Honeywell Sensing and Control

 
 

HG1171BA01

 


HG1171 Series 6DF (Six Degrees of Freedom) IMU (Inertial Measurement Unit)

Actual product appearance may vary.
 

Description
The HG1171 Series is a six degrees of freedom (6DF) inertial measurement unit (IMU) that senses rotation rate about the roll, pitch and yaw axes (X, Y and Z axes) and acceleration along the longitudinal, lateral and vertical axes (X, Y and Z axes). This product is designed for enhanced accuracy of tracking and monitoring of vehicle/platform (up/down, left/right, forward/backward) in a hard mounted configuration. It provides key data for automated steering and vehicle controls, freeing the operator to focus on machine functions, one of the main reasons customers use IMUs. The HG1171 contains high performance MEMS (Micro Electromechanical Systems) rotation rate sensors (gyroscopes), whose function is based on the physical properties of the Coriolis effect, as well as enhanced precision integrated accelerometers for each axis. High speed CAN bus (2.0 A or B) provides cost-effective, high-integrity serial data communications bus for real-time control applications operating at data rates up to 1 Mbit/s. This capability allows enhanced error detection and confinement. Customization of I/O timing, CAN labels, connectors, and other parameters allows the customer to specify changes in the IMU so it more readily fits into existing architecture on vehicle. A temperature sensor in each rotation rate sensor provides a temperature value to the processing module where the samples are filtered and compensated. This information allows the customer’s system to perform over a wide temperature range. The tough metal housing is often ideal for demanding environments. The user may mount the product on the vehicle frame outside the cabin, anywhere an IMU is needed.

Features Potential Applications
Features
  • 3-dimensional rotation rate and acceleration outputs (roll, pitch, yaw)
  • High speed CAN bus
  • Broad dynamic range
  • Low noise
  • High resolution
  • Customizable
  • Enhanced temperature performance
  • Tough metal housing
Potential Applications
Vehicle stability control systems on:
  • Agricultural equipment such as tractors and harvesters to provide motion control feedback (attitude/acceleration) for leveling cutting blades, planters, tillers and other equipment when on slopes or hills; improve automated steering capabilities by providing rotational rate change data to vehicle controls; smooth GPS data (position and velocity) for use in high accuracy planting/tilling.
  • Construction equipment such as excavators, trucks, forestry equipment, loaders and graders to improve operator awareness relative to equipment loading and extension envelopes on cranes and material/ telescopic handlers; provide real time stability control in rugged and steep terrain; provide active depth and angle control for graders; provide motion compensation in GPS-guided automated vehicles.
Product Specifications
Reverse Voltage -18 V max.
Start-Up Time 700 ms typ.
Vibration 3.1 g (RMS) max.
Shock 100 g typ. (half sine for 6 ms)
Humidity 95% max.
Sealing IP62K
Measurement Range -75 deg./s to 75 deg./s
Overload Range -1000 deg./s to 1000 deg./s
Sensitivity Error -4% min. to 4% max.
Linearity -1% min. to 1% max.
Offset Drift Speed -0.2 deg./min to 0.2 deg./min
Noise 0.2 deg./s
Cross Axis Sensitivity 2% max.
Turn On Time 750 ms max.
Vehicle Dynamic Lateral and Longitudinal Acceleration 22-31 (bit position), 10 (number of bits)