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8 May 1995 Estimation of distributed transverse displacement and velocity from distributed strain measurements in a cantilever beam
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Abstract
A new form of recursive algorithm to estimate the transverse and angular displacement and/or velocity at any location along the length of a 1D cantilever beam using the strain/strain-rate data measured from a set of sensors distributed along the length of the beam is presented. This is based on the linear spline functions used to approximate the strain distribution in the beam. The main advantage of this algorithm is that it is independent of the structural parameters, viz., mass, stiffness and damping coefficient. Experimental results for both static and dynamic cases are furnished to validate the proposed estimation algorithm. In the case of static loading, strain gauges are used to measure the strain, while piezo-electric sensors are used in the dynamic case.
© (1995) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Murali Gopinathan, Grazyna A. Pajunen, P. S. Neelakanta, and Madasamy Arockiasamy "Estimation of distributed transverse displacement and velocity from distributed strain measurements in a cantilever beam", Proc. SPIE 2443, Smart Structures and Materials 1995: Smart Structures and Integrated Systems, (8 May 1995); https://doi.org/10.1117/12.208289
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