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A techno-economic assessment of implementing power-to-gas systems based on biomethanation in an operating waste water treatment plant (2020)
Journal Article
Michailos, S., Walker, M., Moody, A., Poggio, D., & Pourkashanian, M. (2021). A techno-economic assessment of implementing power-to-gas systems based on biomethanation in an operating waste water treatment plant. Journal of Environmental Chemical Engineering, 9(1), Article 104735. https://doi.org/10.1016/j.jece.2020.104735

The aim of the present study is to assess the techno-economic viability of integrating biomethanation into power to gas systems in a real waste water treatment plant (WWTP). The research is the first attempt to assess the viability of several scenari... Read More about A techno-economic assessment of implementing power-to-gas systems based on biomethanation in an operating waste water treatment plant.

Biomethane production using an integrated anaerobic digestion, gasification and CO2 biomethanation process in a real waste water treatment plant: A techno-economic assessment (2020)
Journal Article
Michailos, S., Walker, M., Moody, A., Poggio, D., & Pourkashanian, M. (2020). Biomethane production using an integrated anaerobic digestion, gasification and CO2 biomethanation process in a real waste water treatment plant: A techno-economic assessment. Energy Conversion and Management, 209, Article 112663. https://doi.org/10.1016/j.enconman.2020.112663

The biomethanation of CO2 from anaerobic digestion within the power to gas concept has recently emerged as a promising technology to upgrade biogas, to decarbonise the domestic and industrial heat sector, provide long term energy storage and deliver... Read More about Biomethane production using an integrated anaerobic digestion, gasification and CO2 biomethanation process in a real waste water treatment plant: A techno-economic assessment.

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.

Towards “green” viscoelastically prestressed composites: Cellulose fibre reinforcement (2018)
Journal Article
Qin, Y., & Fancey, K. S. (2018). Towards “green” viscoelastically prestressed composites: Cellulose fibre reinforcement. Composites. Part B, Engineering, 154, 439-448. https://doi.org/10.1016/j.compositesb.2018.08.096

With growing concerns over environmental issues, fibre reinforced composites based on renewable, biodegradable low-cost cellulosic/cellulose fibres increasingly attract interest. This paper reports on the first study to produce viscoelastically prest... Read More about Towards “green” viscoelastically prestressed composites: Cellulose fibre reinforcement.

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.

Experimental investigation of a super performance dew point air cooler (2017)
Journal Article
Xu, P., Ma, X., Zhao, X., & Fancey, K. (2017). Experimental investigation of a super performance dew point air cooler. Applied energy, 203, 761-777. https://doi.org/10.1016/j.apenergy.2017.06.095

This paper presents an experimental investigation of a super performance dew point air cooler which, by employing a super performance wet material layer, innovative heat and mass exchanger and intermittent water supply scheme, has achieved a signific... Read More about Experimental investigation of a super performance dew point air cooler.

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.

Assessment of micro-scale anaerobic digestion for management of urban organic waste: A case study in London, UK (2017)
Journal Article
Walker, M., Theaker, H., Yaman, R., Poggio, D., Nimmo, W., Bywater, A., …Pourkashanian, M. (2017). Assessment of micro-scale anaerobic digestion for management of urban organic waste: A case study in London, UK. Waste Management, 61, 258-268. https://doi.org/10.1016/j.wasman.2017.01.036

This paper describes the analysis of an AD plant that is novel in that it is located in an urban environment, built on a micro-scale, fed on food and catering waste, and operates as a purposeful system. The plant was built in 2013 and continues to op... Read More about Assessment of micro-scale anaerobic digestion for management of urban organic waste: A case study in London, UK.

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.

Experimental investigation on performance of fabrics for indirect evaporative cooling applications (2016)
Journal Article
Xu, P., Ma, X., Zhao, X., & Fancey, K. S. (2016). Experimental investigation on performance of fabrics for indirect evaporative cooling applications. Building and Environment, 110, 104-114. https://doi.org/10.1016/j.buildenv.2016.10.003

© 2016 Indirect evaporative cooling, by using water evaporation to absorb heat to lower the air temperature without adding moisture, is an extremely low energy and environmentally friendly cooling principle. The properties of the wet channel surface... Read More about Experimental investigation on performance of fabrics for indirect evaporative cooling applications.

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.

Numerical investigation of the energy performance of a guideless irregular heat and mass exchanger with corrugated heat transfer surface for dew point cooling (2016)
Journal Article
Diallo, T. M. O., Fancey, K., Ma, X., Xu, P., Zhao, X., Chen, H., & Li, D. (2016). Numerical investigation of the energy performance of a guideless irregular heat and mass exchanger with corrugated heat transfer surface for dew point cooling. Energy, 109, 803-817. https://doi.org/10.1016/j.energy.2016.05.062

© 2016 The Author(s) The paper presents an investigation into the energy performance of a novel irregular heat and mass exchanger for dew point cooling which, compared to the existing flat-plate heat exchangers, removed the use of the channel support... Read More about Numerical investigation of the energy performance of a guideless irregular heat and mass exchanger with corrugated heat transfer surface for dew point cooling.

Modelling the anaerobic digestion of solid organic waste – Substrate characterisation method for ADM1 using a combined biochemical and kinetic parameter estimation approach (2016)
Journal Article
Poggio, D., Walker, M., Nimmo, W., Ma, L., & Pourkashanian, M. (2016). Modelling the anaerobic digestion of solid organic waste – Substrate characterisation method for ADM1 using a combined biochemical and kinetic parameter estimation approach. Waste Management, 53, 40-54. https://doi.org/10.1016/j.wasman.2016.04.024

This work proposes a novel and rigorous substrate characterisation methodology to be used with ADM1 to simulate the anaerobic digestion of solid organic waste. The proposed method uses data from both direct substrate analysis and the methane producti... Read More about Modelling the anaerobic digestion of solid organic waste – Substrate characterisation method for ADM1 using a combined biochemical and kinetic parameter estimation approach.

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.

Assessment and parameter identification of simplified models to describe the kinetics of semi-continuous biomethane production from anaerobic digestion of green and food waste (2016)
Journal Article
Owhondah, R. O., Walker, M., Ma, L., Nimmo, B., Ingham, D. B., Poggio, D., & Pourkashanian, M. (2016). Assessment and parameter identification of simplified models to describe the kinetics of semi-continuous biomethane production from anaerobic digestion of green and food waste. Bioprocess and biosystems engineering, 39(6), 977-992. https://doi.org/10.1007/s00449-016-1577-x

Biochemical reactions occurring during anaerobic digestion have been modelled using reaction kinetic equations such as first-order, Contois and Monod which are then combined to form mechanistic models. This work considers models which include between... Read More about Assessment and parameter identification of simplified models to describe the kinetics of semi-continuous biomethane production from anaerobic digestion of green and food waste.

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.