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Books > Professional & Technical > Technology: general issues > Instruments & instrumentation engineering > Engineering measurement & calibration
This multimedia eBook establishes a solid foundation in the
essential principles of how signals interact with transmission
lines, how the physical design of interconnects affects
transmission line properties, and how to interpret single-ended and
differential time domain reflection (TDR) measurements to extract
important figures of merits and avoid common mistakes. This book
presents an intuitive understanding of transmission lines.
Instructional videos are provided in every chapter that cover
important aspects of the interconnect design and characterization
process. This video eBook helps establish foundations for designing
and characterizing the electrical properties of interconnects to
explain in a simplified way how signals propagate and interact with
interconnects and how the physical design of transmission
structures will impact performance. Never be intimidated by
impedance or differential pairs again.
Formed of papers presented at the 20th International Conference on
Computational Methods and Experimental Measurements, this volume
provides a view of the latest work on the interaction between
computational methods and experiments. The continuous improvement
in computer efficiency, coupled with diminishing costs and the
rapid development of numerical procedures have generated an
ever-increasing expansion of computational simulations that
permeate all fields of science and technology. As these procedures
continue to grow in magnitude and complexity, it is essential to
validate their results to be certain of their reliability. This can
be achieved by performing dedicated and accurate experiments, which
have undergone constant and enormous development. At the same time,
current experimental techniques have become more complex and
sophisticated so that they require the intensive use of computers,
both for running experiments as well as acquiring and processing
the resulting data. Some of the subject areas covered are: Fluid
flow studies and experiments; Structural and stress analysis;
Materials characterization; Electromagnetic problems; Structural
integrity; Destructive and non-destructive testing; Heat transfer
and thermal processes; Advances in computational methods;
Automotive applications; Aerospace applications; Ocean engineering
and marine structures; Fluid structure interaction;
Bio-electromagnetics; Process simulations; Environmental
monitoring, modelling and applications; Validation of computer
modelling; Data and signal processing; Virtual testing and
verification; Electromagnetic compatibility; Life cycle assessment.
Measurement is an essential activity in every branch of technology
and science, the fourth edition of this successful text has been
extensively extended and updated to include new developments in
measurement devices and technology. Principles of Measurement
Systems, 4/e provides a coherent and integrated approach to the
topic, covering the main techniques and devices used, together with
relevant theory applications, for both mechanical and electronic
systems.
Written by an interdisciplinary group of experts from both industry
and academia, Acoustic Wave Sensors provides an in-depth look at
the current state of acoustic wave devices and the scope of their
use in chemical, biochemical, and physical measurements, as well as
in engineering applications. Because of the inherent
interdisciplinary applications of these devices, this book will be
useful for the chemist and biochemist interested in the use and
development ofthese sensors for specific applications; the
electrical engineer involved in the design and improvement of these
devices; the chemical engineer and the biotechnologist interested
in using these devices for process monitoring and control; and the
sensor community at large.
Key Features
* Provides in-depth comparison and analyses of different types of
acoustic wave devices
* Discusses operating principles and design considerations
* Includes table of relevant material constants for quick
reference
* Presents an extensive review of current uses of these devices for
chemical, biochemical, and physical measurements, and engineering
applications
This text, the first of its kind, delivers a systematically
organized introduction to the theory and practice of yield
prediction. The book addresses the economic need for accurate yield
prediction, and clarifies the important role it plays in the
semiconductor industry.
The objective of this book is to give well-grounded methods for
estimation of the uncertainly of measurement results. Starting from
the basics of metrology, the book studies this subject in detail,
from theoretical analysis all the way to concrete practical
recommendations in areas ranging from single measurements in
industry, trade, etc. to multiple measurements in experimental
sciences. The book derives these recommendations by systematic
development of the measurement accuracy theory. An important aspect
of this book is that it develops the theory from the strong
practical perspective, by giving priority to the physical essence
of the problems and paying special attention to properties of
measuring instruments and their influence on the uncertainty of
measurements. The book also presents basics on characterization,
standardization and calibration of measuring instruments as well as
methods for calculating limits of errors of measuring instruments.
All recommendations are illustrated by detailed examples from
measurements of both electrical and mechanical quantities.
