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A Guideline for Efficient Implementation of Automation in Lean Manufacturing EnvironmentZafarzadeh, Masoud January 2013 (has links)
The competitive climate of production and high labour cost, motivate western companies to use technologies like automation as a mean to increase manufacturing competitiveness. On the other hand companies are aware about cost reductive policies like lean production which has shown noticeable achievement; consequently some manufacturers tend to follow such system. In this situation, in order to have lean enterprise, it is vital to find a clear picture of challenges and potentials of implementing automation within a lean environment. If the process of developing automation is not efficient and companies’ strategy and mission is not considered in time of project development, the result may not be lean at the end. So finding an appropriate guideline that can be used in time of developing automated projects is very important.This thesis aims to develop a guideline that can be used in developing automation solutions to have lean result at the end of the projects. The guidelines can be used in both assembly and manufacturing development projects.VOLVO GTO has chosen as the case study for this thesis. In order to find the answer of research questions two main areas in manufacturing and assembly are marked.
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Facilitating Automation Development in Internal Logistics SystemsGranlund, Anna January 2014 (has links)
The internal logistics system includes all activities connected with managing the flow of materials within the physical limits of a facility. This system is an important part of operations in need of increased focus and continuous improvements. Automation is one possible tool with a previously confirmed great potential to improve internal logistics. Despite this great potential and a growing trend of using automation in the area, internal logistics activities are still not automated to the same extent as other parts of operations. The overall aim of this research is therefore to develop knowledge that supports the successful use of automation in internal logistics systems. The automation development process has been identified as critical for the success of the use of automation. With the overall aim of the research in mind, the objective of this thesis is to develop a framework facilitating the automation development process in internal logistics systems. To help fulfil the objective, empirical data have been collected through five case studies and a survey study. During the empirical studies, the process of improving the internal logistics system and the automation development process have been analysed and the focus has been on identifying challenges and facilitators for the successful use and development of automation in internal logistics systems. The findings indicate a poor awareness of both current and desired performance of the internal logistics system at the companies studied. In addition, automation development is often conducted in an unstructured and poorly supported manner and there is often insecurity regarding what steps and actions to take. Foremost, the findings indicate a poor base for proper evaluation and decisions during automation development in internal logistics systems. This is analysed and concluded as a cause of unclear goals and requirements and the lack of a strategic view with regard to both internal logistics operations and the use and development of automation. A framework, including proposed guidelines to overcome the observed challenges by including identified factors facilitating successful automation development in internal logistics systems has been developed. The core of the framework is a proposed process model for automation development in an internal logistics context. Due to the identified importance and the lack of a strategy linked to and supporting the automation development process, the framework also includes a proposed model for an internal logistics strategy as well as a proposed model for an automation strategy. / LEAD - Lean Automation Development
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Especificação, projeto e implementação de um controlador de célula flexível aplicado na manufatura. / Specification, design and implementation of flexible cell controller applied at manufacture.Risco Becerra, Jorge Luis 12 July 1993 (has links)
Apresenta-se a especificação, projeto e implementação de um controlador de célula flexível aplicado na manufatura, visando ser elemento de um sistema aberto de automação. Este trabalho apresenta uma metodologia de desenvolvimento, cujas fases possuem ferramentas de projeto como a especificação padrão, a análise estruturada e a simulação, que serviram para definir a arquitetura do controlador e a validação do mesmo. A implementação do controlador de célula foi baseada numa arquitetura aberta, e foram utilizados recursos computacionais cujas especificações e interfaces são definidas por padrões reconhecidos internacionalmente. Finalmente, o controlador de célula atingirá um alto grau de flexibilidade permitindo a adaptação do controlador a qualquer processo de manufatura de forma simples, e também poderá ser utilizado como equipamento para o ensino e pesquisa das técnicas modernas aplicadas a automação. / It presents the specification, design, and implementation of the flexible cell controller applied to manufacture, which will be element of the automation open systems. This work presents a suitable development a suitable development methodology, whose steps has design tools as standard specification, structure analysis, and the simulation, which was utilized to the architecture definition and validation of the cell controller. The implementation was based on the open architecture and were used computer resources whose specifications and interfaces are defined by international standards. Finally, the cell controller will achieve a great flexibility which permits the simple adaptation to every manufacture process, and will be an equipment for the education and research of the modern techniques applied to the automation.
