Effects of Pickup and Delivery Services by Hub Transshipment across Flexible Time Period
Date Issued
2013
Date
2013
Author(s)
Wardhana, Ariel
Abstract
Pickup and Delivery (P&D) routing problems have been widely studied and various algorithms have been developed to get optimal routing solution. In practice, many transportation-related parties compete to provide high service quality by swiftly doing customer orders, while they try to spend the least expenditure on their P&D trips. However, to deal with large service area and changing demands, collaborative logistic is considered as a good strategy to increase service quality. Collaborative logistic is a cooperation of several enterprises which unite together to collect and deliver items in order to improve logistic efficiency. In this research, a P&D area is divided into multiple regions and a specified party is responsible for each particular region. Moreover, a hub transshipment is set up as a place for all parties to exchange any collected or to-be-delivered items.
Two opposed benchmarks are considered for measuring the quality of proposed collaborative service. The first parameter is the workload of the P&D service providers which is measured by travelled distance. The second parameter is the customer waiting time, which begins at the order release time and finishes when the specified items have arrived at requested destination. Customer orders are accumulated periodically, and the P&D service is performed at the end of every period. Experiments with both original policy and collaborative policy are performed in order to compare and evaluate the effectiveness of the proposed policy. Experiment results show that the proposed policy outperforms original policy in flexible time period.
Subjects
協同政策
轉運站
兩個相對的基準
行駛距離
客戶等候時間
彈性時期
Type
thesis
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