Branch-and-bound search has been known for a long time and has been
widely used in solving a variety of problems in computer-aided
design (CAD) and many important optimization problems. In many
applications, the classic branch-and-bound search methods perform
duplications of computations, or rely on the search decision trees
which keep track of the branch-and-bound search processes. In CAD
and many other technical fields, the computational cost of
constructing branch-and-bound search decision trees in solving
large scale problems is prohibitive and duplications of
computations are intolerable. Efficient branch-and-bound methods
are needed to deal with today's computational challenges. Efficient
branch-and-bound methods must not duplicate computations. Efficient
Branch and Bound Search with Application to Computer-Aided Design
describes an efficient branch-and-bound method for logic
justification, which is fundamental to automatic test pattern
generation (ATPG), redundancy identification, logic synthesis,
minimization, verification, and other problems in CAD. The method
is called justification equivalence, based on the observation that
justification processes may share identical subsequent search
decision sequences. With justification equivalence, duplication of
computations is avoided in the dynamic branch-and-bound search
process without using search decision trees. Efficient Branch and
Bound Search with Application to Computer-Aided Design consists of
two parts. The first part, containing the first three chapters,
provides the theoretical work. The second part deals with
applications, particularly ATPG for sequential circuits. This book
is particularly useful to readers who are interested in the design
and test of digital circuits.
PART I - APPARATUS AND PRINCIPLES USED IN MICRODIFFUSION ANALYSIS -
II. A STANDARD MICRO DIFFUSION APPARATUS OR 'UNIT' - III. FACTORS
INFLUENCING THE ABSORPTION RATE FROM OUTER TO INNER CHAMBER WITH
SPECIAL REFERENCE TO AMMONIA - IV. GENERAL PRINCIPLES GOVERNING THE
ABSORPTION TIME IN MICRO DIFFUSION ANALYSIS - V. PIPETTES (SUITABLE
FOR USE WITH THE STANDARD UNITS) AND THEIR DELIVERY ERRORS - VI.
MICRO-BURETTES (SUITABLE FOR USE WITH THE STANDARD UNITS) AND
ERRORS INVOLVED IN THEIR USE - VII. THE MICRODIFFUSION METHOD WITH
END-POINT VOLUMES AROUND 20 CUBIC MILLIMETRES - VII. COLORIMETRY IN
THE MICRODIFFUSION METHODS - PART II - DESCRIPTION OF METHODS WITH
THE STANDARD UNITS - IX. AMMONIA. GENERAL METHOD USING STANDARD
ACID AS ABSORBENT - X. AMMONIA. GENERAL METHOD (USING THE BORIC-HCL
PROCEDURE) - XI. SPECIAL FACTORS INFLUENCING THE RATE OF AMMONIA
ABSORPTION - XII. OTHER METHODS FOR DETERMINING THE ABSORBED
AMMONIA IN THE MICRO DIFFUSION PROCEDURE - XIII. AMMONIA.
BIOLOGICAL DETERMINATIONS - XIV. TOTAL NITROGEN XVII. UREA (BLOOD
AND URINE) - XIX. ADENOSINETRIPHOSPHORIC ACID, ADENYLIC ACID,
ADENOSINE, ETC. - XX. NITRATE, NITRITE AND AMIDE NITROGEN - XXII.
MONOAMINE OXIDASE AND HISTAMINASE IN TISSUES - XXIII. DETERMINATION
OF VOLATILE AMINES - XXIV. CARBONATES AND BICARBONATE - XXV. BLOOD
GLUCOSE AND FERMENTABLE SUGAR IN NORMAL URINE - XXVI. DETERMINATION
OF CARBONIC ANHYDRASE - XXVII. OXIDATION RATES OF ORGANIC
SUBSTANCES WITH A STANDARD OXIDANT WITH APPLICATION TO
DETERMINATION OF MINUTE AMOUNTS OF CALCIUM AS OXALATE - XXVIII.
ACETIC ACID AND OTHER LOWER FATTY ACIDS - XXIX. ASSAY OF
ACETYLCHOLINESTERASE - XXX. CYANIDE, AZIDE, SULPHIDE, PHENOLS -
XXXI. METHANOL AND ISOPROPANOL GROUP - XXXII. ETHANOL - XXXIII.
ETHANOL FROM URETHANE - XXXIV. FORMALDEHYDE - XXXV.
FORMALDEHYDOGENIC STEROIDS (PERIODIC ACID AS OXIDANT) - XXXVI.
FORMALDEHYDOGENIC STEROIDS (SODIUM BISMUTHATE AS OXIDANT) - XXXVII.
GLYCINE (FORMALDEHYDE PRODUCED BY NINHYDRIN OXIDATION) - XXXVIII.
