Inclination angle sensor calibration method based on one-dimensional rotary mounting table calibration device

A technology of an inclination sensor and a calibration device, which is applied in the field of sensor calibration, can solve the problems of difficulty in meeting the calibration work of high-precision inclination sensors, difficult operation, complicated procedures, etc., and achieves reliable operability, strong operability, and high operability. Effect

Active Publication Date: 2020-12-01
ZHEJIANG UNIV OF TECH
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Problems solved by technology

[0002] The inclination calibration process of the inclination sensor is an important and indispensable link before it is used. The conventional calibration method has poor accuracy, difficult operation and cumbersome procedures, and it is difficult to meet the calibration work of the required high-precision inclination sensor.

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  • Inclination angle sensor calibration method based on one-dimensional rotary mounting table calibration device
  • Inclination angle sensor calibration method based on one-dimensional rotary mounting table calibration device
  • Inclination angle sensor calibration method based on one-dimensional rotary mounting table calibration device

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Embodiment Construction

[0033] The present invention will be further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the said scope.

[0034] Such as Figure 1-3 As shown, a method for calibrating an inclination sensor based on a calibration device for a one-dimensional rotating mounting table, wherein the device used for calibrating the inclination sensor includes a complete machine housing and a dedicated control software system 9, and the complete machine housing includes an upper housing 2 and a set The lower case 3 at the bottom of the upper case 2, the upper case 2 and the lower case 3 are fixedly connected by bolts, the top of the upper case 2 is provided with a rotating mounting table 1, and the rotating mounting table 1 is provided with a set of angles to be calibrated The threaded through hole 12 that inclination sensor is installed, and its center is provided with the first boss 11, and the center of the fir...

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Abstract

The invention discloses an inclination angle sensor calibration method based on a one-dimensional rotary mounting table calibration device, and relates to the field of sensor calibration. The methodcomprises the steps of 1 preparing before inclination angle sensor calibration; 2 randomly selecting a plurality of groups of test points on a rotary mounting table, randomly selecting one test pointin each group, deflecting the rotary mounting table by 180 degrees through a special control software system to obtain the other test point, and obtaining the measurement value of the inclination angle sensor of each group of test points; 4 processing data and calculating calibration parameters; according to the data analysis model established in the step 3, carrying out linear fitting on the multiple groups of test data by adopting a least square method to acquire a linearity error coefficient k and a temperature offset coefficient b, and substituting the linearity error coefficient k and thetemperature offset coefficient b into the relational expression of the true value and the measured value in the third step to acquire a calibration mathematical model and complete calibration work. The method has the advantages of being high in precision, high in operability and high in efficiency.

Description

technical field [0001] The invention relates to the field of sensor calibration, in particular to a calibration method of an inclination sensor based on a calibration device of a one-dimensional rotating mounting table. Background technique [0002] The inclination calibration process of the inclination sensor is an important and indispensable link before it is used. The conventional calibration method has poor accuracy, difficult operation and cumbersome procedures, and it is difficult to meet the calibration work of the required high-precision inclination sensor. Contents of the invention [0003] In view of the problems existing in the prior art, the purpose of the present invention is to provide a calibration method of an inclination sensor based on a one-dimensional rotating mounting table calibration device, which has the characteristics of high precision and strong operability. [0004] A calibration method for an inclination sensor based on a one-dimensional rotati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C9/00G01C9/02G01C9/06G01C25/00
CPCG01C9/00G01C9/02G01C9/06G01C25/00G01C2009/066
Inventor 王扬渝郭盛浩陈珍珍余清李亚飞谭镕吴沺沺周姝窈蔡姚杰
Owner ZHEJIANG UNIV OF TECH
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