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  • 1
    Electronic Resource
    Electronic Resource
    Energy analysis on fracture of ferroelectric ceramics (2000)
    Springer
    International journal of fracture 100 (2000), S. 401-408 
    Details
    ISSN: 1573-2673
    Keywords: Ferroelectric ceramic ; fracture ; energy criterion
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract In the spirit of the Griffith's theory on mechanical fracture, a fracture criterion of ferroelectric ceramics in terms of energy analysis is proposed in this paper. The energy criterion is compared with the local energy release rate proposed by Gao et al. and the strain energy release rate of Park and Sun. In addition, the criterion can be used to explain why a positive electric field promotes cracking while a negative electric field can retard crack propagation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1018740911313
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    A Class of Learning/Estimation Algorithms Using Nominal Values: Asymptotic Analysis and Applications (2000)
    Springer
    Journal of optimization theory and applications 105 (2000), S. 189-212 
    Details
    ISSN: 1573-2878
    Keywords: learning ; estimation ; monitoring ; industrial processes ; kernel function ; passive strategy ; stochastic approximations
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract A class of estimation/learning algorithms using stochastic approximation in conjunction with two kernel functions is developed. This algorithm is recursive in form and uses known nominal values and other observed quantities. Its convergence analysis is carried out; the rate of convergence is also evaluated. Applications to a nonlinear chemical engineering system are examined through simulation study. The estimates obtained will be useful in process operation and control, and in on-line monitoring and fault detection.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1004622313930
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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