katharina Schmitz. "Interoperable information model of a pneumatic handling system for plug-and-produce." Technische Universität Dresden, 2020. https://tud.qucosa.de/id/qucosa%3A71175.

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Commissioning of a machine is still representing a very challenging operation and most steps are still executed manually by commissioning engineers. A future goal is to support the commissioning engineers and further automate the entire integration process of a newly installed system with a minimum of manual effort. This use case is known as plug-and-produce (PnP). In this contribution a concept of the Industrial Internet of Things is presented to improve the commissioning task for a pneumatic handling system. The system is based on a service-oriented architecture. Within this context, informa

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9

Нічволодін, К. "Визначення швидкості витання як підготовка до процесу класифікації". Thesis, Сумський державний університет, 2018. http://essuir.sumdu.edu.ua/handle/123456789/67052.

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Процеси класифікації використовуються при необхідності розділення сипких матеріалів на фракції (дві і більше). Фракції зазвичай відрізняються між собою розміром частинок, але можуть відрізнятись і іншими параметрами, які впливають на процес розділення: швидкість витання та форма частинок, матеріал і інші.

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10

Литвиненко, Андрій Володимирович, Андрей Владимирович Литвиненко та Andrii Volodymyrovych Lytvynenko. "Класифікація та пневмозбагачення сипких сумішей у гравітаційному пневмокласифікаторі". Thesis, Сумський державний університет, 2017. http://essuir.sumdu.edu.ua/handle/123456789/49613.

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Дисертаційну роботу присвячено моделюванню процесів класифікації та пневмозбагачення сипких сумішей у гравітаційному пневмокласифікаторі ромбічної форми, встановленню оптимальних режимних і конструктивних параметрів пневмокласифікатора, створенню методики інженерного розрахунку апарату для пневмокласифікації сипких сумішей різноманітних матеріалів. Експериментально визначено оптимальні параметри швидкості та витрати газового потоку, час дозавантаження і розвантаження завислого шару матеріалу в робочому об’ємі апарату. Запропоноване рівняння, що показує залежність часу дозавантаженні від віднош

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11

Rexer, Manuel, Nicolas Brötz, and Peter F. Pelz. "Much does not help much: 3D pareto front of safety, comfort and energy consumption for an active pneumatic suspension strut." Technische Universität Dresden, 2020. https://tud.qucosa.de/id/qucosa%3A71215.

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With regard to autonomous driving the demands on comfort are increasing. This makes it attractive to use active suspension systems. The system developed at TU Darmstadt is able to increase driving comfort up to 28 % while maintaining driving safety compared to a passive suspension system. This paper investigates the influence of available energy and power of the active system. The investigation is based on a simulation of a quarter car model and an uneven country road. This paper shows that the more energy the active system has at its disposition, the greater is the range between a comfortable

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12

Трохименко, О. В., Д. Ю. Педосенко, Василь Анатолійович Смирнов, Василий Анатольевич Смирнов та Vasyl Anatoliiovych Smyrnov. "Дослідження пневмокласифікатора з нижнім підводом зернистого матеріалу". Thesis, Сумський державний університет, 2014. http://essuir.sumdu.edu.ua/handle/123456789/40276.

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Останнім часом виник інтерес до дослідження процесів пневмокласифікації, що має велике число позитивних властивостей. На даний момент відсутні точні методи математичного моделювання процесів , які протікають в гетерогенних системах в умовах турбулентних гідродинамічних режимів, як найбільш прийнятних з точки зору створення активної взаємодії між фазами. Тому існує необхідність експериментального дослідження з подальшим створенням напівемпіричних математичних моделей або чисельного моделювання.

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13

Zöller, Chris, Paul Wagner, and Hermann Winner. "Tires and vertical dynamics of wheeled mobile driving simulators." Elsevier, 2017. https://publish.fid-move.qucosa.de/id/qucosa%3A72221.

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Wheeled Mobile Driving Simulators (WMDS) promise a high potential for urban traffic simulation. The tires generate the accelerations of WMDS and therefore are a key component of this simulator type. Hence, the choice of a proper tire concept is of high importance. Solid tires with compact dimensions and a high vertical stiffness are a possible alternative approach to conventional pneumatic tires. To assess the application potential of solid tires their characteristics are identified. The results show that high slip values and slip angles are necessary to reach the maximum friction coefficient

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14

Post, Peter. "Pneumatics and Industrie 4.0 - opportunity or contradiction?" Technische Universität Dresden, 2020. https://tud.qucosa.de/id/qucosa%3A71212.

