Boots – shoes – and leggings
Patent
1993-11-19
1995-10-03
Williams, Hezron E.
Boots, shoes, and leggings
738664, G06F 1520
Patent
active
054557771
ABSTRACT:
An apparatus for predicting a deterioration and damage in a structural member of a prime mover or the like has a use condition monitoring unit for monitoring a condition of use of the structural member, an inspection unit for inspecting a deteriorated and damaged state of the structural member, a use condition setting unit for setting a use condition by being supplied with use condition data of the structural member from the use condition monitoring unit, a simulation unit for forming a model of the deterioration and damage in the structural member on the basis of the use condition of the structural member and a result of inspection of the structural member at a preceding time, and for simulating the advancement of the deterioration and damage in the structural member on the basis of the deterioration/damage model, and an inverse analysis unit for correcting a simulation model formed by the simulation unit by comparing the simulation model with a result of inspection of the structural member at the present time. The simulation unit is arranged to predict a future deterioration and damage in the structural member by using the corrected simulation model and the result of present inspection. By a deterioration/damage prediction apparatus of the invention using this apparatus, the deterioration and damage in the structural member can be accurately predicted using a simulation and an inverse-problem analysis method with respect to use conditions and results of inspection of the structural member, i.e., information actually available.
REFERENCES:
patent: 4215412 (1980-07-01), Bernier et al.
patent: 5159563 (1992-10-01), Miller et al.
patent: 5210704 (1993-05-01), Husseiny
K. Fujiyama, et al., "Journal of the Gas Turbine Society of Japan", vol. 19, Mar. 1992, pp. 78-84.
H. L. Bernstein, "Life Assessment and Repair Technology for Combustion Turbine Hot Section Components", Apr. 17, 1990, pp. 111 to 118.
Fujiyama Kazunari
Murakami Itaru
Okabe Nagatoshi
Yoshioka Yomei
Kabushiki Kaisha Toshiba
Noori Max
Williams Hezron E.
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