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A real-time differential compensation method for electric field sensor temperature drift and time drift

A technology of electric field sensor and temperature drift, applied in the direction of electrostatic field measurement, etc., can solve the problems of poor repeatability of the sensor, irregular zero time drift, difficult real-time compensation, etc.

Active Publication Date: 2017-03-22
BEIJING TFLYING TRANSDUCER TECH CO LTD
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AI Technical Summary

Problems solved by technology

However, since the output of the sensor does not have good repeatability with temperature changes, and there is an irregular zero time drift, it is difficult to achieve effective real-time compensation

Method used

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  • A real-time differential compensation method for electric field sensor temperature drift and time drift
  • A real-time differential compensation method for electric field sensor temperature drift and time drift

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Embodiment Construction

[0010] The specific embodiments of the present invention will be described below in conjunction with the accompanying drawings, the core of which is to use the electric field measurement unit and the reference unit and process their signals, and different implementation schemes can be used in practical applications.

[0011] see figure 1 , the structure of the electric field sensor using the real-time differential compensation method exemplified by the present invention mainly includes an electric field measurement unit 1, a reference unit 2, a substrate 3 and a substrate 4, and its arrangement can be as follows: the electric field measurement unit 1 and the reference unit 2 Placed on the same side of the substrate 3 or on two opposite sides, the electric field measurement unit 1 and the reference unit 2 can also be placed on the opposite sides or the same direction on the substrate 3 and the substrate 4 respectively. Wherein, the electric field measurement unit and the refere...

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Abstract

The invention discloses a temperature drift and time drift real-time difference compensation method for an electric-field sensor. The method includes the following steps: (1) the electric-field sensor includes at least one electric-field measurement unit and at least one electric-field reference unit. The reference unit is used for compensating for the temperature drift and time drift of the electric-field sensor. (2) the compensation is performed mainly through performing difference on output signals of the electric-field measurement unit and output signals of the electric-field reference unit to calculate difference output of the electric-field sensor; (3) according to the difference output and calibration parameters of the electric-field sensor, the intensity of a tested electric field is calculated. The temperature drift and time drift real-time difference compensation method for the electric-field sensor aims at solving a key problem of temperature drift and time drift caused by temperature in the practical application of an electric-field sensor. Therefore, a drift real-time compensation method which is effective and convenient to use is provided.

Description

technical field [0001] The invention relates to the field of electric field detection, in particular to a real-time differential compensation method for temperature drift and time drift of an electric field sensor. Background technique [0002] Electric field monitoring is of great significance. According to the characteristics of atmospheric electric field changes, the use of electric field sensors to monitor the electric field strength in space areas or around equipment has very important applications in aerospace, national defense, smart grid, meteorology, and industrial production. With the help of electric field sensors to monitor the changes of near-ground and air atmospheric electrostatic fields, accurate meteorological information can be obtained, thereby providing important safety guarantees for the launch of missiles and satellites and other aircraft, as well as lightning warnings, forest fire prevention, and earthquake forecasts Wait. [0003] With the rapid dev...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R29/12
Inventor 彭春荣闻小龙杨鹏飞方东明夏善红
Owner BEIJING TFLYING TRANSDUCER TECH CO LTD
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