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Distributed $mathcal {H}_{infty }$ Resilient Bipartite Control of Multiagent Systems With Semi-Markov Switching 半马尔可夫交换多智能体系统的分布式$mathcal {H}_{infty }$弹性二部控制
IF 4 3区 计算机科学 Q1 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2024-12-13 DOI: 10.1109/JSYST.2024.3506812
Lin Sun;Mingming Wang;Chong Wu;Yuan Ping;Juntong Qi
When information interaction occurs among agents, the communication network could be attacked or the signal interrupted, culminating in systemic instability and mission failure. Therefore, this article proposes $mathcal {H}_{infty }$ resilient bipartite control method to address the security problem of network information interaction among agents within competitive and cooperative multiagent systems. When the communication networks among agents are subject to a replay attack, the system model integrating multisensor weight fusion with an unknown input leader is established first. Then, a detection fusion algorithm is proposed to simultaneously uncover attacker behavior and identify tampered sensors. Considering the intermittent or interrupted communication resulting from the time variability of topology switching among agents, the switching topology is modeled by a semi-Markov process within a signed graph having positive and negative interaction weights. Subsequently, a distributed observer is designed to estimate the unknown input leader, utilizing the semi-Markov interactions among agents and incorporating an adaptive update mechanism to eliminate the dependency on global topology information. Ulteriorly, by solving convex optimization problems, a distributed resilient bipartite controller relying on the observer state is formulated, and achieves the expected $mathcal {H}_{infty }$ performance while remaining resilient against replay attacks. Finally, the superiority of the proposed method is validated through comparative examples.
当代理之间发生信息交互时,通信网络可能受到攻击或信号中断,最终导致系统不稳定和任务失败。因此,本文提出了$mathcal {H}_{infty }$弹性二叉控制方法来解决竞争与合作多代理系统中代理间网络信息交互的安全问题。当代理间的通信网络受到重放攻击时,首先建立了未知输入领导者的多传感器权重融合系统模型。然后,提出一种检测融合算法,以同时发现攻击者行为和识别被篡改的传感器。考虑到代理间拓扑切换的时变性所导致的间歇性或中断通信,切换拓扑由具有正负交互权重的有符号图中的半马尔可夫过程建模。随后,设计了一个分布式观测器,利用代理之间的半马尔可夫交互作用来估计未知的输入领导者,并结合自适应更新机制来消除对全局拓扑信息的依赖。最后,通过求解凸优化问题,制定了依赖于观测器状态的分布式弹性双向控制器,并在抵御重放攻击的同时实现了预期的 $mathcal {H}_{infty }$ 性能。最后,通过对比实例验证了所提方法的优越性。
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引用次数: 0
2024 Index IEEE Systems Journal Vol. 18 2024索引IEEE系统学报第18卷
IF 4 3区 计算机科学 Q1 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2024-12-12 DOI: 10.1109/JSYST.2024.3514272
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引用次数: 0
AP Working Mode Selection and Blocklength Optimization for Industrial URLLC in Network-Assisted Full-Duplex Cell-Free Massive MIMO Systems 网络辅助全双工无小区大规模MIMO系统中工业URLLC的AP工作模式选择和块长度优化
IF 4 3区 计算机科学 Q1 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2024-12-11 DOI: 10.1109/JSYST.2024.3507049
Zheng Sheng;Pengcheng Zhu;Peng Hao;Feng Shu;Fu-Chun Zheng
Network-assisted full-duplex (NAFD) cell-free massive multiple-input–multiple-output (MIMO) systems, which virtually achieve FD transmission by employing half-duplex access points (APs) to simultaneously serve uplink (UL) and downlink (DL) users on the same frequency bands, can decrease latency and enhance reliability since self-interference cancellation is unnecessary and macrodiversity is provided, thus helping industrial ultrareliable low-latency communication applications. In this article, we consider a monitoring scenario of industrial automation in NAFD cell-free systems using finite blocklength codewords and analyze UL and DL signals, end-to-end (E2E) delay, and E2E decoding error probability (DEP). Then, an optimization problem is formulated to minimize the maximum E2E DEP among all actuators by jointly designing AP working mode, UL and DL blocklengths under the E2E delay constraint. We propose the estimation of distribution algorithm-differential evolution (EDA-DE) method with low complexity to obtain a near-optimal solution, where the block coordinate descent is used to divide this problem into two parts. The first AP working mode selection is solved by EDA, and the second UL and DL blocklengths are designed by DE. Simulation results indicate that the performance of our proposed EDA-DE method is close to that of exhaustive search with lower computational complexity.
