Characteristics of T(0, 1) Guided-Wave Point-Focusing Electromagnetic Acoustic Transducer for Pipe Inspection (2019)
Journal Article
Huang, S., Sun, H., Shen, G., Wang, B., Wang, Q., Zou, J., & Wang, S. (2020). Characteristics of T(0, 1) Guided-Wave Point-Focusing Electromagnetic Acoustic Transducer for Pipe Inspection. IEEE Sensors Journal, 20(6), 2895-2903. https://doi.org/10.1109/jsen.2019.2958953

Electromagnetic acoustic transducers (EMATs) are widely used in the field of non-destructive testing (NDT) and non-destructive evaluation (NDE) due to their advantages of non-contact and applicability in complex environments. However, their low energ... Read More about Characteristics of T(0, 1) Guided-Wave Point-Focusing Electromagnetic Acoustic Transducer for Pipe Inspection.

Numerical evaluation of focal position selection by line-focusing electromagnetic acoustic transducer with experimental validation (2019)
Journal Article
Huang, S., Sun, H., Wang, S., Wang, Q., & Zhao, W. (2019). Numerical evaluation of focal position selection by line-focusing electromagnetic acoustic transducer with experimental validation. International Journal of Applied Electromagnetics and Mechanics, 61(3), 341-355. https://doi.org/10.3233/jae-190021

As the focal position of a line-focusing electromagnetic acoustic transducer (LF-EMAT) affects the intensity of the focal signal, we measure the displacement signal and the selection method of the focal line position is then studied in this work to i... Read More about Numerical evaluation of focal position selection by line-focusing electromagnetic acoustic transducer with experimental validation.

Compressed Sensing Method for Health Monitoring of Pipelines Based on Guided Wave Inspection (2019)
Journal Article
Wang, Z., Huang, S., Wang, S., Zhuang, S., Wang, Q., & Zhao, W. (2020). Compressed Sensing Method for Health Monitoring of Pipelines Based on Guided Wave Inspection. IEEE Transactions on Instrumentation and Measurement, 69(7), 4722-4731. https://doi.org/10.1109/tim.2019.2951891

The pipeline in-service needs to be inspected in a certain period to master its structural health status. An ultrasonic guided wave, which can propagate along pipelines with less energy loss, provides an efficient method for long-term in situ inspect... Read More about Compressed Sensing Method for Health Monitoring of Pipelines Based on Guided Wave Inspection.

Multifrequency Identification and Exploitation in Lamb Wave Inspection (2019)
Journal Article
Wang, Z., Huang, S., Wang, S., Wang, Q., & Zhao, W. (2019). Multifrequency Identification and Exploitation in Lamb Wave Inspection. IEEE Access, 7, 150435-150443. https://doi.org/10.1109/access.2019.2947711

Lamb wave inspection provides a promising method to assess the structural health status. However, Lamb wave modes exhibit different characteristics which vary with frequency significantly. The best excitation frequency usually cannot be determined in... Read More about Multifrequency Identification and Exploitation in Lamb Wave Inspection.

Accurate and fast synchrophasor estimator for distribution networks (2019)
Journal Article
Chen, L., Zhao, W., Wang, F., Wang, Q., & Huang, S. (2019). Accurate and fast synchrophasor estimator for distribution networks. Measurement Science and Technology, 30(12), https://doi.org/10.1088/1361-6501/ab367e

In this paper, we propose a synchrophasor estimator which can meet the M and P class requirements of the IEEE standard C37.118.1 simultaneously. Meanwhile, the phase error of the estimator is always smaller than 0.05 degrees, which makes it applicabl... Read More about Accurate and fast synchrophasor estimator for distribution networks.

