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The field of large-scale dimensional metrology (LSM) deals with
objects that have linear dimensions ranging from tens to hundreds
of meters. It has recently attracted a great deal of interest in
many areas of production, including the automotive, railway, and
shipbuilding sectors. Distributed Large-Scale Dimensional Metrology
introduces a new paradigm in this field that reverses the classical
metrological approach: measuring systems that are portable and can
be easily moved around the location of the measured object, which
is preferable to moving the object itself. Distributed Large-Scale
Dimensional Metrology combines the concepts of distributed systems
and large scale metrology at the application level. It focuses on
the latest insights and challenges of this new generation of
systems from the perspective of the designers and developers. The
main topics are: coverage of measuring area, sensors calibration,
on-line diagnostics, probe management, and analysis of metrological
performance. The general descriptions of each topic are further
enriched by specific examples concerning the use of commercially
available systems or the development of new prototypes. This will
be particularly useful for professional practitioners such as
quality engineers, manufacturing and development engineers, and
procurement specialists, but Distributed Large-Scale Dimensional
Metrology also has a wealth of information for interested
academics.
The field of large-scale dimensional metrology (LSM) deals with
objects that have linear dimensions ranging from tens to hundreds
of meters. It has recently attracted a great deal of interest in
many areas of production, including the automotive, railway, and
shipbuilding sectors. Distributed Large-Scale Dimensional Metrology
introduces a new paradigm in this field that reverses the classical
metrological approach: measuring systems that are portable and can
be easily moved around the location of the measured object, which
is preferable to moving the object itself. Distributed Large-Scale
Dimensional Metrology combines the concepts of distributed systems
and large scale metrology at the application level. It focuses on
the latest insights and challenges of this new generation of
systems from the perspective of the designers and developers. The
main topics are: coverage of measuring area, sensors calibration,
on-line diagnostics, probe management, and analysis of metrological
performance. The general descriptions of each topic are further
enriched by specific examples concerning the use of commercially
available systems or the development of new prototypes. This will
be particularly useful for professional practitioners such as
quality engineers, manufacturing and development engineers, and
procurement specialists, but Distributed Large-Scale Dimensional
Metrology also has a wealth of information for interested
academics.
A world that is changing faster and faster forces companies to a
continuous performance monitoring. Indicators give the impression
to be the real engine of organizations or even the economy at
large. But performance indicators are not simple observation tools.
They can have a deep normative effect, which can modify
organizational behaviour and influence key decisions. Companies are
what they measure The selection of good performance indicators is
not an easy process. This monograph focuses on the designing of a
Performance Measurement System (PMS), knowing that magic rules to
identify them do not exist. Some indicators seem right and easy to
measure, but have subtle, counter-productive consequences. Other
indicators are more difficult to measure, but focus the enterprise
on those decisions and actions that are critical to success. This
book suggests how to identify indicators that achieve a balance in
these effects and enhance long-term profitability."
Given our rapidly changing world, companies are virtually forced to
engage in continuous performance monitoring. Though Key Performance
Indicators (KPIs) may at times seem to be the real driving force
behind social systems, economies and organizations, they can also
have far-reaching normative effects, which can modify
organizational behavior and influence key decisions - even to the
point that organizations themselves tend to become what they
measure! Selecting the right performance indicators is hardly a
simple undertaking. This book describes in detail the main
characteristics of performance measurement systems and summarizes
practical methods for defining KPIs, combining theoretical and
practical aspects. These descriptions are supported by a wealth of
practical examples. The book is intended for all academics,
professionals and consultants involved in the analysis and
management of KPIs.
A world that is changing faster and faster forces companies to a
continuous performance monitoring. Indicators give the impression
to be the real engine of organizations or even the economy at
large. But performance indicators are not simple observation tools.
They can have a deep normative effect, which can modify
organizational behaviour and influence key decisions. Companies are
what they measure The selection of good performance indicators is
not an easy process. This monograph focuses on the designing of a
Performance Measurement System (PMS), knowing that magic rules to
identify them do not exist. Some indicators seem right and easy to
measure, but have subtle, counter-productive consequences. Other
indicators are more difficult to measure, but focus the enterprise
on those decisions and actions that are critical to success. This
book suggests how to identify indicators that achieve a balance in
these effects and enhance long-term profitability."
The present book is a result of the research activity aimed at
developing a new measuring system for large scale dimensional
metrology - the MScMS (Mobile Spatial coordinate Measuring System).
In this field, the rising exigency of measuring quickly and with
acceptable accuracy levels has promoted significant advances across
the development of light and scalable technologies, which are easy
to implement and flexible in their use. MScMS consists of multiple
components with small dimensions connected by a wireless network
and arranged around the measuring area, so as to allow rapid
dimensional measurements to be performed in relation to large-size
objects. This system, which was developed at Politecnico di Torino
(Italy), is portable, reconfigurable and cheap.
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