IFAC-PapersOnLine最新文献

英文中文

Cooperative Planning Method for Satellite Relay Tracking Based on Spatio-Temporal Graph Neural Network 基于时空图神经网络的卫星中继跟踪协同规划方法

Q3 Engineering

IFAC-PapersOnLine

Pub Date : 2025-01-01 DOI: 10.1016/j.ifacol.2025.11.206

Shuxin Shen , Hutao Cui , Zexu Zhang , Weimin Bao , Tianhao Zhou

Satellite relay tracking of mobile targets holds significance in military reconnaissance and civilian monitoring. However, traditional methods that rely on preplanned observation sequences struggle with autonomous real-time handovers in dynamic scenarios, often causing tracking interruptions or loss of efficiency. This paper proposes an STGNN-based visibility prediction method for collaborative satellite relay planning to achieve real-time trans-satellite task transfer. First, we model satellite-target spatiotemporal correlations via STGNN to predict visibility, achieving a prediction accuracy of greater than 95% that meets realtime decision requirements. Subsequently, a collaborative handover mechanism dynamically aggregates adjacent satellite visibility predictions and status parameters, screening optimal successors through relay selection to ensure tracking continuity. Simulations demonstrate prolonged target tracking and validate effectiveness in dynamic environments, offering a new technical pathway for autonomous satellite cluster coordination.

卫星中继跟踪在军事侦察和民用监视中具有重要意义。然而，依赖于预先规划的观察序列的传统方法在动态场景下难以实现自主实时切换，经常导致跟踪中断或效率降低。提出了一种基于stgnn的协同卫星中继规划可见度预测方法，实现了实时的跨星任务转移。首先，我们通过STGNN对卫星-目标时空相关性进行建模来预测能见度，实现了大于95%的预测精度，满足实时决策要求。随后，协同切换机制动态聚合相邻卫星能见度预测和状态参数，通过中继选择筛选最优后继者，保证跟踪连续性。仿真验证了该方法在动态环境下的目标跟踪时间延长和有效性，为自主卫星集群协调提供了新的技术途径。

引用次数: 0

Characteristics of Lower Stratospheric Wind Fields at Baotou Test Site Using ERA5 Reanalysis Data and Their Effects on Low-Dynamic Vehicles 基于ERA5再分析数据的包头试验场平流层低层风场特征及其对低动力车辆的影响

Q3 Engineering

IFAC-PapersOnLine

Pub Date : 2025-01-01 DOI: 10.1016/j.ifacol.2025.11.205

Zhang Chenning , Dong Apeng , Wang Qite , Bu Yalou , Guo Qian , Bai Xiao

Stratospheric low-dynamic vehicles, serving as essential platforms for near-space exploration, are highly dependent on stratospheric wind field stability for positioning accuracy and energy efficiency. This study investigates the spatiotemporal characteristics of lower stratospheric winds (30–100 hPa) during summer over Baotou’s Damao test site in Inner Mongolia, using ERA5 reanalysis data (2015–2024) from the European Centre for Medium-Range Weather Forecasts (ECMWF). The results reveal distinct zonal wind stratification between 15–25 km altitude, with meridional wind speeds predominantly below 2 m/s. A persistent Quasi-Zero Wind Layer (QZWL) was identified at 70–50 hPa, exhibiting an altitude variation pattern of initial descent followed by ascent. Early August exhibited the most favorable wind conditions, with calm wind occurrences reaching 78%, providing an optimal window for vehicle energy replenishment. Additionally, a westerly-easterly wind reversal zone within the QZWL offers theoretical support for altitude-modulated flight control strategies. Furthermore, a proposed helical flight trajectory demonstrates potential energy savings exceeding 20%. These findings provide critical meteorological insights for optimizing trajectory planning, energy management, and operational site selection for stratospheric low-dynamic vehicles.

