In multistage hot forging processes, the preform shape is the parameter mainly influencing the final forging result. Nevertheless, the design of multistage hot forging processes is still a trial and error process and therefore time-consuming. The quality of developed forging sequences strongly depends on the engineer's experience. To overcome these obstacles, this paper presents an algorithm for solving the multi-objective optimization problem when designing preforms. Cross wedge rolled (CWR) preforms were chosen as subject of investigation. An evolutionary algorithm is introduced to optimize the preform shape taking into account the mass distribution of the final part, the preform volume and the shape complexity. The developed algorithm is tested using a connecting rod as a demonstration part. Based on finite element analysis, the implemented fitness function is evaluated, and thus the progressive optimization can be traced.
preforming optimization, hot forging, evolutionary algorithms, cross wedge rolling
In the future, common-rails can be produced with significantly less material - thanks to a new forging process, which was developed by the IPH in cooperation with partners from all over Europe. Using cross wedge rolling (CWR) as a preforming step with a following final forging step the part can be produced with significantly less flash than before. Especially for the demands of small and medium sized enterprises (SMEs), IPH designed a very compact CWR machine for flat-dies that pays off even for small batches. It is the first machine of its kind which will be used under industrial conditions: A Turkish forging company wants to manufacture preforms for hip implants.
cross wedge rolling, flashless, preform, machine
In today's production and logistics systems automated guided vehicle systems (AGVS) play a central role for the Realization of a powerful internal material transport. Through the use of cognitive technologies industiral trucks should be enabled, similar to humans, to respond flexibly to changes in physical environment and organizational changes in the workflow. This creates interactive AGV, which are superior to currently available conventional AGV because they can adapt their behavior independently and flexibly to changing production environments and requirements. As part of this the current high implementation effort for AGVS can be reduced at the same time.
AGVS, gesture control, voice control
This presentation explains the results of the research project "FTF out of the box" and especially goes into the developed man-machine interface for automated guided vehicles (AGV), which was realized by a voice and gesture control.
man-machine interface, voice control, gesture control, AGV
The lecture presents small-scale, multi-directional conveyor modules that implement the material flow of goods using a distributed, decentralized control. They are connected to form a transport matrix. In addition to the decentralized control the used hardware is described.
decentralized control, route planning, transport matrix
Thousands of wind turbines need to be dismantled and replaced in the next years. The owners of the wind parks have to pay millions to handle this. How you can dismantle quickly, at a low price and ecologically friendly, is part of a research project of the Institut für Integrierte Produktion Hannover (IPH). The huge dismantling wave will start in the next years.
dismantling networks, wind turbines
The lecture presents a method for the automated design and calculation of progressive dies. The basis is an automated CAD modeling of progressive dies. From the created CAD models characteristics are derived, which are used as input parameters for prediction models to predict the tool costs.
tool making, quotation costing, data mining, prediction
The implementation of interactive assistance systems such as data glasses is a further step towards the smart factory to master the complexity in production and logistics by increasing customer requirements. To demonstrate the potential and the benefits of these technologies to small and medium enterprises (SMEs), a compendium was developed as part of the research project 4.0 Ready, which provides an overview of existing assistance systems. During the project maturity models are developed to support SMEs in holistically and systematically planning and controling the implementation of interactive assistance systems.
interactive assistance systems, industry 4.0, maturity models, data glasses
The presentation introduced the research project FTF out of the Box to the audience. The presentation focused on the speech- and gesture-based control of automated guided vehicles that was develeped by IPH.
digitalization, automated guided vehicles
The presentation introduced the research project FTF out of the Box to the audience. The presentation focused on the speech and gesture control develeped by IPH as well as the project results developed by Jungheinrich AG.
digitalization, automated guided vehicles
Automated guided vehicle systems (AGVS) are an example of high-performance production systems in intralogistics and in many areas of internal material transportation. The essential function of an AGVS is the automatic control of automated guided vehicles (AGVs) which can be equipped with application-specific load handling devices ( e. g., telescopic forks or lift tables). Therefore an AGV is used in different application fields such as pallet transport, installation or commissioning. In this project, a speech and gesture control and autonomous navigation for AGV are implemented.
