Journal
MEASUREMENT
Volume 152, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.measurement.2019.107355
Keywords
STSTD plus SHW; Real-time cable force; Test verification; Engineering application
Funding
- National Natural Science Foundation of China [51178396/E080505]
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In the fatigue damage analysis of cables, it is very important to understand the cable force history. However, most current cable force identification methods are based on the average cable force assumption. To overcome this issue, this paper proposes the short time sparse time domain algorithm combined with the simplified half wave method (STSTD + SHW). This method only requires one acceleration sensor and is thus simple, economical, convenient, and fast. Its reliability and accuracy were verified by two experiments and one engineering application. According to the results, this method does not only reduce the influence of the boundary conditions on cable force identification but can also quickly identify the dynamic cable force. Moreover, only one accelerometer is required to avoid the problem of sensor placement and optimization, which is conducive to practical engineering applications. (C) 2019 Elsevier Ltd. All rights reserved.
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