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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 pedestrian navigation system not working properly and inertial sensors prone to failure

Active Publication Date: 2018-06-15
NANJING NORMAL UNIVERSITY
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  • Abstract
  • Description
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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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  • Pedestrian inertial navigation system and method assisted by machine learning algorithms and models
  • Pedestrian inertial navigation system and method assisted by machine learning algorithms and models
  • 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 explain.

[0059] like 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, the iner...

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Abstract

The invention discloses a pedestrian inertial navigation system and method assisted by machine learning algorithms and models and belongs to the field of inertia and combined navigation and the fieldof artificial intelligence. The method recognizes different types of gait characteristics of a human body by inertial / geomagnetic sensor components arranged at the feet of the human body and sensor components arranged at the other parts of the human body in a concentrated or distributed manner. The pedestrian inertial navigation system and method disclosed by the invention have the beneficial effects that different machine learning algorithms and models are adopted in a self-adaptive manner to train sensor information of the feet and other parts and realize the purpose of simulating the inertial sensor information at the feet by the sensor information at the other parts, so that real-time fault detection can be carried out on the pedestrian navigation system, and prediction can be carriedout in one gait period before the inertial sensors at the feet are in outrange; then the pedestrian navigation system is constructed by the system reconstruction principle on the basis of one or morevirtual inertial sensor information at the feet, so that the inertial pedestrian navigation function under the conditions of faults and outrange is realized.

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 Applications(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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