VR-DIS

Een Interactive Integrale Ontwerpomgeving

Interactive Design System

Design support for the total life cycle of a building or the built environment

Consult design knowledge

Check against standards/rules

Simulate product

behavior

Collaborative Design

distributed design: asynchronic communication

multi disciplinairy design: application specific views

consistency of information

management of design

data and design process

Interactive Measurement of User Reactions

registration of user behaviour in building/urban environment

evaluate behaviour and information handling

technical infrastructure

development

Knowledge Based Systems

How to capture and employ design and engineering knowledge ?

KBS Objectives

• Involve experts Involve experts duringduring the design of computer the design of computer support systemssupport systems

• Evaluate Ideas and SolutionsEvaluate Ideas and Solutions• Identify strengths and weaknesses in the Identify strengths and weaknesses in the

prototype systems (and why)prototype systems (and why)

• Validate Expertise in SystemsValidate Expertise in Systems• Make corrections and suggestions for Make corrections and suggestions for

improvementimprovement

Evaluation on 5 Aspects

Visueelcomfort

Energieefficiëntie

FlexibiliteitOperationele

kosten

Initiëlekosten

Knowledge Domain

basic (individual)

functional (group)

local (community)

ecological (global)

economic (owners)

strategic (future users)

supply

scale & complexity

demand

Architectural System Level

Human System Level

Buildin

g Sys

tem

Lev

el

built e

nviro

nmen

t

buildin

g

floor a

rea

work

place

work

stat

ion

Site (F

orm

/ Orien

tation

)S

tructu

reS

kin (E

nvelo

pe)

Services

Sp

ace plan

Stu

ff

Workplace QualityWorkplace Quality

• Problem: Poor quality of physical office work environments.

• Potential Cause: lack of technical performance knowledge, particularly in early stages of design.

Basic Value

Acoustic Comfort

AirQuality

Spatial Comfort

Visual Visual ComfortComfort

Building Integrity

Thermal Comfort

Quality Design is not linear

Design Planning

Design Brief

Functional Brief

Design

Documentation

Bidding

Construction

Occupancy

Traditional Design Stages Model

Quality Design Needs Feedback

Design Planning

Design

Documentation

Bidding

Construction

Post-Occupancy Evaluation

Life Cycle Cost Analysis

Value Analysis

Buildability Analysis

Functional Brief

(Nelson, 1990)

Feedback Mechanisms

Design Brief

Support for Conceptual Support for Conceptual DesignDesign

determine requirements

Strategic Briefing

Cases

select system concepts

evaluate & optimise concepts

Rules

Conceptual Design

Preliminary Design

Refinement & Modification

Performance Evaluation

WEDA

ILSA

Workplace Environment Design Advisor

S.M. Mallory-Hill

Case-Based Design Aid [CBDA]Case-Based Design Aid [CBDA]

CBR

CBR Agent

ProblemRepresentation

LearnedCase

RETRIEVERETRIEVE

REVISEREVISE

RETAINRETAIN

Tested/Repaired Case

New DesignCase

Solved Case

Previous Cases

Previous Cases

New DesignCase

Retrieved Case

REUSEREUSE

The Four R’s ModelThe Four R’s Model

Components of a Design CaseComponents of a Design Case

1.

0

500

1000

1500

2000

8:30

9:00

9:30

10:0

0

10:3

0

11:0

0

11:3

0

12:0

0

12:3

0

13:0

0

13:3

0

14:0

0

14:3

0

15:0

0

15:3

0

16:0

0

16:3

0

17:0

0

Time

Illu

min

ance

[lu

x]

B G F E A

Lighting

Room A

Room B

Satisfied

Indiff erent

Unsatisfied design solution

predicted outcome

physical outcome

observed outcome

perceived outcome

Problem/SituationSituationDescription

(brief)

3.

2.

outcomes

Retrieval ConceptRetrieval Concept

300

440

445

445

1330

1410

2355

1000

720

1000

1130

1635

1800

3600

4930

North

G

F

E

A

B

C

Existing CaseExisting Case

problem(clientrequirements)

solution

GenericGenericTechnicalTechnicalTargetsTargets

New clientrequirements

0

50

100

crit

crit

05

101520

2530

crit 1 crit 2

0

10

20

30

40

50

60

70

80

90

crit 1 crit 2 crit 3 crit 4

WEDA’s RetrievalWEDA’s RetrievalClient’sClient’s InformationInformation

Consultant’sConsultant’sTechnical Technical TargetTarget

Review & Re-Use ConceptReview & Re-Use Concept

Connect to Extensive POE Case Base

Explore Relevant Cases

Retain Desired Solutions

WEDA’s Browser

Plan

Directory

Panorama

Information

WEDA

demo

Integrated Lighting System Assistant

E. de Groot

RequirementsStandaard kantoorruimte:

• Eindhoven• West gevel • 1 persoon • 3.60x5.40x2.8 m3• PC/ administratie• 400-800 lux• licht kleurgebruik• maximaal daglicht

gebruik

Wensen Pr.v.Eisen

W

Design

Verlichtingingsmodel:• 9 Daglicht componenten

• 6 Kunstlicht componenten

• 3 Regeling componenten

Evaluation• Visueel comfort• Energie efficiëntie• Initiële kosten• Operationele kosten• Flexibiliteit

Evaluation Method

referentie oplossing

component scoort t.o.v. referentie (veel) beter, gelijk, of (veel) slechter

totaal = componenten

0 0 0 0 0

0- -

ILSA

demo

Conclusions

• Kennis is niet in één structuur te vatten: hybride KBS systemen

• Kennis = Business• Commerciele toepassing: Produkten

database + Toegepaste kennis (zie DS refurbishment)

• Exploitatie: Extranet (Remote Consulting)

More Information

• www.ds.arch.tue.nl

• Calibre seminar: every first Wednesday each month