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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. (in press). Interval Observer-based Fault Detection and Isolation for Quadrotor UAV with Cable-Suspended Load. IEEE transactions on systems, man, and cybernetics. Systems, https://doi.org/10.1109/TSMC.2024.3411315

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

Distributed Fault-Tolerant Consensus Control of Vehicle Platoon Systems With DoS Attacks (2024)
Journal Article
Liu, C., Xia, Z., & Patton, R. J. (in press). Distributed Fault-Tolerant Consensus Control of Vehicle Platoon Systems With DoS Attacks. IEEE Transactions on Vehicular Technology, https://doi.org/10.1109/TVT.2024.3406608

Vehicle platoon systems are regarded as autonomous vehicles in the platooning pattern, in which vehicles drive in sequence and maintain the desired inter-vehicle spacing. This paper investigates the platoon control problem of vehicle platoon dynamics... Read More about Distributed Fault-Tolerant Consensus Control of Vehicle Platoon Systems With DoS Attacks.

Liu, C., Xia, Z., & Patton, R. J. (2024). Distributed Fault-Tolerant Consensus Control of Vehicle Platoon Systems With DoS Attacks. IEEE Transactions on Vehicular Technology (2024)
Journal Article
Liu, C., Xia, Z., & Patton, R. (in press). Liu, C., Xia, Z., & Patton, R. J. (2024). Distributed Fault-Tolerant Consensus Control of Vehicle Platoon Systems With DoS Attacks. IEEE Transactions on Vehicular Technology. IEEE Transactions on Vehicular Technology, https://doi.org/10.1109/TVT.2024.3406608

Vehicle platoon systems are regarded as autonomous vehicles in the platooning pattern, in which vehicles drive in sequence and maintain the desired inter-vehicle spacing. This paper investigates the platoon control problem of vehicle platoon dynamics... Read More about Liu, C., Xia, Z., & Patton, R. J. (2024). Distributed Fault-Tolerant Consensus Control of Vehicle Platoon Systems With DoS Attacks. IEEE Transactions on Vehicular Technology.

Distributed Event-triggered Fault-tolerant Consensus Control of Multi-agent Systems under DoS Attacks (2024)
Journal Article
Liu, C., Jiang, B., Li, Y., & Patton, R. J. (2024). Distributed Event-triggered Fault-tolerant Consensus Control of Multi-agent Systems under DoS Attacks. IEEE Transactions on Signal and Information Processing over Networks, 10, 390-402. https://doi.org/10.1109/TSIPN.2024.3384814

This study investigates the distributed fault-tolerant consensus issue of multi-agent systems subject to complicated abrupt and incipient time-varying actuator faults in physical hierarchy and aperiodic denial-of-service (DoS) attacks in networked hi... Read More about Distributed Event-triggered Fault-tolerant Consensus Control of Multi-agent Systems under DoS Attacks.

Fault-Tolerant Consensus of Multi-Agent Systems Subject to Multiple Faults and Random Attacks (2024)
Journal Article
Liu, C., Wang, W., Jiang, B., & Patton, R. J. (in press). Fault-Tolerant Consensus of Multi-Agent Systems Subject to Multiple Faults and Random Attacks. IEEE Transactions on Circuits and Systems I: Regular Papers, https://doi.org/10.1109/TCSI.2024.3351214

This paper explores the consensus control problem of nonlinear multi-agent systems (MASs) under complex cyber-physical threats (CPTs), which encompass sensor/actuator faults, input/output channel noises, and random cyber-attacks. The multiple sensor/... Read More about Fault-Tolerant Consensus of Multi-Agent Systems Subject to Multiple Faults and Random Attacks.

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.

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.

The wave energy converter control competition (WECCCOMP): Wave energy control algorithms compared in both simulation and tank testing (2023)
Journal Article
Ringwood, J. V., Tom, N., Ferri, F., Yu, Y. H., Coe, R. G., Ruehl, K., …Faedo, N. (2023). The wave energy converter control competition (WECCCOMP): Wave energy control algorithms compared in both simulation and tank testing. Applied Ocean Research, 138, Article 103653. https://doi.org/10.1016/j.apor.2023.103653

The wave energy control competition established a benchmark problem which was offered as an open challenge to the wave energy system control community. The competition had two stages: In the first stage, competitors used a standard wave energy simula... Read More about The wave energy converter control competition (WECCCOMP): Wave energy control algorithms compared in both simulation and tank testing.

