Management of Memory in a Real-Time Measurement System Based on a Signal Processor

Cwiklinski, Lukasz; Kiciński, W.

doi:10.2478/v10178-010-0048-y

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2014

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“…One interesting application of nondestructive techniques is the monitoring of civil and industrial structures. In this field, Acoustic Emission Testing (AET) can be performed in-situ and during the in-service loading of the structure, making it suitable for long-term or continuous monitoring of structures [7]. The AET detects the transient elastic waves generated by the rapid release of energy from localized sources within concrete.…”

Section: Introductionmentioning

confidence: 99%

Improved Accuracy of Damage Index Evaluation in Concrete Structures by Simultaneous Hardware Triggering

Lamonaca¹,

Carrozzini²,

Grimaldi³

et al. 2014

Metrology and Measurement Systems

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Non-invasive damage monitoring of concrete structures by means of Acoustic Emission (AE) requires multitransducers, multi-channel acquisition, high sampling frequency and long observation time. Owing to its propagation in concrete, the signal from AE reduces its amplitude during the propagation, and, consequently, some events can be lost due to lower signal intensity than the trigger level set on one sensor only. The innovative proposal discussed in the paper consists in the introduction of a Flat Amplifier and Trigger generator block (FAT) in order to generate a logical trigger when the AE is detected by any transducer. Experimental tests confirm the effectiveness of the FAT to acquire all the AE events and to increase the evaluation accuracy of damage indexes.

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Section: Introductionmentioning

confidence: 99%

Improved Accuracy of Damage Index Evaluation in Concrete Structures by Simultaneous Hardware Triggering

Lamonaca¹,

Carrozzini²,

Grimaldi³

et al. 2014

Metrology and Measurement Systems

View full text Add to dashboard Cite

show abstract

Management of Memory in a Real-Time Measurement System Based on a Signal Processor

Abstract: The problem of management of memory in a signal processor has been discussed on the example of time parameters measurement system of transient signals. General rules of memory management and allocation in TMS320C6713 DSK have been described.

Cited by 1 publication

References 2 publications

Improved Accuracy of Damage Index Evaluation in Concrete Structures by Simultaneous Hardware Triggering

Improved Accuracy of Damage Index Evaluation in Concrete Structures by Simultaneous Hardware Triggering

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