Xi'an Kacise Optronics Co.,Ltd.
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KSIMU003M Inertial Measurement Unit
Product Introduction
Inertial measurement Unit KSIMU003M is a domestic inertial measurement equipment with high performance, small size and high overload resistance. Gyroscope zero bias stability 0.5°/h (Allan), accelerometer zero bias stability 10µg (Allan). It can be used for precise navigation, control and dynamic measurement of weapons. This series of products adopts high-precision MEMS inertial devices, with high reliability and high robustness, and can accurately measure the angular velocity and acceleration information of the moving carrier in harsh environments.
The inertial measurement unit KSIMU003M with built-in three-axis gyro and three-axis accelerometer is used to measure the carrier's three-axis angular rate and three-axis acceleration. Through the serial port according to the convention communication protocol output error compensation (including temperature compensation, installation misalignment Angle compensation, nonlinear compensation, etc.) gyroscope, accelerometer data, and built-in three-axis magnetic sensor, pressure sensor.
Feature
● High precision MEMS inertial navigation
● Support dynamic fast alignment
● High bandwidth, high data update rate
● 1 channel SPI
● Small size, light weight
● Solid and reliable
● Fully compatible with a foreign 10 °rees of freedom inertial measurement system
Application
● Unmanned aerial vehicle
● Aerial photography
● Agricultural plant protection
● The photoelectric detection is stable
● In-vehicle navigation
● Vehicle satellite communication
● Forest and land monitoring
● High-speed railway track inspection
Technical Specifications
| Parameter | Test condition | MIN | TYP | MAX | Uints | |
| Power supply parameter | ||||||
| Voltage |
| 3.0 | 3.3 | 3.6 | V | |
| Power dissipation |
|
|
| 1.5 | W | |
| Ripple | P-P |
|
| 100 | mV | |
| Product performance | ||||||
| Gyroscope | Range |
| ±400 | ±450 |
| °/s |
| Bias stability | Allan |
| 0.8 |
| ° /h | |
| Random walk |
|
| 0.06 |
| ° /√h | |
| Bias Repeatability | −40°C ≤ TA ≤ +85°C |
| 0.1 | 0.2 | °/s | |
| Scale factor repeatability | −40°C ≤ TA ≤ +85°C |
| 0.1 | 1 | % | |
| Scale factor nonlinearity | FS=450 º/s |
| 0.1 | 0.2 | %FS | |
| Bandwidth |
|
|
| 400 | Hz | |
| Accelerometer | Range |
|
| ±10 |
| g |
| Bias stability | Allan |
| 0.01 |
| mg | |
| Random walk |
|
| 0.02 | 0.02 | m/s/√h | |
| Bias Repeatability | −40°C ≤ TA ≤ +85°C |
| ±2 |
| mg | |
| Scale factor repeatability | −40°C ≤ TA ≤ +85°C |
| 0.5 | 1 | % | |
| Scale factor nonlinearity |
|
| 0.1 |
| %FS | |
| Bandwidth |
|
|
| 200 | Hz | |
| Magnetometer | Dynamic measuring range |
| ±2.5 |
|
| gauss |
| Resolution |
|
| 120 |
| uGauss | |
| Noise density |
|
| 50 |
| uGauss | |
| Bandwidth |
|
| 200 |
| Hz | |
| Barometer | Pressure range |
| 450 |
| 1100 | mbar |
| Resolution |
|
| 0.1 |
| mbar | |
| Absolute measurement accuracy |
|
| 1.5 |
| mbar | |
| Communication interface | One SPI | Baud rate |
|
| 15 | MHz |
| Structural characteristics | Size |
| 44×47×14 | mm | Size |
|
| Weight |
| 50 | g | Weight |
| |
| Reliability | MTBF |
|
| 20000 |
| h |
| Continuous working hours |
|
| 120 |
| h | |
| Environment | ||||||
| Operating temperature |
| -40 |
| 75 | °C | |
| Storage temperature |
| -45 |
| 85 | °C | |
| Vibration |
| 10～2000Hz,3g | ||||
| Impact |
| 30g,11ms | ||||
| Overload | (Half-sine 0.5msec) | 1000g | ||||
Dimensions