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Product Overview

TDK’s SmartIndustrial™ products

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In industrial applications such as precision agriculture, high precision GNSS modules, construction machinery, robots, and automatic guided vehicles (AGVs), motion sensor data has become critical in enabling automation, improving efficiency, and monitoring conditions. TDK’s SmartIndustrial™ portfolio of 6-axis IMU modules, IIM-46234 and IIM-46230, delivers the precise motion, and inclination measurements that these applications required. These modules offer the ability to take precise measurements in harsh environments with vibration and wide temperature variations.
TDK’s broad portfolio of Industrial Motion Sensing solutions offers customers a range of performance and cost choices, enabling a wide variety of Industrial navigation, stabilization, and monitoring applications.
By combining its innovative MEMS Motion Sensor technologies with its expertise of Industrial applications, TDK offers unique capabilities such as Fault-tolerant motion sensing solution.

Products

Part Number IIM-46234 IIM-46230
IMU (Inertial Measurement Unit):IIM-46234
IMU (Inertial Measurement Unit):IIM-46230
Operational Temp Range −40°C to +85°C −40°C to +85°C
Gyro FSR ±480 dps ±250/500/1000/2000 dps
Gyro Noise Density 1.6 mdps/√hz 3 mdps/√hz
Gyro Bias instability 1.9 deg/H 4.1 deg/H
Gyro Error over Temp ±0.14 dps ±0.3 dps
Gyro Sensitivity Scale Factor Variation Over Temp 0.0013%/C ±0.0013%/C
Angular random walk 0.07 deg/√hr 0.15 deg/√hr
Gyro Non-Linearity ±0.1%FS ±0.05%FS
Accel FSR ±8 g ±2/4/8/16 g
Accel Bias repeatability ±0.16 mg ±0.4 mg
Accel Noise Density 29µg/√Hz 41µg/√Hz
Accel Offset Over Temp 0.026 mg/C 0.052 mg/C
Accel Sensitivity Over Temp (±) 0.0014%/C 0.0014%/C
Accel Non-Linearity ±0.05%FS ±0.05%FS
Fault tolerance yes yes
Timestamping yes yes

Applications

Precision Agriculture

 Bridge GNSS outage and provide terrain compensation inputs during normal operation in various agricultural environments, particularly for equipment navigation, guidance, and positioning.
  • Equipment navigation / positioning
  • Precision guidance for spraying, harvesting
  • Bridge GNSS / GPS outage
  • Provide terrain compensation inputs

Construction Equipment

 Maintain blade and bucket position on bulldozers, excavators, motor-graders, etc. during normal operation. Additionally, the IMU data is coupled with GNSS to constrain position and bridge GNSS outage.
  • Equipment navigation / guidance / positioning
  • Bridge GNSS / GPS outage
  • Tilt sensing
  • Maintain blade and bucket position on bulldozers, excavators, motor-graders, etc.

HD Mapping, surveying, and Georeferencing

 Precision data enabling the creation of HD maps and surveys, but also provide exact position for stabilization and location.
  • Camera stabilization
  • Survey equipment stabilization
  • Navigation, Dead reckoning

Industrial, Warehouse, and Automobile Robotics

 Industrial robots use motion data to enable automation, improve efficiency and monitor conditions, as well as the precise motion and vibration measurements produced.
  • Navigation, Dead reckoning
  • Platform stabilization

High precision GNSS/INS & Autonomous delivery systems

 High precision GNSS/INS & Autonomous delivery systems
  • Best in class bias instability
  • Low sensitivity errors & Gyro noise
  • Ease of integration with GNSS systems

Product Details

  • Multiple 6-axis IMUs each of which contains
    • 3-axis accelerometer with FSR up to ±16g
    • 3-axis gyroscope with FSR up to ±2000 °/sec with 4.1° /hr (typical) bias instability
  • Factory calibration over entire operating temperature range for offset, sensitivity (scale factor), G-sensitivity and cross-axis sensitivity
  • Ultra-low noise sensors that deliver precise measurements, even in harsh environments
  • Micro-second time stamps with all sensor measurements for accurate timing transfer
  • Temperature output
  • Supports SPI and UART
  • Temperature range: -40ºC to 85ºC
  • 23 × 23 × 8.5 mm Module with a 20 pin connector

Advantages

  • High performance module that includes multiple 6-Axis MEMS Gyroscopes and Accelerometers and delivers low bias instability, ARW and VRW
  • TDK’s unique SensorFT™ feature delivers built-in redundancy and early warning against individual sensor failures
  • Factory calibration over for offset, sensitivity (scale factor), G-sensitivity and cross-axis sensitivity enables accurate measurements across entire operating temperature range

These modules also include TDK’s unique SensorFT™ feature that delivers:

  • Built-in redundancy: The module can tolerate one or more failures of its active components without complete failure
  • Early warning: The module provides status indicating changes in its performance, thus providing an early warning to the user, before the module fails completely.
  • Enhanced lifetime and reliability

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