Quantum optimal control(QOC)relies on accurately modeling system dynamics and is often challenged by unknown or inaccessible interactions in real systems.Taking an unknown collective spin system as an example,this wor...Quantum optimal control(QOC)relies on accurately modeling system dynamics and is often challenged by unknown or inaccessible interactions in real systems.Taking an unknown collective spin system as an example,this work introduces a machine-learning-based,data-driven scheme to overcome the challenges encountered,with a trained neural network(NN)assuming the role of a surrogate model that captures the system’s dynamics and subsequently enables QOC to be performed on the NN instead of on the real system.The trained NN surrogate proves effective for practical QOC tasks and is further demonstrated to be adaptable to different experimental conditions,remaining robust across varying system sizes and pulse durations.展开更多
针对网络控制系统(NCS)中网络带宽等网络资源受限制的情况,对目前NCS信息调度的研究现状进行了综述.首先介绍了NCS的背景和基本概念,阐述了网络的引入带来的各种影响.然后研究了NCS的动态特性,对现有的信息调度策略和调度方法进行了总...针对网络控制系统(NCS)中网络带宽等网络资源受限制的情况,对目前NCS信息调度的研究现状进行了综述.首先介绍了NCS的背景和基本概念,阐述了网络的引入带来的各种影响.然后研究了NCS的动态特性,对现有的信息调度策略和调度方法进行了总结与分析.进一步分析了在资源受限时如何进行有效的信息调度以保证较高的网络服务质量QoS(Quality ofService)和较好的控制品质QoC(Quality of Control),对一些控制与调度协同设计的研究进行了说明.最后,结合前面的研究分析,讨论了该领域今后进一步的研究方向.展开更多
基金supported by the Innovation Program for Quantum Science and Technology(Grant No.2021ZD0302100)the National Natural Science Foundation of China(Grant Nos.12361131576,92265205,and 92476205).
文摘Quantum optimal control(QOC)relies on accurately modeling system dynamics and is often challenged by unknown or inaccessible interactions in real systems.Taking an unknown collective spin system as an example,this work introduces a machine-learning-based,data-driven scheme to overcome the challenges encountered,with a trained neural network(NN)assuming the role of a surrogate model that captures the system’s dynamics and subsequently enables QOC to be performed on the NN instead of on the real system.The trained NN surrogate proves effective for practical QOC tasks and is further demonstrated to be adaptable to different experimental conditions,remaining robust across varying system sizes and pulse durations.
文摘针对网络控制系统(NCS)中网络带宽等网络资源受限制的情况,对目前NCS信息调度的研究现状进行了综述.首先介绍了NCS的背景和基本概念,阐述了网络的引入带来的各种影响.然后研究了NCS的动态特性,对现有的信息调度策略和调度方法进行了总结与分析.进一步分析了在资源受限时如何进行有效的信息调度以保证较高的网络服务质量QoS(Quality ofService)和较好的控制品质QoC(Quality of Control),对一些控制与调度协同设计的研究进行了说明.最后,结合前面的研究分析,讨论了该领域今后进一步的研究方向.