A development of modular automated storage and retrieval system

Leow, Zhi Li (2017) A development of modular automated storage and retrieval system. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

This report documents the progress of the project “A Development of Modular Automated Storage and Retrieval System”. In this project, a modular AS/RS is proposed in order to counter the problem of AS/RS being permanent fixtures and unwelcoming to physical changes. The objectives of the project are to design a modular AS/RS that is easy to install and remove, fabricate the designed AS/RS, and simulate control of the system. The AS/RS is designed as individual parts in SolidWorks. Later on, the same program is used to assemble the parts into the complete design. When designing the system, various design concepts are proposed, evaluated, and compared in order to select the best concepts for the design of the system. The various design and modular aspects of the final design are then discussed and compared with non-modular AS/RSs. Through a section-by-section comparison, the modularity of the system that has been designed is proven. The designed AS/RS is also fabricated in the form of a physical product, with its main material being aluminium. Finally, the simulation of the system’s control in Automaton Studio is presented and discussed. The virtual control panel to control system, virtual grid, and representation of the system are presented. The ladder logic programming behind the control of the system is also presented and explained. With the ladder programs in place, the system is able to move to any position on the virtual grid, as well as store and retrieve virtual items from the grid. The logic used in the control of the system is also expandable to accommodate larger grids in the future.

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