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Non-intrusive torque measurement for rotating shafts using optical sensing of zebra-tapes [dataset] Open Access

Non-intrusive, reliable and precise torque measurement is critical to dynamic performance monitoring, control and condition monitoring of rotating mechanical systems. This paper presents a novel, contactless torque measurement system consisting of two shaft-mounted zebra tapes and two optical sensors mounted on stationary rigid supports. Unlike conventional torque measurement methods, the proposed system does not require costly embedded sensors or shaft-mounted electronics. Moreover, its non-intrusive nature, adaptable design, simple installation and low cost make it suitable for a large variety of advanced engineering applications. Torque measurement is achieved by estimating the shaft twist angle through analysis of zebra tape pulse train time shifts. This paper presents and compares two signal processing methods for torque measurement: rising edge detection and cross-correlation. The performance of the proposed system has been proven experimentally under both static and variable conditions and both processing approaches show good agreement with reference measurements from an in-line, invasive torque transducer. Measurement uncertainty has been estimated according to the ISO GUM (Guide to the expression of uncertainty in measurement). Type A analysis of experimental data has provided an expanded uncertainty relative to the system full-scale torque of ±0.30% and ±0.86% for the rising edge and cross-correlation approaches, respectively. Statistical simulations performed by the Monte Carlo method have provided, in the worst case, an expanded uncertainty of ±1.19%.

Descriptions

Resource type
Dataset
Contributors
Creator: Zappalá, Donatella 1
Data collector: Zappalá, Donatella 1
Data curator: Zappalá, Donatella 1
Editor: Zappalá, Donatella 1
Creator: Bezziccheri, Matteo 2
Data curator: Bezziccheri, Matteo 2
Creator: Crabtree, Christopher James 1
Creator: Paone, Nicola 2
1 Durham University, United Kingdom
2 Università Politecnica delle Marche, Italy
Funder
Engineering and Physical Sciences Research Council
Research methods
Other description
Keyword
Non-intrusive torque measurement
Zebra tape
Pulse train time shift
Shaft twist angle
Pulse train rising edge
Cross-correlation
Uncertainty
Subject
Torque-Measurement
Location
Language
Cited in
Identifier
ark:/32150/r1v979v306n
doi:10.15128/r1v979v306n
Rights
Creative Commons Attribution 4.0 International (CC BY)

Publisher
Durham University
Date Created

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D. Zappala
Date Uploaded
Date Modified
28 March 2018, 13:03:37
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Last modified: 2018:03:28 10:14:58+01:00
Filename: Non-intrusive torque measurement for rotating shafts using optical sensing of zebra-tapes - Dataset.rar
Original checksum: 323bba8c2e1ca8af2de111c65f70e6ae
Activity of users you follow
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User N. Syrotiuk has updated Non-intrusive torque measurement for rotating shafts using optical sensing of zebra-tapes [dataset] 4 months ago
User N. Syrotiuk has updated Non-intrusive torque measurement for rotating shafts using optical sensing of zebra-tapes [dataset] 4 months ago
User N. Syrotiuk has updated Non-intrusive torque measurement for rotating shafts using optical sensing of zebra-tapes [dataset] 4 months ago
User N. Syrotiuk has updated Non-intrusive torque measurement for rotating shafts using optical sensing of zebra-tapes [dataset] 4 months ago