记忆事件触发机制下具有删失测量的2-D系统集员滤波
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O231

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黑龙江省自然科学基金优秀青年项目(YQ2023G004);国家自然科学基金项目(72001059).


Set-membership filtering for 2-D systems with censored measurements under memory event-triggered mechanism
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    摘要:

    在有限带宽网络下, 针对受未知有界噪声和测量删失双重影响的二维(2-D)系统, 研究基于记忆事件触发机制的系统集员滤波问题, 旨在保证滤波性能的同时有效节约网络资源. 首先, 构建由F-M II局部状态空间模型描述的2-D系统, 并采用Tobit模型与饱和策略刻画及处理测量删失特性; 其次, 利用系统历史测量信息, 提出一种新的记忆事件触发机制, 以决定数据是否传输, 从而降低其传输频率; 再次,设计记忆事件触发依赖的集员滤波器, 借助2-D数学归纳法和S-过程给出其存在的充分性判据; 然后, 通过求解一组凸优化问题, 获得确保滤波误差限制在最小椭球内的滤波器增益; 最后, 以热交换过程为例, 验证所提出滤波方案的实用性与优越性.

    Abstract:

    Under the bandwidth-limited network, the memory event-triggered based set-membership filtering issue is investigated for a class of two-dimensional (2-D) systems subject to unknown-but-bounded (UBB) noise and censored measurement, aiming to guarantee filtering performance and conserve the network resources. First, a 2-D system is formulated using the Fornasini-Marchesini II (F-M II) local state-space model. The Tobit model and a saturation strategy are then used to characterize and handle censored measurements. Then, introducing historical measurement information, a novel memory event-triggered mechanism is proposed to determine whether the data can be transmitted, thereby reducing the frequency of data transmission. Based on this, a memory event-triggered set-membership filter is designed. By means of the 2-D mathematical induction and the S-procedure, sufficient conditions are derived to ensure the existence of the desired set-membership filter. Furthermore, the filter gain is obtained in terms of the solutions to a series of convex optimization problems such that the filtering error remains within the minimum ellipsoidal bound. Finally, the practicality and superiority of the proposed filtering scheme are demonstrated with taking a heat exchange process as a case study.

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彭东杰,于浍,刘殿臣,等.记忆事件触发机制下具有删失测量的2-D系统集员滤波[J].控制与决策,2025,40(8):2400-2408

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  • 收稿日期:2025-01-05
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  • 在线发布日期: 2025-07-11
  • 出版日期: 2025-08-20
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