Abstract:
Owing to the increasing amount of communication contents
in real world, how to cut down the transmission time through web applications
has become a vital issue. At the same time, the functionality and
reusability of website resources are still of concern. However, traditional
framework of Client / Server network is insufficient for achieving
the desired performances. Therefore, Distributed Network and Agent-based
Network are getting much more attention. To provide a service-oriented
platform for meeting different needs and bridging the communications
while offering various web services with distributed network architecture
will definitely be a significant objective in oncoming development
of web technology.
In terms of these trends, the thesis proposes an information platform
derived from the concept of Service-oriented Architecture (SOA). The
information platform follows a real-world condition for people to
access. For example, users in an organization can login to this site
and use the flow chart or procedures with web services provided. Besides
the web services, the thesis also applies the technique of Socket
to support the functionality on the platform and to lesson the loadings
of web servers for mending the time delays in data transmission. In
security issues, login, registry, and cookies mechanisms are entirely
encrypted. The administrator of this platform can easily view users'
status and login time by the constructed GMPP web service so as to
do web management. Additionally, this platform also offers users of
Event-Recorder to record all acts done on the web site, and the stored
data could be checked lately when needed.
In addition to those web services, the thesis constructs a web-based
factorial simulation system of photolithography area in semiconductor
fabrication as well. Through the application, one can get the dispatching
results and performance indexes including average cycle time and throughput.
There is also an auxiliary functionality as scheduler selector, which
seeks for the best schedulers by putting Neural Network, Support Vector
Machine (SVM), and Fuzzy Logic in use.
Finally, after the simulation procedure, the Principal Component Analysis
(PCA) based Statistical Process Control (SPC) method would be used
to find the most contributing factors and do the statistical diagnosis.
The managers of the factories would then be able to keep in pace with
the conditions within fabrication.
Key Words: SOA、Web Service、Socket、Scheduler Selector、Dispatching
System、PCA-based SPC.