A Green Cold Chain Vehicle Routing Optimization Method Considering Time-Varying Speed
By simulating the real road network traffic speed and optimizing vehicle paths and departure time, the high energy consumption and high carbon emission problems caused by traffic congestion in cold chain logistics are solved, and the efficient and low-cost operation of the green cold chain logistics system is achieved.
CN115310659BActive Publication Date: 2025-07-08UNIV OF SCI & TECH OF CHINA
Patent Information
- Application Number
- CN202210716630.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-06-23
- Publication Date
- 2025-07-08
- Estimated Expiration
- 2042-06-23
Smart Images
Figure CN115310659B_ABST
Abstract
The present invention relates to the field of distribution route optimization, and discloses a method for optimizing the route of green cold-chain vehicles considering time-varying speed, which includes the following steps: obtaining the continuous dynamic change information of the vehicle driving speed, simulating the real road network traffic speed function through a step function, and deriving the linear piecewise travel function between any two customer nodes; establishing an optimization model for the route of green cold-chain vehicles with the goal of minimizing the sum of vehicle transportation costs, vehicle refrigeration costs, vehicle carbon emission costs, and labor costs; designing a two-stage hybrid search algorithm to solve the optimization model for the route of green cold-chain vehicles, and simultaneously optimizing the vehicle route and the departure time of each customer node.
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Citation Information
Patent Citations
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