Satellite Integrated Navigation System
BTSTC-70S integrated navigation system is based on three-axis high-precision fiber optic gyroscope, quartz flexible accelerometer and high-
precision satellite positioning device. It can realize high-precision measurement of attitude, velocity and position of moving carrier.
Composition
♦ 70 three-axis integrated fiber optic gyroscope
♦ Quartz flexible acceleration
♦ IF conversion circuit, navigation computer
♦ Satellite navigation receiver
♦ Satellite signal receiving antenna
♦ Interface board
♦ Power supply
♦ 2 GNSS measurement antennas and connecting wires
Technical specifications
Measuring range | Range of heading angle | 0° ~ 360° |
Pitch angle range | ±90° | |
Roll angle range | ±180° | |
Range of angular velocity measure- ment | ±500°/s | |
Acceleration measurement range | ±20g | |
Alignment time | GNSS orientation is effective | ≤1min |
GNSS orientation is invalid | ≤5min | |
Self-alignment accuracy | Course angle alignment accuracy | ≤ 0.1 ° * sec (Lat) (1σ, Lat local latitude) |
Attitude angle alignment | ≤0.01°(1σ) | |
Alignment accuracy of integrated navigation | Course angle alignment accuracy | ≤ 0.1 ° (1σ,baseline length ≥ 2 m) |
Attitude angle alignment | ≤0.02°(1σ) | |
Pure inertial navigation accura- cy, 1H | Position accuracy | ≤2nmile/h(CEP) |
Velocity accuracy | ≤1.2m/s(RMS) | |
Course angle maintenance | ≤0.02°(1σ) | |
Attitude angle maintenance | ≤0.01°(1σ) | |
Integrated navigation accuracy | Single point positioning | Level ≤ 3m, elevation ≤ 5m (RMS) |
RTK auxiliary positioning accuracy | Level ≤ 2cm, elevation ≤ 5 cm (RMS) | |
Velocity accuracy | ≤0.03m/s(RMS ,PDOP≤4) | |
Course angle accuracy | ≤0.03°(1σ) | |
Attitude accuracy | ≤0.01°(1σ) | |
Gyroscope performance | Zero bias stability | ≤ 0.05 °/H (1σ, 10s smooth) |
Zero bias stability | ≤ 0.015 °/H (1σ, 100s smoothing) | |
Zero-bias repeatability | ≤0.015°/h(1σ) |
Accelerometer performance | Zero bias stability | ≤ 0.15 mg (1σ, 10s smooth) |
Zero bias stability | ≤ 0.05mg (1σ, 100s smoothing) | |
Zero-bias repeatability | ≤0.05mg(1σ) | |
Other indicators | Power supply | 12V-36VDC |
Power consumption | Steady-state power consumption ≤ 20W, Tran- sient power consumption ≤ 40W | |
Weight | ≤3kg | |
Overall dimensions | 150mm × 150mm × 120mm | |
Installation dimensions | 137mm×137mm(4×φ6.5mm) | |
Number of antennas | Two GNSS antennas |
About us
Beijing Telecompass Space Technology Co., Ltd. (BTSTC) is one of the leading comprehensive suppliers in the field of space industry with aerospace electronic products, TT&C system solutions and Micro-Nano Satellite solutions, including aerospace components, aircraft & ground electronic terminals, optical terminals and related test equipment.
BTSTC is committed to providing customers with one-stop services from R&D, production to testing and delivery, the Company maintains a deep understanding of the technologies and applications of wireless data chain products, has undertaken a number of national pre-research topics and model tasks, while providing overseas customers with high reliability products and professional support services. Its products are widely used in aerospace, defense, industry, intelligent manufacturing and other sectors.
In the field of aerospace applications, measurement and control transponders, high-speed data transmitters and other equipment developed by BTSTC have participated in a number of major state-level projects led by China Aerospace Science and Technology Corporation, China Aerospace Science & Industry Corporation, etc., and the Company has accumulated a wealth of practical engineering experience, enhanced the maturity of products. In the field of military defense, the wireless communication products provided by BTSTC provide security for highly classified projects such as single pawn data communication, command and location information perception in a complex ground environment. In the field of industrial technology, navigation receivers based on civil navigation satellites have been widely used and recognized in professional fields such as national road traffic management, railway intelligent transportation, precision agriculture, geographical mapping and shipping.
We have established long-term partnerships with a number of aerospace companies from Asia, Europe and South America in recent years, our export products have been highly recognized by customers, and they are applied in important space missions in those countries. We are confident that BTSTC is your trustworthy integrated supplier of aerospace products and we look forward to working with you to create a better future.