19952020
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Research Output 1995 2019

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Paper
2014

Mixing methods – lessons from the field

Howick, S., Ackermann, F., Houghton, T., Quigley, J. & Walls, L., 2014, (Unpublished).

Research output: Contribution to conferencePaper

Mixed methods
Modeling
Limited attention
Operations research
Evaluation
2013

A model for early life availability growth of a system of systems

Walls, L., Zitrou, A., Wilson, K. & Bedford, T., 2013.

Research output: Contribution to conferencePaper

Reliability Growth
Availability
Decision Support
Warranty
Modeling

Analysis of wind and wave data to assess maintenance access for offshore wind farms

Dowell, J., Walls, L., Zitrou, A. & Infield, D., Sep 2013.

Research output: Contribution to conferencePaper

Offshore wind farms

Availability growth and state-of-knowledge uncertainty simulation for offshore wind farms

Zitrou, A., Bedford, T., Walls, L., Wilson, K. & Bell, K., Sep 2013.

Research output: Contribution to conferencePaper

Open Access
File
Offshore wind farms
Availability
Risk management
Electricity
Carbon

Bayes linear graphical models in the design of optimal test strategies

Wilson, K., Quigley, J., Bedford, T. & Walls, L., Jul 2013, (Unpublished).

Research output: Contribution to conferencePaper

Graphical models
Resources
Optimal test
Inference
Efficacy
Complex projects
Risk management
Distribution network

Managing complex projects for industry: developing a new approach to risk management

Howick, S., Ackermann, F., Walls, L., Quigley, J. & Houghton, T., Jul 2013, (Unpublished).

Research output: Contribution to conferencePaper

Risk management
Industry
Decision trees
Complex projects

Modelling systemic risks to inform a repowering decision

Walls, L., Quigley, J., Houghton, T., Howick, S. & Ackermann, F., 30 Sep 2013, (Unpublished) p. 2219–2226. 8 p.

Research output: Contribution to conferencePaper

File
Systemic risk
Modeling
Underdevelopment
Heritage
Empirical Bayes
2012

Bayes linear adjustments to improve empirical bayes inference for correlated event rates

Quigley, J., Wilson, K., Bedford, T. & Walls, L., Jun 2012. 10 p.

Research output: Contribution to conferencePaper

Inference
Empirical Bayes
Homogeneity
Method of moments
Bayesian analysis

Managing projects in an uncertain world: engaging stakeholders, and building a systemic view of risk

Ackermann, F., Howick, S., Houghton, T., Quigley, J. & Walls, L., 4 Sep 2012, (Unpublished).

Research output: Contribution to conferencePaper

Stakeholders
Managing projects
Managers
Consultants
Cost overrun

Managing projects in an uncertain world: engaging stakeholders, and building a systemic view of risk

Ackermann, F., Howick, S., Quigley, J., Walls, L. & Houghton, T., 5 Dec 2012, (Unpublished).

Research output: Contribution to conferencePaper

Bayesian networks
2011

Exploring the influence of temperature on the frequency of burst pipes in the Scottish water network

Blair, G., Murray, R., Revie, M. & Walls, L., 2011.

Research output: Contribution to conferencePaper

Temperature
Water
Scotland
Drinking water
Weather

Modelling and managing systemic risks in supply chains

Leerojanaprapa, K., Van Der Meer, R. & Walls, L., 4 Jul 2011.

Research output: Contribution to conferencePaper

Systemic risk
Modeling
Supply chain
Supply risk management
Fault

Modelling GB rail timetable risk: analysis of SPADs due to human error on the Scotland network between 2004-10

Montanana, M., Griffin, D., Revie, M. & Walls, L., 2011.

Research output: Contribution to conferencePaper

Rail
Modeling
Risk analysis
Human error
Train
2010
3 Citations (Scopus)
Offshore wind turbines
2009

Historical exploration - Learning risk lessons from the past to inform the future

Bedford, T., Quigley, J., Revie, M. & Walls, L., Apr 2009, (Unpublished). 79 p.

Research output: Contribution to conferencePaper

File
learning
diagram
colonization
stakeholder
modeling

The identifiability problem for generalised competing risk models with non-symmetric virtual ages

Burnham, M. R., Bedford, T. J. & Walls, L. A., Jun 2009, (Unpublished).

Research output: Contribution to conferencePaper

2008
3 Citations (Scopus)

Applying Bayes linear methods to support reliability procurement decisions

Bedford, T., Denning, R., Revie, M. & Walls, L., Jan 2008. 13 p.

Research output: Contribution to conferencePaper

File
Contractors
Decision making
Specifications
Brushes
Risk assessment
3 Citations (Scopus)

Applying Bayes linear methods to support reliability procurement decisions

Bedford, T., Denning, R., Revie, M., Walls, L. & IEEE, 2008, p. 341-346. 5 p.

Research output: Contribution to conferencePaper

Contractors
Sensitivity analysis
Specifications

Modelling incident escalation in explosives storage

Hardman, G., Bedford, T. J., Quigley, J. L. & Walls, L. A., 25 Sep 2008, (Unpublished).

Research output: Contribution to conferencePaper

Models for data combination to support safety committee decisions

Hardman, G., Bedford, T. J., Quigley, J. L. & Walls, L. A., Sep 2008.

