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Improved gradient descent algorithms for time-delay rational state-space systems: intelligent search method and momentum method (2020)
Journal Article
Chen, J., Zhu, Q., Hu, M., Guo, L., & Narayan, P. (in press). Improved gradient descent algorithms for time-delay rational state-space systems: intelligent search method and momentum method. Nonlinear Dynamics,

This study proposes two improved gradient descent parameter estimation algorithm- s for rational state-space models with time-delay. These two algorithms, based on intelligent search method and momentum method, can simultaneously estimate the time-de... Read More about Improved gradient descent algorithms for time-delay rational state-space systems: intelligent search method and momentum method.

U-model based predictive control for nonlinear processes with input delay (2019)
Journal Article
Geng, X., Zhu, Q., Liu, T., & Na, J. (2019). U-model based predictive control for nonlinear processes with input delay. Journal of Process Control, 75, 156-170. https://doi.org/10.1016/j.jprocont.2018.12.002

In this paper, a general control scheme is proposed for nonlinear dynamic processes with input delay described by different models, including polynomial models, state-space models, nonlinear autoregressive moving average with eXogenous inputs (NARMAX... Read More about U-model based predictive control for nonlinear processes with input delay.

Adaptive finite-time stabilization of chaotic flow with a single unstable node using a nonlinear function-based global sliding mode (2018)
Journal Article
Mobayen, S., Ma, J., Pujol-Vazquez, G., Acho, L., & Zhu, Q. (2019). Adaptive finite-time stabilization of chaotic flow with a single unstable node using a nonlinear function-based global sliding mode. Iranian Journal of Science and Technology Transactions of Electrical Engineering, 43(1), 339-347. https://doi.org/10.1007/s40998-018-0153-6

© 2018, Shiraz University. This article presents a novel adaptive finite-time stabilization technique based on global sliding mode for disturbed chaotic flow with a single unstable node. The considered chaotic flow has unusual characteristics contain... Read More about Adaptive finite-time stabilization of chaotic flow with a single unstable node using a nonlinear function-based global sliding mode.

Bias compensation recursive algorithm for dual-rate rational models (2018)
Journal Article
Chen, J., Liu, Y., & Zhu, Q. (2018). Bias compensation recursive algorithm for dual-rate rational models. IET Control Theory and Applications, 12(16), 2184-2193. https://doi.org/10.1049/iet-cta.2018.5368

© The Institution of Engineering and Technology 2018. In dual-rate rational systems, some output data are missing (unmeasurable) to make the traditional recursive least squares (RLS) parameter estimation algorithms invalid. In order to overcome this... Read More about Bias compensation recursive algorithm for dual-rate rational models.

Multivariate analysis of variance for maximising the diagnosing accuracy in differentiating DU from BOO in males (2018)
Journal Article
Li, R., Gammie, A., Zhu, Q., & Nibouche, M. (2018). Multivariate analysis of variance for maximising the diagnosing accuracy in differentiating DU from BOO in males. Neurourology and Urodynamics, 37(S5), S327-S328. https://doi.org/10.1002/nau.23760

Detrusor underactivity (DU) and bladder outlet obstruction (BOO) bother almost half of elder men. Although the treatment is different for these two lower urinary tract symptoms, invasive pressure flow studies remains the only gold standard for diagno... Read More about Multivariate analysis of variance for maximising the diagnosing accuracy in differentiating DU from BOO in males.

Median frequency and sum of amplitude changes in rising slope: Two potential non-invasive indicators for differentiating DU from BOO in males (2018)
Journal Article
Li, R., Gammie, A., Zhu, Q., & Nibouche, M. (2018). Median frequency and sum of amplitude changes in rising slope: Two potential non-invasive indicators for differentiating DU from BOO in males. Neurourology and Urodynamics, 37(S5), S248-S249. https://doi.org/10.1002/nau.23760

It remains a challenge to non-invasively differentiate detrusor underactivity (DU) from bladder outlet obstruction (BOO) in males, and the gold standard is pressure flow studies, which is invasive, relatively expensive and may cause bleeding and infe... Read More about Median frequency and sum of amplitude changes in rising slope: Two potential non-invasive indicators for differentiating DU from BOO in males.