平流层低动力飞行器作为近空间探测的重要平台，其定位精度和能源效率高度依赖于平流层风场的稳定性。利用欧洲中期天气预报中心（ECMWF）的ERA5再分析数据（2015-2024年），研究了内蒙古包头达茂试验场夏季平流层低层风（30-100 hPa）的时空特征。结果表明，在海拔15 ~ 25 km之间存在明显的纬向风分层现象，经向风速主要在2 m/s以下。在70 ~ 50 hPa存在一个持续存在的准零风层（QZWL），呈现先下降后上升的高度变化模式。8月上旬风力条件最有利，静风出现率达78%，为车辆补充能量提供了最佳窗口期。此外，QZWL内的西风-东风反转区为高度调制飞行控制策略提供了理论支持。此外，提议的螺旋飞行轨迹显示潜在的节能超过20%。这些发现为优化平流层低动力飞行器的轨迹规划、能量管理和运行地点选择提供了重要的气象见解。

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引用次数: 0

Deployment Strategy for Solar Sails From a Resonant Periodic Orbit in the the Bicircular Restricted Four-Body Problem 双圆受限四体问题中共振周期轨道太阳帆的展开策略

Q3 Engineering

IFAC-PapersOnLine

Pub Date : 2025-01-01 DOI: 10.1016/j.ifacol.2025.11.176

Shiyu An , Ming Liu , Huayi Li , Fan Wu

This study investigates solar sail trajectory design within the bicircular restricted four-body problem (BCR4BP) framework by incorporating radiation pressure effects. A 4:1 synodic resonant orbit is constructed using numerical continuation techniques, followed by systematic stability analysis and parametric sensitivity evaluation. We propose a mission deployment strategy based on dynamical system theory, employing the maximum stretching direction criterion to establish a ”green zone” for safe sail deployment. This optimized region ensures rapid orbital departure while preventing re-contact risks, significantly enhancing mission safety and operational reliability. The findings establish a theoretical foundation for solar sail trajectory design in multi-body gravitational environments and offer valuable insights for implementing solar sail technologies in future deep-space exploration missions.

本研究考虑辐射压力效应，在双圆受限四体问题（BCR4BP）框架下研究太阳帆轨迹设计。采用数值延拓技术构建了4:1滑膜共振轨道，进行了系统稳定性分析和参数灵敏度评价。提出了一种基于动力系统理论的任务部署策略，采用最大拉伸方向准则建立安全部署的“绿区”。该优化区域确保了快速离轨，同时防止了再接触风险，显著提高了任务安全性和运行可靠性。研究结果为多体引力环境下太阳帆的轨迹设计奠定了理论基础，并为未来在深空探测任务中应用太阳帆技术提供了有价值的见解。

引用次数: 0

Multi-UAVs cooperative reconnaissance task planning with prior position information 基于先验位置信息的多无人机协同侦察任务规划

Q3 Engineering

IFAC-PapersOnLine

Pub Date : 2025-01-01 DOI: 10.1016/j.ifacol.2025.11.185

Zhiqiang Han , Lei Hu , Qunxing Zhang , Zhenpeng Wang , Qi Jiang , Mingxin Yin

The prior position information of heterogeneous targets can be captured by satellite, the multi-UAVs are applied to carry out the reconnaissance task to get the detailed intelligence. An improved simulated annealing algorithm based on multiple search rules is proposed to solve the optimal reconnaissance scheme. Firstly, on the foundation of the prior position information of targets, the multi-UAVs cooperative reconnaissance task planning model which contains task assignment and reconnaissance sequence planning is established. Then, the simulated annealing algorithm is improved by designing search rules including exchange, reverse order, insertion, temporary verification, and target assignment, which is applied to acquire the integrated solution of task assignment and reconnaissance sequence. Finally, the effectiveness of the proposed algorithm is verified by simulation experiment. Compared with the benchmark algorithm, the proposed algorithm effectively improves the search efficiency, reduces the reconnaissance cost, and provides a new idea for multi-UAVs cooperative reconnaissance task planning.

