Takamichi 2009. Altruistic behaviour in a two-echelon supply chain with unmatched proportional feedback controllers. Please note: Changes made as a result of publishing processes such as copy-editing, formatting and page numbers may not be reflected in this version. For the definitive version of this publication, please refer to the published source. You are advised to consult the publisher's v...

We consider a two-stage production-inventory system with demand at the downstream stage and returns at each stage. We characterize the structure of the optimal policy which is a complex state-dependent Base-stock policy. We also investigate four classes of policies : Fixed buffer, Base-stock echelon, Kanban and Half-optimal. We compare the performances of these policies and exhibit that the max...

The multi-agent-based supply chain network is a dynamic system consisting of multiple subchains connected by information flows, material flows and capital flow, etc. consensus multi-agent systems often applied to the cooperation between inventory management in networks. Considering ubiquitous external disturbances, this paper mainly considers fixed-time stochastic three-echelon system. A nonlin...

We propose a model that integrates inventory routing and freight consolidation for perishable goods with a fixed lifetime. The problem is motivated by the status quo of logistics in some U.S. agriculture markets, but adapts to other relevant two-echelon supply chains, e.g. combined production planning and distribution. We first identify special cases where solving single-echelon subproblems seq...

We consider a serial inventory system with N stages. The material flows from an outside supplier to stage N, then to stage N0 1, etc., and finally to stage 1 where random customer demand arises. Each stage replenishes a stage-specific inventory position according to a stagespecific reorder point/order quantity policy. Two variations of this policy are considered. One is based on echelon stock, ...

Multi-echelon distribution systems are quite common in supply-chain and logistic systems. They are used by public administrations in their transportation and traffic planning strategies as well as by companies to model their distribution systems. In the literature, most of the studies address issues related to the movement of flows throughout the system from their origins to their final destina...

Inventory record inaccuracy deteriorates supply chain performance because it leads to ineffective replenishment decisions. Conducting cycle counts (i.e., periodic inventory auditing) is a common approach to correct inventory records. It is not clear, however, how inaccuracy at different locations affects supply chain performance and how an effective cycle-count program for a multi-stage supply ...

We consider a two echelon supply chain with a single retailer and a single manufacturer. Inventory replenishment policies at the retailer level transmit customer demand variability to the manufacturer, sometimes even in an amplified form (known as the bullwhip effect). When production is inflexible at the manufacturing level, significant costs may be incurred by ramping up and down production l...