Analysis of unreliable bulk queue with statedependent arrivals

Journal of Industrial Engineering International

دوره 9، شماره 1، اسفند 2013

نویسندگان

Charan Jeet Singh¹؛ Madhu Jain²؛ Binay Kumar³

¹Department of Mathematics, Guru Nanak Dev University, Amritsar, 143005, India

²Department of Mathematics, Indian Institute of Technology, Roorkee, 247667, India

³Department of Mathematics, M.L.U. DAV College, Phagwara, 144402, India

چکیده

In this paper, we investigate a single-server Poisson input queueing model, wherein arrivals of units are in bulk. The
arrival rate of the units is state dependent, and service time is arbitrary distributed. It is also assumed that the
system is subject to breakdown, and the failed server immediately joins the repair facility which takes constant
duration to repair the server. By using supplementary variable technique, we obtain the probability generating
function of the number of units in the system which is further used to establish some performance indices such as
the mean number of units in the system, mean waiting time, etc. Special cases are also discussed. In order to
obtain approximate values of system state probabilities, the principle of maximum entropy is employed. Numerical
results are also presented to validate the analytical formulae.

کلیدواژه‌ها

Bulk queue؛ Arbitrary service time؛ Breakdown؛ Supplementary variable؛ Queue size