Limiting the oscillations in queues with delayed information through a novel type of delay announcement

Limiting the oscillations in queues with delayed information through a novel type of delay announcement
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通过一种新型的延迟通知来限制延迟信息队列的振荡

DOI:
10.1007/s11134-020-09657-9
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发表时间:
2020
期刊:
影响因子:
1.2
通讯作者:
Wesson, Elizabeth
Wesson, Elizabeth
中科院分区:
工程技术3区
文献类型:
--
作者:
Novitzky, Sophia;Pender, Jamol;Rand, Richard H.;Wesson, Elizabeth

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许多服务系统使用技术通过延迟通知通知顾客他们预计的等待时间或排队长度。然而,在许多情况下,信息可能会延迟,或者客户可能需要时间才能到达他们选择的队列,从而导致信息滞后。本文构造了排队长度过程的中立型延迟微分方程模型,并探讨了速度信息在延迟通知中的应用。我们的结果表明,使用速度信息可能对系统产生有益或有害的影响。因此,了解管理者应该使用多少速度信息是很重要的。在一些参数设置中,我们表明速度信息可以消除由信息延迟引起的振荡。我们导出了一个确定最佳速度信息量的不动点方程,并找到了其值的封闭形式的上界和下界。当振荡不能完全消除时,我们确定使振荡幅度最小化的速度信息量。然而,我们也发现,使用太多的速度信息可能会在队列长度中产生振荡,否则将是稳定的。
Many service systems use technology to notify customers about their expected waiting times or queue lengths via delay announcements. However, in many cases, either the information might be delayed or customers might require time to travel to the queue of their choice, thus causing a lag in information. In this paper, we construct a neutral delay differential equation model for the queue length process and explore the use ofvelocityinformation in our delay announcement. Our results illustrate that using velocity information can have either a beneficial or detrimental impact on the system. Thus, it is important to understand how much velocity information a manager should use. In some parameter settings, we show that velocity information can eliminate oscillations created by delays in information. We derive a fixed point equation for determining the optimal amount of velocity information that should be used and find closed-form upper and lower bounds on its value. When the oscillations cannot be eliminated altogether, we identify the amount of velocity information that minimizes the amplitude of the oscillations. However, we also find that using too much velocity information can create oscillations in the queue lengths that would otherwise be stable.
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发表时间: 2018
期刊: Winter Simulation Conference 2018
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DOI: --
发表时间: 2017
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发表时间: 2005
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