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Especificação, projeto e implementação de um controlador de célula flexível aplicado na manufatura. / Specification, design and implementation of flexible cell controller applied at manufacture.Jorge Luis Risco Becerra 12 July 1993 (has links)
Apresenta-se a especificação, projeto e implementação de um controlador de célula flexível aplicado na manufatura, visando ser elemento de um sistema aberto de automação. Este trabalho apresenta uma metodologia de desenvolvimento, cujas fases possuem ferramentas de projeto como a especificação padrão, a análise estruturada e a simulação, que serviram para definir a arquitetura do controlador e a validação do mesmo. A implementação do controlador de célula foi baseada numa arquitetura aberta, e foram utilizados recursos computacionais cujas especificações e interfaces são definidas por padrões reconhecidos internacionalmente. Finalmente, o controlador de célula atingirá um alto grau de flexibilidade permitindo a adaptação do controlador a qualquer processo de manufatura de forma simples, e também poderá ser utilizado como equipamento para o ensino e pesquisa das técnicas modernas aplicadas a automação. / It presents the specification, design, and implementation of the flexible cell controller applied to manufacture, which will be element of the automation open systems. This work presents a suitable development a suitable development methodology, whose steps has design tools as standard specification, structure analysis, and the simulation, which was utilized to the architecture definition and validation of the cell controller. The implementation was based on the open architecture and were used computer resources whose specifications and interfaces are defined by international standards. Finally, the cell controller will achieve a great flexibility which permits the simple adaptation to every manufacture process, and will be an equipment for the education and research of the modern techniques applied to the automation.
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The technological flood : A multidimensional case study of technological resistance within the Swedish public sectorViklund, Andreas, Esberg, Alexandra January 2021 (has links)
We are currently living in a society that is undergoing a rapid digitalization, spurring organizations to adapt and evolve their ways of operating through technology. But is it realistic to accept that all these technological changes come without some form of resistance? Technological resistance is not a new term, tracking back several centuries it is considered to be one of the side-effects that has followed the development of technology. The study utilizes a case study to investigate a department in the swedish public sector that is currently being introduced to intelligent automation (IA). By collecting insights through interviews from the perspectives of essential parties connected to the automation-project, we came to the understanding that the perceptions of a resistance can differ between actors. In this case, the technological resistance boiled down to a fear of technology’s limitations. It also became clear that the organizational form, the implementation, confusion about roles/responsibilities and the system itself were contributing factors to the technological resistance experienced in the case. The study shows the multifacetedness of technological resistance as well as how factors connected to an organization can impact the perception of the phenomenon.
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Modellgestützter Entwurf von FeldgeräteapplikationenMätzler, Stefan 26 July 2021 (has links)
Die Entwicklung von Feldgeräten ist ein äußerst komplexer Vorgang, welcher auf vielen Vorrausetzungen aufsetzt, diverse Anforderungen und Randbedingungen mitbringt und bisher wenig beachtet und veröffentlicht wurde. Angesichts der fortschreitenden Digitalisierung drängen immer mehr Anbieter auf den Automatisierungsmarkt. So sind aktuell zunehmend Technologien und Ansätze aus dem Umfeld des Internet of Things im Automatisierungsbereich zu finden. Diese Ansätze reichen von Sensoren ohne die in der Industrie üblichen Beschreibungen bis hin zu Marktplätzen, auf denen Integratoren und Anwender Softwareteile für Anlagen kaufen können. Für die neuen Anbieter, die häufig nicht aus dem klassischen Automatisierungsgeschäft kommen, sind die bisher bestehenden Modelle, Funktionalitäten, Profile und Beschreibungsmittel nicht immer leicht zu verwenden. So entstehen disruptive Lösungen auf Basis neu definierter Spezifikationen und Modelle. Trotz dieser Disruptivität sollte es das Ziel sein, die bewährten Automatisierungsfunktionen nicht neu zu erfinden, sondern diese effektiv und effizient in Abhängigkeit der Anforderungen auf unterschiedlichen Plattformen zu verwenden. Dies schließt ihre flexible Verteilung auf heterogene vernetzte Ressourcen explizit ein. Dabei können die Plattformen sowohl klassische Feldgeräte und Steuerungen sein, als auch normale Desktop-PCs und IoT-Knoten.
Ziel dieser Arbeit ist es, eine Werkzeugkette für den modellbasierten Entwurf von Feldgeräteapplikationen auf Basis von Profilen und damit für den erweiterten Entwurf von verteilten Anlagenapplikationen zu entwickeln. Dabei müssen die verschiedenen Beschreibungsmöglichkeiten evaluiert werden, um diese mit detaillierten Parameter- und Prozessdatenbeschreibungen zu erweitern. Außerdem sollen modulare Konzepte genutzt und Vorbereitungen für die Verwendung von Semantik im Entwurfsprozess getroffen werden. In Bezug auf den Geräteengineeringprozess soll der Anteil des automatisierten Geräteengineerings erweitert werden. Dies soll zu einer Flexibilisierung der Geräteentwicklung führen, in der die Verschaltung der funktionalen Elemente beim Endkunden erfolgt. Auch das Deployment von eigenen funktionalen Elementen auf die Geräte der Hersteller soll durch den Endkunden möglich werden. Dabei wird auch eine automatisierte Erstellung von Gerätebeschreibungen benötigt. Alle diese Erweiterungen ermöglichen dann den letzten großen Schritt zu einer verteilten Applikation über heterogene Infrastrukturen. Dabei sind die funktionalen Elemente nicht nur durch die Gerätehersteller verteilbar, sondern diese können auch auf verschiedenen Plattformen unterschiedlicher Gerätehersteller verwendet werden. Damit einher geht die für aktuelle Entwicklungen wie Industrie 4.0 benötigte geräteunabhängige Definition von Funktionalität. Alle im Engineering entstandenen Informationen können dabei auf den unterschiedlichen Ebenen der Automatisierungspyramide und während des Lebenszyklus weiterverwendet werden. Eine Integration diverser Gerätefamilien außerhalb der Automatisierungstechnik wie z. B. IoT-Geräte und IT-Geräte ist damit vorstellbar.
