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arXiv · 2512.08536

Principles2Plan: LLM-Guided System for Operationalising Ethical Principles into Plans

Tammy Zhong·Yang Song·Maurice Pagnucco
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Abstract

Ethical awareness is critical for robots operating in human environments, yet existing automated planning tools provide little support. Manually specifying ethical rules is labour-intensive and highly context-specific. We present Principles2Plan, an interactive research prototype demonstrating how a human and a Large Language Model (LLM) can collaborate to produce context-sensitive ethical rules and guide automated planning. A domain expert provides the planning domain, problem details, and relevant high-level principles such as beneficence and privacy. The system generates operationalisable ethical rules consistent with these principles, which the user can review, prioritise, and supply to a planner to produce ethically-informed plans. To our knowledge, no prior system supports users in generating principle-grounded rules for classical planning contexts. Principles2Plan showcases the potential of human-LLM collaboration for making ethical automated planning more practical and feasible.

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Tammy Zhong, Yang Song, Maurice Pagnucco. 2025-12-09. Principles2Plan: LLM-Guided System for Operationalising Ethical Principles into Plans. https://arxiv.org/abs/2512.08536

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