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Smart Structures and Systems Volume 3, Number 1, January 2007 , pages 69-88 DOI: https://doi.org/10.12989/sss.2007.3.1.069 |
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Development of a smart wireless sensing unit using off-the-shelf FPGA hardware and programming products |
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Chetan Kapoor, Troy L. Graves-Abe and Jin-Song Pei
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| Abstract | ||
| In this study, Field-Programmable Gate Arrays (FPGAs) are investigated as a practical solution to the challenge of designing an optimal platform for implementing algorithms in a wireless sensing unit for structural health monitoring. Inherent advantages, such as tremendous processing power, coupled with reconfigurable and flexible architecture render FPGAs a prime candidate for the processing core in an optimal wireless sensor unit, especially when handling Digital Signal Processing (DSP) and system identification algorithms. This paper presents an effort to create a proof-of-concept unit, wherein an off-the-shelf FPGA development board, available at a price comparable to a microprocessor development board, was adopted. Data processing functions, including windowing, Fast Fourier Transform (FFT), and peak detection, were implemented in the FPGA using a Matlab Simulink-based high-level abstraction tool rather than hardware descriptive language. Simulations and laboratory tests were carried out to validate the design. | ||
| Key Words | ||
| smart wireless sensing; FPGA. | ||
| Address | ||
| Chetan Kapoor; School of Electrical & Computer Engineering, University of Oklahoma Norman, OK 73019-1024, USA Troy L. Graves-Abe; Department of Electrical Engineering, Princeton University Princeton, NJ 08544, USA Jin-Song Pei; School of Civil Engineering & Environmental Science, University of Oklahoma Norman, OK 73019-1024, USA | ||