Size Optimization of Sensitive Elements of an Electric Induction Disk of Electric Field Strength Sensor

Abstract

The protection of biological and technical objects from exposure to electric fields is relevant. To control this effect, electric field sensors are required. The purpose of the study is to minimize the error of a known sensor and to expand the spatial range of measurements by optimizing its sensitive elements. The constructive and mathematical models of a disk sensor of electric field strength are designed in this work. The methods for calculating electrostatic fields are used to study a single-axis electro-induction disk sensor of radius $R$ with sensitive elements in the form of circles of radius r, and an estimate of the calculation error due to field inhomogeneity is given. It is shown that the maximum of this error, depending on the size of the sensitive elements, can be less than 3% at distances to the field source less than R, which allows us to design qualitatively better sensors used in various measuring systems of wide application