Stepwise compensation waveform generation by using Josephson voltage standards for joule balance
Sign Up to like & getrecommendations! Published in 2017 at "Measurement Science and Technology"
DOI: 10.1088/1361-6501/28/1/015004
Abstract: Flux linkage difference in the new joule balance can be obtained by the time integration of the induced voltage u(t) from the suspended coil relative to a moving magnet driven by a dc motor translation… read more here.
Keywords: voltage; joule balance; compensation; stepwise ... See more keywords
The first determination of the Planck constant with the joule balance NIM-2
Sign Up to like & getrecommendations! Published in 2017 at "Metrologia"
DOI: 10.1088/1681-7575/aa7a65
Abstract: The National Institute of Metrology (NIM, China) proposed a joule balance method to measure the Planck constant in 2006, and built the first prototype NIM-1 to verify its principle with a relative uncertainty of 8.9… read more here.
Keywords: joule balance; planck constant; nim;
Designing Model and Optimization of the Permanent Magnet for Joule Balance NIM-2
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2016.2624858
Abstract: The permanent magnet with yokes is widely used in watt and joule balances to measure the Planck constant for the forthcoming redefinition of the unit of mass, the kilogram. Recently, the permanent magnet has been… read more here.
Keywords: joule balance; magnet; permanent magnet; designing model ... See more keywords
The Design and Construction of the Joule Balance NIM-2
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2017.2692300
Abstract: To make contribution for the redefinition of the kilogram with the Planck constant, the National Institute of Metrology (NIM, China), proposed a joule balance method. The first prototype NIM-1 has been built to check the… read more here.
Keywords: balance nim; joule; joule balance; design construction ... See more keywords
A Parasitic Displacement Measurement System for Suspended Coil in Joule Balance
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DOI: 10.1109/tim.2018.2872448
Abstract: Alignment is very important for Kibble balances and the joule balance at the measurement uncertainty region of several parts in 108. In the joule balance, if the suspended coil is in a misalignment state, parasitic… read more here.
Keywords: joule balance; tex math; inline formula;
The Next Generation Heterodyne Laser Interferometer in Joule Balance
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2023.3276013
Abstract: In the joule balance, it is important to measure the relative displacement between the exciting magnet and the suspended coil. So, we have designed and applied a compact dual-axis heterodyne interferometer, which is vacuum compatible… read more here.
Keywords: joule balance; interferometer; heterodyne interferometer;