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泛系拓扑与粗糙集
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作者 王晓艳 马骥 《电子技术与软件工程》 2022年第2期248-251,共4页
本文基于泛系理论中的泛系拓扑、串并空间等理论,对粗糙集理论的上下近似及属性约简进行描述和扩展,建立它们之间的关系,并通过实例进行了解释。将粗糙集理论从新的角度加以研究,进而为粗糙集的进一步完善和扩展找到了一条新路。
关键词 粗糙集 泛系拓扑 串并空间 上逼近 下逼近 属性约简
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Containment Control for First-Order Multi-Agent Systems with Time-Varying Delays and Uncertain Topologies 被引量:4
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作者 王付永 杨洪勇 +1 位作者 张淑宁 韩辅君 《Communications in Theoretical Physics》 SCIE CAS CSCD 2016年第8期249-255,共7页
Containment control of first-order multi-agent systems with uncertain topologies and communication timedelays is studied. Suppose system topologies are dynamically changed, a containment control algorithm with time-va... Containment control of first-order multi-agent systems with uncertain topologies and communication timedelays is studied. Suppose system topologies are dynamically changed, a containment control algorithm with time-varying delays is presented. The stability of the control algorithm is studied under the assumption that communication topologies are jointly-connected, and constraint condition of distributed containment control for delayed multi-agent systems is derived with the aid of Lyapunov–Krasovskii function. Simulation results are provided to prove the correctness and effectiveness of the conclusion. 展开更多
关键词 uncertain topologies time-varying delays multi-agent systems containment control jointly-connected
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