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Accelerometer calibration system based on hybrid topological structure

A technology of accelerometer and topological structure, applied in speed/acceleration/shock measurement, testing/calibration of speed/acceleration/shock measuring equipment, measuring devices, etc., can solve problems such as lack of network topology

Inactive Publication Date: 2020-12-22
WUHAN CITY VOCATIONAL COLLEGE
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] In order to solve the problem that the existing accelerometer calibration system lacks a reasonable network topology and a fast and efficient transmission medium, the present invention provides an accelerometer calibration system based on a hybrid topology

Method used

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  • Accelerometer calibration system based on hybrid topological structure

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Embodiment Construction

[0019] An accelerometer calibration system based on a hybrid topology, including a terminal part and a transmission medium part;

[0020] The terminal part includes three measured accelerometers, three standard accelerometers, six vibration velocity sensors, three temperature sensors, three humidity sensors, three air pressure sensors, three magnetic field sensors, ten wireless APs, two A differential amplifier, two Σ-Δ ADCs, two digital decimation filters, three data isolators, data collectors, servo amplifiers, baseline correction modules, storage servers, disk arrays, PCs, three excitation vibrator, three signal generators, three vibrating tables;

[0021] The transmission medium part includes an optical fiber, an infrared channel, a wireless universal serial bus, and the first to third LonWorks buses;

[0022] Among them, the output shafts of the three exciters are connected to the three vibration tables one by one; the first measured accelerometer and the first standard ...

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Abstract

The invention relates to an accelerometer calibration technology, in particular to an accelerometer calibration system based on a hybrid topological structure. The problem that an existing accelerometer calibration system is lack of a reasonable network topology structure and a rapid and efficient transmission medium is solved. The accelerometer calibration system based on the hybrid topological structure comprises a terminal part and a transmission medium part; the terminal part comprises three measured accelerometers, three standard accelerometers, six vibration speed sensors, three temperature sensors, three humidity sensors, three air pressure sensors, three magnetic field sensors, ten wireless APs, two differential amplifiers, two sigma-delta analog-to-digital converters, two digitaldecimation filters, three data isolators, a data collector, a servo amplifier, a baseline correction module, a storage server, a disk array, a PC, three vibration exciters, three signal generators andthree vibration tables. The system is suitable for accelerometer calibration.

Description

technical field [0001] The invention relates to an accelerometer calibration technology, in particular to an accelerometer calibration system based on a hybrid topology. Background technique [0002] The calibration of the accelerometer is an important link in the design, manufacture and use of the accelerometer. At present, the calibration of the accelerometer is mainly realized by the accelerometer calibration system. Under the existing technical conditions, due to the limitation of its own structure, the accelerometer calibration system generally lacks a reasonable network topology and fast and efficient transmission media, resulting in the widespread problems of unstable data transmission and poor real-time performance of data transmission. Affect the reliability of the calibration process. Based on this, it is necessary to invent an accelerometer calibration system based on a hybrid topology to solve the problem that the existing accelerometer calibration system lacks...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01P21/00
CPCG01P21/00
Inventor 宋晶于来宝姬庆玲李东卫璐张涛沙莉吴克兵徐洁云肖利
Owner WUHAN CITY VOCATIONAL COLLEGE
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