Model Predictive Energy-Maximising Tracking Control for a Wavestar-Prototype Wave Energy Converter (2023)
Journal Article
Li, D., & Patton, R. (2023). Model Predictive Energy-Maximising Tracking Control for a Wavestar-Prototype Wave Energy Converter. Journal of Marine Science and Engineering, 11(7), Article 1289. https://doi.org/10.3390/jmse11071289

To date, one of the main challenges in the wave energy field is to achieve energy-maximizing control in order to reduce the levelized cost of energy (LCOE). This paper presents a model predictive velocity tracking control method based on a hierarchic... Read More about Model Predictive Energy-Maximising Tracking Control for a Wavestar-Prototype Wave Energy Converter.

Improved control strategies for the environment within cell culture bioreactors (2023)
Journal Article
Jones, J., Kindembe, D., Branton, H., Lawal, N., Montero, E. L., Mack, J., …Montague, G. (2023). Improved control strategies for the environment within cell culture bioreactors. Food and Bioproducts Processing, 138, 209-220. https://doi.org/10.1016/j.fbp.2023.02.004

This paper describes the development of improved control strategies for the standard environmental conditions in a fed-batch bioreactor used for monoclonal antibody cell culture. The consequences of relying on fixed parameter PID based controllers ar... Read More about Improved control strategies for the environment within cell culture bioreactors.

Decentralized Fault Estimation and Distributed Fault-tolerant Tracking Control Co-design for Sensor Faulty Multi-agent Systems with Bidirectional Couplings (2023)
Journal Article
Liu, C., Yu, Z., & Patton, R. J. (2023). Decentralized Fault Estimation and Distributed Fault-tolerant Tracking Control Co-design for Sensor Faulty Multi-agent Systems with Bidirectional Couplings. International journal of control, automation and systems, 21, 810-819. https://doi.org/10.1007/s12555-021-1038-4

This study proposes a co-design framework of decentralized fault estimation and distributed fault-tolerant tracking control schemes of Lipschitz nonlinear multi-agent systems with external disturbances and unpredicted sensor faults. To begin with, th... Read More about Decentralized Fault Estimation and Distributed Fault-tolerant Tracking Control Co-design for Sensor Faulty Multi-agent Systems with Bidirectional Couplings.

Actuator fault tolerant offshore wind turbine load mitigation control (2023)
Journal Article
Liu, Y., Patton, R. J., & Shi, S. (2023). Actuator fault tolerant offshore wind turbine load mitigation control. Renewable energy, 205, 432-446. https://doi.org/10.1016/j.renene.2023.01.092

Offshore wind turbine (OWT) rotors have large diameters with flexible blade structures which are subject to asymmetrical loads caused by blade flapping and turbulent or unsteady wind flow. Rotor imbalance inevitably leads to enhanced fatigue of blade... Read More about Actuator fault tolerant offshore wind turbine load mitigation control.

Fault-tolerant consensus control of multi-agent systems under actuator/sensor faults and channel noises: A distributed anti-attack strategy (2022)
Journal Article
Liu, C., Zhao, J., Jiang, B., & Patton, R. J. (2023). Fault-tolerant consensus control of multi-agent systems under actuator/sensor faults and channel noises: A distributed anti-attack strategy. Information Sciences, 623, 1-19. https://doi.org/10.1016/j.ins.2022.12.003

This study investigates the fault-tolerant consensus control problem of multi-agent systems subject to simultaneous actuator/sensor faults and channel noises in physical hierarchy and hostile connectivity-mixed attacks in cyber hierarchy. Actuator/se... Read More about Fault-tolerant consensus control of multi-agent systems under actuator/sensor faults and channel noises: A distributed anti-attack strategy.

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.

Application of model-based LPV actuator fault estimation for an industrial benchmark (2016)
Journal Article
Chen, L., Patton, R., & Goupil, P. (2016). Application of model-based LPV actuator fault estimation for an industrial benchmark. Control engineering practice, 56, 60-74. https://doi.org/10.1016/j.conengprac.2016.08.003

To bridge the gap between model-based fault diagnosis theory and the industry practice, a linear parameter varying H_/H∞ fault estimation approach is applied to a high fidelity nonlinear aircraft benchmark, to deal with the various actuator fault det... Read More about Application of model-based LPV actuator fault estimation for an industrial benchmark.

