Reliability evaluation of a programmable logic controller based system

Mangey Ram (), Subhi Tyagi () and Akshay Kumar ()
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Mangey Ram: Graphic Era Deemed to be University
Subhi Tyagi: Chandigarh University
Akshay Kumar: Graphic Era Hill University

International Journal of System Assurance Engineering and Management, 2024, vol. 15, issue 8, No 6, 3620-3628

Abstract: Abstract This research proposes a Programmable Logic Controller (PLC) based system that make black salt. In this system, there exists funnels where the salt is supposed to heat up for few hours and gets converted into black salt afterwards. With every funnel, two burners are connected in parallel with different level of intensity. Then there are also temperature sensors in the funnel to sense the temperature and help PLC to maintain a given range of temperature in the funnel. Both burner and sensor are considered to have multi-state with various performance level, from complete failure to perfectly working and both are connected to each other in series. Set of burners and sensors in a funnel together form one subsystem where the system as a whole is considered a k-out-of-n:G type. So, out of n funnels, k are supposed to work at a time, and if there will be any failure in any subsystem the PLC will automatically starts another subsystem to function. The elements are considered to be repairable, and reliability of the proposed system is computed from universal generating function technique. Also, numerical examples are presented to illustrate the model by taking different functioning conditions and the proposed algorithm.

Keywords: Programmable logic controller; Multi-state system; Independent and identically distributed (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1007/s13198-023-02022-y

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