Intelligent Driving
When the vehicle is driving in the tunnel, under the viaduct, urban canyon or sheltered road section, the satellite navigation signal is vulnerable to interference such as blocking and reflection, resulting in positioning failure, which brings severe challenges to the auto drive system.
At this point, the core value of inertial sensors is highlighted - they can work independently without satellite signals, continuously output high-precision position, velocity, and attitude information, ensure uninterrupted operation of navigation systems, and build a "safety line" for autonomous driving.
As a fully autonomous navigation technology that does not rely on external information, inertial navigation is becoming a core standard sensor in the field of autonomous driving. After being equipped with high-precision MEMS IMU modules, the system can combine vehicle kinematic models to fuse and solve data such as three-axis acceleration and three-axis angular velocity output by sensors. Regardless of whether the external environment is complex, it can provide high update rate, high precision, and high reliability pose information for autonomous driving controllers.
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