用AI重构调度方案,提升关键系统实时安全性
Reconstruction-Based Adaptive Scheduling Using AI Inferences in Safety-Critical Systems
- 通过AI生成优先级并重构为可执行调度
- 在动态环境中保持无冲突通信与任务约束
- 适合高安全要求的实时系统开发与部署
自适应调度对动态环境下时间触发系统(TTS)的可靠性与安全性至关重要。现有调度框架面临消息冲突、错误依赖导致死锁以及生成不完整或无效调度等问题,威胁系统安全与性能。本文提出一种新型重建框架,可动态验证并组装调度方案。该框架将AI生成或启发式推导的调度优先级,系统性转换为满足关键约束(如依赖关系与无通信冲突)的可执行调度,集成鲁棒安全检查、高效资源分配算法与故障恢复机制,以应对硬件故障与模式切换等突发情况。在多个性能指标(包括最小化完工时间、负载均衡与能效)下进行综合实验,结果表明该框架显著提升系统自适应能力、运行完整性与实时性能,同时保持计算效率。本工作为安全关键型TTS中的安全调度生成提供了实用且可扩展的解决方案,可在高度动态与不确定条件下实现可靠灵活的实时调度。
原文摘要 · Abstract (English)
Adaptive scheduling is crucial for ensuring the reliability and safety of time-triggered systems (TTS) in dynamic operational environments. Scheduling frameworks face significant challenges, including message collisions, locked loops from incorrect precedence handling, and the generation of incomplete or invalid schedules, which can compromise system safety and performance. To address these challenges, this paper presents a novel reconstruction framework designed to dynamically validate and assemble schedules. The proposed reconstruction models operate by systematically transforming AI-generated or heuristically derived scheduling priorities into fully executable schedules, ensuring adherence to critical system constraints such as precedence rules and collision-free communication. It incorporates robust safety checks, efficient allocation algorithms, and recovery mechanisms to handle unexpected context events, including hardware failures and mode transitions. Comprehensive experiments were conducted across multiple performance profiles, including makespan minimisation, workload balancing, and energy efficiency, to validate the operational effectiveness of the reconstruction models. Results demonstrate that the proposed framework significantly enhances system adaptability, operational integrity, and runtime performance while maintaining computational efficiency. Overall, this work contributes a practical and scalable solution to the problem of safe schedule generation in safety-critical TTS, enabling reliable and flexible real-time scheduling even under highly dynamic and uncertain operational conditions.
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