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Vehicle navigation method, device, device and storage medium

A vehicle navigation and vehicle technology, applied in the field of navigation, to achieve the effect of facilitating popularization and promotion

Active Publication Date: 2021-03-19
THE CHINESE UNIV OF HONG KONG SHENZHEN +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Based on this, it is necessary to provide a vehicle navigation method, device, device and storage medium that can be low-cost and easier to popularize and promote in view of the above-mentioned technical problem of limited INS expansion

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  • Vehicle navigation method, device, device and storage medium
  • Vehicle navigation method, device, device and storage medium
  • Vehicle navigation method, device, device and storage medium

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Embodiment Construction

[0039] In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application.

[0040] Since the INS has an inertial measurement unit (IMU), it is composed of a three-axis acceleration sensor and a three-axis gyroscope sensor. Therefore, the INS can continuously output high-rate navigation results (ie, the vehicle's position, velocity, and attitude) without being affected by the environment. However, IMU data is often polluted by bias, scale factor errors, and some random errors, resulting in calculated position errors that accumulate larger and larger over time, so INS is often used together with GPS to make up for their shortcomings, and because INS...

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Abstract

The invention relates to a vehicle navigation method, device and equipment, and a storage medium. When the update time of a navigation system has arrived and GPS information is not detected, whether the update time of a learning unit model has arrived is further judged, and when the update time of the learning unit model has arrived, the learning unit model is started, so that the speed and a yawangle of a vehicle in the horizontal direction are corrected through the learning unit model; and when the update time of the learning unit model has not arrived, the yaw angle of the vehicle is compensated according to a yaw angle correction value of the vehicle. Therefore, when no GPS information exists, the vehicle is subjected to high-accuracy navigation through sensor data of intelligent equipment and the learning unit model, the low-cost and high-accuracy navigation system is built through a Kalman filter, the learning unit model and the existing intelligent equipment, and popularizationand promotion are facilitated.

Description

technical field [0001] The present application relates to the technical field of navigation, in particular to a vehicle navigation method, device, equipment and storage medium. Background technique [0002] With the development of navigation technology, land vehicle positioning and navigation technology has been widely used in many different applications, including cargo tracking, autonomous driving systems, route planning, vehicle scheduling, driving behavior analysis, and other location-based services . This technology can be realized through the global positioning system (GPS), in which the GPS unit in the vehicle can tell the position, speed and other information of the vehicle by receiving signals from at least four satellites. [0003] However, GPS interruptions may occur due to blockage of satellite signals. In order to ensure reliable positioning during GPS outages, an inertial navigation system (INS for short) is usually used as a supplement to GPS. Because the a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01C21/20G01S19/48
CPCG01C21/20G01S19/48
Inventor 尹峰齐佳惠李航崔曙光艾渤
Owner THE CHINESE UNIV OF HONG KONG SHENZHEN