Integrated design of fault-tolerant control for nonlinear systems based on fault estimation and T-S fuzzy modelling (2016)
Journal Article
Lan, J., & Patton, R. J. (2017). Integrated design of fault-tolerant control for nonlinear systems based on fault estimation and T-S fuzzy modelling. IEEE Transactions on Fuzzy Systems, 25(5), 1141-1154. https://doi.org/10.1109/tfuzz.2016.2598849

This paper proposes an integrated design of faulttolerant control (FTC) for nonlinear systems using Takagi-Sugeno (T-S) fuzzy models in the presence of modelling uncertainty along with actuator/sensor faults and external disturbance. An augmented sta... Read More about Integrated design of fault-tolerant control for nonlinear systems based on fault estimation and T-S fuzzy modelling.

Integrated fault estimation and fault-tolerant control for uncertain Lipschitz nonlinear systems (2016)
Journal Article
Lan, J., & Patton, R. J. (2017). Integrated fault estimation and fault-tolerant control for uncertain Lipschitz nonlinear systems. International journal of robust and nonlinear control, 27(5), 761-780. https://doi.org/10.1002/rnc.3597

This paper proposes an integrated fault estimation and fault-tolerant control (FTC) design for Lipschitz non-linear systems subject to uncertainty, disturbance, and actuator/sensor faults. A non-linear unknown input observer without rank requirement... Read More about Integrated fault estimation and fault-tolerant control for uncertain Lipschitz nonlinear systems.

A new strategy for integration of fault estimation within fault-tolerant control (2016)
Journal Article
Lan, J., & Patton, R. J. (2016). A new strategy for integration of fault estimation within fault-tolerant control. Automatica : the journal of IFAC, the International Federation of Automatic Control, 69, 48-59. https://doi.org/10.1016/j.automatica.2016.02.014

© 2016 Elsevier Ltd. All rights reserved. The problem of active fault tolerant control (FTC) of dynamical systems involves the process of fault detection and isolation/fault estimation (FDI/FE) used to either make a decision as to when and how to cha... Read More about A new strategy for integration of fault estimation within fault-tolerant control.

Robust fault estimation using an LPV reference model : ADDSAFE benchmark case study (2015)
Journal Article
Chen, L., Patton, R., & Goupil, P. (2016). Robust fault estimation using an LPV reference model : ADDSAFE benchmark case study. Control engineering practice, 49, 194-203. https://doi.org/10.1016/j.conengprac.2015.12.006

This paper investigates a mixed H−/H∞ linear parameter varying (LPV) fault estimator using an LPV reference estimator. LMIs are used to calculate the affine parameter-dependent gains of the LPV fault estimator. The design strategy is applied to a hig... Read More about Robust fault estimation using an LPV reference model : ADDSAFE benchmark case study.

A relaxed solution to unknown input observers for state and fault estimation (2015)
Journal Article
Tan, D., Patton, R. J., & Wang, X. (2015). A relaxed solution to unknown input observers for state and fault estimation. IFAC Proceedings Volumes/ International Federation of Automatic Control, 28(21), 1048-1053. https://doi.org/10.1016/j.ifacol.2015.09.665

A lot of effort has been devoted to the unknown input observer (UIO) research over the past years. However, the strong disturbance decoupling assumption (manifested as some rank constraint) is often implicitly embedded in much of the existing UIO wor... Read More about A relaxed solution to unknown input observers for state and fault estimation.

Chemical process disturbance compensation as a fault tolerant control problem (2015)
Journal Article
Simani, S., Farsoni, S., & Patton, R. J. (2015). Chemical process disturbance compensation as a fault tolerant control problem. IFAC Proceedings Volumes/ International Federation of Automatic Control, 28(21), 1102-1107. https://doi.org/10.1016/j.ifacol.2015.09.674

In general, the control of chemical processes that involve unknown disturbances presents interesting challenges. Research issues have been focused on detailed modelling of the involved phenomena in order to use e.g. robust on-line disturbance compens... Read More about Chemical process disturbance compensation as a fault tolerant control problem.

Integrated fault estimation and fault tolerant control: A joint design (2015)
Journal Article
Tan, D., & Patton, R. J. (2015). Integrated fault estimation and fault tolerant control: A joint design. IFAC Proceedings Volumes/ International Federation of Automatic Control, 28(21), 517-522. https://doi.org/10.1016/j.ifacol.2015.09.578

© 2015, IFAC (International Federation of Automatic Control) Hosting by Elsevier Ltd. All rights reserved. Over the past decades, substantial progress has been made in fault detection and diagnosis (FDD) and fault tolerant control (FTC) research. Rec... Read More about Integrated fault estimation and fault tolerant control: A joint design.

