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A pedestrian inertial navigation system and method assisted by machine learning algorithms and models

An inertial navigation system and machine learning technology, applied in navigation, surveying and navigation, navigation and other directions through speed/acceleration measurement, can solve problems such as inertial sensors prone to failure and pedestrian navigation systems not working properly

Active Publication Date: 2022-03-15
NANJING NORMAL UNIVERSITY
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

In addition, the inertial sensor is prone to failure when the human body is in violent motion. Once a failure occurs, the entire pedestrian navigation system will not work properly.

Method used

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  • A pedestrian inertial navigation system and method assisted by machine learning algorithms and models
  • A pedestrian inertial navigation system and method assisted by machine learning algorithms and models
  • A pedestrian inertial navigation system and method assisted by machine learning algorithms and models

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Embodiment Construction

[0057] Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail:

[0058] Those skilled in the art can understand that, unless otherwise defined, all terms (including technical terms and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It should also be understood that terms such as those defined in commonly used dictionaries should be understood to have a meaning consistent with the meaning in the context of the prior art, and will not be interpreted in an idealized or overly formal sense unless defined as herein Explanation.

[0059] Such as figure 1 As shown, the present invention proposes a pedestrian inertial navigation system assisted by machine learning algorithms and models, and the pedestrian navigation system includes inertial / geomagnetic sensor components and multiple sets of sensor components. Among them, t...

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Abstract

The invention discloses a pedestrian inertial navigation system and method assisted by a machine learning algorithm and a model, belonging to the field of inertial and integrated navigation and the field of artificial intelligence. The method recognizes different types of gait characteristics of the human body through inertial / geomagnetic sensor components installed on human feet, and sensor components installed centrally or distributed on other parts of the human body. Adaptively adopt different machine learning algorithms and models to train the sensor information of the foot and other parts, and realize the purpose of simulating the inertial sensor information of the foot through the sensor information of other parts, so that real-time fault detection can be performed on the pedestrian navigation system, and It can predict within a gait cycle before the foot inertial sensor exceeds the range, and then based on one or more virtual foot inertial sensor information generated by simulation, the pedestrian navigation system can be constructed through the principle of system reconstruction to realize fault and overshooting. Inertial Pedestrian Navigation Function in Range Conditions.

Description

technical field [0001] The invention relates to a pedestrian inertial navigation system and method assisted by machine learning algorithms and models, belonging to the fields of inertial and integrated navigation and artificial intelligence. Background technique [0002] Pedestrian navigation is an important branch in the field of navigation and localization. The pedestrian navigation system can determine and monitor the position of the individual and the movement state of the human body in real time, thereby effectively improving the rapid response capabilities of military combatants and emergency search and rescue personnel, and providing real-time and accurate positioning information of pedestrians in the civilian context. And civilian application prospects. [0003] Pedestrian navigation technology based on inertial technology began in the 1990s and is mainly used in future soldier systems in developed countries such as the United States. Pedestrian navigation systems i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01C21/16G01C21/08
CPCG01C21/08G01C21/165
Inventor 钱伟行古翠红熊智谢非曾庆化王云涛杨淑琴张振宇陈欣刘旭东马云
Owner NANJING NORMAL UNIVERSITY
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