Search results for: V. Frolov

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Frolov</title> <meta name="description" content="Search results for: V. Frolov"> <meta name="keywords" content="V. Frolov"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block d-lg-none navbar-toggler ml-auto" type="button" data-toggle="collapse" data-target="#navbarMenu" aria-controls="navbarMenu" aria-expanded="false" aria-label="Toggle navigation"> <span class="navbar-toggler-icon"></span> </button> <div class="w-100"> <div class="d-none d-lg-flex flex-row-reverse"> <form method="get" action="https://waset.org/search" class="form-inline my-2 my-lg-0"> <input class="form-control mr-sm-2" type="search" placeholder="Search Conferences" value="V. 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Frolov"> <input type="submit" class="btn_search" value="Search"> </div> </div> </form> </div> </div> <div class="row mt-3"> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Commenced</strong> in January 2007</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Frequency:</strong> Monthly</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Edition:</strong> International</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Paper Count:</strong> 3</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: V. Frolov</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">3</span> The Communication Library DIALOG for iFDAQ of the COMPASS Experiment</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Y.%20Bai">Y. Bai</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Bodlak"> M. Bodlak</a>, <a href="https://publications.waset.org/abstracts/search?q=V.%20Frolov"> V. Frolov</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Huber"> S. Huber</a>, <a href="https://publications.waset.org/abstracts/search?q=V.%20Jary"> V. Jary</a>, <a href="https://publications.waset.org/abstracts/search?q=I.%20Konorov"> I. Konorov</a>, <a href="https://publications.waset.org/abstracts/search?q=D.%20Levit"> D. Levit</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20Novy"> J. Novy</a>, <a href="https://publications.waset.org/abstracts/search?q=D.%20Steffen"> D. Steffen</a>, <a href="https://publications.waset.org/abstracts/search?q=O.%20Subrt"> O. Subrt</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Virius"> M. Virius</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Modern experiments in high energy physics impose great demands on the reliability, the efficiency, and the data rate of Data Acquisition Systems (DAQ). This contribution focuses on the development and deployment of the new communication library DIALOG for the intelligent, FPGA-based Data Acquisition System (iFDAQ) of the COMPASS experiment at CERN. The iFDAQ utilizing a hardware event builder is designed to be able to readout data at the maximum rate of the experiment. The DIALOG library is a communication system both for distributed and mixed environments, it provides a network transparent inter-process communication layer. Using the high-performance and modern C++ framework Qt and its Qt Network API, the DIALOG library presents an alternative to the previously used DIM library. The DIALOG library was fully incorporated to all processes in the iFDAQ during the run 2016. From the software point of view, it might be considered as a significant improvement of iFDAQ in comparison with the previous run. To extend the possibilities of debugging, the online monitoring of communication among processes via DIALOG GUI is a desirable feature. In the paper, we present the DIALOG library from several insights and discuss it in a detailed way. Moreover, the efficiency measurement and comparison with the DIM library with respect to the iFDAQ requirements is provided. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=data%20acquisition%20system" title="data acquisition system">data acquisition system</a>, <a href="https://publications.waset.org/abstracts/search?q=DIALOG%20library" title=" DIALOG library"> DIALOG library</a>, <a href="https://publications.waset.org/abstracts/search?q=DIM%20library" title=" DIM library"> DIM library</a>, <a href="https://publications.waset.org/abstracts/search?q=FPGA" title=" FPGA"> FPGA</a>, <a href="https://publications.waset.org/abstracts/search?q=Qt%20framework" title=" Qt framework"> Qt framework</a>, <a href="https://publications.waset.org/abstracts/search?q=TCP%2FIP" title=" TCP/IP"> TCP/IP</a> </p> <a href="https://publications.waset.org/abstracts/62968/the-communication-library-dialog-for-ifdaq-of-the-compass-experiment" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/62968.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">316</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2</span> The DAQ Debugger for iFDAQ of the COMPASS Experiment</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Y.%20Bai">Y. Bai</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Bodlak"> M. Bodlak</a>, <a href="https://publications.waset.org/abstracts/search?q=V.%20Frolov"> V. Frolov</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Huber"> S. Huber</a>, <a href="https://publications.waset.org/abstracts/search?q=V.%20Jary"> V. Jary</a>, <a href="https://publications.waset.org/abstracts/search?q=I.%20Konorov"> I. Konorov</a>, <a href="https://publications.waset.org/abstracts/search?q=D.%20Levit"> D. Levit</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20Novy"> J. Novy</a>, <a href="https://publications.waset.org/abstracts/search?q=D.%20Steffen"> D. Steffen</a>, <a href="https://publications.waset.org/abstracts/search?q=O.%20Subrt"> O. Subrt</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Virius"> M. Virius</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In general, state-of-the-art Data Acquisition Systems (DAQ) in high energy physics experiments must satisfy high requirements in terms of reliability, efficiency and data rate capability. This paper presents the development and deployment of a debugging tool named DAQ Debugger for the intelligent, FPGA-based Data Acquisition System (iFDAQ) of the COMPASS experiment at CERN. Utilizing a hardware event builder, the iFDAQ is designed to be able to readout data at the average maximum rate of 1.5 GB/s of the experiment. In complex softwares, such as the iFDAQ, having thousands of lines of code, the debugging process is absolutely essential to reveal all software issues. Unfortunately, conventional debugging of the iFDAQ is not possible during the real data taking. The DAQ Debugger is a tool for identifying a problem, isolating the source of the problem, and then either correcting the problem or determining a way to work around it. It provides the layer for an easy integration to any process and has no impact on the process performance. Based on handling of system signals, the DAQ Debugger represents an alternative to conventional debuggers provided by most integrated development environments. Whenever problem occurs, it generates reports containing all necessary information important for a deeper investigation and analysis. The DAQ Debugger was fully incorporated to all processes in the iFDAQ during the run 2016. It helped to reveal remaining software issues and improved significantly the stability of the system in comparison with the previous run. In the paper, we present the DAQ Debugger from several insights and discuss it in a detailed way. