Location

Seattle, WA

Start Date

1-1-1996 12:00 AM

Description

The Advanced Large Structural System (ATLSS) center at Lehigh University has been actively involved in the development of a long term fatigue monitoring system, with the system almost being completely realized now. The fatigue monitoring system consists of several wireless sensor units mounted on the structure under observation and a central control office. The sensor unit takes as an input a stress signal from a strain gage, processes the signal in real time using the rainflow counting algorithm and stores a stress histogram in its internal memory [1–3]. The central control office will periodically download the data from each sensor and analyze it to determine if a structural member under observation is in immediate danger of a fatigue crack. The goal of the fatigue monitoring system is to use VLSI technology to develop a complete cost effective system by merging the sensor, data acquisition system and real time processing units into one.

Book Title

Review of Progress in Quantitative Nondestructive Evaluation

Volume

15B

Chapter

Chapter 8: Systems, New Techniques and Process Control

Section

Systems

Pages

1969-1974

DOI

10.1007/978-1-4613-0383-1_258

Language

en

File Format

application/pdf

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Jan 1st, 12:00 AM

Fatigue Monitoring System Progress

Seattle, WA

The Advanced Large Structural System (ATLSS) center at Lehigh University has been actively involved in the development of a long term fatigue monitoring system, with the system almost being completely realized now. The fatigue monitoring system consists of several wireless sensor units mounted on the structure under observation and a central control office. The sensor unit takes as an input a stress signal from a strain gage, processes the signal in real time using the rainflow counting algorithm and stores a stress histogram in its internal memory [1–3]. The central control office will periodically download the data from each sensor and analyze it to determine if a structural member under observation is in immediate danger of a fatigue crack. The goal of the fatigue monitoring system is to use VLSI technology to develop a complete cost effective system by merging the sensor, data acquisition system and real time processing units into one.