Background
Stefanescu, Dan Mihai was born on April 6, 1946 in Bucharest, Romania. Son of Dumitru and Viorica (Tomescu) Stefanescu.
( Part I introduces the basic "Principles and Methods of ...)
Part I introduces the basic "Principles and Methods of Force Measurement" according to a classification into a dozen of force transducers types: 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. 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 location 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.
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Stefanescu, Dan Mihai was born on April 6, 1946 in Bucharest, Romania. Son of Dumitru and Viorica (Tomescu) Stefanescu.
Diploma, Polytechnic Institute, Bucharest, 1969. Master of Science in Civil and Environmental Engineering, Polytechnic Institute, Bucharest, 1983. Doctor of Philosophy in Electrical Engineering cum laude, Polytechnic Institute, Bucharest, 1999.
Research scientist, Aerospace Institute, Bucharest, 1969-1979; head instrumentation, Aerospace Institute, Bucharest, since 1992; assistant professor and senior engineer testing laboratory, Polytechnic Institute, Bucharest, 1979-1992. Romanian representative International Measurement Confederation-Force Committee, since 1988. Consultant A.M. Erichsen, Germany, since 1992.
( Part I introduces the basic "Principles and Methods of ...)
With Romanian Army Reserve, 1996. Member Society Experimental Mechanics, Verband Deutscher Elektrotechniker, Romanian Society Measurement, Romanian Association Tensometry.
Married Veronica Bratu, June 22, 1974. Children: Alexandru, Florian.