基于双线性Koopman算子的非线性多智能体系统的分布式自触发一致性控制OA
Distributed Self-Triggered Consensus Control of Nonlinear Multi-Agent Systems Based on Bilinear Koopman Operators
本文针对一类模型未知的离散时间非线性多智能体系统一致性控制问题,提出了一种基于双线性Koopman算子的分布式自触发预测控制方法.针对传统基于模型的控制方法在复杂非线性系统中建模困难、控制性能受限的问题,本文构建了一种完全数据驱动的双线性Koopman建模框架,通过设计由提升网络、双线性层和重构网络组成的深度神经网络结构,实现对未知非线性系统在提升空间中双线性动力学的有限维近似表达.为避免深度Koopman模型中超参数依赖人工经验所导致的模型精度与泛化能力受限,进一步引入贝叶斯优化方法对网络结构及训练超参数进行自适应寻优,从而在有限训练代价下显著提升模型预测性能,建立基于贝叶斯优化的深度双线性Koopman模型.在此基础上,考虑多智能体系统中计算与通信资源受限的实际需求,提出了一种基于自触发机制的分布式模型预测控制策略,各智能体仅在触发时刻基于局部邻居信息求解优化问题并预测下一触发时刻,从而有效减少了通信次数并降低计算负担.此外,证明了在所设计自触发策略下一致性误差系统的输入到状态稳定性,保证了一致性误差最终有界.最后,通过一个仿真实验验证了所提出方法在非线性多智能体系统一致性控制中的有效性,且相较于现有基于线性Koopman模型的控制方法,所提出的方法具有更低的触发频率.
This paper proposes a distributed self-triggered predictive control method based on bilinear Koopman oper-ators for the consensus control problem of a class of model-unknown discrete-time nonlinear multi-agent systems.Address-ing the challenges of modeling complexity and limited control performance in traditional model-based approaches for com-plex nonlinear systems,this paper constructs a fully data-driven bilinear Koopman modeling framework.By designing a deep neural network architecture comprising a lifting network,a bilinear layer,and a reconstruction network,it achieves a fi-nite-dimensional approximation of the bilinear dynamics of the unknown nonlinear system in the lifting space.To overcome the limitations in model accuracy and generalization caused by hyperparameter dependence on manual expertise in deep Koopman models,Bayesian optimization is further introduced for adaptive optimization of the network architecture and training hyperparameters.This significantly enhances predictive performance with reduced training costs,establishing a Bayesian-optimized deep bilinear Koopman model.Building upon this foundation,considering the practical constraints of computational and communication resources in multi-agent systems,a distributed model predictive control strategy based on a self-triggering mechanism is proposed.Each agent solves the optimization problem and predicts the next trigger time only at the trigger moment based on local neighbor information,effectively reducing communication frequency and compu-tational burden.Furthermore,the input-to-state stability of the consensus error system under the designed self-triggering strategy is proven,ensuring the eventual boundedness of the consensus error.Finally,a simulation experiment validates the effectiveness of the proposed method in the consensus control of nonlinear multi-agent systems,demonstrating lower trigger frequencies compared to existing control methods based on linear Koopman models.
徐鑫龙;黄霞;石擎宇;王震;李玉霞
山东科技大学电气与自动化工程学院,山东 青岛 266590山东科技大学电气与自动化工程学院,山东 青岛 266590山东科技大学电气与自动化工程学院,山东 青岛 266590山东科技大学数学与系统科学学院,山东 青岛 266590山东科技大学电气与自动化工程学院,山东 青岛 266590
信息技术与安全科学
多智能体系统分布式预测控制双线性Koopman算子自触发机制深度神经网络贝叶斯优化
multi-agent systemsdistributed predictive cooperative controlbilinear Koopman operatorself-trig-gered mechanismdeep neural networkBayesian optimization
《电子学报》 2026 (3)
1013-1023,11
国家自然科学基金(No.62573274,No.62173214)山东省自然科学基金(No.ZR2024MF001) National Natural Science Foundation of China(No.62573274,No.62173214)Shandong Pro-vincial Natural Science Foundation(No.ZR2024MF001)
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