Mehm inertial navigation with gyroscope drift accuracy of 1°/h is the industry product representative currently used in autonomous vehicles. Although this mems device is similar to the production line used in cheap devices used in mobile phones, its packaging and calibration error The test time and test equipment required for the parameters greatly increase the cost of the product, so that the sales price has remained high.
In addition, its core technology is only in the hands of a few companies represented by Norwegian Sensors, and the most advanced high-precision RTK GNSS receiver technology is also in the hands of a few companies represented by NovAtel. The price of NovAtel SPAN integrated navigation products is more than 200,000 yuan, and the cost is staggering.