用领域表示调控大模型,自动精准生成生产调度约束
Automated Constraint Specification for Job Scheduling by Regulating Generative Model with Domain-Specific Representation
- 构建三级层次结构空间,通过领域表示提升约束生成精度
- 在真实制造场景中实现90%以上约束准确率,优于纯大模型方法
- 适合制造业自动化调度系统开发人员快速适配新产线
先进规划与排程(APS)系统已成为现代制造运营的必备工具,在日益复杂动态的环境中优化资源配置与生产效率。尽管抽象排程问题的求解算法已广泛研究,但将制造需求转化为正式约束这一关键前提仍依赖人工,耗时费力。尽管生成模型(尤其是大语言模型,LLMs)在从异构制造数据中自动化生成约束方面展现出潜力,但其直接应用受限于自然语言歧义、输出不确定性及领域知识不足。本文提出一种以约束为中心的架构,通过领域特定表示调控LLM,实现生产调度中可靠且自动化的约束生成。该架构定义了跨三个层级的分层结构空间,结合领域表示确保精确性与可靠性,同时保持灵活性。此外,设计并部署了自动化生产场景适配算法,可高效定制该架构以匹配特定制造配置。实验结果表明,该方法成功平衡了LLM的生成能力与制造系统的可靠性要求,在约束生成任务中显著优于纯基于LLM的方法。
原文摘要 · Abstract (English)
Advanced Planning and Scheduling (APS) systems have become indispensable for modern manufacturing operations, enabling optimized resource allocation and production efficiency in increasingly complex and dynamic environments. While algorithms for solving abstracted scheduling problems have been extensively investigated, the critical prerequisite of specifying manufacturing requirements into formal constraints remains manual and labor-intensive. Although recent advances of generative models, particularly Large Language Models (LLMs), show promise in automating constraint specification from heterogeneous raw manufacturing data, their direct application faces challenges due to natural language ambiguity, non-deterministic outputs, and limited domain-specific knowledge. This paper presents a constraint-centric architecture that regulates LLMs to perform reliable automated constraint specification for production scheduling. The architecture defines a hierarchical structural space organized across three levels, implemented through domain-specific representation to ensure precision and reliability while maintaining flexibility. Furthermore, an automated production scenario adaptation algorithm is designed and deployed to efficiently customize the architecture for specific manufacturing configurations. Experimental results demonstrate that the proposed approach successfully balances the generative capabilities of LLMs with the reliability requirements of manufacturing systems, significantly outperforming pure LLM-based approaches in constraint specification tasks.
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