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.

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.

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)
Journal Article
Shi, F., & Patton, R. J. (2015). Fault estimation and active fault tolerant control for linear parameter varying descriptor systems. International journal of robust and nonlinear control, 25(5), 689-706. https://doi.org/10.1002/rnc.3266

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.

Modelling an off-grid integrated renewable energy system for rural electrification in India using photovoltaics and anaerobic digestion (2014)
Journal Article
Castellanos, J., Walker, M., Poggio, D., Pourkashanian, M., & Nimmo, W. (2015). Modelling an off-grid integrated renewable energy system for rural electrification in India using photovoltaics and anaerobic digestion. Renewable energy, 74, 390-398. https://doi.org/10.1016/j.renene.2014.08.055

This work describes the design optimisation and techno-economic analysis of an off-grid Integrated Renewable Energy System (IRES) designed to meet the electrical demand of a rural village location in West Bengal – India with an overall electrical req... Read More about Modelling an off-grid integrated renewable energy system for rural electrification in India using photovoltaics and anaerobic digestion.

Modeling the Water Scrubbing Process and Energy Requirements for CO2 Capture to Upgrade Biogas to Biomethane (2014)
Journal Article
Nock, W. J., Walker, M., Kapoor, R., & Heaven, S. (2014). Modeling the Water Scrubbing Process and Energy Requirements for CO2 Capture to Upgrade Biogas to Biomethane. Industrial & engineering chemistry research, 53(32), 12783-12792. https://doi.org/10.1021/ie501280p

Water scrubbing is the most widely used technology for removing CO2 from biogas and landfill gas. This work developed a rate-based mass transfer model of the CO2–water system for upgrading biogas in a packed bed absorption column. The simulated resul... Read More about Modeling the Water Scrubbing Process and Energy Requirements for CO2 Capture to Upgrade Biogas to Biomethane.

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.

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.

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.

Ammonia removal in anaerobic digestion by biogas stripping: An evaluation of process alternatives using a first order rate model based on experimental findings (2011)
Journal Article
Walker, M., Iyer, K., Heaven, S., & Banks, C. (2011). Ammonia removal in anaerobic digestion by biogas stripping: An evaluation of process alternatives using a first order rate model based on experimental findings. Chemical Engineering Journal, 178, 138-145. https://doi.org/10.1016/j.cej.2011.10.027

The feasibility of biogas stripping to remove ammonia in the anaerobic digestion of source segregated food waste was investigated. It was found in batch experiments that ammonia could be removed from digestate and that the removal followed 1st order... Read More about Ammonia removal in anaerobic digestion by biogas stripping: An evaluation of process alternatives using a first order rate model based on experimental findings.

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.

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.