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Finite-time Rotating Encirclement Control of Multi-agent Systems 被引量:3
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作者 lipo mo Yongguang Yu 《自动化学报》 EI CSCD 北大核心 2017年第9期1665-1672,共8页
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Consensus problems on networks with free protocol
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作者 Xiaodong Liu lipo mo 《Chinese Physics B》 SCIE EI CAS CSCD 2021年第7期171-177,共7页
In the real world,rule makers can only restrict,not completely control the behavior of the governed,while the governed can only choose their behavior patterns under these restrictions.In this paper,we design a new con... In the real world,rule makers can only restrict,not completely control the behavior of the governed,while the governed can only choose their behavior patterns under these restrictions.In this paper,we design a new control protocol called free protocol to describe this situation.First,we calculate consensus probabilities based on the information of the interaction networks.Then,sufficient conditions are obtained for all agents converging to a same value with probability one.Finally,numerical simulation results are given to verify the above results. 展开更多
关键词 multi-agent systems random protocol consensus with probability one
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一类基于分数阶梯度信息的变阶次扩散LMS算法
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作者 杨洋 莫立坡 +1 位作者 左敏 于永光 《中国科学:信息科学》 CSCD 北大核心 2024年第8期1907-1923,共17页
针对分布式网络中的参数估计问题,本文提出了一类基于分数阶梯度信息的扩散LMS算法,主要利用分数阶梯度的变阶次机制来提升算法的各项性能.首先,针对已有的集中式分数阶梯度LMS算法,将其推广到分布式网络中的参数估计问题上来.进而,讨... 针对分布式网络中的参数估计问题,本文提出了一类基于分数阶梯度信息的扩散LMS算法,主要利用分数阶梯度的变阶次机制来提升算法的各项性能.首先,针对已有的集中式分数阶梯度LMS算法,将其推广到分布式网络中的参数估计问题上来.进而,讨论了所提算法的收敛速度和收敛精度.其次,考虑到分数阶阶次对于算法性能的影响,设计了一个变分数阶阶次的策略来充分发挥分数阶的优点以提升算法的收敛特性.进一步,证明了切换拓扑结构下所提算法的收敛性.最后,通过数值仿真结果,从收敛速度、收敛精度、鲁棒性等角度验证了所提算法的有效性和优越性. 展开更多
关键词 分布式估计 扩散式LMS算法 适应性滤波 切换拓扑 分数阶微积分
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ROBUST STABILIZATION FOR MULTI-INPUT POLYTOPIC NONLINEAR SYSTEMS 被引量:5
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作者 lipo mo 《Journal of Systems Science & Complexity》 SCIE EI CSCD 2011年第1期93-104,共12页
This paper deals with the problem of the stabilization for multi-input polytopic nonlinear systems. Based on the robust control Lyapunov function, a sufficient condition for the existence of time-invariant, continuous... This paper deals with the problem of the stabilization for multi-input polytopic nonlinear systems. Based on the robust control Lyapunov function, a sufficient condition for the existence of time-invariant, continuous, asymptotically stabilizing state feedback controller is derived. It is shown that the obtained sufficient condition is also necessary if there exists a state feedback controller such that the closed-loop system has a robust Lyapunov function for all possible uncertainties. Moreover, a universal formula for constructing stabilizing controller is proposed and the existence of the corresponding Lyapunov function is proven. Particularly, a Lyapunov function is constructed for the polytopic nonlinear system in canonical form. Finally, the feasibility of the proposed control law is verified by a numerical example. 展开更多
关键词 Existence of Lyapunov function multi-input nonlinear systems polytopic systems robust stabilization.
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