Search results for "Distributed control system"

showing 3 items of 13 documents

IGISOL control system modernization

2016

Abstract Since 2010, the IGISOL research facility at the Accelerator laboratory of the University of Jyvaskyla has gone through major changes. Comparing the new IGISOL4 facility to the former IGISOL3 setup, the size of the facility has more than doubled, the length of the ion transport line has grown to about 50 m with several measurement setups and extension capabilities, and the accelerated ions can be fed to the facility from two different cyclotrons. The facility has evolved to a system comprising hundreds of manual, pneumatic and electronic devices. These changes have prompted the need to modernize also the facility control system taking care of monitoring and transporting the ion beam…

Nuclear and High Energy Physicsta114ta213010308 nuclear & particles physicsComputer sciencesoftwareMaintainabilityIndustrial control systemsystem architecture01 natural scienceslaw.inventionData acquisitionlawControl system0103 physical sciencesSystems engineeringSystems architecturehardwareElectronicsEPICScontrol system010306 general physicsDistributed control systemInstrumentationRemote controlNuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms
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Tracking control of network distributed systems in presence of variable time delay and loss of information

2006

This paper deals with the control of network distributed systems which has been at the centre of interest in a wide area of research in the last few year. The control of such systems is very difficult because the communication networks inevitably introduce variable time delays and possible lost of samples. In particular, it is proposed an extension of the approach, derived in the contest of the optimal stochastic regulator problem [1], [2], to the remote tracking problem considering a distributed control system in which the signals from the transducers to the controller and from the controller to the actuator are transmitted through a communication network with variable delays and possible …

Variable (computer science)Tracking controlnetwork distributed systemSettore ING-INF/04 - AutomaticaComputer scienceControl theoryDistributed computingReal-time computingDistributed control systemTimeoutOptimal controlActuatorTelecommunications network
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Evolutionary approach to coverage testing of IEC 61499 function block applications

2015

The paper addresses the problem of coverage testing of industrial automation software represented in the IEC 61499 standard, one of the recent standards for distributed control system design. Contrary to model-based testing (MBT), the paper focuses on implementation coverage, not model coverage. An approach based on evolutionary algorithms is presented which generates coverage test suites for both basic and composite IEC 61499 function blocks. It employs two third-party tools, FBDK and EvoSuite. The evaluation of the approach was performed on a set of control applications for two lab-scale demonstration plants. Results show that the approach is applicable and shows good performance at least…

business.industryComputer scienceEvolutionary algorithmAutomationEvolutionary computationReliability engineeringSet (abstract data type)SoftwareUnified Modeling LanguageBlock (programming)Software engineeringbusinessDistributed control systemcomputercomputer.programming_language2015 IEEE 13th International Conference on Industrial Informatics (INDIN)
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