利用卫星捕获异构目标的先验位置信息，利用多架无人机执行侦察任务，获取详细情报。提出了一种改进的基于多搜索规则的模拟退火算法来求解最优侦察方案。首先，在目标先验位置信息的基础上，建立了包含任务分配和侦察序列规划的多无人机协同侦察任务规划模型；然后，对模拟退火算法进行改进，设计了交换、逆向排序、插入、临时验证和目标分配等搜索规则，并将其应用于任务分配和侦察序列的综合求解。最后，通过仿真实验验证了该算法的有效性。与基准算法相比，该算法有效地提高了搜索效率，降低了侦察成本，为多无人机协同侦察任务规划提供了新的思路。

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引用次数: 0

Dissipativity-Based Sliding Mode Control for Switched Systems Under ET-WTODP⁎ ET-WTODP下基于耗散的切换系统滑模控制

Q3 Engineering

IFAC-PapersOnLine

Pub Date : 2025-01-01 DOI: 10.1016/j.ifacol.2025.11.177

Te Yu , Hongxu Zhang , Yumeng Zhao , Xiaoman Chen , Siwen Ding

In this paper, the dissipative sliding mode control problem is investigated for a class of discrete time-delay uncertain switched systems. In particular, an event-triggering weighted try-once-discard protocol (ET-WTODP) is designed to save communication resources. Based on this, a novel ET-WTODP-dependent sliding mode controller is designed by the output feedback method, followed by dissipativity analysis. Finally, the simulations confirm the strategy’s effectiveness in balancing control performance and resource conservation.

研究了一类离散时滞不确定切换系统的耗散滑模控制问题。为了节约通信资源，设计了事件触发加权尝试丢弃协议（ET-WTODP）。在此基础上，采用输出反馈方法设计了一种新的et - wtodp相关滑模控制器，并进行了耗散分析。最后通过仿真验证了该策略在平衡控制性能和资源节约方面的有效性。

引用次数: 0

An identification and elimination strategy for disturbance moment and force in full-physical simulation 全物理仿真中扰动力矩和扰动力的识别与消除策略

Q3 Engineering

IFAC-PapersOnLine

Pub Date : 2025-01-01 DOI: 10.1016/j.ifacol.2025.11.188

Zhicheng Yuan , Jun He , Xianxing Shen

Space manipulator plays a crucial role in various space tasks. To reproduce the real experimental environment and simulate the space missions on the ground, full-physical simulation method is essential. This paper proposed an identification and elimination strategy for the disturbance moment and force which come from the insufficiency of the gravity unloading system in the full-physical simulation process. The system structure is described briefly first. Then, the forward kinematics of the 7-DOF manipulator is elaborated for the modeling and analysis of the disturbance moment and force. An identification method for the disturbance force and moment is proposed. The problem of the disturbance force and moment is then transformed into an optimization problem which possesses multiple optimization targets. A new elimination strategy for the disturbance moment and force is proposed. The strategy first converts the problem into a single-objective problem and the optimized input are taken as the initial value for the subsequent multi-objective optimization stage. Simulations are done to verify the feasibility of the proposed method which successfully eliminates the disturbance moment and force.

空间机械臂在各种空间任务中起着至关重要的作用。为了再现真实的实验环境，模拟地面空间任务，全物理仿真方法是必不可少的。针对全物理仿真过程中由于重力卸载系统的不足而产生的扰动力矩和扰动力，提出了一种识别和消除策略。首先简要介绍了系统结构。然后，对七自由度机械臂的正运动学进行了阐述，对扰动力矩和力进行了建模和分析。提出了一种扰动力和力矩的辨识方法。将扰动力和扰动力矩问题转化为具有多个优化目标的优化问题。提出了一种新的扰动力矩和扰动力消除策略。该策略首先将问题转化为单目标问题，并将优化后的输入作为后续多目标优化阶段的初始值。仿真结果验证了该方法的可行性，成功地消除了扰动力矩和力。