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=DAQ%20Debugger" title="DAQ Debugger">DAQ Debugger</a>, <a href="https://publications.waset.org/abstracts/search?q=data%20acquisition%20system" title=" data acquisition system"> data acquisition system</a>, <a href="https://publications.waset.org/abstracts/search?q=FPGA" title=" FPGA"> FPGA</a>, <a href="https://publications.waset.org/abstracts/search?q=system%20signals" title=" system signals"> system signals</a>, <a href="https://publications.waset.org/abstracts/search?q=Qt%20framework" title=" Qt framework"> Qt framework</a> </p> <a href="https://publications.waset.org/abstracts/67334/the-daq-debugger-for-ifdaq-of-the-compass-experiment" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/67334.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">284</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1</span> Ways to Prevent Increased Wear of the Drive Box Parts and the Central Drive of the Civil Aviation Turbo Engine Based on Tribology</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Liudmila%20Shabalinskaya">Liudmila Shabalinskaya</a>, <a href="https://publications.waset.org/abstracts/search?q=Victor%20Golovanov"> Victor Golovanov</a>, <a href="https://publications.waset.org/abstracts/search?q=Liudmila%20Milinis"> Liudmila Milinis</a>, <a href="https://publications.waset.org/abstracts/search?q=Sergey%20Loponos"> Sergey Loponos</a>, <a href="https://publications.waset.org/abstracts/search?q=Alexander%20Maslov"> Alexander Maslov</a>, <a href="https://publications.waset.org/abstracts/search?q=D.%20O.%20Frolov"> D. O. Frolov</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The work is devoted to the rapid laboratory diagnosis of the condition of aircraft friction units, based on the application of the nondestructive testing method by analyzing the parameters of wear particles, or tribodiagnostics. The most important task of tribodiagnostics is to develop recommendations for the selection of more advanced designs, materials and lubricants based on data on wear processes for increasing the life and ensuring the safety of the operation of machines and mechanisms. The object of tribodiagnostics in this work are the tooth gears of the central drive and the gearboxes of the gas turbine engine of the civil aviation PS-90A type, in which rolling friction and sliding friction with slip occur. The main criterion for evaluating the technical state of lubricated friction units of a gas turbine engine is the intensity and rate of wear of the friction surfaces of the friction unit parts. When the engine is running, oil samples are taken and the state of the friction surfaces is evaluated according to the parameters of the wear particles contained in the oil sample, which carry important and detailed information about the wear processes in the engine transmission units. The parameters carrying this information include the concentration of wear particles and metals in the oil, the dispersion composition, the shape, the size ratio and the number of particles, the state of their surfaces, the presence in the oil of various mechanical impurities of non-metallic origin. Such a morphological analysis of wear particles has been introduced into the order of monitoring the status and diagnostics of various aircraft engines, including a gas turbine engine, since the type of wear characteristic of the central drive and the drive box is surface fatigue wear and the beginning of its development, accompanied by the formation of microcracks, leads to the formation of spherical, up to 10 渭m in size, and in the aftermath of flocculent particles measuring 20-200 渭m in size. Tribodiagnostics using the morphological analysis of wear particles includes the following techniques: ferrography, filtering, and computer analysis of the classification and counting of wear particles. Based on the analysis of several series of oil samples taken from the drive box of the engine during their operating time, a study was carried out of the processes of wear kinetics. Based on the results of the study and comparing the series of criteria for tribodiagnostics, wear state ratings and statistics of the results of morphological analysis, norms for the normal operating regime were developed. The study allowed to develop levels of wear state for friction surfaces of gearing and a 10-point rating system for estimating the likelihood of the occurrence of an increased wear mode and, accordingly, prevention of engine failures in flight. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=aviation" title="aviation">aviation</a>, <a href="https://publications.waset.org/abstracts/search?q=box%20of%20drives" title=" box of drives"> box of drives</a>, <a href="https://publications.waset.org/abstracts/search?q=morphological%20analysis" title=" morphological analysis"> morphological analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=tribodiagnostics" title=" tribodiagnostics"> tribodiagnostics</a>, <a href="https://publications.waset.org/abstracts/search?q=tribology" title=" tribology"> tribology</a>, <a href="https://publications.waset.org/abstracts/search?q=ferrography" title=" ferrography"> ferrography</a>, <a href="https://publications.waset.org/abstracts/search?q=filtering" title=" filtering"> filtering</a>, <a href="https://publications.waset.org/abstracts/search?q=wear%20particle" title=" wear particle"> wear particle</a> </p> <a href="https://publications.waset.org/abstracts/81633/ways-to-prevent-increased-wear-of-the-drive-box-parts-and-the-central-drive-of-the-civil-aviation-turbo-engine-based-on-tribology" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/81633.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">259</span> </span> </div> </div> </div> </main> <footer> <div id="infolinks" class="pt-3 pb-2"> <div class="container"> <div style="background-color:#f5f5f5;" class="p-3"> <div class="row"> <div class="col-md-2"> <ul class="list-unstyled"> About <li><a href="https://waset.org/page/support">About 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Search results for: V. Frolov