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Thursday, September 17, 2009

ppt on THE INTERPLANETARY INTERNET .pdf download

ABSTRACT
A strategy is being developed whereby
the current set of internationally
standardized space data
communications protocols can be
incrementally evolved so that a first
version of an operational
“Interplanetary Internet” is feasible by
the end of the decade. This paper
describes its architectural concepts,
discusses the current set of standard
space data communications
capabilities that exist to support Mars
exploration and reviews proposed new
developments. It is also speculated that
these current capabilities can grow to
support future scenarios where human
intelligence is widely distributed
across the solar system and day-to-day
communications dialog between
planets is routine.

ppt on INTELLIGENT SKYSCRAPER MONITORING SYSTEM . pdf download

1. ABSTRACT
The collapse of the World Trade Center (WTC) has
reminded us of the importance of structural integrity
Monitoring for improving disaster preparedness and
response. A real-time system based on GPS and optical
fiber sensors for monitoring structural integrity of the
skyscraper has been proposed. In the designed system,
there are 4 RTK GPS receivers atop the skyscraper on the
vertices and 4 groups of several strings of optical fiber
Bragg grating (FBG) sensors deployed along the 4 edges
of the perimeters. The GPS sensors are used to measure
the 3D positions of the vertices so that strain, tilt and
rotation of the skyscraper can be determined. The
vibrations of the skyscraper can be measured directly if an
external reference GPS receiver is used together with the
rover receivers atop the skyscraper at high sampling rate.
The optical fiber Bragg grating (FBG) sensors are used to
measure both strain and temperature. The conceptual
design of the combined system of GPS and optical fiber
sensors was based on the dimensions of the WTC. The
system proposed here may also prove to be useful for the
monitoring of other structures.

ppt on INTEGRATED FUZZY LOGIC CONTROLLER FOR SPEED CONTROL OF BRUSHLESS DCMOTOR DRIVES .pdf download

ABSTRACT:
Brush Less dc (BLDC)
are penetrating in the market of home
appliances, industry, and
defense/military, automotive
applications in recent years because
of their high efficiency, silent
operation, compact form, reliability,
and low maintenance. BLDC are also
being popularly used in radar systems
for antenna positioning applications.
For accurate reception and
transmission of signals, the position
of the radar antenna must be precise.
This paper deals with the design and
development of integrated fuzzy logic
controller (IFLC) for the speed
control of BLDC servomotor drive
using virtual instrumentation
(Lab VIEW 6i). The proposed
controller system consists of twoinput
one-output FLC i.e., error and
change in error as inputs to the
system with single-output. The IFLC
is constructed by using FLC and PID
controllers for BLDC motor speed
control application.

ppt on image processing .pdf download

ABSTRACT
In this paper, the basics of capturing an image, image processing to
modify and enhance the image is discussed. There are many applications for Image
Processing like surveillance, navigation, and robotics. Robotics is a very interesting
field and promises future development so it is chosen as an example to explain the
various aspects involved in Image Processing.
The various techniques of Image Processing are explained briefly and
the advantages and disadvantages are listed. There are countless different routines that
can be used for variety of purposes. Most of these routines are created for specific
operations and applications. However, certain fundamental techniques such as
convolution masks can be applied to many classes of routines. We have concentrated
on these techniques, which enable us to adapt, develop, and use other routines and
techniques for other applications. The advances in technology have created tremendous
opportunities for visual system and image processing. There is no doubt that the trend
will continue into the future.


ppt on HARDWARE PRESENTATION ON ELECTRONICS DICE .pdf download

Abstract:
The dice has six plane surfaces bearing one to six dots that determine the
steps of forward movement. In this electronic version the players need to press a switch
instead of throwing the six-surface dice. When the switch is pressed momentarily, the
seven-segmented counter display’s a number immediately in one to six.

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