TASKMASTER is an experimental microcontroller node of a real-time control
oriented network which was proposed by James H. Herzog and Tinggui Zhang to
demonstrate the feasibility of a task oriented control structure in performing distributed
control actions. This study is a continuation of research involving the TASKMASTER
network.
A high...
Accurate Position Control is an important technique in
robotic engineering. The working environment of robotic
systems presents special requirements for position control.
The scope of this study is to explore the control algorithms
of a digital, hierarchical position control system. Detailed
analysis and simulation show that the system can be...
A Hybrid Meshnet LAN, a new local area network architecture, has been proposed by Dr. Cheoul-Shin Kang and Dr. James Herzog. It provides for distributed control hybrid architecture which is good for effective load sharing under various local area network environments. Hybrid Meshnet has a dual channel structure, a token...
Interest in personal computer networks has grown
rapidly in recent years. As the personal computer
becomes more and more popular, implementing computer
networks on those small computers has become an
interesting topic. Such networks are usually inexpensive
and can be easily installed and maintained.
In this thesis work, CLASSLAN, such...
The suitability of discrete least-squares optimal (Wiener) filters
for deconvolution of tone-burst waveforms is studied. It is shown
that: (1) such waveforms are not well suited to these filters without
preprocessing, (2) the use of exponential weighting results in a significant
improvement in filter performance and (3) that "phase-unwrapping"
in...
This thesis discusses a special type of a versatile, distributed control system, the Taskmaster II. It includes a detailed specification of a readily realizable Taskmaster system utilizing a layered communication among units, oriented on the ISO OSI seven layer model. The specification was developed from the analysis of previous research...
Amateur Packet Radio Networking presently uses the NET/ROM
protocol to establish the network. NET/ROM is considered to be
insufficient to support the expected growth of the network. This
research work proposes to use the TCP/IP protocol suite instead to
build the network. A comparison between features of both protocols
supports...
As hardware becomes cheaper and cheaper, there is an
increasing interest in the implementation of distributed control
networks with microcontrollers. Such networks are usually
inexpensive and of high performance.
In this thesis work, a low-cost display control unit for COLAN, a
control-oriented network, is designed. The system is based on...
Local computer networks are being installed in diverse application areas. Many of the networks employ a distributed control scheme, which has advantages in performance and reliability over a centralized one. However, distribution of control increases the difficulty in locating faulty hardware elements. Consequently, advantages may not be fully realized unless...
Two new medium access protocols for ring type local area networks,
CTR (Concurrent Token Ring) protocol and DRUID (Destination Removal
withoUt Intermediate node Delay) ring protocol, are proposed, designed and
analyzed. A destination partial removal technique is designed and used in
these two protocols to support concurrent message transmission and...