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Swarm system, also known as multi-agent system, refers to a system
composed of multiple subsystems (agents) with certain
communication, calculation, decision-making, and action
capabilities through local information interaction, such as a group
of unmanned aerial vehicles (UAVs), unmanned ground vehicles
(UGVs), satellites, etc. Formation tracking control of swarm
systems is an important technical support and approach for the
emergence of swarm intelligence at motion control level. By
applying formation tracking control, swarm system agents can adjust
their relations in the state or output space through neighboring
information interaction, and then the swarm system can achieve
favorable space-time conditions for many cooperative tasks such as
source seeking, target enclosing, and surveillance. Thus, complex
missions can be performed efficiently or cost-effectively. In
cross-domain collaborative applications, including air-ground
coordination and air-sea coordination, swarm systems are usually
composed of several heterogeneous agents, and swarm intelligence
can be enhanced by complementary functions of different agents. How
to achieve time-varying formation tracking for heterogeneous swarm
systems is crucial for cross-domain coordination, which has
important theoretical value and practical significance. This
important book presents a systematic theoretical approach and
control framework on the time-varying formation tracking for
high-order heterogeneous swarm systems. Distributed controller
design and stability analysis of closed-loop systems for several
specific formation tracking problems are provided. Furthermore, the
proposed control approaches are applied to practical cooperative
experiment platforms composed of UAVs and UGVs, and several
formation tracking experiments are carried out to further verify
the effectiveness of the theories.
"Advances in Filament Yarn Spinning of Textiles and Polymers"
reviews the different types of spinning techniques for synthetic
polymer-based fibers, and issues such as their effect on fiber
properties, including melt, dry, wet, and gel spinning.
Synthetic polymer-based fibers are used in a great variety of
consumer and industrial textile applications ranging from clothing
to home furnishings to surgical procedures. This book explores how
a wide array of spinning techniques can be applied in the textile
industry. Part one considers the fundamental structure and
properties of fibers that determine their behavior during spinning.
The book then discusses developments in technologies for
manufacturing synthetic polymer films to produce different fibers
with specialized properties. Part two focuses on spinning
techniques, including the benefits and limitations of melt spinning
and the use of gel spinning to produce high-strength and
high-elastic fibers. These chapters focus specifically on
developments in bi-component, bi-constituent, and electro-spinning,
in particular the fabrication of nanocomposite fibers. The final
chapters review integrated composite spinning of yarns and the
principles of wet and dry spinning.
This collection is an important reference for a wide range of
industrial textile technologists, including spinners, fabric and
garment manufacturers, and students of textile technology. It is
also of great interest for polymer scientists.
Reviews the different spinning techniques and issues such as their
effect on fiber properties, including melt, dry, wet, and gel
spinningConsiders the fundamental structure and properties of
fibers that determine their behavior during spinningReviews
integrated composite spinning of yarns and the principles of wet
and dry spinning
This book gives an overview on the molecular structures (MS) and
crystal structures (CS) of rare earth metal (REM) complexes with a
series of aminopolycarboxylic acid (APCA) ligands, which are
nitrilotriacetic acid (nta), ethylenediamine-N, N, N',
N'-tetraacetic acid (edta), diethylenetriamine-N, N, N', N'',
N''-pentaacetic acid (dtpa), triethylenetetramine-N, N, N', N'',
N''', N'''-hexaacetic acid (ttha) trans-1,2-cyclohexanediamine-N,
N, N', N'-tetraacetic acid (cydta) and 1,3-propylenediamine-N, N,
N', N'-tetraacetic acid (pdta). Among the REM complexes with the
same APCA ligand, the coordination law (CL) of coordination numbers
(CN) and geometrical conformation (Ge are discussed with emphasis.
The research results indicate that the CN and GC of REM complexes
with various APCA ligands mainly depend on the ionic radii and
electronic configurations of central REM ions, the shape of APCA
ligands as well as the category of counter ion.
The main purpose of this book is to explore the influences of
reform on changes in China's economic relations with Japan after
the late 1970s. There are three reasons for investigating the links
between Chinese reform and bilateral economic relations at this
particular juncture in history. First, in the past two decades
reform has meant that China has enjoyed faster economic growth then
Japan. This has transformed the pattern of bilateral economic
relations, hitherto characterised by an industrial Japanese economy
and a resource-based Chinese economy, a result of Japan's
successful industrialisation and China's failure to industrialise
in the previous hundred years. Second, reform has brought about the
deepening of the interdependence between the Chinese economy and
the world economy. Through links with the world economy, the
Chinese economy has not only come to rely on foreign countries for
technology, capital, markets and management skills, but has itself
become a growth pole, exerting a strong impact on world economic
growth. In the reform era, economic relations between China and
Japan have been woven into regional and global economic networks of
trade an investment. Third, reform has transformed the management
of China's domestic and external economic activities.
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