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.

Localised pre-heating to improve inter-layer delamination strength in fused deposition modelling (2019)
Conference Proceeding
Aitchison, A., & Wang, Q. (2019). Localised pre-heating to improve inter-layer delamination strength in fused deposition modelling.

Additive manufacture, specifically Fused Deposition Modeling (FDM), is an advancing manufacture method opening up new possibilities in design previously impossible to machine, in a relatively affordable way. However, its use in functional products is... Read More about Localised pre-heating to improve inter-layer delamination strength in fused deposition modelling.

Synchronization issues with irregular current injection islanding detection methods in multi-DG operation (2019)
Conference Proceeding
Liu, M., Zhao, W., Wang, Q., Huang, S., & Shi, K. (2019). Synchronization issues with irregular current injection islanding detection methods in multi-DG operation. In 2019 3rd IEEE International Conference on Green Energy and Applications ; proceedings (21-29). https://doi.org/10.1109/icgea.2019.8880795

The islanding detection methods that detect an island through injecting high/low frequency currents or negative sequence currents are called irregular current injection methods in this paper. A synchronization issue of such methods is raised in multi... Read More about Synchronization issues with irregular current injection islanding detection methods in multi-DG operation.

Multimodal lamb wave identification using combination of instantaneous frequency with EMD (2019)
Conference Proceeding
Wang, Z., Huang, S., Sun, H., Wang, S., Wang, Q., & Zhao, W. (2019). Multimodal lamb wave identification using combination of instantaneous frequency with EMD. In 2019 IEEE International Instrumentation and Measurement Technology Conference (I2MTC 2019) ; proceedings. https://doi.org/10.1109/i2mtc.2019.8827058

Lamb wave is guided plate wave that has potential in industrial inspection for non-destructive evaluation. However, the multimodal nature of Lamb wave obstructs the extraction and interpretation of information in signal. This work proposes a Lamb wav... Read More about Multimodal lamb wave identification using combination of instantaneous frequency with EMD.

An Interharmonic phasor and frequency estimator for subsynchronous oscillation identification and monitoring (2018)
Journal Article
Chen, L., Zhao, W., Wang, F., Wang, Q., & Huang, S. (2019). An Interharmonic phasor and frequency estimator for subsynchronous oscillation identification and monitoring. IEEE Transactions on Instrumentation and Measurement, 68(6), 1714-1723. https://doi.org/10.1109/tim.2018.2879998

Recently, subsynchronous oscillations (SSOs) have occurred frequently due to the interaction between wind farm controllers and transmission networks. When an SSO occurs, subsynchronous and supersynchronous interharmonics are present in a voltage/curr... Read More about An Interharmonic phasor and frequency estimator for subsynchronous oscillation identification and monitoring.

Characteristics of Negative Corona Discharge in Air at Various Gaps (2018)
Journal Article
Sun, H., Huang, S., Wang, Q., Wang, S., & Zhao, W. (2018). Characteristics of Negative Corona Discharge in Air at Various Gaps. IEEE Transactions on Plasma Science, 47(14), 736-741. https://doi.org/10.1109/tps.2018.2884696

The length of the air gap in a negative corona discharge, which affects many corresponding parameters in the discharge process, is of vital importance for the physical investigations. A hydrodynamic drift–diffusion approximation model considering pho... Read More about Characteristics of Negative Corona Discharge in Air at Various Gaps.

Constrained optimization of a meander line EMAT generating S0 mode Lamb waves with genetic algorithms (2018)
Journal Article
Wang, S., Huang, S., Wang, Q., Wang, Z., & Zhao, W. (2018). Constrained optimization of a meander line EMAT generating S0 mode Lamb waves with genetic algorithms. International Journal of Applied Electromagnetics and Mechanics, 58(4), 411-429. https://doi.org/10.3233/jae-180086

In this work a multiphysics model of a meander line electromagnetic acoustic transducer (EMAT) to generate S0 mode Lamb waves in an aluminum plate is built and the structural parameters of the transducer are optimized based on the model. Three approa... Read More about Constrained optimization of a meander line EMAT generating S0 mode Lamb waves with genetic algorithms.

New measurement algorithm for supraharmonics based on multiple measurement vectors model and orthogonal matching pursuit (2018)
Journal Article
Zhuang, S., Zhao, W., Wang, R., Wang, Q., & Huang, S. (2019). New measurement algorithm for supraharmonics based on multiple measurement vectors model and orthogonal matching pursuit. IEEE Transactions on Instrumentation and Measurement, 68(6), 1671-1679. https://doi.org/10.1109/tim.2018.2878613

There are many cases of electromagnetic interference caused by supraharmonics emitted by power electronic equipment. However, there is currently no effective method for measuring supraharmonics. This paper proposes a new supraharmonics high-resolutio... Read More about New measurement algorithm for supraharmonics based on multiple measurement vectors model and orthogonal matching pursuit.

Dynamic Harmonic Synchrophasor Estimator based on Sinc Interpolation Functions (2018)
Journal Article
Chen, L., Zhao, W., Wang, Q., Wang, F., & Huang, S. (2019). Dynamic Harmonic Synchrophasor Estimator based on Sinc Interpolation Functions. IEEE Transactions on Instrumentation and Measurement, 68(9), 3054-3065. https://doi.org/10.1109/tim.2018.2876074

This paper introduces a new dynamic harmonic synchrophasor estimator (DHSE) based on the Shannon sampling theorem. Each dynamic harmonic phasor is modeled as a weighted sum of a series of sinc interpolation functions. Based on this, a bank of finite... Read More about Dynamic Harmonic Synchrophasor Estimator based on Sinc Interpolation Functions.

Characterizing excitability of Lamb waves generated by electromagnetic acoustic transducers with coupled frequency domain models (2018)
Journal Article
Wang, S., Huang, S., Wang, Q., Wang, Z., & Zhao, W. (2019). Characterizing excitability of Lamb waves generated by electromagnetic acoustic transducers with coupled frequency domain models. Ultrasonics, 93, 71-80. https://doi.org/10.1016/j.ultras.2018.10.013

Electromagnetic acoustic transducers (EMATs) are versatile non-contact ultrasonic transducers with relatively low transduction efficiency. A fundamental problem not answered completely yet is how the structure of an EMAT influences the generation of... Read More about Characterizing excitability of Lamb waves generated by electromagnetic acoustic transducers with coupled frequency domain models.