A medical centrifuge speed calibration method based on multiple acceleration sensors

The use of multiple acceleration sensors on a centrifuge body for signal integration and interference elimination addresses the inaccuracies in existing laser vibrometer-based calibration, achieving precise speed measurement.

CN118883980BActive Publication Date: 2024-12-13深圳天溯计量检测股份有限公司
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Patent Information

Application Number
CN202411367751.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-09-29
Publication Date
2024-12-13
Estimated Expiration
2044-09-29

AI Technical Summary

Technical Problem

Existing medical centrifuge calibration methods using non-contact laser vibrometers face inaccuracies due to vibration interference from factors like base boundary and resonance, leading to distorted signal analysis, especially under low-speed conditions, making precise speed measurement challenging.

Method used

A method utilizing multiple acceleration sensors positioned differently on the centrifuge body to process and integrate their signals, eliminating interference by determining phase differences and superimposing signals to obtain accurate vibration data, enabling precise rotation speed calibration.

Benefits of technology

The method enhances the accuracy and efficiency of medical centrifuge speed calibration by integrating acceleration signals from multiple sensors, reducing interference and improving measurement precision.

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Abstract

The present application provides a medical centrifuge speed calibration method based on multiple acceleration sensors, which belongs to the field of medical equipment technology. The method includes: a controller obtains a first response signal obtained by a first sensor and a second response signal obtained by a second sensor; the controller determines the phase difference between the setting direction of the first sensor and the setting direction of the second sensor based on the first response signal and the second response signal; the controller performs data processing on the first response signal and the second response signal based on the phase difference, and obtains a target vibration signal after eliminating interference data according to the result of the data processing; the controller determines a target speed based on the target vibration signal, and calibrates the rotation data of the centrifuge body based on the target speed. The present application also provides a medical centrifuge speed calibration system based on multiple acceleration sensors, an electronic device, and a computer-readable storage medium.
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