Vehicle-mounted navigation system and navigation method for assisting vehicle positioning in tunnel

• Main Author: HAN ZHIMING
• Format: Patent
• Language: Chinese; English
• Published: 29.04.2022
• Subjects: ANALOGOUS ARRANGEMENTS USING OTHER WAVES; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; GYROSCOPIC INSTRUMENTS; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES; MEASURING; MEASURING DISTANCES, LEVELS OR BEARINGS; NAVIGATION; PHOTOGRAMMETRY OR VIDEOGRAMMETRY; PHYSICS; RADIO DIRECTION-FINDING; RADIO NAVIGATION; SURVEYING; TESTING

The invention discloses a vehicle-mounted navigation system and a navigation method for assisting vehicle positioning in a tunnel, the navigation system comprises a vehicle navigation module and a vehicle body control module, the vehicle body control module is used for acquiring real-time driving data of a user vehicle; according to the real-time driving data of the vehicle, calculating a real-time moving distance per unit time in the driving process of the vehicle; and the vehicle navigation module is in communication connection with the vehicle body control module, and is used for acquiring the real-time moving distance of the vehicle, providing map data and dynamically calculating the moving distance of the vehicle on a map in combination with a map coordinate system in the map data after acquiring the real-time moving distance in unit time to obtain real-time simulation navigation. 本发明公开了一种隧道内辅助车辆定位的车载导航系统及导航方法，所述导航系统包括车机导航模块和车身控制模块，所述车身控制模块用于获取用户车辆的实时行车数据，并根据车辆实时行车数据计算车辆行车过程中单位时间的实时移动距离；所述车机导航模块与车身控制模块通讯