Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
4977183 | Mechanical Systems and Signal Processing | 2017 | 16 Pages |
Abstract
This paper aims at describing the use of Continuous Scanning LDV (CSLDV) as a tool for the dynamic characterisation of timing belts in IC (Internal Combustion) engines (cylinder head). The high-spatial resolution data that can be collected in short testing time makes CSLDV highly suitable for such application. The measurement on a moving surface, however, represents a challenge for CSLDV. The paper discusses how the belt in-plane speed influences CSLDV signal and how an order-based multi-harmonic excitation might affect the recovery of Operational Deflection Shapes in a CSLDV test. A comparison with a standard Discrete Scanning LDV measurement is also given in order to show that a CSLDV test, if well designed, can indeed provide the same amount of information in a drastically reduced amount of time.
Keywords
Related Topics
Physical Sciences and Engineering
Computer Science
Signal Processing
Authors
P. Chiariotti, M. Martarelli, P. Castellini,