WebInternet Supported Collaborative Design

1
Web/Internet Supported Collaborative Design
Manufacture
Professor Daizhong Su Advanced Design and
Manufacturing Engineering Centre Nottingham Trent
University
2
Two Asia-wide projects supported by the European
Commission

• Asia-Link project
• -- Human resource development in Mechanical
  and Manufacturing Engineering
• Collaboration platform within the virtual
  research institute
• Asia ITC project
• -- Web-enabled collaborative design
  manufacture

3
The EU Asia Link Project

• An international collaborative project supported
  by European Commission Asia-Link programme Human
  Resource Development in Mechanical
  Manufacturing.
• 222,715 Euros
• Project consortium
• The Nottingham Trent University, UK (Leader)
• Lappeenranta University of Technology, FINLAND
  (Partner)
• Chongqing University, CHINA (Partner)
• Duration 3 years from September 2003

4
The EU Asia ITC Project

• An international collaborative research project
  supported by European Commission Asia ITC
  programme Web-enabled Collaboration in
  Intelligent Design Manufacture.
• 381,500 Euros
• Project consortium
• The Nottingham Trent University, UK (Leader)
• Foundation Labein, SPAIN (Partner)
• Harbin Institute of technology, CHINA (Partner)
• Chongqing University, CHINA (Partner)
• Duration 3 years from December 2003

5
(No Transcript)
6
Major tasks of the research

• Development of a Web-enabled collaborative
  environment
• Remote-execution of large size ICT tools
  /programmes / packages
• Web-based collaborative computer aided design
• Web-based collaborative manufacture
• Distributed product design

7
Fundamental Architecture of WEE
8
An example of application server
9
Remote-execution of large size programmes /
packages

• Two approaches based on
• CGI
• COBAR
• An example
• Gear design optimisation

10
Gear Optimisation
11
Gear design optimisation

• Based on BS and ISO
• More than 60 design variables
• Optimisation
• Genetic algorithm
• 5 objective functions
• Currently 9 optimoisation parameters

12
Distributed gear design activities
Gear Design
Application Factors
Materials
Profile geometry
Lubrication
GUI
Stress analysis
Tool parameters
Anti-fatigue
Noise
Results
13
Program Structure (CGI)
CGI - Parse the data -
Calculations

• HTML
• User interface
• Input form

• JavaScript
• Validate data

14
Problems with Multi-user
Server
User 1
15
Problems with Multi-user
Server
User 1
User 2
16
Problems with Multi-user
Server
User 1
17
(No Transcript)
18
Remote execution based on Servlet
19
(No Transcript)
20
(No Transcript)
21
(No Transcript)
22
(No Transcript)
23
(No Transcript)
24
(No Transcript)
25
Online Collaborative CAD (1)
Online CAD 2/5
26
Catch data of entities modified, added or deleted
AutoCAD NetMeeting (Computer at Location A)
Processing the data
Send message to remote system by using function
of component
Internet
Receive data from remote system by using function
of component
AutoCAD NetMeeting (Computer at Location B)
Processing the data
Reduce entity graphics and display
Major function of the DLM
27
DLM AutoCAD
Online CAD 3/5

• ObjectARX
• Development tool of AutoCAD released by Auto Desk
  Co
• Written in C
• Directly define AutoCAD internal data structure,
  graphical programs and user commends within the
  AutoCAD open structure.

28
DLM NetMeeting
Online CAD 4/5

• NM3SDK.exe
• NetMeetings software development tool kid (SDK)
• Component Model Objects
• NetMeeting internal functions
• Each object access one interface
• Each interface support one object

29
(No Transcript)
30
Service-Oriented Collaborative CAD
31
Service-Oriented Collaborative CAD
32
Service-Oriented Collaborative CADA Case Study
33
Service-Oriented Collaborative CAD A Case Study
34
(No Transcript)
35
Web-based collaborative CAD(Multiple CAD
Packages)
36
Web-based Collaborative CAM CAD-CNC- PKM
37
Case Study Collaborative CAMHIT-LABEIN
38
Parallel Kinematic Machine
39
Web-base Collaborative CAM
The system structure of Web-based PKM
manufacturing simulating module
40
Web based collaborative CAM
3D CAD Model
Manufactured Model
41
Interoperation between different systems
42
Web Services for Supplier Selection
43
Concluding Remarks

• Web-based collaborative design manufacturing
• WEE
• Remote execution large size program/packages
• Web-based collaborative CAD/CAM
• Distributed product design
• Future work
• Integration Grid, Wireless computing
• Semantic CAD
• Cross platforms (for example, Windows Linux)

44
International Conference on Advanced Design
Manufacturing 8-10 January 2006, Harbin, China

• Organised by the Asia ITC and Asia-Link project
  consortium
• Sponsored by the European Commission Asia Wide
  Section

45

• Computer supported collaborative work in design
  will be one of the major topics of the Conference
  as well as other topics in Design and
  Manufacturing.
• Selected papers will be published in the Lecture
  Notes of Computer Science, and refereed journals.
  Proceedings will be arranged for inclusion in EI.
• Social Events
• Harbin International Ice and Snow Festival, one
  of the four largest winter festivals in the world
  
• the Ice and Snow Grand World, which is regarded
  as the Disney Land of ice and snow.
• Tour to Harbin and surrounding areas
• Harbin is modern and historical city, mixing
  with traditional Chinese and Western styles

46
(No Transcript)
47
(No Transcript)
48

• Thank You