Simulation of Machine Breakdowns in a Pull Production System Operated by Various Control Mechanisms

N. Selvaraj, C.S.P. Rao, and T.A. Janardhan Reddy (India)

Keywords

IEKCS, SEKCS, CONWIP, HIEKCS, HSEKCS and SLAM.

Abstract

The objective of this paper is to evaluate and compare the performance of five control mechanisms namely, Independent Extended Kanban Control System (IEKCS), Simultaneous Extended Kanban Control System (SEKCS), Constant WIP (CONWIP), Hybrid IEKCS CONWIP (HIEKCS), and Hybrid SEKCS-CONWIP (HSEKCS) in a multi line multi stage assembly manufacturing system with/without machine break downs Here the authors have proposed Hybrid mechanisms where IEKCS and SEKCS were combined with CONWIP to exploit the combined advantages and also to study their effect in a typical manufacturing environment with machine breakdowns. Simulation studies were performed to evaluate the performance measures like production rate, average waiting time and average WIP for all the control mechanisms.

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