Introduction
TDMG-201HX1 MEMS AHRS is a highly reliable and cost-effective six-axis MEMS inertial system, which can be widely used in the navigation, control and measurement fields represented by UAVS. TDMG-201HX1 is mainly composed of three-axis MEMS gyroscope, three-axis MEMS accelerometer, information processing circuit, navigation software, structural components, test cable, test software, GNSS receiver (external).
The TDMG-201HX1 series products integrate high-performance MEMS gyroscopes and MEMS accelerometers in a separate structure. The gyroscopes and accelerometers selected for the system represent the leading level of MEMS inertial devices. The zero bias of all temperature parameters, scale factor, non-orthogonal error and acceleration related terms are compensated in the system, which can maintain high measurement accuracy for a long time. At the same time, auto-adaptive attitude algorithm is integrated in the system, which can ensure the measurement accuracy of attitude for a long time.
The following outputs are provided by default: 3D angular velocity, 3D acceleration, gyro temperature, accelerometer temperature, 3D attitude, INS/GNSS position, INS/GNSS speed.
Features
●High performance, small size, low weight, low power consumption
●-40℃ to +80℃ full temperature scale compensation
●1KHz high speed sampling
●Built-in auto-adaptive attitude algorithm
●Resistant to harsh mechanical environment
●Online software upgrade function
●Inertial /GNSS integrated navigation function
Application fields
● Vehicle positioning and orientation
● Radar/infrared antenna stabilization platform
● UAV attitude reference/Track Control
● Flight control
● Port measurement system
● Mobile communication
● UAV/Vehicle/ship/boat attitude reference
● Attitude control
● Photoelectric pod
● Steady control and sight equipment
Specification
MEMS Gyroscope |
|
Measurement range(°/s) |
400 |
Full temperature bias(°/h) |
15 |
Bias stability(°/h,10s平滑) |
3 |
Bias repeatability(°/h) |
3 |
Non-linearity of scale factor(ppm) |
100 |
Bandwidth(Hz) |
200 |
MEMS Accelerometer |
|
Measurement range(g) |
30 |
Full temperature bias(mg) |
1 |
Bias stability(μg) |
100 |
Bias repeatability(μg) |
100 |
Non-linearity of scale factor(ppm) |
500 |
Bandwidth(Hz) |
200 |
Attitude accuracy |
|
Pitch(°,RMS) |
0.05(GNSS aided),0.5(without GNSS) |
Roll(°,RMS) |
0.05(GNSS aided),0.5(without GNSS) |
Heading(°,RMS,GNSS aided,dynamic condition) |
0.1 |
Electrical/Mechanical interface |
|
Power supply(V) |
5V~12V |
Power consumption(W) |
2 |
Start-up time(s) |
2 |
Communication port |
1 x RS-422,2 x RS-232 |
Updating rate(Hz) |
200Hz |
Size(mm×mm×mm) |
44.8×38.6×21.5 |
Weight(g) |
≤60 |
Environmental conditions |
|
Working temperature(℃) |
-45~80 |
Storage temperature(℃) |
-55~85 |
Pin definitions
Pin No. |
Definition |
Note |
8 |
POWER_IN |
5V power supply |
15 |
GND |
|
6 |
RS232_TXD1 |
Monitoring port, RS232 |
5 |
RS232_RXD1 |
|
3 |
GND |
|
10 |
RS422 R+ |
RS422 |
2 |
RS422 R- |
|
9 |
RS422 T+ |
|
1 |
RS422 T- |
|
14 |
RS232_TXD2 |
Backup port, RS232, GNSS connectable |
7 |
RS232_RXD2 |
|
13 |
GND |
|
11 |
PPS_IN |
PPS signal(LVTTL/TTL compatible), connect GNSS |
4 |
TOV |
LVTTL synchronous output, rising edge effective |
12 |
GND |
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