Optimizing of Balances of the Second Generation |
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Authors: | Massen C H Swüste C H W Robens E Poulis J A |
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Institution: | (1) Faculty of Technical Physics, Technical University Eindhoven, Postbus 513, NL-5600 MB Eindhoven, The Netherlands |
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Abstract: | At the 3rd Conference on Vacuum Microbalance Techniques in Los Angeles in 1962, we suggested the use of the equation of motion
of a balance T=J+α+kα+Cα for the calculation of the unknown torque T, and the measurement for that purpose of the values of
all the other quantities in this equation. The present paper discusses the consequences of two sources of error relevant for
this method. First, the errors caused in the first and second derivatives of the deflection are considered, deduced from two
or three deflection measurements separated by small time intervals. Secondly, the consequences of the errors caused by the
uncertainties in the deflection measurements are discussed. Consideration of the two errors together leads to an optimal set
of values of parameters for the balance handling.
This revised version was published online in July 2006 with corrections to the Cover Date. |
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Keywords: | balance mass determination weighing errors |
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