Nach einer Analyse der relevanten Techniken, Technologien, Konzepte, Methoden und Spezifikationen wurde eine Werkzeugkette für den modellgestützten Entwurf von Feldgeräten entwickelt und die benötigten Werkzeugteile und Erweiterungen an bestehenden Beschreibungen diskutiert. Dies Konzept wurde dann auf den verteilten Entwurf auf heterogener Hardware und heterogenen Plattformen erweitert, bevor beide Konzepte prototypisch umgesetzt und evaluiert wurden. Die Evaluation erfolgt an einem zweigeteilten Szenario aus der Sicht eines Geräteherstellers und eines Integrators.
Die entwickelte Lösung integriert Ansätze aus dem Kontext von Industrie 4.0 und IoT. Sie trägt zu einer vereinfachten und effizienteren Automatisierung des Engineerings bei. Dabei können Profile als Baukasten für die Funktionalität der Feldgeräte und Anlagenapplikationen verwendet werden. Bestehende Beschränkungen im Engineering werden somit abgeschwächt, so dass eine Verteilung der Funktionalität auf heterogene Hardware und heterogene Plattformen möglich wird und damit zur Flexibilisierung der Automatisierungssysteme beiträgt. / The development of field devices is a very complex procedure. Many preconditions need to be met. Various requirements and constrains need to be addressed. Beside this, there are only a few publications on this topic. Due to the ongoing digitalization, more and more solution providers are entering the market of the industrial automation. Technologies and approaches from the context of the Internet of Things are being used more and more in the automation domain. These approaches range from sensors without the typical descriptions from industry up to marketplaces where integrators and users can buy software components for plants. For new suppliers, who often do not come from the classical automation business, the already existing models, functionalities, profiles, and descriptions are not always easy to use. This results in disruptive solutions based on newly defined specifications and models. Despite this disruptiveness, the aim should be to prevent reinventing the proven automation functions, and to use them effectively, and efficiently on different platforms depending on the requirements. This explicitly includes the flexible distribution of the automation functions to heterogeneous networked resources. The platforms can be classical field devices and controllers, as well as normal desktop PCs and IoT nodes.
The aim of this thesis is to develop a toolchain for the model-based design of field device applications based on profiles, and thus also suitable for the extended design of distributed plant applications. Therefore, different description methods are evaluated in order to enrich them with detailed descriptions of parameters and process data. Furthermore, c oncepts of modularity will also be used and preparations will be made for the use of semantics in the design process. With regard to the device engineering process, the share of automated device engineering will be increased. This leads to a flexibilisation of the device development, allowing the customer to perform the networking of the functional elements by himself. The customer should also be able to deploy his own functional elements to the manufacturers' devices. This requires an automated creation of device descriptions. Finally, all these extensions will enable a major step towards using a distributed application over heterogeneous infrastructures. Thus, the functional elements can not only be distributed by equipment manufacturers, but also be distributed on different platforms of different equipment manufacturers. This is accompanied by the device-independent definition of functionality required for current developments such as Industry 4.0. All information created during engineering can be used at different levels of the automation pyramid and throughout the life cycle. An integration of various device families from outside of Automation Technology, such as IoT devices and IT devices, is thus conceivable.
After an analysis of the relevant techniques, technologies, concepts, methods, and specifications a toolchain for the model-based design of field devices was developed and the required tool parts, and extensions to existing descriptions were discussed. This concept was then extended to the distributed design on heterogeneous hardware and heterogeneous platforms. Finally, both concepts were prototypically implemented and evaluated. The evaluation is based on a two-part scenario from both the perspective of a device manufacturer, and the one of an integrator.
The developed solution integrates approaches from the context of Industry 4.0 and IoT. It contributes to a simplified, and more efficient automation of engineering. Within this context, profiles can be used as building blocks for the functionality of field devices, and plant applications. Existing limitations in engineering are thus reduced, so that a distribution of functionality across heterogeneous hardware and heterogeneous platforms becomes possible and contributing to the flexibility of automation systems.
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