Keyword: simulation
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WEP04 Developing and Validating OPC-UA Based Industrial Controls for Power Supplies at CERN electron, electronics, controls, power-supply 35
 
  • M. Ludwig, J.A.R. Arroyo Garcia, M. Bengulescu, B. Farnham, P.G.J. Gonzalez Jimenez, F. Varela
    CERN, Meyrin, Switzerland
 
  The industrial control systems of CERN’s experiments are undergoing major renovation since 2017 and well into CERN’s second Long Shutdown (LS2) until the end of 2019. Each detector power-supply control system runs several hundred software instances consisting of many different components in parallel on a large scale, broadly distinguishable as servers and clients. Our accumulated experience during LHC runs proves that some complex control issues are impossible to detect using stand-alone components on a small scale only. Furthermore, new components must be developed well before the electron-ics becomes available, without impact on operations. Moreover, during LS2, the improved and now widely established Open Protocol Communication Unified Ar-chitecture (OPC-UA) replaces OPC-DA as middleware protocol. For these reasons, we developed a simulation environment to emulate the real, and valuable, CAEN power-supply electronics underneath the OPC-UA serv-ers. This distributed simulation is configurable to mimic and exceed the nominal conditions during production and provides a repeatable setup for validation. This paper discusses the functionality and use of this simulation service.  
poster icon Poster WEP04 [2.306 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-PCaPAC2018-WEP04  
About • paper received ※ 05 October 2018       paper accepted ※ 15 October 2018       issue date ※ 21 January 2019  
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FRCB4 The Application for Fault Diagnosis and Prediction of Power Supply Control Device on BEPCII electron, power-supply, operation, interface 236
 
  • J. Liu, D. Wang, J.C. Wang, X.L. Wang
    IHEP, Beijing, People’s Republic of China
 
  With the widely adoption of complex electronic devices and microcircuits in accelerator system, the probability of system failure and functional failure will be enlarged. For example, the fault of the magnet power supply front-end electronics devices may cause accelerator energy instability and even lead to beam loss. Therefore, it is very necessary to diagnose and locate the device fault accurately and rapidly, that will induce the high cost of the accelerator operation. Faults diagnosis and prediction can not only improve the safety and reliability of the equipment, but also effectively reduce the equipment’s cycle costing. We applied the FMECA and testability modeling method for the PSI device, which using in BEPCII power supply control system, and evaluated the remaining life of the PSI under certain temperature and humidity condition based on the reliability model and accelerated life test.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-PCaPAC2018-FRCB4  
About • paper received ※ 12 October 2018       paper accepted ※ 18 October 2018       issue date ※ 21 January 2019  
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