Urine flow rate shape template and intermittent flow in males (2018)
Journal Article
Li, R., Gammie, A., Zhu, Q., & Nibouche, M. (2018). Urine flow rate shape template and intermittent flow in males. Neurourology and Urodynamics, 37(S5), 1-430. https://doi.org/10.1002/nau.23760

Uroflowmetry serves as a preliminary urodynamic test for physicians to indicate the possible cause of lower urinary tract symptoms. Alongside the most researched parameter maximum flow rate (Qmax), the shape of urine flow rate curve is also reported... Read More about Urine flow rate shape template and intermittent flow in males.

Urine flow rate curve shapes and their descriptors (2018)
Journal Article
Li, R., Zhu, Q., Nibouche, M., & Gammie, A. (2018). Urine flow rate curve shapes and their descriptors. Neurourology and Urodynamics, 37(8), 2938-2944. https://doi.org/10.1002/nau.23743

© 2018 Wiley Periodicals, Inc. Aims: To review the descriptors and definitions of urine flow rate curve shape with a view to promoting greater clarity and to propose standard terms. Methods: A search was made in the PubMed and ICS standardization do... Read More about Urine flow rate curve shapes and their descriptors.

Decentralized adaptive force/position control of reconfigurable manipulator based on soft sensors (2018)
Journal Article
Du, Y., & Zhu, Q. (2018). Decentralized adaptive force/position control of reconfigurable manipulator based on soft sensors. Proceedings of the Institution of Mechanical Engineers, Part I: Journal of Systems and Control Engineering, 232(9), 1260-1271. https://doi.org/10.1177/0959651818779848

© IMechE 2018. Two soft sensor control methods are proposed to deal with force/position control of reconfigurable manipulator without using wrist force sensors. First, modeling uncertainties and coupled interconnection terms between the subsystems ar... Read More about Decentralized adaptive force/position control of reconfigurable manipulator based on soft sensors.

Multivariance analysis on non-invasive urodynamic parameters for Differentiating DU with BOO in male (2018)
Presentation / Conference
Li, R., Gammie, A., Zhu, Q., & Nibouche, M. (2018, April). Multivariance analysis on non-invasive urodynamic parameters for Differentiating DU with BOO in male. Presented at United Kingdom Continence Society 2018 Conference: The First UK Pelvic Floor Summit

Differentiating detrusor underactivity (DU) with bladder outlet obstruction (BOO) can only be done by pressure flow studies. Although a few parameters have been proposed for diagnosing voiding abnormalities, such as flow index1, Delta Q2, peak counti... Read More about Multivariance analysis on non-invasive urodynamic parameters for Differentiating DU with BOO in male.

Slat broadband noise prediction of multi-element 30P30N airfoil by a hybrid RANS-LES method (2018)
Presentation / Conference
Peng, T., Yao, Y., & Zhu, Q. (2018, March). Slat broadband noise prediction of multi-element 30P30N airfoil by a hybrid RANS-LES method. Paper presented at 53rd 3AF International Conference on Applied Aerodynamics

This paper presents a combined CFD and CAA study to assess the slat noise emissions from a multi-element 30P30N airfoil at the 5-degree and 8-degree angle of attack, using a hybrid RANS-LES method. In this simulation, the structured mesh is used and... Read More about Slat broadband noise prediction of multi-element 30P30N airfoil by a hybrid RANS-LES method.

Gradient-based particle filter algorithm for an ARX model with nonlinear communication output (2018)
Journal Article
Chen, J., Liu, Y., Ding, F., & Zhu, Q. (2018). Gradient-based particle filter algorithm for an ARX model with nonlinear communication output. IEEE Transactions on Systems Man and Cybernetics: Systems, https://doi.org/10.1109/TSMC.2018.2810277

A stochastic gradient (SG)-based particle filter (SG-PF) algorithm is developed for an ARX model with nonlinear communication output in this paper. This ARX model consists of two submodels, one is a linear ARX model and the other is a nonlinear outpu... Read More about Gradient-based particle filter algorithm for an ARX model with nonlinear communication output.

Decomposition-based recursive least squares identification methods for multivariate pseudo-linear systems using the multi-innovation (2018)
Journal Article
Ma, P., Ding, F., & Zhu, Q. (2018). Decomposition-based recursive least squares identification methods for multivariate pseudo-linear systems using the multi-innovation. International Journal of Systems Science, 49(5), 920-928. https://doi.org/10.1080/00207721.2018.1433247

© 2018 Informa UK Limited, trading as Taylor & Francis Group. This paper studies the parameter estimation algorithms of multivariate pseudo-linear autoregressive systems. A decomposition-based recursive generalised least squares algorithm is deduce... Read More about Decomposition-based recursive least squares identification methods for multivariate pseudo-linear systems using the multi-innovation.

