All Outputs (11)

Industry 4.0 more than a challenge in modeling, identification, and control for cyber-physical systems (2024)
Book Chapter
Mercorelli, P., Nemati, H., & Zhu, Q. (2024). Industry 4.0 more than a challenge in modeling, identification, and control for cyber-physical systems. In P. Mercorelli, W. Zhang, H. Nemati, & Y. Zhang (Eds.), Modeling, Identification, and Control for Cyber- Physical Systems Towards Industry 4.0 (1 - 14). Elsevier. https://doi.org/10.1016/C2021-0-02869-8

Modeling, Identification, and Control for Cyber-Physical Systems Towards Industry 4.0 studies and analyzes the role of algorithms in identifying and controlling such a system towards Industry 4.0, which is the digital transformation of manufacturing... Read More about Industry 4.0 more than a challenge in modeling, identification, and control for cyber-physical systems.

Multibody simulations of distributed flight arrays for Industry 4.0 applications (2024)
Book Chapter
Yip, L., Nemati, H., Mercorelli, P., & Zhu, Q. (2024). Multibody simulations of distributed flight arrays for Industry 4.0 applications. In Modeling, Identification, and Control for Cyber- Physical Systems Towards Industry 4.0 (247 - 278). Elsevier. https://doi.org/10.1016/C2021-0-02869-8

Distributed Flight Arrays (DFAs) are an experimental type of aerial, multi-rotor, vehicle capable of land-based navigation and cooperative aerial flight involving physically docking with N-number of other agents forming a larger structure with some d... Read More about Multibody simulations of distributed flight arrays for Industry 4.0 applications.

U-model-based dynamic inversion control for quadrotor UAV systems (2024)
Book Chapter
Lone, A. A., Nemati, H., Zhu, Q., Mercorelli, P., & Narayan, P. (2024). U-model-based dynamic inversion control for quadrotor UAV systems. In Modeling, Identification, and Control for Cyber- Physical Systems Towards Industry 4.0 (293-309). Elsevier. https://doi.org/10.1016/C2021-0-02869-8

A Model-Independent Design approach (U-Model) is studied with the example of Quadrotor UAV. A Multiple-Input Multiple-Output (MIMO) dynamic model of a quadrotor UAV is derived, and U-Model-based Dynamic Inverse control approach is used to design a co... Read More about U-model-based dynamic inversion control for quadrotor UAV systems.

Feedback stabilization of a class of nonlinear systems using nonlinear normal form (2023)
Conference Proceeding
Lou, Z., Li, R., Zhu, Q., & Xu, Y. (2023). Feedback stabilization of a class of nonlinear systems using nonlinear normal form. In 2023 35th Chinese Control and Decision Conference (CCDC) (3211-3215). https://doi.org/10.1109/ccdc58219.2023.10327300

This paper investigates the design of a feedback controller via nonlinear normal form for a class of nonlinear systems. A general second-order nonlinear system affine in control is firstly presented. In general, it is more difficult to construct a no... Read More about Feedback stabilization of a class of nonlinear systems using nonlinear normal form.

Adaptive sliding mode attitude control of 2-degrees-of-freedom helicopter system with actuator saturation and disturbances (2023)
Journal Article
Li, R., Lei, C., Shi, B., Zhu, Q., & Yue, X. (in press). Adaptive sliding mode attitude control of 2-degrees-of-freedom helicopter system with actuator saturation and disturbances. Journal of Vibration and Control, https://doi.org/10.1177/10775463231212530

The modelling uncertainties, external disturbance and actuator saturation issues will degrade the performance and even the safety of flight. To improve control performance, this study proposes an adaptive U-model based double sliding control (UDSMC)... Read More about Adaptive sliding mode attitude control of 2-degrees-of-freedom helicopter system with actuator saturation and disturbances.

Model-free robust decentralised control of multi-input-multi-output nonlinear interconnected dynamic systems (2023)
Journal Article
Zhu, Q., Li, R., Zhang, J., & Shi, B. (in press). Model-free robust decentralised control of multi-input-multi-output nonlinear interconnected dynamic systems. Journal of Vibration and Control, https://doi.org/10.1177/10775463231206601

This study presents a generalised framework for model-free robust decentralised control (MFRDC) of interconnected MIMO dynamic systems, with the goal of significantly reducing complexity in model-based design. A model-free robust sliding mode control... Read More about Model-free robust decentralised control of multi-input-multi-output nonlinear interconnected dynamic systems.

Neural network-enhanced fault diagnosis of robot joints (2023)
Journal Article
Zhang, Y., & Zhu, Q. (2023). Neural network-enhanced fault diagnosis of robot joints. Algorithms, 16(10), Article 489. https://doi.org/10.3390/a16100489

Industrial robots play an indispensable role in flexible production lines, and the faults caused by degradation of equipment, motors, mechanical system joints, and even task diversity affect the efficiency of production lines and product quality. Aim... Read More about Neural network-enhanced fault diagnosis of robot joints.

Two iterative reweighted algorithms for systems contaminated by outliers (2023)
Journal Article
Chen, J., Hu, M., Liu, Y., & Zhu, Q. (2023). Two iterative reweighted algorithms for systems contaminated by outliers. IEEE Transactions on Instrumentation and Measurement, 72, https://doi.org/10.1109/tim.2023.3308255

This study proposes two iterative reweighted (IRE) algorithms for systems whose data are contaminated by outliers. For the negative effect caused by the outliers, traditional least squares (LSs) and gradient descent (GD) algorithms cannot obtain unbi... Read More about Two iterative reweighted algorithms for systems contaminated by outliers.

Model-free robust decoupling control of nonlinear nonaffine dynamic systems (2023)
Journal Article
Zhu, Q., Li, R., & Zhang, J. (2023). Model-free robust decoupling control of nonlinear nonaffine dynamic systems. International Journal of Systems Science, 54(13), 2590-2607. https://doi.org/10.1080/00207721.2023.2245543

This study presents a model-free robust input-output decoupling control with Nonlinear-Dynamic-Coupling Inversion/Inverter (NDCI) in a U-control framework. Regarding the decoupling, an input/output (I/O) coupling matrix function is proposed to derive... Read More about Model-free robust decoupling control of nonlinear nonaffine dynamic systems.

Model-free sliding mode enhanced proportional, integral, and derivative (SMPID) control (2023)
Journal Article
Zhu, Q. (2023). Model-free sliding mode enhanced proportional, integral, and derivative (SMPID) control. Axioms, 12(8), Article 721. https://doi.org/10.3390/axioms12080721

This study proposes a type of Sliding Mode-based Proportional, Integral, and Derivative (SMPID) controllers to establish a model-free (treat dynamic plants as a whole uncertainty) sliding model control (MFSMC) platform for Bounded-Input and Bounded-O... Read More about Model-free sliding mode enhanced proportional, integral, and derivative (SMPID) control.

Non-predictive model-free control of nonlinear systems with unknown input time delay (2023)
Journal Article
Zhu, Q., Zhang, J., & Zhang, W. (2023). Non-predictive model-free control of nonlinear systems with unknown input time delay. Entropy, 25(7), Article 1076. https://doi.org/10.3390/e25071076

This study presents a general framework for the control of unknown dynamic systems with unknown input delay. A concise output feedback control system is structured with tuning stabilization/dynamic response by an output feedback low gain, removing st... Read More about Non-predictive model-free control of nonlinear systems with unknown input time delay.