ACETALDEHYDE (SEMICARBAZIDE ABSORPTION) - XXXIX. ACETALDEHYDE FROM
LACTIC ACID AND THREONINE WITH BISULPHITE ABSORPTION - XL. ACETONE
(INCLUDING A RAPID CLINICAL METHOD USING THE NESSLER SOLUTION) -
XLI. THE HALOGENS (INTRODUCTORY) - XLII. CHLORIDE (BY OXIDATION TO
CHLORINE AND ABSORPTION INTO IODIDE) - XLIII. CHLORIDE (BY
OXIDATION TO CHLORINE AND ABSORPTION INTO FAST GREEN) - XLIV.
BROMIDE - XLV. IODIDES AND HALOGEN MIXTURES - XLVI. SERIAL
DETERMINATION OF ORGANICALLY BOUND HALOGEN - XLVII. VOLATILE
HALOGENATED HYDROCARBONS (CHLOROFORM, TRICHLORETHYLENE AND CARBON
TETRACHLORIDE) - XLVIII. CARBON MONOXIDE - XLIX. A RAPID CLINICAL
METHOD FOR CARBON MONOXIDE DETERMINATION - LI. TOTAL MOLECULAR
CONCENTRATION IN FLUID SAMPLES OF ABOUT 3-4 MILLIGRAMS - LII.
SEPARATION OF CRYSTALS AND' GUMS' BY MICRODIFFUSION - QUALITATIVE
MICRO-DIFFUSION ANALYSIS - LIII. SOME CONSIDERATIONS ON QUALITATIVE
MICRO-DIFFUSION ANALYSIS - PART III - THE ERROR OF VOLUMETRIC
TITRATION - LIV. INTRODUCTORY - LV. THE VARIABLE GLASS ERROR - LVI.
THE TOTAL VARIABLE GLASS ERROR AND ITS CONTROL - LVII. THE VARIABLE
CHEMICAL ERROR IN TITRATION - LVIII. THE RATIONALE OF MICRO
TITRATION - LIX. THE CONSTANT GLASS ERROR - LX. THE CONSTANT
CHEMICAL ERROR - LXI. VOLUMETRIC ERROR IN KJELDAHL NITROGEN
ANALYSES - LXIII. UREA EXCRETION AS RENAL FUNCTION TEST - Full TOC
available on website
The object of this book is to provide a comprehensive treatment of the principal issues in modern instrumentation, but without attempting an encyclopedic reference. It thus discusses the basic theory and physical principles underlying the operation of the various sensors as well as the practical aspects of their operation and their incorporation into larger systems. The intent is to cover the most important topics in electronics, sensors, measurements, and acquisition systems, always keeping in mind the needs of practicing scientists and engineers. The presentation focuses on systems controlled by desktop personal computers running a high-level program and operating through internal cards or an external bus connected to instruments, rather than the specialized microprocessors discussed in older texts. The book will thus be useful to students in a wide variety of experimental sciences and engineering disciplines, including physics, chemistry, mechanical, nuclear, and electrical engineering, experimental psychology, biology, and geophysics.
For Sophomore/Junior-level courses in Automatic Control Systems,
Process Controls, and Instrumentation and Measurement. This text is
designed to provide students with an understanding and appreciation
of some of the essential concepts behind control system elements
and operations, without the need of advanced math and theory. It
also presents some of the practical details of how elements of a
control system are designed and operated, such as would be gained
from on-the-job experience. This edition includes treatment of
modern fieldbus approaches to networked and distributed control
systems. This middle ground of knowledge enables students to design
the elements of a control system from a practical, working
perspective, and comprehend how these elements affect overall
system operation and tuning.
This book contains selected contributions from the 6th CIRP
International Seminar on Computer-Aided Tolerancing, which was held
on 22-24 March, 1999, at the University of Twente, Enschede, The
Netherlands. This volume presents the theory and application of
consistent tolerancing. Until recently CADCAM systems did not even
address the issue of tolerances and focused purely on nominal
geometry. Therefore, CAD data was only of limited use for the
downstream processes. The latest generation of CADCAM systems
incorporates functionality for tolerance specification. However,
the lack of consistency in existing tolerancing standards and
everyday tolerancing practice still lead to ill-defined products,
excessive manufacturing costs and unexpected failures. Research and
improvement of education in tolerancing are hot items today. Global
Consistency of Tolerances gives an excellent overview of the recent
developments in the field of Computer-Aided Tolerancing, including
such topics as tolerance specification; tolerance analysis;
tolerance synthesis; tolerance representation; geometric product
specification; functional product analysis; statistical
tolerancing; education of tolerancing; computational metrology;
tolerancing standards; and industrial applications and CAT systems.