An active fault tolerant control approach to an offshore wind turbine model (2014)
Journal Article
Shi, F., & Patton, R. (2015). An active fault tolerant control approach to an offshore wind turbine model. Renewable energy, 75(March), 788-798. https://doi.org/10.1016/j.renene.2014.10.061

The paper proposes an observer based active fault tolerant control (AFTC) approach to a non-linear large rotor wind turbine benchmark model. A sensor fault hiding and actuator fault compensation strategy is adopted in the design. The adapted observer... Read More about An active fault tolerant control approach to an offshore wind turbine model.

Fault estimation and active fault tolerant control for linear parameter varying descriptor systems (2014)
Presentation / Conference Contribution
Shi, F., & Patton, R. J. Fault estimation and active fault tolerant control for linear parameter varying descriptor systems

Starting with the baseline controller design, this paper proposes an integrated approach of active fault tolerant control based on proportional derivative extended state observer (PDESO) for linear parameter varying descriptor systems. The PDESO can... Read More about Fault estimation and active fault tolerant control for linear parameter varying descriptor systems.

Predictive control approaches to fault tolerant control of wind turbines (2014)
Thesis
Feng, X. (2014). Predictive control approaches to fault tolerant control of wind turbines. (Thesis). University of Hull. Retrieved from https://hull-repository.worktribe.com/output/4216343

This thesis focuses on active fault tolerant control (AFTC) of wind turbine systems. Faults in wind turbine systems can be in the form of sensor faults, actuator faults, or component faults. These faults can occur in different locations, such as the... Read More about Predictive control approaches to fault tolerant control of wind turbines.

Active sensor fault tolerant output feedback tracking control for wind turbine systems via T-S model (2014)
Journal Article
Shaker, M. S., & Patton, R. J. (2014). Active sensor fault tolerant output feedback tracking control for wind turbine systems via T-S model. Engineering applications of artificial intelligence, 34, 1-12. https://doi.org/10.1016/j.engappai.2014.04.005

This paper presents a new approach to active sensor fault tolerant tracking control (FTTC) for offshore wind turbine (OWT) described via Takagi–Sugeno (T–S) multiple models. The FTTC strategy is designed in such way that aims to maintain nominal wind... Read More about Active sensor fault tolerant output feedback tracking control for wind turbine systems via T-S model.

Mathematical modelling of the pathogenesis of multiple myeloma-induced bone disease (2014)
Journal Article
Ji, B., Genever, P. G., Patton, R. J., & Fagan, M. J. (2014). Mathematical modelling of the pathogenesis of multiple myeloma-induced bone disease. International journal for numerical methods in biomedical engineering, 30(11), 1085-1102. https://doi.org/10.1002/cnm.2645

Multiple myeloma (MM) is the second most common haematological malignancy and results in destructive bone lesions. The interaction between MM cells and the bone microenvironment plays an important role in the development of the tumour cells and MM-in... Read More about Mathematical modelling of the pathogenesis of multiple myeloma-induced bone disease.

A predator-prey based mathematical model of the bone remodelling cycle: Exploring the relationship between the model parameters and biochemical factors (2014)
Journal Article
Ji, B., Yang, Q., Genever, P. G., Patton, R. J., & Fagan, M. J. (2014). A predator-prey based mathematical model of the bone remodelling cycle: Exploring the relationship between the model parameters and biochemical factors. Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine, 228(10), 1035-1042. https://doi.org/10.1177/0954411914554633

© IMechE 2014. Bone remodelling is a vital process which enables bone to repair, renew and optimize itself. Disorders in the bone remodelling process are inevitably manifested in bone-related diseases, such as hypothyroidism, primary hyperparathyroid... Read More about A predator-prey based mathematical model of the bone remodelling cycle: Exploring the relationship between the model parameters and biochemical factors.

Active fault tolerant control for nonlinear systems with simultaneous actuator and sensor faults (2013)
Journal Article
Sami, M., & Patton, R. J. (2013). Active fault tolerant control for nonlinear systems with simultaneous actuator and sensor faults. International journal of control, automation and systems, 11(6), 1149-1161. https://doi.org/10.1007/s12555-013-0227-1

The goal of this paper is to describe a novel fault tolerant tracking control (FTTC) strategy based on robust fault estimation and compensation of simultaneous actuator and sensor faults. Within the framework of fault tolerant control (FTC) the chall... Read More about Active fault tolerant control for nonlinear systems with simultaneous actuator and sensor faults.

