All Outputs (48)

Distributed finite-time adaptive fault-tolerant consensus control of second-order multi-agent systems under deception attacks (2024)
Journal Article
Liu, C., Wang, W., Yu, Z., & Patton, R. J. (in press). Distributed finite-time adaptive fault-tolerant consensus control of second-order multi-agent systems under deception attacks. International journal of adaptive control and signal processing, https://doi.org/10.1002/acs.3750

This study addresses the issue of distributed fault-tolerant consensus control for second-order multi-agent systems subject to simultaneous actuator bias faults in the physical layer and deception attacks in the cyber layer. Cyber-physical threats (m... Read More about Distributed finite-time adaptive fault-tolerant consensus control of second-order multi-agent systems under deception attacks.

Interval Observer-Based Fault Detection and Isolation for Quadrotor UAV with Cable-Suspended Load (2024)
Journal Article
Zhu, X., Li, Y., Yin, G., & Patton, R. J. (2024). Interval Observer-Based Fault Detection and Isolation for Quadrotor UAV with Cable-Suspended Load. IEEE transactions on systems, man, and cybernetics. Systems, 54(10), 5876-5888. https://doi.org/10.1109/TSMC.2024.3411315

This article proposes an actuator fault detection and isolation (FDI) scheme for quadrotor unmanned aerial vehicle (UAV) with a cable-suspended load. First, a linear parameter-varying (LPV) model of quadrotor UAV is established, in which the effects... Read More about Interval Observer-Based Fault Detection and Isolation for Quadrotor UAV with Cable-Suspended Load.

Defense and Tolerance Technique Against Attacks and Faults on Leader-Following Multi-USVs (2023)
Journal Article
Liu, C., Xia, Z., Tian, Y., & Patton, R. J. (in press). Defense and Tolerance Technique Against Attacks and Faults on Leader-Following Multi-USVs. IEEE Transactions on Intelligent Transportation Systems, https://doi.org/10.1109/TITS.2023.3330570

This study explores the leader-following consensus tracking control issue of multiple unmanned surface vehicles (multi-USVs) in the presence of malicious connectivity-mixed attacks in the cyber layer, and concurrent output channel noises, sensor/actu... Read More about Defense and Tolerance Technique Against Attacks and Faults on Leader-Following Multi-USVs.

Sensor Fault Tolerant Control for a 3-DOF Helicopter Considering Detectability Loss (2023)
Journal Article
Wang, X., Wang, Y., Zhang, Z., Wang, X., & Patton, R. (2023). Sensor Fault Tolerant Control for a 3-DOF Helicopter Considering Detectability Loss. IEEE Transactions on Circuits and Systems I: Regular Papers, https://doi.org/10.1109/TCSI.2023.3303153

This paper proposes a novel active fault tolerant control (FTC) scheme for a 3-degree-of-freedom (3-DOF) helicopter with sensor faults. As a challenge, only attitude angles are considered available, so that when the sensors measuring the elevation/tr... Read More about Sensor Fault Tolerant Control for a 3-DOF Helicopter Considering Detectability Loss.

An iterative strategy for robust integration of fault estimation and fault-tolerant control (2022)
Journal Article
Lan, J., & Patton, R. (2022). An iterative strategy for robust integration of fault estimation and fault-tolerant control. Automatica : the journal of IFAC, the International Federation of Automatic Control, 145, Article 110556. https://doi.org/10.1016/j.automatica.2022.110556

This paper considers fault estimation (FE) and fault-tolerant control (FTC) for linear parameter varying systems with actuator and sensor faults, uncertainties, and disturbances. The inevitable coupling between the FE and FTC functions needs to be ta... Read More about An iterative strategy for robust integration of fault estimation and fault-tolerant control.

Distributed Antittack Fault-Tolerant Tracking Control for Vehicle Platoon Systems Under Cyber-Physical Threats (2022)
Journal Article
Liu, C., Zhao, J., & Patton, R. J. (2023). Distributed Antittack Fault-Tolerant Tracking Control for Vehicle Platoon Systems Under Cyber-Physical Threats. IEEE Transactions on Industrial Informatics, 19(6), 7825-7834. https://doi.org/10.1109/TII.2022.3171343

Vehicle platoon systems are considered as automatous vehicles in a platoon-based driving pattern in which a following vehicle follows the preceding vehicle and maintains the desired vehicle spacing. This article investigates the leader-following trac... Read More about Distributed Antittack Fault-Tolerant Tracking Control for Vehicle Platoon Systems Under Cyber-Physical Threats.

