نتایج جستجو برای: network control system ncs
تعداد نتایج: 3694468 فیلتر نتایج به سال:
Distributed control systems have been one of the most studied and challenging areas in control. Networked control systems (NCS) have become interesting research subject in field of distributed control systems over last decade. Many papers focused mainly on theoretical part of NCS and lots of algorithms have been designed. There is lack of practical applications, which deals with concrete implem...
This study investigates the problem of controller design for systems with uncertain sampling rates. The system is controlled through a communication network. The sampling period, within a given interval, is assumed to be time-varying and a simplified framework for the network-induced delay is considered. The overall system is thus described by an uncertain discrete-time model with time-varying ...
Colloidal CsPbX3 (X = Br, Cl, and I) perovskite nanocrystals (NCs) have emerged as promising phosphors and solar cell materials due to their remarkable optoelectronic properties. These properties can be tailored by not only controlling the size and shape of the NCs but also postsynthetic composition tuning through topotactic anion exchange. In contrast, property control by cation exchange is st...
In this paper, attacks caused in the shut circle control system is discussed. To keep the net-worked control systems safe, good, ready and hard to move, getting NCS from of the net attacks is very important. The marked power of thought attackers will not move after any made suggestion copies made to scale, they keep on changing their attack designs as if by chance and dynamically. Distributed g...
An effective error handling mechanism plays an important role to ensure the reliability and robustness of the application of controller area network (CAN) in controlling dynamic systems. This paper addresses a new online error handling approach or named per-sample-error-counting (PSeC) technique that tends to replace native error handling protocol in controller area network (CAN). The mechanism...
The applicability of Model Based Networked Control Systems (MB-NCS) is often limited by the inexact knowledge of the dynamics of the system being controlled. On-line identification of system parameters is used in this paper to upgrade the model of the system, which is used to control the real system when feedback information is unavailable. Background material is offered on the topic of paramet...
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In this paper, the nonlinear systems with time delay network control is discussed transmission delays and packet dropouts for networked control system with random time delay are analyzed. In this paper, online delay estimation method to obtain the delay value, the delay value is an input parameter of fuzzy adaptive PID controller, fuzzy PID temporal adjustment based on genetic algorithm and Par...
Networked control systems (NCS) provide many advantages for idustrial development. For larger scale systems and more complex systems usage of NCS’s will become mandatory. However usage of networked control systems introduces time-delay uncertainty in closed-loop system dynamics. These time delays are caused by the time sharing of the communication medium as well as computation time necessary fo...
This paper discusses the modeling and analysis of Networked Control Systems (NCSs) where sensors, actuators, and controllers are distributed and interconnected by a common communication medium. Therefore, multiple distributed communication delays as well as multiple inputs and multiple outputs are considered in the modeling algorithm. In addition, the asynchronous sampling mechanisms of distrib...
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