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Modern industrial production processes are increasingly characterized by digital solutions in order to continuously increase their efficiency while taking sustainability aspects into account. Pneumatic components and systems have been and will continue to be an essential part of modern production plants and must face the special challenges posed by digitalization [... aus dem Text]

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15

Boyko, Vladimir, and Jürgen Weber. "Combinations of energy saving measures in pneumatics." Technische Universität Dresden, 2020. https://tud.qucosa.de/id/qucosa%3A71216.

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Within a production machine, various electromechanical and pneumatic structures can be used for drive tasks. As these drive technologies can often replace each other, the energy efficiency, performance and TCO of pneumatic drives must be permanently enhanced to remain competitive. There is a large number of known measures for the reducing their energy consumption, e.g. minimizing of filling volumes, energy saving circuits etc. However, these measures are mainly considered separately and the possible overall energy saving effect resulting from their combination is rarely taken into account. The

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16

Heitmann, Mario, and Ferdinand Rein. "Energy efficiency in pneumatics with the 'Air Saving Box': the revolutionary plug & play solution from SMC." Technische Universität Dresden, 2020. https://tud.qucosa.de/id/qucosa%3A71217.

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For many companies, energy efficiency starts with production. For this reason, special consideration must be given to the production operation as a whole as well as its sub-areas. The strict legal requirements, as well as the companies`green policies which are defined as a result of these, create complex challenges, which SMC meets with expertise and passion as a manufacturer, partner and solution provider in electric and pneumatic automation technology. On the basis of an actual customer requirement, SMC Germany has developed an innovation in the field of pneumatic energy efficiency: The Air

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17

Schmalz, Kurt, and Albrecht Winter. "Trends in Vacuum Technology and Pneumatics in the Context of Digitalization." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-200405.

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Digitalization is finding it’s way into production and machine-building. Autonomous, sefoptimizing and highly interconnected units will determine the functionality of machines and production facilities. Communication and automation layout will fundamentally change, data will be more and more the base for new business modells. Innovation is determining pneumatics and handling technology. The innovation topics performance improvement, modular and mechatronic design of systems, sustainability and efficiency are keeping pneumatics and vacuum technology on the pathway of success. But is the technol

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18

Waerder, Maximilian, and Hubertus Murrenhoff. "On the origin and measurement of noise emission in pneumatics." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-200524.

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Noise is a circumstance of ordinary life and mainly originated by continually growing dynamic and the rapid development of society. In the industrial environment there are noise-intensive parts that influence the condition of present operators negatively. Thus, measures of noise abatement have been investigated intensely by industrial companies as well as federal agencies. As a subdomain of fluid power pneumatics is especially known for characteristic noise emission by the use of air as power transmission. The transient decompression of air from pressure levels up to 8 bar and partly high flow

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19

Павленко, Іван Володимирович, Иван Владимирович Павленко та Ivan Volodymyrovych Pavlenko. "Науково-теоретичні основи вібраційних процесів у гетерогенних системах". Thesis, Сумський державний університет, 2020. https://essuir.sumdu.edu.ua/handle/123456789/78078.

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Дисертацію присвячено вирішенню важливої науково-технічної проблеми інтенсифікації процесів у сепараційних, класифікаційних і грануляційних пристроях шляхом розроблення науково-теоретичних основ процесу вібраційного впливу на гетерогенні системи, моделювання гідродинаміки сепараційних пристроїв, аналізу впливу сполученого конвективного теплообміну і капілярного руху на ефективність сепарації газоконденсатних систем, запобігання негативній дії вторинних процесів і впливу вібрацій на процес утворення гранул монодисперсного складу. Вперше теоретично обгрунтовано підвищення ефективності сепараці

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20

Dresden, Technische Universität. "12th International Fluid Power Conference (12. IFK): October 12-14, 2020 in Dresden." Dresdner Verein zur Förderung der Fluidtechnik e.V. Dresden, 2020. https://tud.qucosa.de/id/qucosa%3A38661.

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The International Fluid Power Conference is one of the world's most significant scientific conferences on fluid power control technology and systems. It offers a common platform for the presentation and discussion of trends and innovations to manufacturers, users and scientists.

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21

Schneider, Helfried, Thomas Frank, Klaus Pachler, and Klaus Bernert. "A Numerical Study of the Gas-Particle Flow in Pipework and Flow Splitting Devices of Coal-Fired Power Plant." Universitätsbibliothek Chemnitz, 2002. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-200200348.

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In power plants using large utility coal-fired boilers for generation of electricity the coal is pulverised in coal mills and then it has to be pneumatically transported and distributed to a larger number of burners (e.g. 30-40) circumferentially arranged in several rows around the burning chamber of the boiler. Besides the large pipework flow splitting devices are necessary for distribution of an equal amount of pulverised fuel (PF) to each of the burners. So called trifurcators (without inner fittings or guiding vanes) and ''riffle'' type bifurcators are commonly used to split the gas-coal p

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22

Erhard, Martin Andreas. "Photoaktivierung des p-Kerns Mo-92 am Bremsstrahlungsmessplatz von ELBE." Forschungszentrum Dresden, 2013. http://nbn-resolving.de/urn:nbn:de:bsz:d120-qucosa-124711.