Aggressive maneuver oriented robust actuator fault estimation of a 3-DOF helicopter prototype considering measurement noises (2021)
Journal Article
Wang, T., Lu, M., Zhu, X., & Patton, R. (2022). Aggressive maneuver oriented robust actuator fault estimation of a 3-DOF helicopter prototype considering measurement noises. IEEE/ASME Transactions on Mechatronics, 27(3), 1672-1682. https://doi.org/10.1109/TMECH.2021.3087193

This paper presents a robust actuator fault estimation strategy design for a 3-DOF helicopter prototype which can be adapted to aggressive maneuvers. First, considering large pitch angle condition during flight, nonlinear coupling characteristic of t... Read More about Aggressive maneuver oriented robust actuator fault estimation of a 3-DOF helicopter prototype considering measurement noises.

Distributed Fault-Tolerant Consensus Tracking Control of Multi-Agent Systems under Fixed and Switching Topologies (2021)
Journal Article
Patton, R. J., Liu, C., Jiang, B., & Zhang, K. (2021). Distributed Fault-Tolerant Consensus Tracking Control of Multi-Agent Systems under Fixed and Switching Topologies. IEEE Transactions on Circuits and Systems I: Regular Papers, 68(4), 1646-1658. https://doi.org/10.1109/TCSI.2021.3049347

This paper proposes a novel distributed fault-tolerant consensus tracking control design for multi-agent systems with abrupt and incipient actuator faults under fixed and switching topologies. The fault and state information of each individual agent... Read More about Distributed Fault-Tolerant Consensus Tracking Control of Multi-Agent Systems under Fixed and Switching Topologies.

Wind turbine asymmetrical load reduction with pitch sensor fault compensation (2020)
Journal Article
Liu, Y., Patton, R. J., & Shi, S. (2020). Wind turbine asymmetrical load reduction with pitch sensor fault compensation. Wind energy, 23(7), 1523-1541. https://doi.org/10.1002/we.2496

Offshore wind turbines suffer from asymmetrical loading (blades, tower, etc), leading to enhanced structural fatigue. As well as asymmetrical loading different faults (pitch system faults etc.) can occur simultaneously, causing degradation of load mi... Read More about Wind turbine asymmetrical load reduction with pitch sensor fault compensation.

Observer-Based Unknown Input Estimator of Wave Excitation Force for a Wave Energy Converter (2019)
Journal Article
Abdelrahman, M., & Patton, R. (2020). Observer-Based Unknown Input Estimator of Wave Excitation Force for a Wave Energy Converter. IEEE Transactions on Control Systems Technology, 28(6), 2665-2672. https://doi.org/10.1109/TCST.2019.2944329

Several energy maximization control approaches for point-absorber wave-energy converter (PAWEC) systems require knowledge of the wave excitation force (WEF) that is not measurable during the PAWEC operation. Many WEF estimators have been proposed bas... Read More about Observer-Based Unknown Input Estimator of Wave Excitation Force for a Wave Energy Converter.

Integrated Fault-Tolerant Control for Close Formation Flight (2019)
Journal Article
Liu, C., Jiang, B., Patton, R. J., & Zhang, K. (2020). Integrated Fault-Tolerant Control for Close Formation Flight. IEEE Transactions on Aerospace and Electronic Systems, 56(2), 839-852. https://doi.org/10.1109/TAES.2019.2920221

This paper investigates the position-tracking and attitude-tracking control problem of close formation flight with vortex effects under simultaneous actuator and sensor faults. On the basis of the estimated state and fault information from unknown in... Read More about Integrated Fault-Tolerant Control for Close Formation Flight.

Decentralized Output Sliding-Mode Fault-Tolerant Control for Heterogeneous Multiagent Systems (2019)
Journal Article
Liu, C., Jiang, B., Patton, R. J., & Zhang, K. (2020). Decentralized Output Sliding-Mode Fault-Tolerant Control for Heterogeneous Multiagent Systems. IEEE Transactions on Cybernetics, 50(12), 4934-4945. https://doi.org/10.1109/TCYB.2019.2912636

This paper proposes a novel decentralized output sliding-mode fault-tolerant control (FTC) design for heterogeneous multiagent systems (MASs) with matched disturbances, unmatched nonlinear interactions, and actuator faults. The respective iteration a... Read More about Decentralized Output Sliding-Mode Fault-Tolerant Control for Heterogeneous Multiagent Systems.

Enhancement of wave energy absorption efficiency via geometry and power take-off damping tuning (2018)
Journal Article
Jin, S., Patton, R. J., & Guo, B. (2019). Enhancement of wave energy absorption efficiency via geometry and power take-off damping tuning. Energy, 169, 819-832. https://doi.org/10.1016/j.energy.2018.12.074

In this work a three dimensional computational fluid dynamic (CFD) model has been constructed based on a 1/50 scale heaving point absorber wave energy converter (PAWEC). The CFD model is validated first via wave tank tests and then is applied in this... Read More about Enhancement of wave energy absorption efficiency via geometry and power take-off damping tuning.

