Magnetostrictive displacement sensor calibration method, system, device, and storage medium

A magnetostrictive displacement sensor calibration system, comprising a magnetostrictive displacement sensor, a microprocessor, a laser interferometer, an upper computer and a time converter;

• wherein the upper computer is connected to the laser interferometer and the microprocessor, the magnetostrictive displacement sensor is connected to the time converter, and the time converter is connected to the microprocessor;
• the laser interferometer is configured for performing displacement marking during range segmentation of the magnetostrictive displacement sensor;
• the upper computer is configured for reading an amount of displacement marking of the laser interferometer to obtain each sub-range and writing each sub-range into the microprocessor;
• the time converter is configured for marking a start moment and an end moment of each sub-range based on instructions to start timing sent by the microprocessor;
• the microprocessor is configured for:
• obtaining all sub-ranges after a range of the magnetostrictive displacement sensor is segmented;
• obtaining the start moment and the end moment of each sub-range to obtain a time region of each sub-range;
• determining a target time region of a current moment, and calculating to obtain a calibration speed of a target sub-range based on a target start moment, a target end moment and a target sub-range of the target time region;
• calculating a first displacement on the target sub-range based on the calibration speed, the current moment and the target start moment;
• and
• accumulating the first displacement with all sub-ranges before the target sub-range to obtain a displacement of the current moment;
• wherein obtaining all the sub-ranges after the range of the magnetostrictive displacement sensor is segmented comprises:
• determining a start position of the magnetostrictive displacement sensor for segmenting the range of the magnetostrictive displacement sensor;
• predetermining a displacement length of each sub-range;
• using the start position as a start point to start to move a non-contact magnetic ring of the magnetostrictive displacement sensor;
• and
• performing displacement marking when a movement distance of the non-contact magnetic ring reaches the displacement length of each sub-range, to segment the range of the magnetostrictive displacement sensor, to obtain each sub-range by marking.