Multi-target six-freedom-degree electromagnetic positioning device and method

Abstract

The invention relates to a multi-target six-freedom-degree electromagnetic positioning device and method, and belongs to an electromagnetic positioning device and method, The device consists of a signal transmitting unit, a signal receiving unit, and a control and data processing unit. According to the positioning demands, the number of signal receiving sensors is selected, and the selected signal receiving sensors are fixed on a positioning target, and generate receiving signals through electromagnetic induction. The control and data processing unit receives a sampling signal, and executes an electromagnetic positioning algorithm. The device solves a problem that a conventional device is poorer in the tracking and positioning of a target moving in a large area in a space, optimizes the positioning method, simplifies a circuit, improves the positioning efficiency, and solves a problem of an error caused by the mutual impact of the position parameter and posture parameter solving processes during six-freedom-degree solving.

Description

technical field [0001] The invention relates to an electromagnetic positioning device and a positioning method, in particular to an electromagnetic positioning device which supports simultaneous operation of multiple signal receiving sensors and an electromagnetic positioning method for solving the target position and attitude in parallel. Background technique [0002] With the continuous development of science and technology, positioning technology is widely used in auxiliary medical care, human-computer interaction, motion detection and analysis and other fields. During the movement of the human body, the limbs will rotate, bend and other actions, and the positioning target may be occluded by other parts of the body. These problems make the research have high requirements for positioning technology. Compared with ultrasonic, photoelectric and other positioning devices, the device designed based on the six-degree-of-freedom electromagnetic positioning technology has the adv...

AI Technical Summary

Problems solved by technology

[0004] The invention provides a multi-target six-degree-of-freedom electromagnetic positioning device and method to solve the problem that the existing electromagnetic positioning device is limited to a single target and has poor tracking and positioning capabilities for targets moving in a large range in space

The optimal positioning method is adopted, the circuit is simplified, the positioning efficiency is improved, and the problem of error caused by the mutual influence of position parameters and attitude parameters during the solution process of six degrees of freedom is solved.

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