Hierarchical-Structure-Based Fault Estimation and Fault-Tolerant Control for Multiagent Systems (2018)
Journal Article
Liu, C., Jiang, B., Patton, R. J., & Zhang, K. (2019). Hierarchical-Structure-Based Fault Estimation and Fault-Tolerant Control for Multiagent Systems. IEEE Transactions on Control of Network Systems, 6(2), 586-597. https://doi.org/10.1109/TCNS.2018.2860460

This paper proposes a hierarchical-structure-based fault estimation and fault-tolerant control design with bidirectional interactions for nonlinear multiagent systems with actuator faults. The hierarchical structure consists of distributed multiagent... Read More about Hierarchical-Structure-Based Fault Estimation and Fault-Tolerant Control for Multiagent Systems.

Viscosity effect on a point absorber wave energy converter hydrodynamics validated by simulation and experiment (2018)
Journal Article
Siya, J., Patton, R. J., & Guo, B. (2018). Viscosity effect on a point absorber wave energy converter hydrodynamics validated by simulation and experiment. Renewable energy, 129(A), 500-512. https://doi.org/10.1016/j.renene.2018.06.006

To achieve optimal power in a wave energy conversion (WEC) system it is necessary to understand the device hydrodynamics. To maximize conversion efficiency the goal is to tune the WEC performance into resonance. The main challenge then to be overcome... Read More about Viscosity effect on a point absorber wave energy converter hydrodynamics validated by simulation and experiment.

Numerical and experimental studies of excitation force approximation for wave energy conversion (2018)
Journal Article
Guo, B., Patton, R. J., Jin, S., & Lan, J. (2018). Numerical and experimental studies of excitation force approximation for wave energy conversion. Renewable energy, 125, 877-889. https://doi.org/10.1016/j.renene.2018.03.007

Past or/and future information of the excitation force is useful for real-time power maximisation control of Wave Energy Converter (WEC) systems. Current WEC modelling approaches assume that the wave excitation force is accessible and known. However,... Read More about Numerical and experimental studies of excitation force approximation for wave energy conversion.

A decoupling approach to integrated fault-tolerant control for linear systems with unmatched non-differentiable faults (2017)
Journal Article
Lan, J., & Patton, R. J. (2018). A decoupling approach to integrated fault-tolerant control for linear systems with unmatched non-differentiable faults. Automatica : the journal of IFAC, the International Federation of Automatic Control, 89, 290-299. https://doi.org/10.1016/j.automatica.2017.12.011

This paper proposes a decoupling approach to the integrated design of fault estimation (FE) and fault-tolerant control (FTC) for linear systems in the presence of unknown bounded actuator faults and perturbations. An adaptive sliding mode augmented s... Read More about A decoupling approach to integrated fault-tolerant control for linear systems with unmatched non-differentiable faults.

Nonlinear Modeling and Verification of a Heaving Point Absorber for Wave Energy Conversion (2017)
Journal Article
Guo, B., Patton, R., Jin, S., Gilbert, J., & Parsons, D. (2017). Nonlinear Modeling and Verification of a Heaving Point Absorber for Wave Energy Conversion. IEEE Transactions on Sustainable Energy, 9(1), 453-461. https://doi.org/10.1109/tste.2017.2741341

Although the heaving Point Absorber (PA) concept is well known in wave energy conversion research, few studies focus on appropriate modelling of non-linear fluid viscous and mechanical friction dynamics. Even though these concepts are known to have n... Read More about Nonlinear Modeling and Verification of a Heaving Point Absorber for Wave Energy Conversion.

Integrated fault-tolerant control for a 3-DOF helicopter with actuator faults and saturation (2017)
Journal Article
Lan, J., Patton, R. J., & Zhu, X. (2017). Integrated fault-tolerant control for a 3-DOF helicopter with actuator faults and saturation. IET Control Theory and Applications, 11(14), 2232-2241. https://doi.org/10.1049/iet-cta.2016.1602

© The Institution of Engineering and Technology 2017. This study proposes a fault estimation (FE)-based fault-tolerant control (FTC) strategy to maintain system reliability and achieve desirable control performance for a 3-DOF helicopter system with... Read More about Integrated fault-tolerant control for a 3-DOF helicopter with actuator faults and saturation.

Fault-tolerant wind turbine pitch control using adaptive sliding mode estimation (2016)
Journal Article
Lan, J., Patton, R. J., & Zhu, X. (2018). Fault-tolerant wind turbine pitch control using adaptive sliding mode estimation. Renewable energy, 116, 219-231. https://doi.org/10.1016/j.renene.2016.12.005

Wind turbine pitch systems are essential for actuating desired blade angles and hence to keep the generator at rated speed in operation region 3. In the presence of parametric pitch actuator faults, pitch systems may have slow dynamics, affecting the... Read More about Fault-tolerant wind turbine pitch control using adaptive sliding mode estimation.