Browsing by Author "Mert, Serkan"
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- ItemEstimating the remaining useful lifetime of a vertical gripper by using prognostics and health management(Stellenbosch : Stellenbosch University, 2023-02) Mert, Serkan; Jooste, Wyhan; Stellenbosch University. Faculty of Engineering. Dept. of Industrial Engineering. Engineering Management (MEM).ENGLISH ABSTRACT: Industrial systems are becoming extremely complex in order to meet the increasing requirements in production environments. The use of flexible end effectors helps to support humans in the context of industrial evolution. Grippers are one of the most widely used groups of end effectors. Like all other systems that execute transferring work, grippers exhibit degradation behavior. The property of degradation must be counteracted with appropriate maintenance work to enable a reliable production process. One field of research within prognostics and health management is the estimation of the remaining useful lifetime for such industrial systems and their components. Many successful applications have already been published, but research is striving to extend this to as yet untreated industrial systems and components. In this context, this research study introduces a method to estimate the remaining useful lifetime for a vertical robotic gripper. For the development of the method, a literature study is conducted, which lists and explains the existing approaches. Based on the selection of an individual vertical gripper, an experimental setup is developed. The experimental setup obtains data in regards to the gripper force. The obtained data is then used to indicate degradation and determine the failure thresholds. With the support of a prediction model, further degradation is forecasted and compared to the failure thresholds. This approach concludes the estimation about the remaining useful lifetime. The overall objective of this information is to support a demand-oriented adjustment of the maintenance measures.