Observer based active fault tolerant control of descriptor systems (2013)
Thesis
Shi, F. (2013). Observer based active fault tolerant control of descriptor systems. (Thesis). University of Hull. Retrieved from https://hull-repository.worktribe.com/output/4214916

The active fault tolerant control (AFTC) uses the information provided by fault detection and fault diagnosis (FDD) or fault estimation (FE) systems offering an opportunity to improve the safety, reliability and survivability for complex modern syste... Read More about Observer based active fault tolerant control of descriptor systems.

Fault tolerant control for nonlinear aircraft based on feedback linearization (2013)
Thesis
Tang, Y. (2013). Fault tolerant control for nonlinear aircraft based on feedback linearization. (Thesis). University of Hull. Retrieved from https://hull-repository.worktribe.com/output/4214935

The thesis concerns the fault tolerant flight control (FTFC) problem for nonlinear aircraft by making use of analytical redundancy. Considering initially fault-free flight, the feedback linearization theory plays an important role to provide a baseli... Read More about Fault tolerant control for nonlinear aircraft based on feedback linearization.

Unknown input observer approaches to robust fault diagnosis (2013)
Thesis
Sun, X. (2013). Unknown input observer approaches to robust fault diagnosis. (Thesis). University of Hull. Retrieved from https://hull-repository.worktribe.com/output/4214961

This thesis focuses on the development of the model-based fault detection and isolation /fault detection and diagnosis (FDI/FDD) techniques using the unknown input observer (UIO) methodology. Using the UI de-coupling philosophy to tackle the robustne... Read More about Unknown input observer approaches to robust fault diagnosis.

Robust de-centralized control and estimation for inter-connected systems (2013)
Thesis
Larbah, E. Y. (2013). Robust de-centralized control and estimation for inter-connected systems. (Thesis). University of Hull. Retrieved from https://hull-repository.worktribe.com/output/4214769

The thesis is concerned with the theoretical development of the control of inter-connected systems to achieve the whole overall stability and specific performance. A special included feature is the Fault-Tolerant Control (FTC) problem for the inter-c... Read More about Robust de-centralized control and estimation for inter-connected systems.

Decentralized sliding mode control and estimation for large-scale systems (2013)
Thesis
Huang, Z. (2013). Decentralized sliding mode control and estimation for large-scale systems. (Thesis). University of Hull. Retrieved from https://hull-repository.worktribe.com/output/4214592

This thesis concerns the development of an approach of decentralised robust control and estimation for large scale systems (LSSs) using robust sliding mode control (SMC) and sliding mode observers (SMO) theory based on a linear matrix inequality (LMI... Read More about Decentralized sliding mode control and estimation for large-scale systems.

The effect of osteocyte apoptosis on signalling in the osteocyte and bone lining cell network: A computer simulation (2012)
Journal Article
Jahani, M., Genever, P. G., Patton, R. J., Ahwal, F., & Fagan, M. J. (2012). The effect of osteocyte apoptosis on signalling in the osteocyte and bone lining cell network: A computer simulation. Journal of biomechanics, 45(16), 2876-2883. https://doi.org/10.1016/j.jbiomech.2012.08.005

Osteocytes play a critical role in the regulation of bone remodelling by translating strain due to mechanical loading into biochemical signals transmitted through the interconnecting lacuno-canalicular network to bone lining cells (BLCs) on the bone... Read More about The effect of osteocyte apoptosis on signalling in the osteocyte and bone lining cell network: A computer simulation.

Active fault-tolerant control of nonlinear systems with wind turbine application (2012)
Thesis
Shaker, M. S. (2012). Active fault-tolerant control of nonlinear systems with wind turbine application. (Thesis). University of Hull. Retrieved from https://hull-repository.worktribe.com/output/4214129

The thesis concerns the theoretical development of Active Fault-Tolerant Control (AFTC) methods for nonlinear system via T-S multiple-modelling approach. The thesis adopted the estimation and compensation approach to AFTC within a tracking control fr... Read More about Active fault-tolerant control of nonlinear systems with wind turbine application.

