Introduction
TDMG-201H MEMS Inertial Measurement unit is a highly reliable and cost-effective six-axis MEMS inertial attitude system, which can be widely used in navigation, control and measurement fields represented by vehicles, ships and UAVS. The TDMG-201H series inertial measurement unit integrates high-performance MEMS gyroscopes and MEMS accelerometers in a separate structure, and the gyroscopes and accelerometers selected for the system represent the leading level of MEMS process inertial devices. The three-axis MEMS gyroscope is sensitive to the angular motion of the carrier, and the three-axis MEMS accelerometer is sensitive to the linear acceleration of the carrier. The zero position of all temperature parameters, scale factor, non-orthogonal error and acceleration related terms are compensated within the system, which can maintain a high measurement accuracy for a long time.
The TDMG-201H MEMS Inertial Measurement Unit integrates a high-performance MEMS gyroscope and MEMS accelerometer in a separate structure. The gyroscope and accelerometer selected for the unit represent the leading level of MEMS process inertial devices. The three-axis MEMS gyroscope is sensitive to the angular motion of the carrier, and the three-axis MEMS accelerometer is sensitive to the linear acceleration of the carrier. The zero position of all temperature parameters, scale factor, non-orthogonal error and acceleration related terms are compensated within the unit, which can maintain a high measurement accuracy for a long time. At the same time, the unit adopts sealing design and other measures to ensure that the product can accurately measure the angular motion and linear motion parameters of the carrier in harsh environments, thus providing users with low-cost and high-reliability solutions.
Features
● Full temperature compensation
● High performance, small size
● Low weight, low power consumption
● -40℃ to +80℃ full temperature scale compensation
● 1KHz high speed sampling
● Resistant to harsh mechanical environment
● Online software upgrade function
Application fields
● Vehicle positioning and orientation
● Radar/infrared antenna stabilization platform
● UAV attitude reference/Track Control
● Flight control
● Vehicle and ship attitude measurement
● Port measurement system
● Mobile communication
● Mobile mapping system
● Mobile communication
● Drilling and production system
Specification
MEMS Gyroscope |
|
Model |
TDMG-201H |
Measurement range(°/s) |
400 |
Bias零位(°/h,Full temperature) |
≤15 |
Bias stability(°/h,10s smooth) |
≤3 |
Bias stability (°/h,Allan) |
≤0.5 |
Bias repeatability(°/h) |
≤3 |
Non-linearity of scale factor(ppm) |
≤100 |
Bandwidth(Hz) |
100 |
MEM Accelerometer |
|
Measurement range(g) |
30 |
Bias(mg,Full temperature) |
≤2 |
Bias stability(μg,10s smooth) |
≤100 |
Bias repeatability(μg) |
≤100 |
Non-linearity of scale factor(ppm) |
≤1000 |
Bandwidth(Hz) |
100 |
System |
|
Power supply(V) |
5 |
Power consumption(W) |
2 |
Start-up time(s) |
2 |
Communication port |
1 x RS-422, 2 x RS-232, one synchronous output, one synchronous input |
Updating rate(Hz) |
200 |
Size(mm×mm×mm) |
44.8×38.6×21.5 |
Weight(g) |
≤60 |
Environmental conditions |
|
Working temperature(℃) |
-40~80 |
Storage temperature(℃) |
-55~85 |
Reliability |
|
MTBF(h) |
200000 |
Pin definition
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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