Study on the Method of Charge Accumulation Suppression of Electrostatic Suspended Accelerometer.

Jiefeng Dai, Wenrui Wang, Bin Wu, Lingyun Ye, Kaichen Song

Abstract read

In one paragraph

Article in Sensors (Basel, Switzerland), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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5 · Who and what money

Authors and funding

5 authors.

Jiefeng DaiCollege of Biomedical Engineering and Instrument Science, Zhejiang University, Hangzhou 310027, China.

Wenrui WangSchool of Aeronautics and Astronautics, Zhejiang University, Hangzhou 310027, China.

Bin WuCollege of Biomedical Engineering and Instrument Science, Zhejiang University, Hangzhou 310027, China.ORCID 0000-0001-9401-219X

Lingyun YeCollege of Biomedical Engineering and Instrument Science, Zhejiang University, Hangzhou 310027, China.

Kaichen SongSchool of Aeronautics and Astronautics, Zhejiang University, Hangzhou 310027, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Electrostatic suspended accelerometers (ESAs) are widely used in high accuracy acceleration measurement. However, there exist accumulated charges on the isolated mass which damage the accuracy and the stability of ESAs. In this paper, we propose to apply actuation voltage with a combined waveform to suppress the acceleration noise due to deposited charge. A model of the electrostatic force on the mass is established and the deviation voltage is found to be the dominant source of charge noise. Based on the analysis of disturbance electrostatic force under DC and AC signals, actuation combined with DC and AC voltage is designed and the disturbance force due to charge can be suppressed through adjustment towards the duty cycle of different compositions. Simulations and experiments are carried out and the results indicate that the disturbance due to charge can be suppressed up to 40%, which validates the efficiency of the scheme.

Indexed as

acceleration noise suppressioncharge accumulationcharge noisecombined waveformelectrostatic suspended accelerometer

Identifiers

PMID35808419

DOI10.3390/s22134930

PMCPMC9269488

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.