13 papers
Design and Initial Test of the Weighing Unit for Tsinghua Tabletop Kibble Balance
Weibo Liu, Nanjia Li, Lushuai Qian +4
This paper presents a customized weighing unit developed for the Tsinghua tabletop Kibble balance. The system is based on a flexure hinge mechanism sourced from a commercial weighi…
An Optical System for Monitoring Coil Parasitic Motion and Mass Position for Tsinghua Tabletop Kibble Balance
Weibo Liu, Kang Ma, Nanjia Li +3
This paper presents a novel seven-channel optical measurement system for monitoring coil parasitic motion and mass position in the Tsinghua Tabletop Kibble balance. The system empl…
Design and Verification of a New Current Source for Tsinghua Tabletop Kibble Balance
Yuhan Ma, Kang Ma, Wei Zhao +3
This paper presents an ultra-stable current source tailored for the one-mode, two-phase (OMTP) measurement scheme in Tsinghua tabletop Kibble balances. To achieve simultaneous high…
Recent Advances in Tabletop Kibble Balance -- KBmini
Nanjia Li, Weibo Liu, Kang Ma +4
This paper presents recent advances in the KBmini Kibble balance, a tabletop system for E2-accuracy mass calibration up to 1 kg. The profile is characterized by manually se…
Status of the Tsinghua Tabletop Kibble Balance
Shisong Li, Weibo Liu, Nanjia Li +7
This paper reports on the status of the Tsinghua tabletop Kibble balance experiment, aiming to deliver a mass calibration instrument for kilogram realizations in accordance with th…
A Linearization of DFT Spectrum for Precision Power Measurement in Presence of Interharmonics
Jian Liu, Wei Zhao, Jianting Zhao +1
The presence of interharmonics in power systems can lead to asynchronous sampling, a phenomenon further aggravated by shifts in the fundamental frequency, which significantly degra…