時窗限制多車種回程取貨車輛路線問題(Heterogeneous Fleet Vehicle Routing Problem with Backhauls and Time Windows, HVRPBTW)是車輛路線問題(Vehicle Routing Problem, VRP)的延伸，屬於解題複雜度很高的NP-hard問題，且在物流配送實務上有很高的應用價值。本研究提出一套可求解HVRPBTW之兩階段回溯型門檻接受法(Two-Phase Back-tracking Threshold Accepting The Heterogeneous Fleet Vehicle Routing Problem with Backhauls and Time Windows (HVRPBTW), an extent of the classical Vehicle Routing Problem, is a very complicated NP-hard problem and it is full of value in real world practices. In this paper, we combine
