Renato Brancati

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In the paper a wavelet-based signals processing technique for the experimental detection of the gear rattle produced by the teeth impacts in lightly loaded gears is proposed. The Discrete Wavelet Transform is used to decompose the signal of the angular relative motion of an helical gear pair, and the wavelet decomposition details are adopted to analyze the(More)
A theoretical/experimental activity has been carried out on a magnetorheological fluid brake prototype. A non-linear observer and an optimal control have been designed and tested on the physical device. Both the feedback control and the state observer are based on the state dependent Riccati equation technique. A first order non-linear dynamic model has(More)
This paper describes an experimental investigation conducted on WRS-BTU seismic isolators that are constituted by a wire rope spring coupled with a ball transfer unit. The device can be considered rigid along the vertical direction while the horizontal stiffness can be independently chosen to shift the natural period away from the period range having the(More)
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