Observer-based robust fault estimation for fault-tolerant control (2012)
Thesis
Nie, C. (2012). Observer-based robust fault estimation for fault-tolerant control. (Thesis). University of Hull. Retrieved from https://hull-repository.worktribe.com/output/4214151

A control system is fault-tolerant if it possesses the capability of optimizing the system stability and admissible performance subject to bounded faults, complexity and modeling uncertainty. Based on this definition this thesis is concerned with the... Read More about Observer-based robust fault estimation for fault-tolerant control.

An LPV pole-placement approach to friction compensation as an FTC problem (2012)
Journal Article
Chen, L., Patton, R., & Klinkhieo, S. (2012). An LPV pole-placement approach to friction compensation as an FTC problem. International Journal of Applied Mathematics and Computer Science, 22(1), 149-160. https://doi.org/10.2478/v10006-012-0011-z

The concept of combining robust fault estimation within a controller system to achieve active Fault Tolerant Control (FTC) has been the subject of considerable interest in the recent literature. The current study is motivated by the need to develop m... Read More about An LPV pole-placement approach to friction compensation as an FTC problem.

A novel mathematical model of bone remodelling cycles for trabecular bone at the cellular level (2012)
Journal Article
Ji, B., Genever, P. G., Patton, R. J., Putra, D., & Fagan, M. J. (2012). A novel mathematical model of bone remodelling cycles for trabecular bone at the cellular level. Biomechanics and Modeling in Mechanobiology, 11(7), 973-982. https://doi.org/10.1007/s10237-011-0366-3

After an initial phase of growth and development, bone undergoes a continuous cycle of repair, renewal and optimisation by a process called remodelling. This paper describes a novel mathematical model of the trabecular bone remodelling cycle. It is e... Read More about A novel mathematical model of bone remodelling cycles for trabecular bone at the cellular level.

Robust FDI applied to thruster faults of a satellite system (2010)
Journal Article
Patton, R. J., Polle, B., Simani, S., & Uppal, F. J. (2010). Robust FDI applied to thruster faults of a satellite system. Control engineering practice, 18(9), 1093-1109. https://doi.org/10.1016/j.conengprac.2009.04.011

This paper presents a practical solution to the problem of robust fault detection and isolation (FDI) for faults affecting the thrusters of a satellite system Mars Express (MEX). A non-linear model of MEX is used and the system is considered in the p... Read More about Robust FDI applied to thruster faults of a satellite system.

Friction compensation as a fault-tolerant control problem (2010)
Journal Article
Patton, R. J., Putra, D., & Klinkhieo, S. (2010). Friction compensation as a fault-tolerant control problem. International Journal of Systems Science, 41(8), 987-1001. https://doi.org/10.1080/00207720903434797

The control of systems that involve friction presents interesting challenges. Recent research has focused on detailed modelling of friction phenomena in order to use robust on-line friction compensation procedures, attempting to cancel out the fricti... Read More about Friction compensation as a fault-tolerant control problem.

On-line estimation approaches to fault-tolerant control of uncertain systems (2009)
Thesis
Klinkhieo, S. (2009). On-line estimation approaches to fault-tolerant control of uncertain systems. (Thesis). University of Hull. Retrieved from https://hull-repository.worktribe.com/output/4209144

This thesis is concerned with fault estimation in Fault-Tolerant Control (FTC) and as such involves the joint problem of on-line estimation within an adaptive control system. The faults that are considered are significant uncertainties affecting the... Read More about On-line estimation approaches to fault-tolerant control of uncertain systems.

Robust FDI for FTC coordination in a distributed network system (2008)
Journal Article
Klinkhieo, S., Patton, R. J., & Kambhampati, C. (2008). Robust FDI for FTC coordination in a distributed network system. IFAC Proceedings Volumes/ International Federation of Automatic Control, 41(2), 13551-13556. https://doi.org/10.3182/20080706-5-KR-1001.0468

This paper focuses on the development of a suitable Fault Detection and Isolation (FDI) strategy for application to a system of inter-connected and distributed systems, as a basis for a fault-tolerant Network Control System (NCS) problem. The work fo... Read More about Robust FDI for FTC coordination in a distributed network system.

