نتایج جستجو برای: network control system ncs
تعداد نتایج: 3694468 فیلتر نتایج به سال:
This report is dedicated to the Local Area Network of the Nuclotron superconducting synchrotron, which is intended to accelerate nuclei and multicharged ions including the heaviest ones up to the energy of 6 GeV/u for the charge to mass ratio Z/A = 1/2. The Nuclotron Control System (NCS) provided an efficient support for the machine operations during all runs. The NCS accomplishes geographicall...
This paper focuses on the development of a suitable Fault Detection and Isolation (FDI) strategy for application to a system of inter-connected and distributed systems, as a basis for a fault-tolerant Network Control System (NCS) problem. The work follows a recent study showing that a hierarchical decentralized control system architecture may be suitable for fault-tolerant control (FTC) of a ne...
In This research work we discussed about Networked control systems (NCS) for controlling flow rate of two nonintrecting tank processes using ANN controller. Basically NCS are used for distributed computing and control systems with sensors, actuators and controllers that communicate over a shared medium. The distributed nature of NCS and issues related to the shared communication medium pose sig...
In this paper, we provide experimental results in the application of the results of [4]. Based on the theoretic work in [4], we propose an estimator-based delaycompensation algorithm to stabilize a networked control system (NCS) with network-induced stochastic time delays, data-packet losses, and out-of-order data-packet transmissions. With the p-sampling-period delay upper bound, the NCS can a...
Designing a control system over Wireless Sensor/Actuator Network (WSAN) devices increases the coupling of many aspects, and the need for a sound discipline for writing/designing embedded software becomes more apparent. Such a WSAN-based control architecture is called a Networked Control System (NCS). At present, many frameworks support some steps of the NCS design flow, however there is no end-...
A Network Control System (NCS) consists of control components that interact with the plant over a shared network. The system dynamics of a NCS could be subject to noise arising from randomness in the times at which the data is transmitted over the network, corruption of the transmitted data by the communication network, and external disturbances that might affect the plant. A question of intere...
High Performance Distributed Computing (HPDC) applications require low-latency and high-throughput communication services and HPDC applications have diierent Quality of Service (QOS) requirements (e.g., bandwidth requirement, ow/error control algorithms, etc.). The communication services provided by traditional message-passing systems are xed and thus can not be changed to meet the requirements...
The network disturbance effect can be considered as either a perturbation or as a pure time delay for the exchanged signals. The network-induced time delay is one of the main challenges when a network is inserted in the feedback loops of a control system. In this paper, our objective is to improve the behavior of a Networked Control System (NCS) by analyzing the time-delay given that the decent...
Time delay plays a critical role in the performance of real-time Networked Control Systems (NCS). It can destabilise the NCS as it deteriorates the performance and stability of networked control systems. Communication networks inevitably introduce delays in NCS. Therefore, it is necessary to compensate the time delay. The time taken by the system depends upon the characteristics of the network ...
The networked control system (NCS) in industrial applications, such as computerized numerical control (CNC) machine tools and robots, possess advantages of simple wiring, expansion flexibility, and easy maintenance. However, the introduced network delay is unavoidable. Moreover, in real-time synchronized multi-axis NCS, all motion messages transmitted through the network are required to be rece...
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