-
作者：Xu, Zhilu; Yuan, Shuang; Yang, Xinsong; Zheng, Wei Xing
作者单位：Sichuan University; Sichuan University; Western Sydney University
摘要：This article considers the input-to-state stability (ISS) problem of nonlinear switched systems under stochastic switching governed by both transition probability and stochastic dwell time. A novel analysis framework of ISS with respect to switched systems is proposed in the sense of Lyapunov. It is shown that the stochastic switching exhibits a positive effect on the ISS issue, and uniform ISS can be achieved even though all subsystems are non-ISS. In addition, the proposed Lyapunov results a...
-
作者：Sun, Zong-Yao; Li, Jiao-Jiao; Wen, Changyun; Chen, Chih-Chiang
作者单位：Qufu Normal University; Nanyang Technological University; National Cheng Kung University
摘要：This article aims to solve two intricate problems in nonlinear control: 1) the singularity caused by driving the control to infinity at the prescribed time and 2) the stabilization via adaptive event-triggered feedback for a class of uncertain nonlinear systems with asymmetric time-varying output constraints. The difficulty is how to dominate the implicit time in the system and the parameter error multiplied by an adaptive law without breaking the time-varying output constraint. To overcome th...
-
作者：Hu, Bin-Bin; Zhang, Hai-Tao; Yao, Weijia; Sun, Zhiyong; Cao, Ming
作者单位：Huazhong University of Science & Technology; Huazhong University of Science & Technology; Hunan University; University of Groningen; Eindhoven University of Technology; University of Groningen
摘要：In this article, we design a distributed coordinated guiding vector field (CGVF) for a group of robots to achieve ordering-flexible motion coordination while maneuvering on a desired 2-D surface. The CGVF is characterized by three terms, i.e., a convergence term to drive the robots to converge to the desired surface, a propagation term to provide a traversing direction for maneuvering on the desired surface, and a coordinated term to achieve the surface motion coordination with an arbitrary or...
-
作者：Wang, Zheming; Jungers, Raphael M.
作者单位：Zhejiang University of Technology; Universite Catholique Louvain
摘要：We study the objective function value performance of the scenario approach for robust convex optimization. A novel method is proposed to derive probabilistic bounds for the objective value from scenario programs with a finite number of samples. This method relies on a max-min reformulation and on the concept of complexity of robust optimization problems. With additional continuity and regularity conditions, via sensitivity analysis, we also provide explicit bounds which outperform the previous...
-
作者：Wang, Weizhe; Fu, Yue; Fu, Jun
作者单位：Northeastern University - China
摘要：In this article, for continuous-time nonlinear systems with unknown dynamics and multiple equilibrium points, an indirect adaptive optimal tracking switching controller consisting of multiple linear indirect adaptive optimal tracking controllers, a robust compensator, and an optimal switching mechanism is proposed by combining optimal tracking scheme with embedding-transformation technique and adaptive algorithm. First, multiple linearized models are used to establish a controller design model...
-
作者：Zhao, Xueyan; Deng, Feiqi
作者单位：South China University of Technology
摘要：In this article, stabilization of systems by delayed noisy states is investigated. The time delays in the stabilizing noisy states are extended into the general form. To support this novelty, the familiar Doob martingale inequality in the continuous version is improved; the equivalence principle, which says that the exponential stability in moment of an anhysteretic stochastic system infers the same property of the corresponding hysteretic system, is extended to the cases with the newly propos...
-
作者：Lavaei, Reza; Bridgeman, Leila J.
作者单位：Duke University
摘要：A controller synthesis method for state- and input-constrained nonlinear systems is presented that seeks continuous piecewise affine (CPA) Lyapunov-like functions and controllers simultaneously. Nonconvex optimization problems are formulated on triangulated subsets of the admissible states that can be refined to meet primary control objectives, such as stability and safety, alongside secondary performance objectives. A multistage design is also given that enlarges the region of attraction (ROA...
-
作者：Studli, Sonja; Yan, Yamin; Seron, Maria M.; Middleton, Richard H.
作者单位：University of Newcastle; Hong Kong University of Science & Technology
摘要：Multiagent consensus systems are commonly studied in regard to their scalability and performance. Their scalability relies heavily on the underlying communication system and its connectivity. While it is possible to generate a random graph, which exhibits almost surely good connectivity even with a large number of agents, in a plug-and-play setting, where agents should be able to connect and disconnect with minimal interruption, the generation of a new communication network, i.e., graph, each ...
-
作者：Yang, Yake; Li, Yuzhe; Shi, Yang; Quevedo, Daniel E.
作者单位：Northeastern University - China; University of Victoria; Queensland University of Technology (QUT)
摘要：The vulnerability analysis of remote state estimation with batch-data detectors is investigated in this article. The considered scenario is that sensors measure the process state and transmit measurements to the remote end via wireless networks, where the yielded innovation may be altered by an adversary in an affine form. At the remote end, a detector utilizing batch statistics is deployed to detect anomalies. In this setup, finding the worst-case estimation performance degradation during a d...
-
作者：Cai, Jiazhi; Gao, Qingbin; Liu, Yifan; Wu, Aiguo
作者单位：Harbin Institute of Technology
摘要：The strong delay-independent stability (DIS) of linear time-invariant-retarded multiple time-delay systems (MTDSs) is studied in the entire delay space. We develop a new one-step discriminant approach utilizing the generalized Dixon resultant, which unveils the necessary and sufficient algebraic condition for the upper frequency bound. The lower frequency bound is rigorously ascertained by further inspecting the zero spectrum. Then, we raise seven postulates concerning the system stability sta...