Sulfur Flotation Performance Recognition Based on Hierarchical Classification of Local Dynamic and Static Froth Features (2018)
Journal Article
Wang, Y., Sun, B., Zhang, R., Zhu, Q., & Li, F. (2018). Sulfur Flotation Performance Recognition Based on Hierarchical Classification of Local Dynamic and Static Froth Features. IEEE Access, 6, 14019-14029. https://doi.org/10.1109/ACCESS.2018.2805265

© 2018 IEEE. This paper proposes a flotation performance recognition system based on a hierarchical classification of froth images using both local dynamic and static features, which includes a series of functions in image extraction, processing, and... Read More about Sulfur Flotation Performance Recognition Based on Hierarchical Classification of Local Dynamic and Static Froth Features.

U-model enhanced dynamic control of a heavy oil pyrolysis/cracking furnace (2018)
Journal Article
Zhu, Q., Zhao, D., Zhang, S., & Narayan, P. (2018). U-model enhanced dynamic control of a heavy oil pyrolysis/cracking furnace. IEEE Caa Journal of Automatica Sinica, 5(2), 577-586. https://doi.org/10.1109/JAS.2017.7510847

This paper proposes a case study in the control of a heavy oil pyrolysis/cracking furnace with a newly extended U-Model based Pole Placement Controller (U-PPC). The major work of the paper includes: 1. establishing a control oriented nonlinear dynami... Read More about U-model enhanced dynamic control of a heavy oil pyrolysis/cracking furnace.

Control of complex nonlinear dynamic rational systems (2018)
Journal Article
Zhu, Q., Li, L., Zhang, W., & Li, S. (2018). Control of complex nonlinear dynamic rational systems. Complexity, 2018(895303), https://doi.org/10.1155/2018/8953035

© 2018 Quanmin Zhu et al. Nonlinear rational systems/models, also known as total nonlinear dynamic systems/models, in an expression of a ratio of two polynomials, have roots in describing general engineering plants and chemical reaction processes. Th... Read More about Control of complex nonlinear dynamic rational systems.

A New Hydraulic Speed Regulation Scheme: Valve-Pump Parallel Variable Mode Control (2018)
Journal Article
Ding, H., Zhao, J., & Zhu, Q. (2018). A New Hydraulic Speed Regulation Scheme: Valve-Pump Parallel Variable Mode Control. IEEE Access, 6, 55257-55263. https://doi.org/10.1109/ACCESS.2018.2872605

© 2013 IEEE. To improve the comprehensive performances of hydraulic speed regulation systems, this paper proposes and develops a new control scheme, valve-pump parallel variable mode control, which can adopt different control modes in different speed... Read More about A New Hydraulic Speed Regulation Scheme: Valve-Pump Parallel Variable Mode Control.

Coordinated control of a wind-methanol-fuel cell system with hydrogen storage (2017)
Journal Article
Hu, J., Cao, W., Yuan, X., Chen, X., Duan, Q., Yuan, T., & Zhu, Q. (2017). Coordinated control of a wind-methanol-fuel cell system with hydrogen storage. Energies, 10(12), 2053. https://doi.org/10.3390/en10122053

This paper presents a wind-methanol-fuel cell system with hydrogen storage. It can manage various energy flow to provide stable wind power supply, produce constant methanol, and reduce CO2 emissions. Firstly, this study establishes the theoretical ba... Read More about Coordinated control of a wind-methanol-fuel cell system with hydrogen storage.

Non-invasive parameter for assessing urine flow rate in frequency domain to differentiate detrusor underactivity with bladder outlet obstruction in male (2017)
Presentation / Conference
Lli, R., Gammie, A., Zhu, Q., & Nibouche, M. (2017, November). Non-invasive parameter for assessing urine flow rate in frequency domain to differentiate detrusor underactivity with bladder outlet obstruction in male. Presented at Incontinence XI: The Engineering Challenge

To differentiate Detrusor underactivity (DU) with bladder outlet obstruction (BOO), we have assessed free urine flow in frequency domain, and proposed median power frequency (MPF) as a potential urodynamic indicator for diagnosing DU. As a continuat... Read More about Non-invasive parameter for assessing urine flow rate in frequency domain to differentiate detrusor underactivity with bladder outlet obstruction in male.


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