Reliable fault diagnosis scheme for a spacecraft attitude control system (2008)
Journal Article
Patton, R. J., Uppal, F. J., Simani, S., & Polle, B. (2008). Reliable fault diagnosis scheme for a spacecraft attitude control system. Proceedings of the Institution of Mechanical Engineers. Part O, Journal of risk and reliability, 222(2), 139-152. https://doi.org/10.1243/1748006xjrr98

This paper presents a scheme for fault detection and isolation (FDI) of on-board gyroscope sensors and thrusters for spacecraft attitude control, based on the example of the Mars Express (MEX) satellite. The main contribution of the paper is related... Read More about Reliable fault diagnosis scheme for a spacecraft attitude control system.

A generic strategy for fault-tolerance in control systems distributed over a network (2007)
Journal Article
Patton, R. J., Kambhampati, C., Casavola, A., Zhang, P., Ding, S., & Sauter, D. (2007). A generic strategy for fault-tolerance in control systems distributed over a network. European journal of control / EUCA, European Control Association, 13(2-3), 280-296. https://doi.org/10.3166/ejc.13.280-296

This paper provides a tutorial overview, of a number of aspects and approaches to Control over the Network for Network Control Systems (NCS) that are likely to lead to good fault-tolerant control properties, subject to network faults. In order to ana... Read More about A generic strategy for fault-tolerance in control systems distributed over a network.

Fault diagnosis of an industrial gas turbine prototype using a system identification approach (2007)
Journal Article
Simani, S., & Patton, R. J. (2008). Fault diagnosis of an industrial gas turbine prototype using a system identification approach. Control engineering practice, 16(7), 769-786. https://doi.org/10.1016/j.conengprac.2007.08.009

In this work, a model-based procedure exploiting analytical redundancy for the detection and isolation of faults on a gas turbine simulated process is presented. The main point of the paper consists of exploiting an identification scheme in connectio... Read More about Fault diagnosis of an industrial gas turbine prototype using a system identification approach.

An interaction predictive approach to fault-tolerant control in network control systems (2007)
Journal Article
Kambhampati, C., Perkgoz, C., Patton, R. J., & Ahamed, W. (2007). An interaction predictive approach to fault-tolerant control in network control systems. Proceedings of the Institution of Mechanical Engineers, Part I: Journal of Systems and Control Engineering, 221(6), 885-894. https://doi.org/10.1243/09596518jsce377

This paper illustrates some of the capabilities of previously proposed network control system (NCS) architectures to carry on functioning in the event of faults, without recourse to system reconfiguration. The principle of interaction prediction is u... Read More about An interaction predictive approach to fault-tolerant control in network control systems.

Observing a three-tank system (2005)
Journal Article
Hou, M., Xiong, Y., & Patton, R. (2005). Observing a three-tank system. IEEE Transactions on Control Systems Technology, 13(3), 478-484. https://doi.org/10.1109/TCST.2004.839578

Observability analysis and observer synthesis are studied for a three-tank water process. Observability of the process is considered under various assumptions on measurements. The observer design takes into account singularity of nonlinear observers.... Read More about Observing a three-tank system.

An observer design for linear time-delay systems (2002)
Journal Article
Hou, M., Zítek, P., & Patton, R. J. (2002). An observer design for linear time-delay systems. IEEE transactions on automatic control, 47(1), 121-125. https://doi.org/10.1109/9.981730

An observer design is proposed for linear systems with time delay. The key of the design is to find a generalized coordinate change such that in the new coordinates all the time-delay terms are injected by the system's output. The existence of such a... Read More about An observer design for linear time-delay systems.

Model based methods for sensor fault-tolerant control of rail vehicle traction (1998)
Thesis
Bennett, S. (1998). Model based methods for sensor fault-tolerant control of rail vehicle traction. (Thesis). University of Hull. Retrieved from https://hull-repository.worktribe.com/output/4212732

This thesis explores the application of modem fault-detection methods to electric rail traction drives. Such drives consist of three main components, induction motors, power inverters and the control system. The power electronics are relatively simpl... Read More about Model based methods for sensor fault-tolerant control of rail vehicle traction.

Output feedback sliding mode FTC for a class of nonlinear inter-connected systems
Presentation / Conference Contribution
Patton, R. J., & Huang, Z. Output feedback sliding mode FTC for a class of nonlinear inter-connected systems. Paper presented at IFAC-PapersOnLine

This paper is concerned with the challenge of developing a fault-tolerant control (FTC) scheme for an inter-connected decentralised system in which the individual subsystems are linear but the inter-connections are non-linear functions of the subsyst... Read More about Output feedback sliding mode FTC for a class of nonlinear inter-connected systems.