Sound PrinciplesSound Principles

properly applied really do bring project success

Presentation by Alec Fearon CEng FIEE Presentation by Alec Fearon CEng FIEE toto

The Second International The Second International Performance Management Performance Management

SymposiumSymposium 7 – 10 October 2003 at RUSI London7 – 10 October 2003 at RUSI London

The CollaboratorsThe CollaboratorsCore project teamled by Dr Nick Gaunt

Health Record expertsled by Dr Dipak Kalra

Domain specialistsled by Dr Stan Shepherd

Enabling technologies

gatekeepergatekeeper into lifelong record

ProtectProtect the data in its care

ControlControl role-based access

to single, unified recordsingle, unified record

though content content may bemay be federatedfederated

guardianguardian of care pathway

Custody of rulesrules

Co-ordinateCo-ordinate workflowworkflow of organisations

Generate alertsalerts in response to health events

Evaluate quality of individual carequality of individual care

Report against NSF standardsNSF standards

Concept of OperationConcept of Operation

primary purposeprimary purpose

prototypingprototyping

involving involving local local stakeholdersstakeholders

scenario-driven scenario-driven role play role play

user requirements user requirements

for an for an

Electronic Health RecordElectronic Health Record

proof of conceptproof of concept

How to synthesise an EHR How to synthesise an EHR

Patient consentPatient consent

Role-based accessRole-based access

Patient interactionPatient interaction

Workflow co-ordinationWorkflow co-ordination

Stevens, Brook, Jackson, ArnoldSystems Engineering: coping with complexity

The CollaboratorsThe CollaboratorsCore project teamled by Dr Nick Gaunt

Enabling technologies

Health Record expertsled by Dr Dipak Kalra

System Integrators

Financial ControlFinancial ControlTo this end, I have imposed a To this end, I have imposed a moratorium on all expenditure that moratorium on all expenditure that does not have my express does not have my express authorisation. authorisation. This authorisation will normally be This authorisation will normally be given against costed Statements of given against costed Statements of Work Work and will also require compliance with and will also require compliance with the procurement policy described in the procurement policy described in the Project Management Plan v2.1.the Project Management Plan v2.1.

stakeholder communication

viaproject web siteproject web site

CommunicationCommunication

London

Plymouth

Bangalore

emailemailTelephone conferencingTelephone conferencingWeb conferencingWeb conferencing

System connectivity over System connectivity over the Internetthe Internet

Issue ManagementIssue Management

AchievementAchievementS Devon built a demonstrator populated with real though pseudonymised patient data which proves the design concepts.

They are the only ERDIP site to have applied informatics theory best practice in what appears to be an operable systems design.

They have created a series of care pathway scenarios …

Source: ERDIP National Evaluation by PA Consulting Group

1 of 21 of 2

AchievementAchievement

• capable of being used operationally

• that can be tailored to operate either under the toughest consent management rules, or under more easily operable but less granular levels of control over consent.

In respect of patient consent, they have …. designed and built a system:

Given the complexity of the issue, this is a remarkable achievement.

Source: ERDIP National Evaluation by PA Consulting Group2 of 22 of 2

Concept Assessment Demonstration Manufacture In ServiceAccept Disposal

Userrequirements

definition

Componentdesign, build & test

Installation &validation

Systemsrequirements

definition

Architecturaldesign Integration &

verification

Relativeeffort

Scalability & TailoringScalability & Tailoring

Use Case Use Case TemplateTemplate

Use Case Use Case DiagramDiagram

ArchitectingArchitectingMust start with Operational ConceptMust start with Operational Concept

abstractabstractthenthenspecificspecific

based on a based on a simple idea of simple idea of how the how the overriding goal overriding goal is to be metis to be met

drives the Functional and Physical Architecturesdrives the Functional and Physical Architectures

Dr. Alexander H. Levis, Chief Scientist of the US Air Force

[1] Eberhardt Rechtin Systems Architecting: Creating and Building Complex Systems[2] IEEE STD 610.12[3] Dr. Alexander H. Levis, Chief Scientist of the US Air Force

unprecedented, complex unprecedented, complex systemssystems

conceptualizing

designing building

The process of creatingThe process of creating

[1]

A system's architecture isA system's architecture is

the structure of its components

their relationships

principles and guidelines governing their design and evolution over time

[2]

Essential part of systems engineeringEssential part of systems engineering• when user needs are ill-structured• for complex, unprecedented systems

An art art as well as a ScienceScience[3] [3]

The system architect is not the systems The system architect is not the systems engineerengineer

The architect's primary responsibility is to articulate the user's vision through the design.

The system engineer's role is to design a system that conform to the architecture and can be built within cost and time constraints.

This provides important checks and This provides important checks and balancesbalances

There is healthy dynamic tension between the There is healthy dynamic tension between the rolesroles

Dr. Alexander H. Levis, Chief Scientist of the US Air Force

Sound PrinciplesSound Principles

properly applied really do bring project success