A Singleton Type-1 Fuzzy Logic Controller for On-Line Error Compensation During Robotic Welding

During robot welding operations in the manufacturing industry there is a need to modify on-line the welding path due to a mismatch in the position of the components to be welded. These positioning errors are due to multiple factors such as ageing of the components in the conveyor system, clamp fixtu...

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Bibliographic Details
Published in:International journal of computers, communications & control communications & control, 2017-04, Vol.12 (2)
Main Authors: Davila, Ignacio, Lopez-Juarez, Ismael, Mendez, Gerardo Maximiliano, Osorio-Comparan, Roman, Lefranc, Gaston, Cubillos, Claudio
Format: Article
Language:English
Subjects:
CMOS
Control systems
Controllers
Error compensation
Fixtures
Fuzzy control
Fuzzy logic
Gaussian beams (optics)
Industrial robots
Laser beam welding
Manufacturing industry
Metal plates
Production costs
Robot control
Robots
Vertical orientation
Welding
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Description
Summary:During robot welding operations in the manufacturing industry there is a need to modify on-line the welding path due to a mismatch in the position of the components to be welded. These positioning errors are due to multiple factors such as ageing of the components in the conveyor system, clamp fixtures, disturbances, etc. Therefore, robot reprogramming is needed which requires a stop in the production line and consequently an increment in production costs. This article is an extension of [1]a and presents an alternative solution to this problem that involves the use of structured lighting using a low-cost laser beam, a CMOS camera and a Gaussian singleton fuzzy logic controller. To validate the proposed control system, a robotic cell was designed using an industrial KUKA KR16 robot for welding metallic plates. The method was evaluated experimentally under lateral and vertical positioning errors.
ISSN:1841-9836
1841-9844
DOI:10.15837/ijccc.2017.2.2877