A security issue with multi-sensor unmanned aerial vehicle(UAV)cyber physical systems(CPS)from the viewpoint of a false data injection(FDI)attacker is investigated in this paper.The FDI attacker can employ attacks on ...A security issue with multi-sensor unmanned aerial vehicle(UAV)cyber physical systems(CPS)from the viewpoint of a false data injection(FDI)attacker is investigated in this paper.The FDI attacker can employ attacks on feedback and feed-forward channels simultaneously with limited resource.The attacker aims at degrading the UAV CPS's estimation performance to the max while keeping stealthiness characterized by the Kullback-Leibler(K-L)divergence.The attacker is resource limited which can only attack part of sensors,and the attacked sensor as well as specific forms of attack signals at each instant should be considered by the attacker.Also,the sensor selection principle is investigated with respect to time invariant attack covariances.Additionally,the optimal switching attack strategies in regard to time variant attack covariances are modeled as a multi-agent Markov decision process(MDP)with hybrid discrete-continuous action space.Then,the multi-agent MDP is solved by utilizing the deep Multi-agent parameterized Q-networks(MAPQN)method.Ultimately,a quadrotor near hover system is used to validate the effectiveness of the results in the simulation section.展开更多
为满足新兴产业对人才的需求,改变传统自动化专业实践课程对学生吸引力不强的现状,东华大学信息科学与技术学院建设了以智能制造为主题的专业实践课程体系。其中,在面向离散制造的智能制造实践教学部分,应用西门子Tecnomatix Process Si...为满足新兴产业对人才的需求,改变传统自动化专业实践课程对学生吸引力不强的现状,东华大学信息科学与技术学院建设了以智能制造为主题的专业实践课程体系。其中,在面向离散制造的智能制造实践教学部分,应用西门子Tecnomatix Process Simulate软件,设计了基于数字孪生技术的多机器人生产线系统,用于培训学生对机器人进行离线编程及基于控制逻辑事件驱动的虚拟仿真;在自动化专业综合实习课程中,应用西门子NX MCD研制了基于CPS的工业智能制造虚拟仿真平台,使学生编制的PLC程序经数据通信控制该虚拟仿真平台上的工业智能制造生产线,实现虚拟设备调试和运行。该实践课程建设符合智能生产设计理念,为自动化专业工程实践教学改革提供了一种新的思路。展开更多
文摘A security issue with multi-sensor unmanned aerial vehicle(UAV)cyber physical systems(CPS)from the viewpoint of a false data injection(FDI)attacker is investigated in this paper.The FDI attacker can employ attacks on feedback and feed-forward channels simultaneously with limited resource.The attacker aims at degrading the UAV CPS's estimation performance to the max while keeping stealthiness characterized by the Kullback-Leibler(K-L)divergence.The attacker is resource limited which can only attack part of sensors,and the attacked sensor as well as specific forms of attack signals at each instant should be considered by the attacker.Also,the sensor selection principle is investigated with respect to time invariant attack covariances.Additionally,the optimal switching attack strategies in regard to time variant attack covariances are modeled as a multi-agent Markov decision process(MDP)with hybrid discrete-continuous action space.Then,the multi-agent MDP is solved by utilizing the deep Multi-agent parameterized Q-networks(MAPQN)method.Ultimately,a quadrotor near hover system is used to validate the effectiveness of the results in the simulation section.
文摘为满足新兴产业对人才的需求,改变传统自动化专业实践课程对学生吸引力不强的现状,东华大学信息科学与技术学院建设了以智能制造为主题的专业实践课程体系。其中,在面向离散制造的智能制造实践教学部分,应用西门子Tecnomatix Process Simulate软件,设计了基于数字孪生技术的多机器人生产线系统,用于培训学生对机器人进行离线编程及基于控制逻辑事件驱动的虚拟仿真;在自动化专业综合实习课程中,应用西门子NX MCD研制了基于CPS的工业智能制造虚拟仿真平台,使学生编制的PLC程序经数据通信控制该虚拟仿真平台上的工业智能制造生产线,实现虚拟设备调试和运行。该实践课程建设符合智能生产设计理念,为自动化专业工程实践教学改革提供了一种新的思路。