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Die kosmische Nukleosynthese 35 protonenreicher stabiler Nuklide zwischen Selen und Blei kann nicht durch Neutroneneinfangprozesse erklärt werden. Es wird angenommen, dass diese Kerne in explosiven Szenarien, wie Supernova-Explosionen durch Protoneneinfang oder Photodesintegrationsprozesse, erzeugt werden, jedoch sind die solaren Häufigkeiten dieser sogenannten p-Kerne noch nicht verstanden. Der p-Kern mit der größten Isotopenhäufigkeit, 92Mo, wird in Nukleosynthese-Netzwerkrechnungen deutlich unterproduziert. Eine mögliche Ursache könnten unpräzise Reaktionswirkungsquerschnitte sein, da die m

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23

Schiepp, Thomas, René Schnetzler, Leonardo Riccardi, and Markus Laufenberg. "Energy-efficient multistable valve driven by magnetic shape memory alloys." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-200712.

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Magnetic shape memory alloys are active materials which deform under the application of a magnetic field or an external stress. Due to their internal friction, recognizable from the strain-stress hysteresis, this new material technology allows the design of multistable actuators. This paper describes and characterizes an innovative airflow control valve whose aperture is proportional to the deformation of the active material and thus controllable by the input voltage. The multistability of the material is partially exploited within an airflow control loop to reduce the energy losses of the val

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24

Cai, Yuan-Hao, and 蔡元豪. "A Study of TRIZ Evolutionary Trends for Establishing Patent Classification Platform – A Case Study for Pneumatic Nailer." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/p2u8p6.

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碩士<br>國立臺北科技大學<br>工業工程與管理系碩士班<br>100<br>In the newly modern times, if developers or R&D workers can grasp the future trend, it will create conforms to the product or the service which the consumer to be use, might bring the huge opportunity and the superiority for the enterprise. But developers or R&D workers often lack a systematized way to predict the trend. TRIZ evolution trend is a set of technological innovation theory to summarize by analyzing a large number of world patents. Not only predict the development of technology, but also realize predict result products possible state. Help to

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25

Chiu, Chuan-chieh, and 邱傳傑. "A Study of Developing Technology and Efficiency Classification of Patent Using Bayesian Theorem and Fuzzy Logic combined Patent Semantic Analysis in CMP Chuck and Pneumatic Nailer." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/445tan.

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碩士<br>國立臺灣科技大學<br>機械工程系<br>95<br>This paper focuses its study on the classification of patent information, and then manages and analyzes the patent information having completed classification. By using the related technologies of Bayesian Theory and fuzzy logic, the study constructs a patent classification model to help users conduct classification and management of large volume of patent information. Analytic hierarchy process is also applied to analyze the technology and function orientation trend of the classified patent information. Through the contents of related patent knowledge and i

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26

Erhard, Martin Andreas. "Photoaktivierung des p-Kerns Mo-92 am Bremsstrahlungsmessplatz von ELBE." Doctoral thesis, 2009. https://tud.qucosa.de/id/qucosa%3A25407.

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Das Thema der Arbeit ist experimentelle Bestimmung der Ausbeute durch Photoaktivierung von Mo-92 mittels Bremsstrahlung des supraleitenden Elektronenlinearbeschleuniger ELBE im Forschungszentrum Dresden-Rossendorf. Mo-92 ist der p-Kern mit der größten Isotopenhäufigkeit und wird in astrophysikalischen Netzwerkrechnungen deutlich unterproduziert. Untersucht wurde dabei insbesondere der (gamma,p)- und (gamma,n)-Kanal, wobei für letzteren wegen der Halbwertszeit des Endkerns (Isomer) von 65 s eine Rohrpost verwendet wurde. Die Aktivierung erfolgte an zwei verschiedenen Bestrahlungsplätzen. Am Ker

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"Volume 3 – Conference." Technische Universität Dresden, 2020. https://tud.qucosa.de/id/qucosa%3A70918.

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We are pleased to present the conference proceedings for the 12th edition of the International Fluid Power Conference (IFK). The IFK is one of the world’s most significant scientific conferences on fluid power control technology and systems. It offers a common platform for the presentation and discussion of trends and innovations to manufacturers, users and scientists. The Chair of Fluid-Mechatronic Systems at the TU Dresden is organizing and hosting the IFK for the sixth time. Supporting hosts are the Fluid Power Association of the German Engineering Federation (VDMA), Dresdner Verein zur För

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