网络辅助全双工(NAFD)无单元大规模多输入多输出(MIMO)系统通过采用半双工接入点(ap)同时为同一频段的上行链路(UL)和下行链路(DL)用户提供服务,实际上实现了FD传输,可以减少延迟并提高可靠性,因为无需自干扰消除,并且提供了宏分集,从而有助于工业超可靠的低延迟通信应用。在本文中,我们考虑了一个使用有限块长度码字的NAFD无单元系统的工业自动化监控场景,并分析了UL和DL信号、端到端(E2E)延迟和端到端解码错误概率(DEP)。然后,在端到端延迟约束下,通过联合设计AP工作模式、UL和DL块长度,构造了一个最小化所有执行器中最大端到端DEP的优化问题。我们提出了一种低复杂度的估计分布算法-差分进化(EDA-DE)方法来获得近似最优解,其中采用块坐标下降法将该问题分为两部分。第一种AP工作模式选择由EDA解决,第二种UL和DL块长度由DE设计。仿真结果表明,EDA-DE方法性能接近穷举搜索,且计算复杂度较低。
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引用次数: 0
Prescribed-Time Target Enclosing and Tracking With Motion and Visibility Constraints 带有运动和可见性约束的规定时间目标封闭和跟踪
IF 4 3区 计算机科学 Q1 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2024-12-09 DOI: 10.1109/JSYST.2024.3506560
Jiayi Zheng;Shulong Zhao;Xiangke Wang
This article investigates a prescribed-time method for multiple fixed-wing autonomous aerial vehicles (AAVs) to enclose and track a moving target based on relative measurements. Utilizing onboard sensors brings two main challenges, i.e., maintaining the target within the field-of-view and tracking a noncooperative target with limited information. To this end, a prescribed-time enclosing and tracking controller is proposed first, guaranteeing that multiple fixed-wing AAVs converge to the desired trajectories within a prescribed time subject to motion and visibility constraints. Then, considering the dilemma of the input saturation and prescribed-time convergence, a basis for selecting the proper prescribed time is analyzed by mathematical formulations. It is determined by different initial states and constraints rather than arbitrarily. Finally, comparison and simulation results verify the effectiveness of the proposed method within a prescribed time.
本文研究了一种基于相对测量的多架固定翼自主飞行器(aav)对运动目标进行围护和跟踪的规定时间方法。利用机载传感器带来了两个主要挑战,即保持目标在视场内以及在有限信息下跟踪非合作目标。为此,首先提出了一种定时封闭跟踪控制器,保证多架固定翼无人机在运动和可见性约束下在规定时间内收敛到期望轨迹;然后,考虑到输入饱和和规定时间收敛的困境,用数学公式分析了选择适当规定时间的依据。它是由不同的初始状态和约束决定的,而不是任意的。最后,对比和仿真结果验证了该方法在规定时间内的有效性。
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引用次数: 0
IEEE Systems Council Information IEEE系统委员会信息
IF 4 3区 计算机科学 Q1 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2024-12-04 DOI: 10.1109/JSYST.2024.3486435
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引用次数: 0
IEEE Systems Journal Publication Information IEEE系统期刊出版信息
IF 4 3区 计算机科学 Q1 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2024-12-04 DOI: 10.1109/JSYST.2024.3486431
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引用次数: 0
IEEE Systems Journal Information for Authors IEEE系统期刊信息作者
IF 4 3区 计算机科学 Q1 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2024-12-04 DOI: 10.1109/JSYST.2024.3486437
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引用次数: 0
Model Predictive Control for Nonlinear Discrete Cyber–Physical Systems With Joint Deception Attacks 具有联合欺骗攻击的非线性离散网络物理系统模型预测控制
IF 4 3区 计算机科学 Q1 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2024-12-03 DOI: 10.1109/JSYST.2024.3482449
Hongchao Song;Zhenlei Wang
Based on model predictive control and an attack detection mechanism, the stabilization problem of a class of nonlinear discrete-time cyber–physical systems with deception attacks at the sensor-to-controller and controller-to-actuator communication channels is studied. In this article, the deception attacks on both ends of the controller are considered using a more generic probability model. Attack detection models and mechanisms are established to detect the integrity of transmitted information in order to mitigate the impact of deception attacks. To ensure the input-to-state practical stability of the closed-loop system, a model predictive controller is designed based on the detected state. Finally, a simulation case is presented to demonstrate the stability and effectiveness of the proposed method.
