Presents new developments on machine tool vibration control
based on discontinuous dynamical systems
Machining instability is a topical area, and there are a wide
range of publications that cover the topic. However, many of these
previous studies have started by assuming that the behavior of the
system can be linearised. Meanwhile, there are many recent advances
in the fields of signal processing, nonlinear dynamics, and
nonlinear control, all of which are relevant to the machining
stability problem. This book establishes the fundamentals of
cutting mechanics and machine tool dynamics in the simultaneous
time-frequency domain. The new nonlinear control theory
developed by the authors that facilitates simultaneous control of
vibration amplitude in the time-domain and spectral response in the
frequency-domain provides the foundation for the development of a
controller architecture universally viable for the control of
dynamic instability including bifurcation and chaos. Once
parameters underlying the coupling, interaction, and evolution of
different cutting states and between the tool and workpiece are
established, they can then be incorporated into the architecture to
create a control methodology that mitigate machining instability
and enable robust, chatter-free machine tool design applicable in
particular to high speed micro- and nano-machining.
* Presents new developments on machine tool vibration control
based on discontinuous dynamical systems
* Provides a clear and concise approach to the understanding and
control of machine tool and workpiece vibrations from an
alternative view, contributing to an in-depth understanding of
cutting dynamics and robust control of machining instability
* Equips the reader with the knowledge to understand the dynamics
of cutting and operation of machine-tool systems in different
conditions as well as the concept of cutting instability
control
* Includes data examples in MATLAB coding
Over de auteur
Dr C. Steve Suh, Director, Institute for Innovation and
Design in Engineering, Department of Mechanical Engineering, Texas
A&M University, USA. Dr Suh obtained his Ph D in
Mechanical Engineering from Texas A&M University in
1997. He has co-authored numerous journals articles and a
book, and was Guest Editor of the Journal of Vibration and
Control in 2007. Dr Suh’s research interests include
Nonlinear control theory; Laser ultrasonic thermometry;
Characterization and control of dynamic manufacturing instability;
Engineering design theory; MEMS and NEMS fabrication;
High-performance 3D microelectronic packaging; Dynamic system
diagnostics and prognostics; Wave propagation;
Thermo-Elasto-Viscoplastodynamics.
Dr Meng-Kun Liu, Lecturer, Department of Mechanical
Engineering, Texas A&M University, USA. Dr.Liu
obtained his Ph D in Mechanical Engineering from Texas A&M
University in 2012. He has two-years senior
design instructor experience in system engineering, project
management and design optimization, and four years hands-on
experience in industrial projects with focuses on design
innovation. He was the recipient of the 2012 Departmental Graduate
Student Teaching Award, and has co-authored numerous journal
articles and conference proceedings. This is his first
book.
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