Performance Analysis and Maintenance Planning of Evaporation System in the Sugar Industry by Using Supplementary Variable Technique

In this paper, a reliability model for evaporation system in sugar industry is developed to accomplish performance evolution. This system consists of three subsystems, namely evaporator, syrup sulphitor and sulphited syrup. These subsystems are working in series. Failure time distribution of subsystems is exponential, whereas repair time distribution of subsystems is arbitrary. The differential difference equations associated with state changeover model of the system are developed by using supplementary variable technique and solved to get state probabilities of the system model. The results for some measures (availability and profit) of system performance are obtained in steady state. A particular case is also considered to show the behavior of availability and profit analysis of the evaporation system.

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Improving Industrial Systems Reliability — An Application in Sugar Industry

Journal of Industrial Integration and Management ◽

10.1142/s2424862219500118 ◽

2019 ◽

Vol 04 (04) ◽

pp. 1950011 ◽

Cited By ~ 1

Author(s):

Ramesh Kumar ◽

M. S. Kadyan

Keyword(s):

Performance Analysis ◽

Sugar Industry ◽

The State ◽

System Model ◽

Supplementary Variable ◽

Variable Technique ◽

Industrial Systems ◽

Supplementary Variable Technique ◽

Main Requirement ◽

In Series

To improve the reliability of the industrial systems, the main requirement is to identify the most expected failures and to minimize the effects of such failures. This can be achieved through availability evaluation of the systems of the industry. Here, the performance analysis of molasses (by-product of sugarcane) making system is carried out. The system consists of four subsystems, namely: Crystallizer, C-fore worker, C-after Worker and Melter. Functioning of these subsystems is in series and within subsystems have different working configurations. Equations associated with the system model are developed and solved to get the state probabilities by using supplementary variable technique. A particular case is also considered to show the availability and expected behavior of the molasses making system. Numerical results are obtained to explain the effect of subsystems working behavior.

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Profit Analysis of Non Identical Repairable Units Subject to Two Phase Repair of System

Journal of Economics Management and Trade ◽

10.9734/jemt/2019/v23i530143 ◽

2019 ◽

pp. 1-6

Author(s):

Raeesa Bashir ◽

Nafeesa Bashir ◽

Shakeel A. Mir

Keyword(s):

Time Distribution ◽

Failure Time ◽

Two Phase ◽

Failure Time Distribution ◽

Profit Analysis

The paper deals with the profit analysis of three non-identical units A, B, and C in which either Unit A or one of the units B and C should work for the successful functioning of the system. Two types of repairman are available in the system viz. Ordinary and Expert repairman. The expert repairman is called only when the system breaks down. Unit A gets priority for repair and is repaired by expert repairman while as Unit B and C is repaired by ordinary repairman if the system doesn’t fail totally. The failure time distribution of unit-A, B and C are taken as exponential. The distribution of time to repair of units is assumed to be general.

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