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Visoko regalno skladišče za skladiščenje plastičnih folij
GLAVAČ, PRIMOŽ (Author), Klančar, Gregor (Mentor) More about this mentor... This link opens in a new window

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Abstract
V podjetju Etra d.o.o. se ukvarjamo z avtomatizacijo in robotizacijo industrijskih procesov. Podjetje Etra d.o.o. je na tržišču prisotno že več kot 20 let in je eno izmed vodilnih podjetij, ki ponujajo celovite industrijske aplikacije na slovenskem in tujem tržišču. Projekt, pri katerem sem sodeloval, je bila izdelava avtomatiziranega visokega regalnega skladišča, od načrtovanja do končne izvedbe. Magistrska naloga zajema opis regalnega skladišča, ki služi za shranjevanje bal plastične folije. Skladišče omogoča skladiščenje do 2300 palet različnih dimenzij. Podrobneje so opisani algoritmi razvrščanja palet in delovanje nadzornega sistema. V nalogi je opisana uporabljena strojna oprema vezana na električni in programski del. Opisan je Siemensov krmilnik S7-414 in komunikacijski protokoli, preko katerih komunicira s perifernimi enotami. Prav tako je opisana programska oprema za programiranje krmilnikov (STEP7) in nadzornih sistemov (WinCC). V nadaljnjih poglavjih so opisane in orisane metode in algoritmi za avtomatsko delovanje skladišča. Delovanje slednjega je integrirano v naročnikov delovni proces tako, da ne povzroča dodatnih stroškov in časovnih zakasnitev. Algoritmi zlaganja omogočajo dinamično kreiranje položaja odlagalnih celic, s čimer dosežemo večjo gostoto shranjevanja izdelkov in večjo prilagodljivost glede na velikost izdelkov. Obenem skrbijo za sortiranje enakih oziroma podobnih izdelkov skupaj, s čimer optimiziramo delovanje skladišča. Pri zahtevah za izvoz palet algoritmi pobiranja poskrbijo za nemoteno dobavo izdelkov. Hkrati omogočajo različne strategije pobiranja, in sicer pobiranje po izbrani paleti, po delovnem nalogu, po najstarejšem tovoru ipd. Skladišče je avtonomno, operaterji pa komunicirajo in podajajo zahteve izključno preko internega logističnega sistema.

Language:Slovenian
Keywords:Regalno skladišče, algoritmi, nadzorni sistem (SCADA), PLK
Work type:Master's thesis/paper (mb22)
Organization:FE - Faculty of Electrical Engineering
Year:2015
Views:829
Downloads:613
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Secondary language

Language:English
Title:High rack warehouse for plastic sheeting storage
Abstract:
The company Etra d.o.o. works in the field of automatisation and robotisation of industrial processes. Etra d.o.o. has been present on the market for over 20 years and is one of the leading companies offering comprehensive industrial applications on the Slovenian and foreign markets. The aim of project I participated in was to design an automated high rack warehouse, from the planning to the final implementation phase. This Master's thesis includes a description of the rack warehouse, which serves to store bales of plastic sheeting. The warehouse enables storage of up to 2,300 pallets of various dimensions. The paper elaborates on the classification algorithms for pallets and the control system operation. This paper firstly describes the hardware attached to the electrical and software parts. It also includes a description of the Siemens S7-414 controller and communication protocols that are used for the communication with peripheral units and a description of the software for PLC programming (STEP 7) and control systems (WinCC). Subsequent chapters describe and outline the methods and algorithms for automatic warehouse operation. The warehouse is integrated into the client’s working process, so that it does not cause additional costs and time delays. Stacking algorithms allow a dynamic creation of storage cell positions, which results in higher density of stored products and increases flexibility in regards to product size. At the same time the algorithms sort identical or similar products together, thereby optimizing the operation of the warehouse. Collection algorithms ensure smooth supply of products in accordance with all export requirements. At the same time they allow different collection strategies, for example the collection of the selected range, according to the work order, the oldest cargo, etc. The warehouse is autonomous and the operators communicate and pass on their requirements exclusively through the internal logistics system.

Keywords:High-rack warehouse, algorithms, control systems (SCADA), PLK

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