Modeling For The Inventory Of Component Commonality In The Service Supply Chain Based On Product Life Cycle

With rapid economic development and the progress of science and technology, enterprises are facing more and more client's individual demand. Component commonality becomes a main technology to realize mass customization,which can meet the customer's diverse needs and improve the capability of quick response. At the same time, service supply chain is playing a key role in the global economy. The after-sales service has become an important factor in customer loyalty, because service parts inventory management impacts on the service quality directly. On the other hand, after-sales service has become an important profit source. The aim of this thesis is to analyze the effect of application of component commonality in the service supply chain. It is an effective method that can improve the performance of service supply chain.Based on published literatures, this paper starts with the newsboy model, sets inventory model of service parts considering the product life cycle and maintenance period, and then analyzes the impact relevant factors on the optimal inventory level and the optimal profit in different product life period. Then this paper extends the model to component commonality in the service supply chain, considering that a new product and an older product share a same part and the after-sales demand of new product is a priority. Through comparing between component commonality model and non-component commonality model, the effect of relevant factors on the application of component commonality is studied. This paper also presents some conclusion and suggestion for management.