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In today's booming development of autonomous driving, drones, and robotics technology, high-precision and highly reliable navigation systems have become the core "brain" of intelligent devices. The MEMS inertial technology combined with dual antenna satellite navigation system I3700 launched by Micro-Magic Inc utilizes high-precision MEMS gyroscopes, accelerometers, and multi-mode multi frequency GNSS receivers to achieve fast and high-precision orientation and integrated navigation functions. It real-time calculates the position, heading, attitude, velocity, and other information of the carrier, resists obstruction and multipath interference, and achieves long-term, high-precision, and high reliability navigation in mountainous tunnels, urban canyon environments, automobiles, high-speed railways, and other areas. Support GNSS real-time RTK function, provide standardized user universal protocol, and have good scalability. Provide convenient navigation solutions for multi domain applications in all scenarios. At the same time, the I3700 has passed IP68 protection and CE certification, and can still work normally in harsh environments, meeting the requirements of industrial grade reliable design.
To solve the problem of large errors in attitude calculation, an attitude calculation system based on array MEMS-IMU data fusion is proposed. The multi-information vector optimization method is used to fuse the data of the array MEMS-IMU, and the dynamic Kalman filtering method is used to calculate the attitude of the moving carrier. Improve attitude calculation capability to a higher level of accuracy in complex dynamic movements.
Built in dual antenna positioning and directional GNSS module, supporting all major satellite navigation systems worldwide, capable of high-precision and fast positioning and orientation. Simultaneously compatible with all frequency points, ensuring optimal positioning performance at any location worldwide. The built-in satellite receiver has strong anti-interference ability and can still provide accurate positioning in complex electromagnetic environments.
Inertial + GNSS navigation technology combined with self-developed high-precision integrated navigation algorithm achieves a horizontal positioning accuracy of 0.8cm+1ppm and a heading accuracy of 0.2°. Even if GNSS signals are temporarily lost (such as in tunnels or underground garages), stable navigation data can still be continuously output through inertial sensors (gyroscope zero bias stability of 2.5°/h, acceleration zero bias of 30μg). At the same time, multi-source data fusion algorithms support external odometry, DVL and other auxiliary sensors to enhance localization robustness in complex environments.
Full interface coverage supports RS232/422, CAN (SAE J1939), PPS synchronization signals, compatible with 4G DTU differential access, easy to interface with external devices such as LiDAR and cameras. Output NMEA, RTCM, binary protocols, and J1939 standard messages, with diverse protocols to meet industrial and vehicle communication needs.
The plug and play (PnP) mode makes usage more flexible, with default configurations adapted to mainstream scenarios and support for one click setting of working modes (onboard, shipborne, aircraft, base station). A user-friendly development interface that supports real-time data recording and visual debugging, shortening the integrated development cycle
1. Drones and unmanned vehicles: In logistics distribution and inspection operations, the I3700 provides centimeter level positioning and stable attitude output to ensure precise control in complex paths.
2. Smart agriculture: combined with agricultural machinery auto drive system, the navigation error between ridges is less than 2cm, greatly improving the efficiency of sowing and fertilization.
3. Ocean exploration and unmanned ships: IP68 protection design to cope with humid salt spray environments, dual antenna directional function to ensure ship heading accuracy, and assist in hydrological surveying and scientific research tasks.
4. Industrial robots: In the scenarios of warehouse AGV and factory handling, millimeter level motion trajectory tracking is achieved by coordinating with external devices through synchronous input and output functions.
I3700 provides multiple interface versions (MI0/MI1/MI2) to meet the needs of different industries. Standard development kit and detailed technical documentation, supporting customized services. It can connect to CORS stations such as Qian Xun and Mobile, or build its own RTK reference station to achieve high-precision service coverage nationwide.
The I3700 accurately measures the world and controls the future with reliability. Whether you are a developer chasing the forefront of technology or a practitioner deeply involved in the industry, the I3700 will become your reliable partner for exploring intelligent navigation.
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