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This book demonstrates the potential of the blended wing body (BWB)
concept for significant improvement in both fuel efficiency and
noise reduction and addresses the considerable challenges raised
for control engineers because of characteristics like open-loop
instability, large flexible structure, and slow control surfaces.
This text describes state-of-the-art and novel modeling and control
design approaches for the BWB aircraft under consideration. The
expert contributors demonstrate how exceptional robust control
performance can be achieved despite such stringent design
constraints as guaranteed handling qualities, reduced vibration,
and the minimization of the aircraft's structural loads during
maneuvers and caused by turbulence. As a result, this innovative
approach allows the building of even lighter aircraft structures,
and thus results in considerable efficiency improvements per
passenger kilometer. The treatment of this large, complex,
parameter-dependent industrial control problem highlights relevant
design issues and provides a relevant case study for modeling and
control engineers in many adjacent disciplines and applications.
Modeling and Control for a Blended Wing Body Aircraft presents
research results in numeric modeling and control design for a
large, flexible, civil BWB aircraft in the pre-design stage as
developed within the EU FP7 research project ACFA 2020. It is a
useful resource for aerospace and control engineers as it shows the
complete BWB aircraft modeling and control design process, carried
out with the most recent tools and techniques available. presents
research results in numeric modeling and control design for a
large, flexible, civil BWB aircraft in the pre-design stage as
developed within the EU FP7 research project ACFA 2020. It is a
useful resource for aerospace and control engineers as it shows the
complete BWB aircraft modeling and control design process, carried
out with the most recent tools and techniques available. Advances
in Industrial Control aims to report and encourage the transfer of
technology in control engineering. The rapid development of control
technology has an impact on all areas of the control discipline.
The series offers an opportunity for researchers to present an
extended exposition of new work in all aspects of industrial
control.
This open access book presents research and evaluation results of
the Austrian flagship project "Connecting Austria," illustrating
the wide range of research needs and questions that arise when
semi-automated truck platooning is deployed in Austria. The work
presented is introduced in the context of work in similar research
areas around the world. This interdisciplinary research effort
considers aspects of engineering, road-vehicle and infrastructure
technologies, traffic management and optimization, traffic safety,
and psychology, as well as potential economic effects. The book's
broad perspective means that readers interested in current and
state-of-the-art methods and techniques for the realization of
semi-automated driving and with either an engineering background or
with a less technical background gain a comprehensive picture of
this important subject. The contributors address many questions
such as: Which maneuvers does a platoon typically have to carry
out, and how? How can platoons be integrated seamlessly in the
traffic flow without becoming an obstacle to individual road users?
What trade-offs between system information (sensors, communication
effort, etc.) and efficiency are realistic? How can intersections
be passed by a platoon in an intelligent fashion? Consideration of
diverse disciplines and highlighting their meaning for
semi-automated truck platooning, together with the highlighting of
necessary research and evaluation patterns to address such a broad
task scientifically, makes Energy-Efficient and Semi-automated
Truck Platooning a unique contribution with methods that can be
extended and adapted beyond the geographical area of the research
reported.
This open access book presents research and evaluation results of
the Austrian flagship project "Connecting Austria," illustrating
the wide range of research needs and questions that arise when
semi-automated truck platooning is deployed in Austria. The work
presented is introduced in the context of work in similar research
areas around the world. This interdisciplinary research effort
considers aspects of engineering, road-vehicle and infrastructure
technologies, traffic management and optimization, traffic safety,
and psychology, as well as potential economic effects. The book's
broad perspective means that readers interested in current and
state-of-the-art methods and techniques for the realization of
semi-automated driving and with either an engineering background or
with a less technical background gain a comprehensive picture of
this important subject. The contributors address many questions
such as: Which maneuvers does a platoon typically have to carry
out, and how? How can platoons be integrated seamlessly in the
traffic flow without becoming an obstacle to individual road users?
What trade-offs between system information (sensors, communication
effort, etc.) and efficiency are realistic? How can intersections
be passed by a platoon in an intelligent fashion? Consideration of
diverse disciplines and highlighting their meaning for
semi-automated truck platooning, together with the highlighting of
necessary research and evaluation patterns to address such a broad
task scientifically, makes Energy-Efficient and Semi-automated
Truck Platooning a unique contribution with methods that can be
extended and adapted beyond the geographical area of the research
reported.
In this work, an advanced active vibration control system acting on
a railway vehicle multibody dynamic model is applied to show the
possible reduction of rail car body vibration amplitudes to improve
ride comfort. The control concept uses Piezo stack actuators
directly acting on the rail car body structure. Several promising
actuator positioning cases are evaluated in various excitation
scenarios by co-simulation of the multibody system dynamics in the
SimPACK(r) simulation environment and the online vibration control
algorithm in MatLab/SIMULINK(r). This way, a meaningful analysis of
the system in its full complexity is carried out, showing the
achievable improvement in ride comfort. Besides the simulation
setup and results, this work contains a step by step instruction of
the controller design procedure. There, critical decisions in the
control design process are pointed out. A detailed modeling of the
piezoelectric actuators is performed to address non-linearities and
to show compensation measures. The concluding result interpretation
and outlook discuss the capabilities of the approach and provides
guidelines for the choice and placement of actuators for real
railway vehic
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