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首页> 外文期刊>International Journal of Production Research >An integrated sizing and planning problem in designing diverse vegetable farming systems
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An integrated sizing and planning problem in designing diverse vegetable farming systems

机译：设计各种蔬菜种植系统时的一个综合尺寸和计划问题

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摘要

To support the short food supply chain development in cities, we propose a diverse vegetable farm design model to maximise the farm revenue in response to clients' daily demands in local fresh fruits and vegetables. The model supports decision in creating or adapting farms within or around cities with viable business models. To the best of our knowledge, our model is a first attempt to integrate strategic and tactical decisions on multi-techniques, multi-products and multi-clients production systems. Integrating strategic and tactical decisions, we obtain new solutions that could not be obtained by separating the two decision levels, due to product short-time perishability constraints: on-plot and cold-room storage, loss functions and price reduction. We define a specific formulation of the production methods in the model to consider both cultivation and harvest tasks that compete for limited and expensive labour resource. This paper presents the mixed integer linear programme we develop, as well as graphical and computational results. We have been able to find relevant solutions on a real farm case study that demonstrates the interest of using short time-paces for the strategic sizing of a farm growing fresh perishable products.
机译：为了支持城市中短食品供应链的发展，我们提出了多样化的蔬菜农场设计模型，以最大程度地增加农场收入，以满足客户对当地新鲜水果和蔬菜的日常需求。该模型支持通过可行的商业模型在城市内或城市附近创建或调整农场的决策。据我们所知，我们的模型是将多技术，多产品和多客户生产系统上的战略和战术决策进行整合的首次尝试。整合战略和战术决策，我们获得了新的解决方案，由于产品短期易腐性的限制，我们无法通过将两个决策水平分开来获得新解决方案：原产地和冷藏室的存储，损失函数和价格降低。我们在模型中定义了生产方法的特定公式，以考虑竞争有限且昂贵的劳动力资源的耕种和收获任务。本文介绍了我们开发的混合整数线性程序，以及图形和计算结果。我们已经能够在一个真实的农场案例研究中找到相关的解决方案，该案例表明了使用短时限策略对种植新鲜易腐烂产品的农场进行战略评估的兴趣。

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