This paper proposes a new performance evaluation approach to an inventory management system based on an
environmental conscious manufacturing system such as a remanufacturing system with consideration for Life Cycle
Assessment (LCA). We here formulate an inventory system with single item based on newsboy problem. The system is
evaluated by the total cost that includes the holding, the backlogged, the disposal and the CO<sub>2</sub> penalty costs. In this approach, we consider two types of inventories: one is the actual product inventory in a factory whereas the other is the
LCA inventory that denotes CO<sub>2</sub> emission for all the life cycle of the product. This model also includes disposal and
recycle rates. Using the suggested model, we can obtain the total inventory cost with consideration for the environment.
Numerical examples are considered to illustrate the implementation of the methodology.
This paper deals with a cost management problem of a remanufacturing system with stochastic demand. We model the system with consideration for two types of inventories. One is the actual product inventory in the factory. The other is the virtual inventory that is being used by the customer. For this virtual inventory, it should be required to consider an operational cost that we need in order to observe and check the quantity of the inventory. We call this the virtual inventory cost and model the system by including it. We define the state of the remanufacturing system by the two inventory levels. It is assumed that the cost function is composed of various cost factors such as holding, backlog and manufacturing costs. We obtain the optimal policy that minimizes the expected average cost per period. Numerical results reveal the effects of the factors on the optimal policy.
This paper deals with the cost management problem of a remanufacturing system with stochastic variability in the demand
rate, the remanufacturing rate and the discard rate. We consider two types of inventories. One is the actual product inventory in the factory while the other is the virtual inventory that is still in use by the consumers. The state of the remanufacturing system is defined by considering the levels of both inventories. The cost function is composed of various costs such as the holding cost, backlogging cost and other manufacturing costs. We obtain the optimal production policy
that minimizes the expected average cost per period. Numerical results provide insights on the effects of the various costs on the optimal policy.
When the life cycle of a product, material or service, studied in a Life Cycle Assessment (LCA) affects other life cycles not included in the system in analysis, it is necessary to apply allocation rules. Allocation can be defined, in LCA context, as the
Conference Committee Involvement (4)
Environmentally Conscious Manufacturing VI
1 October 2006 | Boston, Massachusetts, United States
Environmentally Conscious Manufacturing V
23 October 2005 | Boston, MA, United States
Environmentally Conscious Manufacturing IV
26 October 2004 | Philadelphia, Pennsylvania, United States