Details

Handbook of Force Transducers


Handbook of Force Transducers

Characteristics and Applications
1st ed. 2020

von: Dan Mihai Stefanescu

213,99 €

Verlag: Springer
Format: PDF
Veröffentl.: 27.01.2020
ISBN/EAN: 9783030353223
Sprache: englisch

Dieses eBook enthält ein Wasserzeichen.

Beschreibungen

<p></p><p>Part I introduces the basic “Principles and Methods of Force Measurement” according to a classification into a dozen of force transducerstypes: resistive, inductive, capacitive, piezoelectric, electromagnetic, electrodynamic, magnetoelastic, galvanomagnetic (Hall-effect), vibrating wires, (micro)resonators, acoustic and gyroscopic. Two special chapters refer to force balance techniques and to combined methods in force measurement.</p>

Part II discusses the “(Strain Gauge) Force Transducers Components”, evolving from the classical force transducer to the digital / intelligent one, with the incorporation of three subsystems (sensors, electromechanics and informatics). The elastic element (EE) is the “heart” of the force transducer and basically determines its performance. A 12-type elastic element classification is proposed (stretched / compressed column or tube, bending beam, bending and/or torsion shaft, middle bent bar with fixed ends, shear beam, bending ring, yoke or frame, diaphragm, axial-stressed torus, axisymmetrical and voluminous EE), with emphasis on the optimum place of the strain gauges. The main properties of the associated Wheatstone bridge, best suited for the parametrical transducers, are examined, together with the appropriate electronic circuits for SGFTs. The handbook fills a gap in the field of Force Measurement, both experts and newcomers, no matter of their particular interest, finding a lot of useful and valuable subjects in the area of Force Transducers; in fact, it is the first specialized monograph in this inter- and multidisciplinary field.<p></p><br><p></p>
<p>The International System of Units (SI) and the Place of “Force” in European, Asian and American Graphic Representations. The New SI (2019).- Metrological Characteristics in the Measurement Process, with Examples in Weighing Cells.- General Classification of the Electrical Methods and Principles for Measuring Mechanical Quantities.- Application of Electromagnetic and Optical Methods in Small Force Sensing.- Strain Gauges – Resistive and Other Principles.- Wheatstone Bridges – Basic and Similar Configurations.- Evolution of Strain Gauge Force Transducers – Design, Fabrication, Testing, Calibration and Databases.- Testing Equipment to Investigate Elastic Constants of Rocks and Composites.- Static and Dynamic Stiffness in Connection with Ball Screws and Reinforced Concrete Components.- Methods and Means for Measuring Cables Tension.- Measurement of the Axial Loads Transmitted to the Foundation by High Voltage Circuit Breakers when Acting.- A New Weigh-in-Motion and Traffic Monitoring System.- Robotic and Biomedical Applications Related to Human Hands.- Multifunctional Transducers for Force and Other Non-Electrical Quantities.- Multicomponent Force and Moment Transducers.- Equipment for Determining Aerodynamic Forces on Flapping Wings.- Strain Gauge Balances for Testing Car and Flight Models in Wind-Tunnel Applications.- Recent Evolution of Smart Force Transducers.- New Achievements in the Field of Intelligent Force Transducers. Traceability.- Virtual Instrumentation and Force Transducer for Measurements in Dentistry.- A Supplement on Photoelastic and Digital Techniques in Force Measurements.</p>

<p>&nbsp;</p><br>
Dan Mihai Ştefănescu, born in Bucharest on 6 April 1946, received BS (1969) in Applied Electronics, MS (1983) in Experimental Stress Analysis and PhD cum laude (1999) in Electrical Engineering, all from the “Politehnica” University of Bucharest. He worked as Senior Researcher in Measurement Techniques with the National Institute for Aerospace Research in Bucharest (1969 – 2003). He completed a Postdoctoral Fellowship (NATO grant) on Knowledge-based Intelligent Systems for Selecting Industrial Sensors at Twente University of Enschede, The Netherlands (2002). He was Visiting Scientist within Korean Research Institute of Standards and Science, conducting a project on Force Transducers Optimization by Numerical Methods (2004) and then within Center for Measurement Standards in Taiwan, R.O.C., leading a project on Improved Portable Truck Scales (2005). Now, he is Senior Consultant for the Romanian Measurement Society. His current research interests: electrical measurement of mechanical quantities, material testing installations and metrological procedures for multicomponent transducers. He delivered 46 conferences and published 4 books, 2 book chapters and 192 papers in 40 countries on all continents (minus Antarctica). He is member of the Verband Deutscher Electrotechniker (1987) and Romanian representative (1988) as well as member of the General Council of IMEKO – International Measurement Confederation (2015).
<p></p><p>This handbook could best be described as a “potpourri” of ideas and <i>applications in the field of measurement, instrumentation and transducers</i>. Among them, Strain gauges – Wheatstone bridges – Force transducers – Mechanical testing – Electrical measurement – Virtual instrumentation are dominating the story, like a red thread, a root of all facets treated by the author. It is addressed mainly to students, technicians, engineers, researchers and other people desiring to broaden their knowledge area and get new specific information.</p><p><br></p><p>The book’s table of contents is rather balanced, going from simple to complex in 21 chapters. Most delicate subjects, such as force feedback, force control, force vision, smart / intelligent force transducers, virtual measurement, are gradually presented and properly explained. </p><p>&nbsp;&nbsp;&nbsp; More than 200 illustrations (colorful, complex, suggestive, and informative) and 260 bibliographical references (a quarter from which belonging to the author) bring a plus of value and strength to this spectacular and unique work about various <i>applications with strain gauge force transducers (SGFTs) and their characteristics</i>. It is to be noted the uniform figuring of the strain gauges, connected in Wheatstone bridge after their bonding on the elastic elements of single- or multi-component SGFTs, observing the adopted color convention: red – increasing resistance for (mechanical) tension (T) and blue – decreasing resistance for compression (C).</p><p> &nbsp;&nbsp;&nbsp; Perhaps one could object to somehow “overloading” certain pictures. An explanation could be the author’s desire to “squeeze” more information into individual images. This could be a great advantage especially for young people, who prefer “concentrated” information and quick learning. Both online and printed editions enjoy and benefit from the “kaleidoscopic” (and often “encyclopedic”) content of this book.<br></p><br><p></p>
<p>Complementary handbook for engineers, technicians, students and practitioners, providing a good deal of up-to-date information</p><p>Complete book in handbook style</p><p>Second volume of the successful “Handbook of Force Transducers” concentrating on Characteristics and Applications</p><p>Useful for experts and newcomers</p><p>Includes multidisciplinary applications, exhaustively presented and, finally, an example of virtual instrumentation in this field</p><p>Includes more than 190 colorful and informative illustrations and 260 bibliographical references bringing additional value and strength to this unique work about various applications with strain gauge force transducers (SGFTs) and their characteristics</p>

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