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引用次数: 0

Sun-tracking and Attitude Control of Micro Satellites with Rotating Flexible Solar Array 旋转柔性太阳帆板微卫星的太阳跟踪与姿态控制

Q3 Engineering

IFAC-PapersOnLine

Pub Date : 2025-01-01 DOI: 10.1016/j.ifacol.2025.11.186

Mingxiang Li , Zhongwei Liu

This paper investigates the sun-tracking orientation control problem for micro-satellite with flexible solar arrays and solar array drive assembly (SADA). A control algorithm based on the dual-loop controller and sun-tracking orientation control is proposed. Initially, the SADA actuator operates in angle rate control mode, where the increment of the angle rate command is constrained via a limiter function to reduce the excitation of vibrations in the flexible solar arrays. Subsequently, a feedforward control system based on the SADA control torque is implemented to reduce the impact on the satellite attitude control. Simulation results and on-orbit flight telemetry data have validated that this strategy effectively diminishes the influence of SADA sun-tracking control on the flexible solar arrays, and the attitude stabilization control of the satellite can meet the requirements for establishing an inter-satellite laser communication link.

研究了柔性太阳帆板和太阳能帆板驱动组件（SADA）微卫星的太阳跟踪方向控制问题。提出了一种基于双环控制器和太阳跟踪方向控制的控制算法。最初，SADA执行器在角速率控制模式下工作，其中角速率命令的增量通过限制器函数进行约束，以减少柔性太阳能电池阵列中振动的激发。为了减小对卫星姿态控制的影响，采用了基于SADA控制转矩的前馈控制系统。仿真结果和在轨飞行遥测数据验证了该策略有效地减小了SADA太阳跟踪控制对柔性太阳能帆板的影响，卫星姿态稳定控制能够满足建立星间激光通信链路的要求。

引用次数: 0

Optimisation of the treated wastewater production cycle in SBR SBR处理废水生产周期的优化

Q3 Engineering

IFAC-PapersOnLine

Pub Date : 2025-01-01 DOI: 10.1016/j.ifacol.2025.11.594

Tomasz Ujazdowski , Tomasz Zubowicz , Robert Piotrowski

Sequencing batch reactors (SBRs) are a type of water resource recovery facility that operate to eliminate pollutants from used water and serve as a class of critical infrastructure systems (CISs) vital in mitigating ecological degradation. However, typical operational treatment strategies rely on manual tuning and empirical adjustments, limiting process consistency, adaptability, and optimality. This work addresses these limitations and introduces an approach to modelling and operational strategy optimisation of SBR using a finite state machine (FSM) theory. The proposed framework formulates the SBR cycle as a Mealy-type FSM with cycle transitions driven by discrete input events and structured outputs that define control actions. By aligning SBR behaviour with production system principles, the model optimises input sequences and output vector parameters, targeting operational efficiency and treatment quality. This abstraction bridges the gap between process engineering and discrete event system design. Also, it facilitates modular integration with available hierarchical control architectures, supporting automated schedule generation. The advantages include formal verification potential, reduced operator dependency, and compatibility with cyber-physical CIS design requirements. However, the deployment involves process model calibration and integration with supervisory systems.

序批式反应器（SBRs）是一种水资源回收设施，其作用是消除废水中的污染物，并作为一类关键基础设施系统（CISs），对减轻生态退化至关重要。然而，典型的操作处理策略依赖于手动调整和经验调整，限制了过程的一致性、适应性和最优性。这项工作解决了这些限制，并引入了一种使用有限状态机（FSM）理论的SBR建模和操作策略优化方法。所提出的框架将SBR循环表述为一个由离散输入事件和定义控制动作的结构化输出驱动的循环转换的麦式FSM。通过将SBR行为与生产系统原则相结合，该模型可以优化输入序列和输出向量参数，以提高操作效率和处理质量为目标。这种抽象在过程工程和离散事件系统设计之间架起了桥梁。此外，它促进了与可用的分层控制体系结构的模块化集成，支持自动调度生成。其优点包括形式化验证的潜力，减少对操作人员的依赖，以及与网络物理CIS设计要求的兼容性。然而，部署涉及过程模型校准和与监控系统的集成。

