Product overview
The TLH-INS370D-26J from I-NAV Technology Co., Ltd. is an airborne strapdown inertial navigation and positioning system intended for unmanned aerial vehicles, flying robots, electro-optical pods and low-orbit satellites. It can combine inertial navigation, satellite navigation with RTK support, and vehicle information. A black aluminum-alloy housing measures 148.5 × 148.5 × 145.5 mm. Configuration features include a customizable serial output protocol and full-temperature-point compensation calibration, alongside power-on and periodic self-tests.
The system’s navigation specifications distinguish pure inertial operation from integrated navigation. Pure inertial navigation has a circular error probable (CEP) of 1.0 nautical mile over one hour. Integrated navigation has a positioning accuracy of 20 m at 1σ and a velocity accuracy of 0.1 m/s RMS. Heading accuracy is 4.5 arcminutes RMS, while horizontal attitude accuracy is 1.5 arcminutes RMS. Gyroscope bias stability is ≤ 0.03°/h at 1σ. The integrated positioning and velocity figures apply to integrated navigation operation.
Specifications
| Specification | Value & conditions |
|---|---|
| Pure inertial navigation | 1.0 nmile/1hCEP; pure inertial navigation |
| Integrated navigation | 20 m1σ; integrated navigation |
| Heading accuracy | 4.5′RMS |
| Horizontal attitude | 1.5′RMS |
| Integrated navigation velocity | 0.1 m/sRMS; integrated navigation |
| Gyroscope bias stability | ≤ 0.03°/h1σ |
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