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Decision Support
System for the Crystallization Unit of a Sugar Plant
--
P C Tewari, Dinesh Kumar, Sanjay Kajal and Rajiv Khanduja
The
paper discusses a decision support system for the crystallization
unit of a sugar plant. The sugar plant consists of various
units, viz., feeding, crushing, steam generation and crystallization,
etc. The crystallization unit has three main subsystems arranged
in a series. The decision support system has been developed
with the help of mathematical modeling, using simple probabilistic
approach. The decision matrices, which provide various availability
levels for different combinations of failure and repair rates
of each subsystem, are also developed.
©
2008 IUP . All Rights Reserved.
Area
Efficient FPGA Implementation of AES-128
--
Preeti Goyal, Tanvi Agrawal, Arti Noor and Sunita Prasad
The
National Institute of Standard and Technology (NIST) approved
Rijndael algorithm as a standard for Advanced Encryption Standard
(AES) in October 2000. AES is nowadays used extensively in
many network and multimedia applications to protect electronic
data for security issues. In this paper, two architectures
are proposed: one of which reduces the required hardware requirement,
while the second achieves high-speed performance. The first
architecture uses a feedback structure for key generation.
The second architecture uses a memory for key storage and
has a structure of RCON and key expansion unit that is different
from LUT structure. Using VirtexE, two different key expansion
units of both architectures have been designed and implemented
on xcv300e-7bg432 FPGA.
©2008
IUP . All Rights Reserved.
Design
and Development of Wideband High Gain Microstrip Patch Antenna
--
S L Mallikarjun, R B Konda, S N Mulgi, S K Satnoor and P V
Hunagund
This
paper presents a novel design of edge slot rectangular microstrip
antennas for wide impedance bandwidth. The effect of slot
in enhancing the impedance bandwidth is studied by placing
the slot at the edges of Rectangular Microstrip Antenna (RMSA).
The placement of four slots at all the edges of RMSA reduces
the overall size of antenna by 44.89% when compared to the
size of conventional RMSA. This compact microstrip antenna
gives an impedance bandwidth of 12.27% and gain of 6.12 dB
at X-band, which are 4 and 1.66 times respectively more than
the impedance bandwidth and gain of conventional RMSA without
changing broadside radiation characteristics.
©
2008 IUP . All Rights Reserved.
SystemC-Based
Design Approach for Modeling Reconfigurable Computing Systems
--
Rana Mukherji
Over
the past decade, steady advances in VLSI technology and design
tools have extensively expanded the application domains. This
is because of the increasing demands of silicon reuse, product
upgrade after shipment and bug-fixing ability. Due to its
potential to greatly accelerate a wide variety of applications,
Reconfigurable Computing Systems (RCS) have emerged as a promising
implementation platform to provide flexibility, high-performance
and low-power for future System-on-Chip (SoC) designs. To
specify the design and implementation of such complex systems,
incorporating the functionality implemented in both hardware
and software forms, we are compelled to move on from traditional
Hardware Description Languages (HDLs).
©
2008 IUP . All Rights Reserved.
Total
Productive Maintenance (TPM): An Operational Efficiency Tool
--
M S Prabhuswamy, K P Ravikumar and P Nagesh
The
globalization of economy has thrown a great challenge to the
Indian industries in respect of productivity, quality, cost,
delivery, etc. Total Productive Maintenance (TPM) is an excellent
and an innovative approach to maintenance system which optimizes
the equipment effectiveness, eliminates breakdowns and promotes
autonomous operator maintenance through day-to-day activities,
which involve the total workforce. TPM helps to maintain and
improve the integrity of production system through machines,
equipments, processes and employees that add value. The objectives
of TPM are to ensure zero accidents, zero defects and zero
failures. This paper presents the experience of TPM in a manufacturing
industry.
©
2008 IUP . All Rights Reserved.
On
Interaction in Dark Matter
--
G K Upadhyaya, Rakesh Sharma, S Sharma, M Thakrey and S Kaothekar
Gravitational
instabilities give rise to conglomeration of matter in the
form of various structures. Non-baryonic Hot Dark Matter (HDM)
particles are conjectured to have decoupled from rest of the
matter/radiation when their speed was relativistic. Cold Dark
Matter (CDM) particles are, however, conjectured to have small
velocity dispersion and are assumed to have decoupled from
matter/radiation when their speed was non-relativistic. CDM
simulations fit well with the evolution of large-scale structure
of universe and disagree with observations on small scale
distances. A general assumption is that dark matter in galaxies
and clusters is subject only to Newtonian gravity.
©
2008 IUP . All Rights Reserved.
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