Augmented reality 3D for manual assemply workstation
Authors : Michela dalle Mura, Gino Dini , Franco Failli
Keywords: integrated environment , assembly , Augmented Reality, error-in-process, sensor
Purpose: The document describes an innovative manual assembly workstation able to assist an operator in assembly operations previously planned by a system that combines a torque / force sensor and AR environment.
Methodology: Workbench, including assembly area, parts containers to be assembled and tools. Applied force sensor centrally located under the work bench. Overhead frame, which supports the camera and the lighting system. PC monitor, used for information exchange with the worker. The AR software was developed with the aim of visually supporting the worker at all stages of the assembly process.
Value: The assembly sequences have been divided into 10 operations. For each operation, all the various probable events have been considered, subdivided into correct actions or into errors, each of which corresponds to particular ranges of movements and applications of force and torque on the part of the worker, different from each other, which in most operations do not overlap in mathematical terms and therefore each can be detected without ambiguity
Limitation: In theory, there are no limits to applicability for the proposed system. It could be used both for simple procedures and for complex and lengthy procedures. On the other hand the main problem is represented by the expensive procedure in terms of time required for the installation of the system.
Practical implication: The described system was tested using an experimental assembly set consisting of 4 elements.
