Sequential Calibration Method of Nonlinear Errors of PIGA on Counter-Rotating Platform Centrifuge
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2020.3022441
Abstract: This article proposes a new method for calibrating nonlinear errors of pendulous integrating gyro accelerometer (PIGA) on the precision centrifuge with a counter-rotating platform, which can provide both constant and harmonic input accelerations. First, by… read more here.
Keywords: calibration; centrifuge; counter rotating; nonlinear errors ... See more keywords
Geometrical misalignment-induced nonlinear error in homodyne interferometers.
Sign Up to like & getrecommendations! Published in 2024 at "Optics express"
DOI: 10.1364/oe.527440
Abstract: This paper discusses the generation of a novel periodic nonlinear error in homodyne interferometers due to geometric misalignments. These misalignments arise from cumulative assembly errors among the sensor head interior, target mirror, test platform, and… read more here.
Keywords: homodyne interferometers; nonlinear errors; nonlinear error; error homodyne ... See more keywords
Nonlinear errors induced by intermodulation in heterodyne laser interferometers.
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DOI: 10.1364/ol.42.000427
Abstract: A striking abnormal harmonic is detected in the measurement signal spectrum of a heterodyne laser interferometer, which deviates from the conventional frequency-domain model. A nonlinearity model based on intermodulation is proposed to explain this abnormality… read more here.
Keywords: nonlinear errors; errors induced; heterodyne laser; intermodulation ... See more keywords