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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