A control theoretic analysis of the Bullwhip effect under triple exponential smoothing forecasts: 15th International Conference of Numerical Analysis and Applied Mathematics (ICNAAM 2017)

Maximiliano Udenio, Eleni Vatamidou, Jan C. Fransoo

Research output: Other contribution

Abstract

In this paper, we study the performance of an Automatic Pipeline, Variable Inventory, Order-Based Production Control System (APVIOBPCS) using linear control theory. In particular, we consider a system with independent adjustments for the inventory and pipeline feedback loops and the use of triple exponential smoothing (the Holt-Winters no-trend, additive seasonality model) as a forecasting strategy. To quantify the performance of the system, we derive the transfer functions of the system and plot the frequency response of the system under a number of different parametrizations. We find that the system using Holt-Winters forecasting (the HW-model) significantly outperforms the system using simple exponential smoothing (the SES model), commonly found in the literature, under certain demand assumptions. However, we find that the HW-model is very sensitive to the demand frequency, while the SES is very robust. Thus, the performance range is substantially narrower for the SES model. Finally, we show that previous insights related to behavioral biases are not affected by the choice of forecasting strategy.
Original languageEnglish
PublisherAmerican Institute of Physics
DOIs
Publication statusPublished - 10 Jul 2018

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