High Performance Ground Truth GNSS+INS System
Built-in GNSS, IMU, and 4G.
Tightly coupled positioning and orientation technology.
Post-processed performance equivalent to fiber optic gyros.
Compatible with DVL and USBL functions.
The tightly integrated dual-antenna GNSS technology and tactical-grade IMU deliver continuous, reliable, high-precision position and attitude data, even in complex environments where GNSS signals are obstructed or lost.
The CGI-830 offers IMU performance comparable to fiber optic gyros. Combined with optimized parameter models, it ensures highly accurate post-processed POS data.
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-830 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-830 requires no additional wheel speed sensors and supports vehicle CAN odometer signals, enabling easy installation and quick transfer between vehicles, saving time and labor.
Self-Driving Vehicles Testing
Mining Haul Truck Navigation
Autonomous Ship Loading Systems
High Performance Ground Truth 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.
The CGI-830 package includes an integrated GNSS/INS receiver, two GNSS antennas, a 4G antenna, data cables, and product packaging.
The CGI-830 features a high-performance GNSS module 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-830 is equipped with a high-performance MEMS IMU and is fully compatible with NovAtel’s Inertial Explorer software through an optimized post-processing model.
Yes, the CGI-830 can be installed in a car. With CTCLIB2.0's multimodal adaptation function, it supports unique algorithm optimization for different vehicles. 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.
Yes, the CGI-830 includes an algorithm model designed for maritime use. It supports shipborne sensors such as DVL and USBL, and its heave correction algorithms meet the demands of both surface and underwater navigation and mapping
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