Abstract
Industry 4.0, digitization, and Internet of Things enable companies to react quickly and flexibly to market changes. The objective is the production of customized products at the cost of a mass-produced product. The widespread entry of cyber-physical systems enables a networking of all entities. The introduction of cyber-physical systems in production and logistic systems dissolves existing rigid structures and as a result versatile cyber-physical production systems occur. To support the flexibility of the cyber-physical production systems, the production supply needs to be adapted. For this reason, this paper proposes a novel universal production supply concept. This concept introduces a decentralized controlled supply. It is executed by several cyber-physical system entities, which are represented by software agents. These agents negotiate autonomously with each other. The novel concept was implemented in a research lab and evaluated quantitatively and qualitatively. For the quantitative evaluation, the efficiency of the novel concept is evaluated and compared with a kanban supply. An innovative key performance indicator system called process status indicators evaluates the efficiency. The result of this indicator system states that the novel concept is more efficient than the kanban supply.
Highlights
Manufacturing companies have to handle the challenge to adapt to market dynamics and technological trends on time
The main objective of this paper is to propose a novel production supply concept for cyber-physical production systems
If a retrofitting is necessary to fulfill the criteria of the transport order, the Automated guided vehicles (AGVs)-Agent creates and sends a retrofitting order
Summary
Int J Adv Manuf Technol (2020) 108:527–537 the actual part demand in location and time are initially unknown. The gained flexibility can only generate a benefit, if the processing sequence of the object is coordinated and optimized This effects especially the production supply of customized parts [3, 4]. A production supply concept does not exist that enables the flexibility in CPPS and makes the CPPS efficient in terms of low inventories and high utilization. For this reason, the authors developed a concept for a decentralized controlled real-time production supply in CPPS at the Chair of Material Handling and Warehousing at the TU Dortmund. The last section summarizes the results of the comparison, draws a conclusion, and shows future research work
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