At the launch conference of Huawei P10, Yu Chengdong spent a lot of time introducing the functions of HUAWEI Geo and introducing inertial navigation as a core function. We realized that the positioning and navigation experience of mobile phones will be a new breakthrough point for mobile phone differentiation. People are increasingly relying on mobile phone navigation while driving and walking. The mobile navigation experience has increasingly become the hardest hit area: there are no GPS signals in urban canyons or under high-rises, tunnels, parking garages, etc. Leading to the misreporting of the broadcast, only after the crossroads prompted to turn, should the left turn or the right turn when exiting the tunnel? ... such road navigation problems are performed every day. In order to break through the above difficulties, InvenSense will cooperate with internationally renowned mobile phone brands and almost all map manufacturers. After several years of algorithm research and improvement, the IPL (InvenSense PosiTIoning Library) inertial navigation algorithm is well-known with many models. The launch of the main flagship machine is improving day by day.
Urbanization leads to complicated road conditions, and the inertia is just neededIf one sentence is used to interpret the advantages of inertial navigation, it is to fit the data of IMU inertial sensor (accelerometer + gyroscope) under the condition that the signal of GNSS (global satellite navigation system, such as GPS, Beidou, Galileo) is not credible. , giving changes in direction and speed to achieve navigation. IPL (InvenSense PosiTIoning Library) is the integration of GPS + inertial sensor (accelerometer + gyroscope) and other hardware data, through complex fitting and policy judgment, real-time calculation of the optimal positioning results, thereby achieving a significant increase in positioning and navigation accuracy.
Figure 1 - InvenSense IPL algorithm makes continuous precision navigation possible
Considering the portability of mainstream systems, IPL is provided in the form of a library from the beginning of the design, which can be easily embedded into the Android system. At the same time, this architecture is also convenient for future use and porting of other systems such as Linux, thereby widely covering mobile phones. , car navigation, T-box and other products.
Match map road network information, IPL latest version further improves accuracyAt present, InvenSense has reached an in-depth cooperation with two leading map suppliers in China to match the IPL with the road network information in the map application (Map Matching), solving the yaw problem of the navigation route caused by the inertia error of the IMU, and correcting the car. The short-term pause is delayed, and the GPS signal drift is improved, so that the road network information is sent to the customer in the application of navigation, the user experience is further improved, and the mapping manufacturer FLP business is implemented and differentiated in the mobile phone manufacturer.
Based on mobile phones, launch new applications and lay out the futureAfter several generations of IPL algorithms have been successfully used and continuously improved on many well-known flagship mobile phones such as Mate8, Mate9, P9, P10, P10 plus, and auxiliary navigation has become one of the most important user experiences and one of the most intimate micro-innovation hotspots. And will certainly lay a solid technical foundation for the revolutionary indoor navigation application. At the same time, InvenSense is actively deploying a variety of future applications. Coursa Sports, a cloud application for the wearable market, and Coursa Retail, a consumer behavior analysis based on location and user trajectory, are already emerging overseas. At the moment, IPL has begun to play an important role in car navigation. In the near future, when the car navigation system is in the tunnel, you will hear a direct reminder: "The GPS signal is weak, IPL guides you!"
About InvenSense (Ying Meisheng)About InvenSense
Yingmeisheng Co., Ltd. (NYSE: INVN) is the world's leading provider of MEMS sensor platforms. The Sensing EverythingTM vision targets the consumer electronics and industrial markets, providing users with integrated motion and sound solutions. The company's solution combines MEMS (Micro Electro Mechanical Systems) sensors such as accelerometers, gyroscopes, compasses, and microphones with proprietary algorithms and firmware that intelligently process, synthesize, and calibrate sensor outputs for optimal performance and accuracy. Yingmeisheng's motion tracking, audio and location platforms and services can be used in mobile devices, wearables, smart homes, industrial, automotive and IoT products. Yingmeisheng is headquartered in San Jose, California, with offices all over the world. For more information, please visit. If you want to seek cooperation directly, please send an email to the professional staff to discuss business with you.
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