Tightly Coupled Automotive Grade GNSS/INS System
Highest positioning accuracy in complex scenarios.
Starry Sky RTK for stability, reliability, and high precision.
Support gPTP, PPS, UDS diagnostics and fault messaging.
100Base-T1 automotive Ethernet communication.
The tightly integrated dual-antenna GNSS technology and IMU deliver continuous, reliable, high-precision position and attitude data, even in complex environments where GNSS signals are obstructed or lost.
The CGI-230 supports fast batch configuration through instruction injection and upgrade capabilities that include CANFD/Ethernet and DoCAN/DoIP protocols.
The fast algorithm minimizes latency, allowing data to be used, shared, and exported in real-time. The GNSS, multipath, and anti-jamming algorithms, powered by the tightly coupled CTCLIB2.0 engine, enhance positioning accuracy in challenging environments.
During initial installation, only the lever arm value and mounting angle need calibration. The CTCLIB2.0 algorithm automatically estimates errors and compensates them in the data output, ensuring optimal accuracy.
Designed for versatility, the CGI-230 supports multiple data interaction modes. It is easy to configure, with data output available via interfaces or internal storage, ensuring high-precision positioning across various working environments.
The CGI-230 requires no additional wheel speed sensors and supports vehicle CAN odometer signals, enabling easy installation and quick transfer between vehicles, saving time and labor.
Automotive
Unmanned Vehicles
Robotics
Tightly Coupled Automotive Grade GNSS/INS System
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CTCLIB2.0 is CHCNAV's second-generation tightly coupled algorithm platform. It integrates inertial data from the INS with satellite positioning data from the GNSS to enhance positioning accuracy and reliability. This tightly coupled approach enables the system to deliver precise position and velocity information, even when GNSS signals are weak or lost, improving navigation performance in challenging environments. After extensive testing over millions of kilometers, CTCLIB2.0 offers a higher ambiguity resolution rate, smoother trajectories, and more reliable positioning compared to loosely coupled algorithms.
Yes, the CGI-230 can be installed in a car. With CTCLIB2.0's multimodal adaptation function, it supports unique algorithm optimization for different platforms. Before use, simply select the appropriate mode to meet the application requirements of various autonomous driving systems.
GNSS/INS systems provide highly accurate position, attitude, velocity, and time data, forming the basis for vehicle navigation and ADAS operation. This data supports functions like autonomous driving, lane keeping, and automatic emergency braking, serving as a reliable foundation for system optimization.
The CGI-230 features a high-performance GNSS chip and IMU, providing advanced tightly coupled algorithms and enhanced POS post-processing capabilities. CHCNAV offers custom protocols such as $GPCHCX and $HCINSPVAZCB, which deliver accurate real-time or post-processed information on position, attitude, velocity, and time.
The CGI-230 package includes an integrated GNSS/INS receiver, two GNSS antennas, data cables, and product packaging.
CGI-230 is configured and queried by commands that can be sent via serial or network interface. The device supports multiple command input and multiple command detection.
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