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- Title
Coconut sap pickup problem with time windows: a case study.
- Authors
Ongkunaruk, P.; Ongcunaruk, W.
- Abstract
The goal of this study is to determine coconut sap pick up routing for a manufacturer who produces coconut sap beverage to avoid coconut sap quality deterioration during the harvest. The pickup up time is suggested to be within four hours after the coconut sap is tapped. Due to the limited pickup time, a vehicle routing problem with time windows is formulated for this coconut sap picking problem. A mixed integer programming approach is then proposed to find the optimal routing solution that minimizes the total cost consisting of the fixed and variable cost of vehicles and the transportation cost. Compared with the current practice, the optimal pickup routing is able to reduce the daily travel distance by 19.4% and the total travel time by 10.76% while the quality of coconut sap is well maintained.
- Publication
International Food Research Journal, 2015, Vol 22, Issue 5, p2088
- ISSN
1985-4668
- Publication type
Academic Journal