A High-Resolution Algorithm for Supraharmonic Analysis Based on Multiple Measurement Vectors and Bayesian Compressive Sensing (2019)
Journal Article
Zhuang, S., Zhao, W., Wang, Q., Wang, Z., Chen, L., & Huang, S. (2019). A High-Resolution Algorithm for Supraharmonic Analysis Based on Multiple Measurement Vectors and Bayesian Compressive Sensing. Energies, 12(13), Article 2559. https://doi.org/10.3390/en12132559

Supraharmonics emitted by electrical equipment have caused a series of electromagnetic interference in power systems. Conventional supraharmonic analysis algorithms, e.g., discrete Fourier transform (DFT), have a relatively low frequency resolution w... Read More about A High-Resolution Algorithm for Supraharmonic Analysis Based on Multiple Measurement Vectors and Bayesian Compressive Sensing.

Optimal Number of Control Points for Fitting B-Splines in Wind Turbine Blade Measurement (2019)
Journal Article
Chan, C. H. L., Wang, Q., Holden, R., Huang, S., & Zhao, W. (2019). Optimal Number of Control Points for Fitting B-Splines in Wind Turbine Blade Measurement. International Journal of Precision Engineering and Manufacturing, 20(9), 1507-1517. https://doi.org/10.1007/s12541-019-00173-2

The manufacture of large-scale products such as aircraft and wind turbines needs detailed inspection to ensure the required dimensional tolerances are met. A coherent laser radar with an assisting mirror was used in this research to inspect a half-si... Read More about Optimal Number of Control Points for Fitting B-Splines in Wind Turbine Blade Measurement.

Real-Time Monitoring of Wind Turbine Blade Alignment Using Laser Displacement and Strain Measurement (2019)
Journal Article
Ovenden, M., Wang, Q., Huang, S., Zhao, W., & Wang, S. (2019). Real-Time Monitoring of Wind Turbine Blade Alignment Using Laser Displacement and Strain Measurement. Journal of Nondestructive Evaluation, Diagnostics and Prognostics of Engineering Systems, 2(3), Article 031001. https://doi.org/10.1115/1.4043850

Wind turbine (WT) blade structural health monitoring (SHM) is important as it allows damage or misalignment to be detected before it causes catastrophic damage such as that caused by the blade striking the tower. Both of these can be very costly and... Read More about Real-Time Monitoring of Wind Turbine Blade Alignment Using Laser Displacement and Strain Measurement.

Measuring method for thermal conductivity of a pyrolysis layer (2019)
Journal Article
Guo, J., Huang, H., Wang, Q., Tian, Y., & Zhao, Y. (2019). Measuring method for thermal conductivity of a pyrolysis layer. Polymer Degradation and Stability, 166, 155-162. https://doi.org/10.1016/j.polymdegradstab.2019.05.035

The thermo-physical parameters of the pyrolysis layer in charring material play a fundamental role in the design of the thermal protection system (TPS) in hypersonic vehicles, but there is still a lack of measuring methods for the pyrolysis layer inc... Read More about Measuring method for thermal conductivity of a pyrolysis layer.

Unidirectional focusing of horizontally polarized shear elastic waves electromagnetic acoustic transducers for plate inspection (2019)
Journal Article
Huang, S., Sun, H., Wang, Q., Wang, S., & Zhao, W. (2019). Unidirectional focusing of horizontally polarized shear elastic waves electromagnetic acoustic transducers for plate inspection. Journal of Applied Physics, 125(16), Article 164504. https://doi.org/10.1063/1.5078776

The ultrasonic guided wave testing method is very effective in monitoring the safety of complex structures. The fundamental shear horizontal (SH) wave mode has the advantage that the propagation velocity does not change with the frequency. However, a... Read More about Unidirectional focusing of horizontally polarized shear elastic waves electromagnetic acoustic transducers for plate inspection.

Heterodyne interferometer with two parallel-polarized input beams for high-resolution roll angle measurement (2019)
Journal Article
Qi, J., Wang, Z., Huang, J., Wang, Q., & Gao, J. (2019). Heterodyne interferometer with two parallel-polarized input beams for high-resolution roll angle measurement. Optics Express, 27(10), 13820-13830. https://doi.org/10.1364/oe.27.013820

We have proposed an improved heterodyne interferometric roll measurement system with enhanced resolution in this paper. Two beams with different frequencies but with the same polarization state input to the interferometer are provided by two acousto-... Read More about Heterodyne interferometer with two parallel-polarized input beams for high-resolution roll angle measurement.