基于模型预测控制和攻击检测机制,研究了一类具有欺骗攻击的非线性离散网络物理系统在传感器到控制器和控制器到执行器通信信道上的镇定问题。在本文中,使用更通用的概率模型来考虑控制器两端的欺骗攻击。为了减轻欺骗攻击的影响,建立了攻击检测模型和机制来检测传输信息的完整性。为了保证闭环系统输入状态的实际稳定性,设计了基于检测状态的模型预测控制器。最后通过仿真实例验证了该方法的稳定性和有效性。
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引用次数: 0
Fast Resilience Assessment for Power Systems Under Typhoons Based on Spatial Temporal Graphs 基于时空图的台风作用下电力系统快速恢复力评估
IF 4 3区 计算机科学 Q1 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2024-12-03 DOI: 10.1109/JSYST.2024.3496754
Yuhong Zhu;Yongzhi Zhou;Yong Sun;Wei Li
Despite great progress in modeling the resilience response of power systems under extreme events, it remains difficult to assess the evolutionary trend of system performance at a specific observation moment during such events. Conventional simulation-based assessment methods are typically time-consuming because a series of scenario-specific optimization problems must be solved as a prerequisite. Thus, a spatial-temporal graph-based approach is proposed for fast resilience assessment to provide timely warning information. The key factors, including observable meteorological information, component vulnerabilities, emergency dispatch, and repair strategies, are modeled in the form of matrices that depict the spatial and temporal relationships. Based on these matrices, a spatiotemporal graph neural network is developed to fit the mapping relationship between observable states and resilience indicators, which is trained offline and enables fast assessment via forward inference. Regarding the uncertainties of various extreme scenarios, the evaluation procedure combines the whole-process simulation and single-state replay technologies, which can respectively consider the uncertainties and provide deterministic data labeling for assessment. Finally, the effectiveness of the proposed method is verified on the benchmarks, including the IEEE 118-bus system and a realistic 2868-bus system.
尽管在极端事件下电力系统的弹性响应建模方面取得了很大进展,但在极端事件中,系统性能在特定观测时刻的演化趋势仍然难以评估。传统的基于模拟的评估方法通常非常耗时,因为必须先解决一系列特定于场景的优化问题。为此,提出了一种基于时空图的快速恢复力评估方法,以提供及时的预警信息。关键因素,包括可观测气象信息、组件漏洞、应急调度和修复策略,以矩阵的形式建模,描述了空间和时间关系。基于这些矩阵,建立了一个时空图神经网络来拟合可观测状态与弹性指标之间的映射关系,该网络离线训练并通过前向推理实现快速评估。针对各种极端情景的不确定性,评估程序结合了全过程模拟和单状态重播技术,可以分别考虑不确定性,为评估提供确定性数据标注。最后,在ieee118总线系统和实际2868总线系统的基准测试中验证了所提方法的有效性。
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引用次数: 0
Distributed Multiscale Formation Optimization for Multiagent Systems 多智能体系统的分布式多尺度队形优化
IF 4 3区 计算机科学 Q1 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2024-11-28 DOI: 10.1109/JSYST.2024.3502074
Zhaoxia Peng;Bofan Wu;Guoguang Wen;Tingwen Huang;Ahmed Rahmani
In this article, we study a distributed multiscale formation optimization problem for the multiagent system. The global cost function is subjected to a constraint with an aggregative item, which reveals the degree of aggregation for the multiagent system. A distributed strategy is proposed to optimize the formation configuration at multiple scales, including the position, angle, and size of the formation configuration. The strategy first employs observation and parameter projection technologies to search for the optimal size. Then, it utilizes the gradient and moment to optimize the position and angle of the formation configuration synchronously. Finally, some simulation results are provided to verify the proposed strategy.
本文研究了多智能体系统的分布式多尺度队形优化问题。全局成本函数受一个具有聚合项的约束,揭示了多智能体系统的聚合程度。提出了一种分布式优化策略,可在多个尺度下优化地层配置,包括地层位置、角度和尺寸。该策略首先采用观测和参数投影技术搜索最优尺寸。然后,利用梯度和力矩同步优化地层结构的位置和角度。最后,给出了一些仿真结果来验证所提出的策略。
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IEEE Systems Journal
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