Supply Chain Optimization via Generative Simulation and Iterative Decision Policies
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arXiv
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| Format: | Preprint |
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2025
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| _version_ | 1866912473676775424 |
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| author | Bai, Haoyue Wang, Haoyu Gong, Nanxu Wang, Xinyuan Ying, Wangyang Chen, Haifeng Fu, Yanjie |
| author_facet | Bai, Haoyue Wang, Haoyu Gong, Nanxu Wang, Xinyuan Ying, Wangyang Chen, Haifeng Fu, Yanjie |
| contents | High responsiveness and economic efficiency are critical objectives in supply chain transportation, both of which are influenced by strategic decisions on shipping mode. An integrated framework combining an efficient simulator with an intelligent decision-making algorithm can provide an observable, low-risk environment for transportation strategy design. An ideal simulation-decision framework must (1) generalize effectively across various settings, (2) reflect fine-grained transportation dynamics, (3) integrate historical experience with predictive insights, and (4) maintain tight integration between simulation feedback and policy refinement. We propose Sim-to-Dec framework to satisfy these requirements. Specifically, Sim-to-Dec consists of a generative simulation module, which leverages autoregressive modeling to simulate continuous state changes, reducing dependence on handcrafted domain-specific rules and enhancing robustness against data fluctuations; and a history-future dual-aware decision model, refined iteratively through end-to-end optimization with simulator interactions. Extensive experiments conducted on three real-world datasets demonstrate that Sim-to-Dec significantly improves timely delivery rates and profit. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2507_07355 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Supply Chain Optimization via Generative Simulation and Iterative Decision Policies Bai, Haoyue Wang, Haoyu Gong, Nanxu Wang, Xinyuan Ying, Wangyang Chen, Haifeng Fu, Yanjie Artificial Intelligence High responsiveness and economic efficiency are critical objectives in supply chain transportation, both of which are influenced by strategic decisions on shipping mode. An integrated framework combining an efficient simulator with an intelligent decision-making algorithm can provide an observable, low-risk environment for transportation strategy design. An ideal simulation-decision framework must (1) generalize effectively across various settings, (2) reflect fine-grained transportation dynamics, (3) integrate historical experience with predictive insights, and (4) maintain tight integration between simulation feedback and policy refinement. We propose Sim-to-Dec framework to satisfy these requirements. Specifically, Sim-to-Dec consists of a generative simulation module, which leverages autoregressive modeling to simulate continuous state changes, reducing dependence on handcrafted domain-specific rules and enhancing robustness against data fluctuations; and a history-future dual-aware decision model, refined iteratively through end-to-end optimization with simulator interactions. Extensive experiments conducted on three real-world datasets demonstrate that Sim-to-Dec significantly improves timely delivery rates and profit. |
| title | Supply Chain Optimization via Generative Simulation and Iterative Decision Policies |
| topic | Artificial Intelligence |
| url | https://arxiv.org/abs/2507.07355 |