AGV, speech control, gesture control, autonoumous navigation
Automated guided vehicles (AGVs) with autonomous behavior and decentralized human-machine interaction (HMI) are suitable for use in logistics. To facilitate natural interaction, HMI may involve both speech and gesture control. This paper presents a new cognitive approach based on electroencephalography (EEG) for multimodal HMI combining speech and gesture control for AGVs used in logistics. The results indicate that implicit EEG-based measures such as alertness and relaxation significantly affect speech control performance. Consequently, monitoring the user's cognitive workload during logistic operations may lead to a substantial improvement in work performance.
logistics, cognitive robotics, electroencephalography
In this presentation the results of the research project "FTF out of the box" are presented. The focus is on the innovative man-machine interface based on a voice and gesture control which was developed by IPH.
man-machine interface, voice control, gesture control, AGV
Automated guided vehicles are well established in modern production environments. Once installed the automated guided vehicles are able to automatically transports good inside the factory. The set up of the system is still a laborous task with high planning costs. Besides the right choice of vehicles and the right controll strategy, the planning of an efficient roadmap is one of the major time consuming tasks. The planning of the roadmaps is mostly performed manually. Experienced system planners decide if a roadmap is feasible or has to be adapted. Aim of this project is to design automatically roadmaps that are both efficient and applicable for AGVs. The planning phase of the roadmaps should be reduced from several weeks to a few hours. In the end a ressource-efficient and standardized planning is aspired.
AGV, road map planning, fuzzy logic
Free information around the topic Industry 4.0 is offered by “Mit uns digital! Das Zentrum für Niedersachsen und Bremen“ (literally translated as: Go digital with the Centre for Lower Saxony and Bremen!). The experts provide trainings for specialists and executive managers and support them when implementing their digitalization projects.
industry 4.0, digitalization, training
The future belongs to forging preforms that are designed automatically: IPH is presently working on a software programme based on evolutionary algorithms, allowing companies to save valuable development time and improve the efficiency of forging processes.
forming technology, forging, preform, evolutionary algorithms
Rising electricity prices for industrial companies result in increasing energy costs and thus lower international competitiveness. Due to increasing electricity price fluctuations, savings in energy costs without capital-intensive investments are possible by implementing specific organizational methods to process energy-intensive orders at times of low prices and energy-low orders at times of high prices.
energy costs, energy price, manufacturing control, sequencing
Rising electricity prices for industrial companies result in increasing energy costs and thus lower international competitiveness. Due to increasing electricity price fluctuations, savings in energy costs without capital-intensive investments are possible by implementing specific organizational methods to process energy-intensive orders at times of low prices and energy-low orders at times of high prices.
energy costs, energy price, manufacturing control, sequencing
Disassembling of large-scale products (e. g. wind energy plants, crane and conveyor systems which are known as XXL-Products) becomes increasingly important, as the operating time is limited. The challenge is to optimize the positioning of the complex and expensive disassembling on the operation site on the one hand and the costly transportation of modules to the disassembling factories. For this reason the location and allocation problem will be pictured in a mathematical model within the research project “DemoNet”. This model supports companies to create a XXL-disassembly-network. The research hypothesis assumes: a disassembly under ecological, economical and logistical aspects constitutes the optimum. The extension of a location planning tool forms the basis of the mathematical optimization model for the disassembly of XXL-Products. For solving the problem a genetic algorithms will be used. The result helps companies to arrange disassembling networks for XXL-Products efficiently.
dismantling planing, dismantling networks, impact model
The generation of bulk metal forming processes needs a lot of time. Researchers construct and simulate many days until a forming sequence without defects is found. At IPH a algorithm is supposed to predict a simulation result within one minute based on the constructions made.
Artificial intelligence, FEA
