Modelling Dynamics of Autonomous Logistic Processes: Discrete-event versus Continuous Approaches

Scholz‐Reiter, Bernd; Freitag, Michael; Beer, C. de; Jagalski, Thomas

doi:10.1016/s0007-8506(07)60134-6

Cited by 65 publications

(24 citation statements)

References 3 publications

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“…The autonomy of the objects is enabled by Ubiquitous Computing technologies which will realise the "Internet of Things" (Figure 20). The goal of autonomous cooperating objects within a logistic system is to reach flexibility, adaptability and reactivity to dynamically changing external influences while maintaining the global goals [76], [125]. Busse et al developed a method to integrate RFID devices into die casting metal parts [12], [13].…”

Section: Autonomous Parts Subassemblies Andmentioning

confidence: 99%

Autonomous Processes in Assembly Systems

2007

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Today's assembly systems have to be flexible to adapt quickly to an increasing number and variety of products and changing demand volume. To manage these dynamics, flexible, reconfigurable, and autonomous assembly systems were proposed and partly realised in the last two decades. The flexibility and adaptability is realised by clustering the assembly system into subsystems and modules which get a certain degree of autonomy and control themselves in a decentralised way. This keynote paper will present the general principles of autonomy and the proposed concepts, methods and technologies to realise autonomous processes in assembly systems. Different approaches for design and autonomous operation of assembly will be explained and future trends towards fully autonomous components of an assembly system as well as autonomous parts and products will be discussed.

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Section: Autonomous Parts Subassemblies Andmentioning

confidence: 99%

Autonomous Processes in Assembly Systems

2007

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“…The project is part of a new collaborative research centre 4 in Bremen, Germany. About 40 scientists are working in the field of adapting autonomous cooperating processes in logistics [4].…”

Section: System Overviewmentioning

confidence: 99%

“…About 40 scientists are working in the field of adapting autonomous cooperating processes in logistics [4]. The sensor system will be integrated in a selfcontrolled transport supervision that goes beyond today's tracking and tracing systems.…”

Section: System Overviewmentioning

confidence: 99%

Applying autonomous sensor systems in logistics—Combining sensor networks, RFIDs and software agents

Jedermann

Behrens

Westphal

et al. 2006

Sensors and Actuators A: Physical

173

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“…These reoptimisations may be done either in regular intervals or on demand and have to consider further constraints as vehicles may already be on the road with goods on them, thus being more limited in their flexibility. As these reoptimisations and the additional constraints therein are a complex challenge for a centralised routing system, the idea of changing paradigms towards a distributed routing in transport logistics is currently under research, for example in the framework of the Collaborative Research Centre 637 at the University of Bremen [1].…”

Section: Introductionmentioning

confidence: 99%

Scalability investigations on communication traffic in distributed routing of autonomous logistic objects

Wenning

Rekersbrink²,

Görg

2009

2009 9th International Conference on Intelligent Transport Systems Telecommunications, (ITST)

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Abstract-In current transport logistics, routing is usually done centrally. A dedicated routing instance solves the optimisation problem of finding the best solution to handle the current set of orders with the set of available vehicles under constraints such as vehicle utilisation, punctuality etc. Because of the increasing complexity of logistic processes, approaches have been suggested recently which change this centralised routing paradigm towards a distributed approach with autonomous logistic entities (vehicles and goods) deciding on their own. To be able to obtain enough knowledge for reasonable decisions, the logistic entities have to communicate with each other. For this interaction, the information exchange concept DLRP (Distributed Logistic Routing Protocol) has been proposed before. The work presented in this paper will focus on the aspect of scalability of communication in a DLRP scenario. Message flooding is identified as potential challenge for the scalability of DLRP, and intelligent flooding restrictions to the communication traffic are applied.

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Modelling Dynamics of Autonomous Logistic Processes: Discrete-event versus Continuous Approaches

Cited by 65 publications

References 3 publications

Autonomous Processes in Assembly Systems

Autonomous Processes in Assembly Systems

Applying autonomous sensor systems in logistics—Combining sensor networks, RFIDs and software agents

Scalability investigations on communication traffic in distributed routing of autonomous logistic objects

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