Research output: Contribution to conferencePaper

Quantitative expert judgment and model assumption violations

Zitrou, A., Bedford, T. J. & Walls, L. A., Sep 2008.

Research output: Contribution to conferencePaper

Safety, reliability and risk analysis: theory, methods and applications

Hardman, G., Bedford, T. J., Quigley, J. L. & Walls, L. A., Sep 2008, (Unpublished).

Research output: Contribution to conferencePaper

Risk analysis
Reliability analysis
2007

A Bayesian approach for structural modelling of common cause failures

Zitrou, A., Bedford, T. J. & Walls, L. A., 2007.

Research output: Contribution to conferencePaper

Core meltdown
Redundancy

An introduction to Bayes linear methods

Revie, M., Bedford, T. & Walls, L., 2007.

Research output: Contribution to conferencePaper

Bayes
Specification
Bayes' Formula
Reliability Assessment
Methodology

Eliciting covariances within a Bayes linear framework

Revie, M., Bedford, T. J. & Walls, L. A., 2007.

Research output: Contribution to conferencePaper

Improving product reliability through data literate modelling - methodology and application

James, I., Olatoke, J., Quigley, J. L. & Walls, L. A., 2007.

Research output: Contribution to conferencePaper

Data structures

Multivariate reliability modelling with empirical Bayes inference

Quigley, J. L. & Walls, L. A., 17 Jul 2007, (Unpublished) p. 1-12. 12 p.

Research output: Contribution to conferencePaper

File
Modeling
Inference
Empirical Bayes
Statistical inference
2006

A conceptual framework for understanding the shared services model

Bititci, U., Busi, M. & Walls, L. A., 2006.

Research output: Contribution to conferencePaper

Applications of Bayes linear to reliability

Bedford, T. J., Revie, M. & Walls, L. A., 2006.

Research output: Contribution to conferencePaper

Enhancement within UK aerospace industry through modelling

Walls, L. A. & Quigley, J. L., 2006.

Research output: Contribution to conferencePaper

Aerospace industry
3 Citations (Scopus)

Fault tree inference for one-shot devices using Bayes and empirical Bayes methods

Bedford, T. J., Quigley, J. L. & Walls, L. A., May 2006, p. 859-865. 6 p.

Research output: Contribution to conferencePaper

modeling
engineering
method

Measuring the value of customer management: lessons from the UK call and contact industry

Bititci, U., Busi, M. & Walls, L. A., 2006.

Research output: Contribution to conferencePaper

Fences
Aerospace industry
Technical presentations
2005

Confidence intervals for the mean cumulative function

Finlayson, G., Quigley, J. L. & Walls, L. A., 2005.

Research output: Contribution to conferencePaper

Confidence interval

Elicitation of structured engineering judgement to inform a focussed FMEA

Balderstone, M., Quigley, J. L. & Walls, L. A., 2005, p. 1-11. 11 p.

Research output: Contribution to conferencePaper

Open Access
File
Failure modes and effects analysis
Product design
Enhancement
Customization
Design process
1 Citation (Scopus)

Estimation of high-consequence low-frequency events through empirical Bayes procedures

Bedford, T. J., Quigley, J. L., Walls, L. A. & Kolowrocki, K. (ed.), 7 Jun 2005. 2204 p.

Research output: Contribution to conferencePaper

Risk analysis
Aviation
Rails
Managers
Demonstrations
File
Maintainability
2004

Bayesian modelling to understand reliability uncertainty during product development

Derejian, A., Hallam, A., Quigley, J. L., Tanner, G. & Walls, L. A., 2004.

Research output: Contribution to conferencePaper

Product development
Technical presentations
Uncertainty

Developing softer factor inputs to common cause failure models

Zitrou, A., Bedford, T. J. & Walls, L. A., 2004.

Research output: Contribution to conferencePaper

Evaluating the R and M case - the MoD perspective

Revie, M., Bedford, T. J. & Walls, L. A., 2004.

Research output: Contribution to conferencePaper

2003

Identifying and assessing the chance of service failures

Belton, V., Cook, H. L., Quigley, J. L. & Walls, L. A., 2003.

Research output: Contribution to conferencePaper

services
2002

Point process model for reliability analysis of evolutionary designs

Quigley, J. L. & Walls, L. A., 2002.

Research output: Contribution to conferencePaper

File
Process model
Point process
Evolutionary
2001

How much risk can you afford?

Quigley, J. L., Walls, L. A., Hodge, R. J. J. & ICIIL, 2001, p. 396-404. 8 p.

Research output: Contribution to conferencePaper

Risk management

Understanding reliability through analysis of event histories - a case study from the aerospace industry

Jones, J., Marshall, J. & Walls, L. A., 2001, (Unpublished).

Research output: Contribution to conferencePaper

industry
analysis

Using the REMM methodology

Jones, J., Marshall, J. & Walls, L. A., 2001.

Research output: Contribution to conferencePaper

methodology
2000

Eliciting prior distributions for potential system faults from correlated experts

Quigley, J. L., Walls, L. A. & Hodge, R. J. J., 2000, p. 325-329. 4 p.

Research output: Contribution to conferencePaper

distribution