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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Применить Всего найдено 3. Отображено 2.
17-03-2022 дата публикации

ACCELEROGRAPH AND EMBEDDED PROTOCOL FOR STRUCTURAL HEALTH MONITORING OF CIVIL ENGINEERING STRUCTURERS REGARDING EARTHQUAKE PERFORMANCE

Номер: US20220082717A1
Автор: Stavro Chatzieleftheriou, Spyridon Damikoukas, Nikolaos Lagaros
Принадлежит: Structures & Sensors Private Co

Accelerometer measuring and recording instrument which automatically performs seismic assessment of building structures. The main scope of the instrument described is civil engineering buildings. It is manufactured using low cost sensor (1) and control unit (2) (low level microcontrollers). By combining proper sensor mounting time (1) and proper automated data processing, the dynamic characteristics of the structures (natural frequencies of vibration) can be accurately derived. The seismic assessment is then extracted by applying the guidelines of modem earthquake regulations defining the performance point for the targeted displacement of an input earthquake. In order to obtain the result, the elements used are the measured eigenfrequencies of the building, the standard Push Over curves for each building category that are parameterized in the instrument memory and the input data through which the category to which the building under measurement belongs is determined. These standard Push Over curves are automatically corrected to match the results of the measurements.

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Номер записи: 1
06-08-2020 дата публикации

Accelerograph and embedded protocol for structural health monitoring of civil engineering structurers regarding earthquake performance

Номер: WO2020157523A1
Автор: Nikolaos Lagaros, Spyridon Damikoukas, Stavros CHATZIELEFTHERIOU
Принадлежит: Structures & Sensors Private Company

Accelerometer measuring and recording instrument which automatically performs seismic assessment of building structures. The main scope of the instrument described is civil engineering buildings. It is manufactured using low cost sensor (1) and control unit (2) (low level microcontrollers). By combining proper sensor mounting time (1) and proper automated data processing, the dynamic characteristics of the structures (natural frequencies of vibration) can be accurately derived. The seismic assessment is then extracted by applying the guidelines of modem earthquake regulations defining the performance point for the targeted displacement of an input earthquake. In order to obtain the result, the elements used are the measured eigenfrequencies of the building, the standard Push Over curves for each building category that are parameterized in the instrument memory and the input data through which the category to which the building under measurement belongs is determined. These standard Push Over curves are automatically corrected to match the results of the measurements.

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Номер записи: 2