Results 191 to 200 of about 148,925 (251)

Livestock Tango: U.S. and Latin America Dance Together, but Who Will Lead?

Applied Economic Perspectives and Policy, EarlyView.
ABSTRACT This study examines the competitiveness between Latin American and U.S. livestock and meat sectors. We employ a computable general equilibrium modeling framework to evaluate two scenarios: coordinated improvements in Latin American productivity, transport efficiency, and market access (Scenario I), and the minimum productivity gains required ...
Taís C. Menezes, Amanda M. Countryman, Dustin L. Pendell   +2 more
wiley   +1 more source

Control software for reconfigurable coprocessors.

, 2005
openaire   +2 more sources

Model‐based fault diagnosis and fault tolerant control in safety‐critical chemical reactors: An experimental study

AIChE Journal, EarlyView.
Abstract This study investigates a fault‐tolerant control (FTC) approach for continuous stirred‐tank reactors (CSTR), emphasizing the importance of timely interventions to ensure operational safety under fault conditions. A systematic methodology combining residual‐based fault estimation and Dynamic Safety Margin (DSM) monitoring is developed to guide ...
Pu Du, Ritu Ranjan, Benjamin Wilhite, Costas Kravaris   +3 more
wiley   +1 more source

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Operational reconfigurability in command and control

Proceedings of the 2004 American Control Conference, 2004
A modern military air operation is modeled as a hybrid feedback control system. The focus of our study is on the impact of the redundancy architecture on the overall air operation, by which the functionality of the controller residing in a Command and Control Center is supported.
N. Eva Wu, Timothy Busch
openaire   +1 more source

RECONFIGURATION OF ON-BOARD CONTROL ALGORITHMS

IFAC Proceedings Volumes, 1983
Abstract Methods of designing control algorithms for on-board terminal systems are considered in which algorithm reconfiguration is used to maintain an acceptable control performance under failures.
V.P. Ivanov, Yu.P. Portnov-Sokolov
openaire   +1 more source

An Optimization Approach to Control Reconfiguration

Dynamics and Control, 1999
The paper investigates the problem of control reconfiguration in response to operating condition changes or abrupt system component failures. The authors propose an optimization algorithm (on the basis of Broyden-Fletcher-Golgfarb-Shanno optimization method of conjugate directions) that always guarantees the stability of all closed-loop eigenvalues ...
Konstantopoulos, Ioannis K., Antsaklis, Panos J.   +1 more
openaire   +2 more sources

A Reconfigurable PID Controller

2018
We survey the Proportional-Integral-Derivative (PID) controller variants and we switch them in runtime via reconfiguration, as the control requirements change. Depending on the PID variant, e.g. P, I, PI, PD, PID, PI-PD, the involved computations to produce the control output are different.
Sikandar Khan, Kyprianos Papadimitriou, Giorgio C. Buttazzo, Kostas Kalaitzakis   +3 more
openaire   +1 more source

Reconfigurable hardware for fuzzy controller

International Journal of High Performance Systems Architecture, 2013
Process control is one of the many applications that took advantage of the fuzzy logic. Controller is usually embedded into the controller device. This paper aims at presenting the development of a reconfigurable efficient architecture for fuzzy controllers, suitable for embedding.
Paulo Renato de Souza Silva Sandres, Nadia Nedjah, Luiza de Macedo Mourelle   +2 more
openaire   +1 more source

Controlling flow reconfigurations in SDN

IEEE INFOCOM 2016 - The 35th Annual IEEE International Conference on Computer Communications, 2016
Software-Defined Network (SDN) controllers include mechanisms to globally reconfigure the network in order to respond to a changing environment. While iterative methods are employed to solve flow optimization problems, demands arrive or leave the system changing the optimization instance and requiring further iterations.
Stefano Paris, Apostolos Destounis, Lorenzo Maggi, Georgios S. Paschos, Jérémie Leguay   +4 more
openaire   +1 more source

Prognosis-enhanced reconfiguration control

2010 International Conference on Networking, Sensing and Control (ICNSC), 2010
This paper attempts to make a conceptual illustration of fault prognosis-enhanced reconfiguration control. The definition of fault propagation and the proposed control adaptation algorithm ensuring the mission completion are discussed in this paper, along with some illustrative examples on prognosis-enhanced reconfiguration control of servomechanisms.
Hai-Long Pei, Douglas W. Brown, George J. Vachtsevanos   +2 more
openaire   +1 more source