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Comparative study between a single unit system and a two-unit cold standby system with varying demand.

Reetu Malhotra1, Gulshan Taneja2

  • 1Department of Applied Sciences, Chitkara University, Rajpura, 140401 Punjab India.

Springerplus
|December 1, 2015
PubMed
Summary

This study compares two cable plant models: a single unit system and a two-unit cold standby system. The two-unit system offers better reliability and profitability for varying demands.

Keywords:
Cable manufacturing plantRegenerative point techniqueSemi-Markov processSingle unit systemStochastic modelTwo unit cold standbyVarying demand

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Area of Science:

  • Operations Research
  • Reliability Engineering
  • Stochastic Modeling

Background:

  • Manufacturing plants face challenges with varying demand and system reliability.
  • Stochastic models are crucial for analyzing system performance under uncertainty.
  • Comparing different system configurations is essential for optimizing operational efficiency.

Purpose of the Study:

  • To compare the performance of a single unit system (Model 1) versus a two-unit cold standby system (Model 2) for a cable manufacturing plant.
  • To evaluate system reliability and profitability under conditions of varying demand.
  • To determine the superior model based on key performance indicators.

Main Methods:

  • Stochastic modeling and comparison of two systems: single unit and two-unit cold standby.
  • Analysis using semi-Markov processes and the regenerative point technique.
  • Performance evaluation through Mean Time To System Failure (MTSF), steady-state availability, and profit function using Laplace transforms and Code-Blocks 13.12 software.

Main Results:

  • The study generated graphical representations to illustrate system performance under various conditions.
  • Quantitative comparison of Model 1 and Model 2 based on MTSF, availability, and profit.
  • Identification of performance differences between the single unit and two-unit cold standby configurations.

Conclusions:

  • The two-unit cold standby system (Model 2) demonstrates superior performance compared to the single unit system (Model 1) under the analyzed varying demand conditions.
  • The findings provide insights into optimizing system design for cable manufacturing plants to enhance reliability and profitability.
  • The application of semi-Markov processes and regenerative point techniques offers a robust framework for analyzing such systems.