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引用次数: 0

Quantum Consensus Algorithms: A Brief Survey and Characterization 量子一致性算法：简要综述和表征

Q3 Engineering

IFAC-PapersOnLine

Pub Date : 2025-01-01 DOI: 10.1016/j.ifacol.2025.11.585

Hyungseop Yu , Hyo-Sung Ahn , Kwang-Kyo Oh

This paper presents a control-theoretic survey of four representative quantum consensus algorithms, with a focus on their convergence properties and implementation feasibility. The selected algorithms—ranging from gossip-based method to measurement-based feedback method and geometric control methods—exhibit fundamentally different convergence targets, including symmetric state consensus and directional alignment of Bloch vectors. Each approach is analyzed in terms of its dynamical structure, physical requirements, and control complexity. To show their performance, numerical simulations are conducted on a 3-qubit network under a fully connected topology. The results imply the trade-offs between convergence strength, coherence preservation, and practical implementability, offering insights for the design of distributed control protocols in quantum networks.

本文从控制理论的角度综述了四种典型的量子一致性算法，重点讨论了它们的收敛性和实现的可行性。所选择的算法-从基于八卦的方法到基于测量的反馈方法和几何控制方法-表现出根本不同的收敛目标，包括对称状态共识和Bloch向量的定向对齐。对每种方法的动态结构、物理要求和控制复杂性进行了分析。为了证明它们的性能，在全连接拓扑下的3量子位网络上进行了数值模拟。结果暗示了收敛强度，相干性保持和实际可实现性之间的权衡，为量子网络中分布式控制协议的设计提供了见解。

引用次数: 0

A Lyapunov-Based Approach to Boolean Networks Under One-Bit Function Perturbation⁎ 基于lyapunov的一元函数摄动布尔网络方法[j]

Q3 Engineering

IFAC-PapersOnLine

Pub Date : 2025-01-01 DOI: 10.1016/j.ifacol.2025.11.586

Aixin Liu , Haitao Li , Lin Wang

In Boolean networks (BNs), robustness typically refers to the system’s ability to tolerate perturbations in either the state or the rule-based structure, both of which can significantly affect network dynamics. For function perturbation of rule-based structure, most existing studies have focused on analyzing the characteristics of the perturbations or investigating the resulting dynamics through simulations. However, few works have employed external analytical tools, such as Lyapunov-based methods, to evaluate the stability of the perturbed BNs. This paper introduces a Lyapunov-based framework for analysing the robust stability of BNs under one-bit function perturbations. We establish a theoretical result showing that if a perturbed BN admits an adaptively adjustable Lyapunov function to some extent, then it is guaranteed to achieve global finite-time stability at the original equilibrium state. Finally, a numerical example is provided to illustrate the theoretical results.

在布尔网络（BNs）中，鲁棒性通常是指系统在状态或基于规则的结构中容忍扰动的能力，这两种扰动都会显著影响网络的动态。对于基于规则的结构的函数摄动，现有的研究大多集中在分析摄动的特征或通过仿真研究其产生的动力学。然而，很少有研究使用外部分析工具，如基于lyapunov的方法来评估扰动bn的稳定性。本文介绍了一种基于lyapunov的框架，用于分析一元函数扰动下bn的鲁棒稳定性。我们建立了一个理论结果，表明如果一个扰动BN在一定程度上允许一个自适应可调的Lyapunov函数，那么它就可以保证在原始平衡状态下达到全局有限时间稳定性。最后，通过数值算例对理论结果进行了验证。

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全部化学•材料生命科学医学物理工程技术环境•农林材料科学地球科学法学管理学化学环境科学与生态学计算机科学教育学经济学农林科学人文科学生物学数学物理与天体物理心理学综合性期刊其他工业工程理学历史学农学文学信息工程

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