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System Overview
Requirements The aim of the system is to sample in a synchronized fashion multiple accelerometers placed at different locations in a structure and forward the data to a central station for later processing. The most relevant application requirements were identified as follows: - XYZ accelerometer (triaxial) - Max. measurement range: ± 1 g - Minimum sensitivity: 1 V/g - Typical resolution: 1 mg - Max. resolution: 50 µg - Frequency response, 3 dB: 0 - 100 Hz - Max. sampling rate: 100 Hz - Max. sampling drift between sensors [...]
[...] structure represented by an inverted pendulum is one of the simplest examples used by the civil engineers to explain the fundamentals of the dynamics of structures. In this work, this structure was also used as a tool to evaluate and understand the behaviour of the developed prototype for operational modal analysis of civil engineering structures. The laboratory specimen consists in an inverted wooden pendulum with 1.70 m height built specially for testing purposes in the civil engineering laboratory at the University of Minho. The pendulum was [...]
[...] of the total system cost). Scalability : as the system scales grows, wired systems become difficult to manage and cumbersome to use. At some point, even with the necessary installation/maintenance cost is under budget, the system may not be feasible to implement due to its scale. Visual impact : tourism and leisure has become a major industry in the 3rd millennium and the “cultural” tourism has received increasing attention in the last decades. The need of preserving historical constructions [...]