Compatibility Issues with Irregular Current Injection Islanding Detection Methods and a Solution (2019)
Journal Article
Liu, M., Zhao, W., Wang, Q., Huang, S., & Shi, K. (2019). Compatibility Issues with Irregular Current Injection Islanding Detection Methods and a Solution. Energies, 12(8), Article 1467. https://doi.org/10.3390/en12081467

Islanding detection methods, based on injecting high-/low-frequency currents or negative sequence fundamental frequency currents and observing the resultant responses, are collectively referred to as irregular current injection methods in this paper.... Read More about Compatibility Issues with Irregular Current Injection Islanding Detection Methods and a Solution.

Dynamic characterization method of accelerometers based on the Hopkinson bar calibration system (2019)
Journal Article
Yang, Z., Wang, Q., Du, H., Fan, J., & Liang, J. (2019). Dynamic characterization method of accelerometers based on the Hopkinson bar calibration system. Sensors and Actuators A: Physical, 293, 21-28. https://doi.org/10.1016/j.sna.2019.03.035

The dynamic characterization of accelerometers is the prerequisite and insurance for highly accurate measurement of dynamic acceleration signals. The main problem of dynamic characterization is the lack of effective methods to deal with model coeffic... Read More about Dynamic characterization method of accelerometers based on the Hopkinson bar calibration system.

Theoretical prediction and experimental verification of the unbalanced magnetic force in air bearing motor spindles (2019)
Journal Article
Wu, Q., Sun, Y., Chen, W., Wang, Q., & Chen, G. (2019). Theoretical prediction and experimental verification of the unbalanced magnetic force in air bearing motor spindles. Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture, 233(12), 2330-2344. https://doi.org/10.1177/0954405419838656

Dynamic vibrations of air bearing motor spindles have significant influence on the surface quality in ultra-precision machining. In this article, the influence of the vibration caused by the unbalanced magnetic force on the diamond turning is investi... Read More about Theoretical prediction and experimental verification of the unbalanced magnetic force in air bearing motor spindles.

Improvement of unidirectional focusing periodic permanent magnet shear-horizontal wave electromagnetic acoustic transducer by oblique bias magnetic field (2019)
Journal Article
Sun, H., Huang, S., Wang, Q., Wang, S., & Zhao, W. (2019). Improvement of unidirectional focusing periodic permanent magnet shear-horizontal wave electromagnetic acoustic transducer by oblique bias magnetic field. Sensors and Actuators A: Physical, 290, 36-47. https://doi.org/10.1016/j.sna.2019.03.003

We propose a new unidirectional point focusing shear horizontal (SH) guided wave electromagnetic ultrasonic transducer (EMAT) with an angled periodic permanent magnet (PPM) in this work. The angled PPM developed here provides an angled bias magnetic... Read More about Improvement of unidirectional focusing periodic permanent magnet shear-horizontal wave electromagnetic acoustic transducer by oblique bias magnetic field.

Point-Focusing of Shear-Horizontal Wave Using Fan-Shaped Periodic Permanent Magnet Focusing Coils EMAT for Plate Inspection (2019)
Journal Article
Sun, H., Wang, S., Huang, S., Wang, Q., & Zhao, W. (2019). Point-Focusing of Shear-Horizontal Wave Using Fan-Shaped Periodic Permanent Magnet Focusing Coils EMAT for Plate Inspection. IEEE Sensors Journal, 19(12), 4393-4404. https://doi.org/10.1109/jsen.2019.2901836

Ultrasonic guided wave testing method is very effective in safety monitoring of complex structures, such as large-scale tank floor and industrial metal plate. The fundamental shear horizontal (SH) wave mode with the Lorentz force mechanism has the ad... Read More about Point-Focusing of Shear-Horizontal Wave Using Fan-Shaped Periodic Permanent Magnet Focusing Coils EMAT for Plate Inspection.