A Two-Time-Scale Approach to Time-Varying Queues in Hospital Inpatient Flow Management
作者： J. G. Dai , Pengyi Shi
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摘要: We analyze a time-varying Mperi/Geo2timeScale/N queueing system. The arrival process is periodic Poisson. service time of customer has components in different scales: length stay (LOS) days and departure (hdis) hours. This system been used to study patient flows from the emergency department (ED) hospital inpatient wards. In that setting, LOS simply number she spends ward, her hdis discharge hour on day discharge. develop new analytical framework can perform exact analysis this novel two steps: first midnight count obtain its stationary distribution, then time-dependent compute various performance measures. also approximation tools significantly reduce computational time. particular, via Stein’s method, we derive explicit expressions approximate...
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