This book is well suited to users of new generation CADCAM systems
who want to use the available tolerancing possibilities properly.
It can also be used as a starting point for research activities.
Throughout the 1980s and 1990s, the theory and practice of testing
electronic products has changed considerably. Quality and testing
have become inextricably linked and both are fundamental to the
generation of revenue to a company, helping the company to remain
profitable and therefore survive. Testing plays an important role
in assessing the quality of a product. The tester acts as a filter,
separating good products from bad. Unfortunately, the tester can
pass bad products and fail good products, and the generation of
high quality tests has become complex and time consuming. To
achieve significant reduction in time and cost of testing, the role
and responsibility of testing has to be considered across an entire
organization and product development process. Testability Concepts
for Digital ICs: The Macro Test Approach considers testability
aspects for digital ICs. The strategy taken is to integrate the
testability aspects into the design and manufacturing of ICs and,
for each IC design project, to give a precise definition of the
boundary conditions, responsibilities, interfaces and
communications between persons, and quality targets. Macro Test, a
design-for-Testability approach, provides a manageable test program
route. Using the Macro Test approach, one can explore alternative
solutions to satisfy pre-defined levels of performance (e.g. defect
detection, defect location, test application) within a pre-defined
cost budget and time scale. Testability Concepts for Digital ICs is
the first book to present a tried and proven method of using a
Macro approach to testing complex ICs and is of particular interest
to all test engineers, IC designers and managers concerned with
producing highquality ICs.
Metrology and Properties of Engineering Surfaces provides in a
single volume a comprehensive and authoritative treatment of the
crucial topics involved in the metrology and properties of
engineering surfaces. The subject matter is a central issue in
manufacturing technology, since the quality and reliability of
manufactured components depend greatly upon the selection and
qualities of the appropriate materials as ascertained through
measurement. The book can in broad terms be split into two parts;
the first deals with the metrology of engineering surfaces and
covers the important issues relating to the measurement and
characterization of surfaces in both two and three dimensions. This
covers topics such as filtering, power spectral densities,
autocorrelation functions and the use of Fractals in topography. A
significant proportion is dedicated to the calibration of scanning
probe microscopes using the latest techniques. The remainder of the
book deals with the properties of engineering surfaces and covers a
wide range of topics including hardness (measurement and
relevance), surface damage and the machining of brittle surfaces,
the characterization of automobile cylinder bores using different
techniques including artificial neural networks and the design and
use of polymer bearings in microelectromechanical devices. Edited
by three practitioners with a wide knowledge of the subject and the
community, Metrology and Properties of Engineering Surfaces brings
together leading academics and practitioners in a comprehensive and
insightful treatment of the subject. The book is an essential
reference work both for researchers working and teaching in the
technology and for industrial users who need to be aware of current
developments of the technology and new areas of application.
Theory and practice of tolerances are very important for designing
and manufacturing engineering artifacts on a rational basis.
Tolerance specifies a degree of "discrepancy" between an idealized
object and its physical realization. Such discrepancy inevitably
comes into our product realization processes because of practical
cost consideration or our inability to fully control manufacturing
processes. Major product and production characteristics which are
affected by tolerances are product quality and cost. For achieving
high precision machines tight tolerance specification is necessary,
but this will normally increase product cost. In order to optimally
compromise the conflicting requirements of quality and cost, it is
essential to take into account of the total product life cycle
throughout product planning, design, manufacturing, maintenance and
recycling. For example, in order to construct durable products
under severe working conditions, low sensitivity of product
functionality with respect to tolerances is required. In future,
re-use of components or parts will become important, and tolerance
synthesis with respect to this aspect will be an interesting future
research topics.
Comprising specially selected papers on the subject of
Computational Methods and Experimental Measurements, this book
includes research from scientists, researchers and specialists who
perform experiments, develop computer codes and carry out
measurements on prototypes. Improvements relating to computational
methods have generated an ever-increasing expansion of
computational simulations that permeate all fields of science and
technology. Validating the results of these improvements can be
achieved by carrying out committed and accurate experiments, which
have undertaken continuous development. Current experimental
techniques have become more complex and sophisticated so that they
require the intensive use of computers, both for running
experiments as well as acquiring and processing the resulting data.
This title explores new experimental and computational methods and
covers various topics such as: Computer-aided Models; Image
Analysis Applications; Noise Filtration of Shockwave Propagation;
Finite Element Simulations.
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