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We analyze optimal recycling quantity of waste where production consisting of two modes of production, manufacturing with virgin material and with recycled material. We develop a differential dynamic model of recycling in which accumulated waste quantities depend on instantaneous waste disposed and waste degradation rate. We find that market demand increasing will lead to the increasing of accumulated...
In this paper, we model the supply chain system consisting of one supplier and one retailer, where the market demand the retailer observed is uniformly distributed, and the distribution interval is affected by the order lead time. We assume production cost is a function of fixed cost and variable cost which is affected by the order lead time. Centralized decision-making and decentralized decision-making...
The bio-hydrogen producing process has complex interactions; thus, constructing a detailed mechanistic model and proper control architecture is difficult. Artificial neural networks (ANNs) are capable of inferring the complex relationships between input and output process variables without a detailed characterization of the mechanisms governing the process. This work presented a novel ANN that accurately...
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