Results 261 to 270 of about 15,525,035 (313)

Stability of uncertain systems with time-varying delays

Fifth World Congress on Intelligent Control and Automation (IEEE Cat. No.04EX788), 2004
This paper provides a new criterion for robust asymptotical stability of a class of uncertain systems with multiple time-varying delays and nonlinear uncertainties based on LaSalle theorem. Firstly, we gave a contractive invariant set for time-delay systems, and then we derived the condition in which the system would be attracted into this invariant ...
null Tang Meilan, null Liu Xing
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Laminated beams with time-varying delay

Osaka Journal of Mathematics, 2021
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Raposo, Carlos A., Ayala, Yolanda S.S., Nonato, Carlos A.S.   +2 more
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Asynchronous Delayed Optimization With Time-Varying Minibatches

IEEE Journal on Selected Areas in Information Theory, 2021
Large-scale learning and optimization problems are often solved in parallel. In a master-worker distributed setup, worker nodes are most often assigned fixed-sized minibatches of data points to process. However, workers may take different amounts of time to complete their per-batch calculations.
Haider Al-Lawati, Tharindu Adikari, Stark C. Draper   +2 more
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Optimal estimation of time-varying delay

ICASSP-88., International Conference on Acoustics, Speech, and Signal Processing, 2003
The authors report on time-varying delay estimation in a multisource single direct acoustic path environment. The signals are stochastic nonstationary processes. The time delays are deterministic time-varying functions described by a finite dimensional vector theta of unknown parameters. The observation noise is spatially correlated.
Isabel M. G. Lourtie, José M. F. Moura
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On time‐varying cyclic delay diversity

European Transactions on Telecommunications, 2006
AbstractCyclic delay diversity (CDD) was introduced in 2001 to obtain spatial diversity in an orthogonal frequency division multiplexing (OFDM) based transmission system. In contrast to space‐time codes, CDD introduces no additional effort at the receiver side, since CDD changes only the channel impulse response seen by the receiver by increasing the ...
Gerd Richter, Martin Bossert, Elena Costa, Martin Weckerle   +3 more
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Teleoperation of Mobile Robots With Time-Varying Delay

IEEE Transactions on Robotics, 2006
This paper proposes a stable control structure for the bilateral teleoperation of mobile robots. The proposed control structure includes a time-delay compensation placed on both the local and remote sites of the teleoperation system. To illustrate the performance and stability of the proposed control structure, experiences on a Pioneer 2DX mobile robot
Emanuel Slawiñski, Vicente A. Mut, José F. Postigo   +2 more
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Averaging Theory for Delay Difference Equations with Time-Varying Delays

SIAM Journal on Applied Mathematics, 1999
A theory of averaging on both finite and infinite time intervals is developed for delay difference equations with time-varying delays. The main results are applied to the adaptive identification of a pipe mixing problem in the presence of time-varying transport delays.
Brad Lehman, Steven P. Weibel
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Synchronization of Uncertain Complex Networks with Time‐Varying Node Delay and Multiple Time‐Varying Coupling Delays

Asian Journal of Control, 2017
AbstractThis paper investigates the synchronization problem of a class of complex dynamical networks via an adaptive control method. It differs from existing works in considering intrinsic delay and multiple different time‐varying coupling delays, and uncertain couplings.
Chuan Zhang, Xingyuan Wang, Chunpeng Wang, Wenjie Zhou   +3 more
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On stability properties of time-varying systems with delays

IEEE Conference on Decision and Control and European Control Conference, 2011
We consider several stability properties in the framework of input-to-state stability for time-varying systems with delays. By following a natural approach to convert a time-varying system to an auxiliary time-invariant system, we obtain several results including Razumikhin-type stability criteria, Razumikhin-Lyapunov functions with non-strict decay ...
Shanaz Tiwari, Yuan Wang 0005
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