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This book presents a detailed study of the Lanczos potential in
general relativity by using tetrad formalisms. It demonstrates that
these formalisms offer some simplifications over the tensorial
methods, and investigates a general approach to finding the Lanczos
potential for algebraic space-time by translating all the tensorial
relations concerning the Lanczos potential into the language of
tetrad formalisms and using the Newman-Penrose and
Geroch-Held-Penrose formalisms. In addition, the book obtains the
Lanczos potential for perfect fluid space-time, and applies the
results to cosmological models of the universe. In closing, it
highlights other methods, apart from tetrad formalisms, for finding
the Lanczos potential, as well as further applications of the
Newman-Penrose formalism. Given its scope, the book will be of
interest to pure mathematicians, theoretical physicists and
cosmologists, and will provide common ground for communication
among these scientific communities.
This book presents a detailed study of the Lanczos potential in
general relativity by using tetrad formalisms. It demonstrates that
these formalisms offer some simplifications over the tensorial
methods, and investigates a general approach to finding the Lanczos
potential for algebraic space-time by translating all the tensorial
relations concerning the Lanczos potential into the language of
tetrad formalisms and using the Newman-Penrose and
Geroch-Held-Penrose formalisms. In addition, the book obtains the
Lanczos potential for perfect fluid space-time, and applies the
results to cosmological models of the universe. In closing, it
highlights other methods, apart from tetrad formalisms, for finding
the Lanczos potential, as well as further applications of the
Newman-Penrose formalism. Given its scope, the book will be of
interest to pure mathematicians, theoretical physicists and
cosmologists, and will provide common ground for communication
among these scientific communities.
AUTOPILOT SYSTEM FOR AN UNMANNED AERIAL VEHICLE (UAV) contains
Autonomous Navigation and Control system for a fixed wing plane
(Autopilot system). The project includes the Adaptive Neuro Fuzzy
Inference Based Control system Development, and programming it into
single board computer installed in the model aircraft. The software
architecture was developed using C++ language in Linux operating
system. All sensors, necessary for the control are interfaced with
the system. It also includes Live data transmission with graphical
representation in MATLAB (defining all states of the aircraft
during flight); live video transmission for surveillance purpose
and Intelligent control system for Online System Identification was
developed & tested on a real flight.
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