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  • Articles: DFG German National Licenses  (2)
  • Benedict-Webb-Rubin (BWR) equation  (1)
  • M-sequence  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Fault diagnosis of a logical circuit by use of a pseudorandom signal and a neural network (1997)
    Springer
    Artificial life and robotics 1 (1997), S. 169-172 
    Details
    ISSN: 1614-7456
    Keywords: Fault diagnosis ; Pseudorandom signal ; M-sequence ; Correlation function ; Neural network
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science
    Notes: Abstract This paper describes a new method of pseudorandom testing of a digital circuit by use of a correlation method and a neural network. The authors have recently proposed a new method of fault diagnosis in a logical circuit by applying a pseudorandom M-sequence to the circuit under test, calculating the cross-correlation function between the input and the output, and comparing the cross-correlation functions with the references. This method, called the M-sequence correlation (MSEC) method, is further extended by using a neural network in order not only to detect the existence of faults, but also to find the place or location of the faults. The authors investigated the effects of using parts of the fault patterns to train the neural network to be able to detect faults. It is shown that more than 95% of faults can be detected even when only 60% of the possible training data are used.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02471135
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Thermodynamic properties of 1-chloro-1,2,2,2-tetrafluoroethane (R124) (1988)
    Springer
    International journal of thermophysics 9 (1988), S. 85-101 
    Details
    ISSN: 1572-9567
    Keywords: Benedict-Webb-Rubin (BWR) equation ; 1-chloro-1,2,2,2-tetrafluoroethane ; compressibility factor ; critical pressure ; critical temperature ; equation of state ; R124 ; specific volume ; vapor pressure
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The critical temperature and pressure, vapor pressure, and PVT relations for gaseous and liquid 1-chloro-1,2,2,2-tetrafluoroethane (R124) were determined experimentally. The vapor pressure was measured in the temperature range from 278.15 K to the critical temperature. The PVT measurements were carried out using two types of volumeters in the temperature range from 278.15 to 423.15 K, at pressure up to 100 MPa. The numerical PVT data of gaseous state are fitted as a function of density to a modified Benedict-Webb-Rubin equation. The pressure-volume relations of the liquid at each temperature are correlated satisfactorily as a function of pressure by the Tait equation. The critical density and saturated vapor and liquid densities are also determined and some of the thermodynamic properties are derived from the experimental results.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00504002
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    Paper (German National Licenses)
    Fulltext
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