A flexible and durable sensor array has been produced by Honeywell for use in heavy-duty and off-highway applications
A UK supplier of sensors and electronic devices for high reliability and harsh applications in the transport and other sectors has started handling the new Transportation Attitude Reference System (TARS) from Honeywell. Powell Electronics is now able to supply the array in the UK.
The TARS system consists of a packaged sensor array, which is designed and configured to report vehicle angular rate, acceleration and attitude data for demanding applications such as heavy duty and off-highway transportation. Born out of the needs of the defence industry, the array has a significant role to play in agriculture, construction and other applications
The TARS-IMU device measures important vehicle characteristics and enhances efficiency and productivity by reporting key data required to automate and monitor movements of vehicle systems and components. With two sensor models for different power levels, the TARS-IMU sensor array accommodates both 5 V and 9 V to 36 V vehicle power systems.
Sensor Fusion
The sensor fusion algorithm can be customised for specific vehicle applications via on-board firmware, allowing movement data to be filtered to minimise unwanted noise and vibrations for improved position accuracy. Communication is transmitted using industry standard CAN J1939 connectivity. As a standard, the TARS-IMU component is calibrated on aerospace-grade rate tables at the factory to provide enhanced calibration consistency between units.
The system has a full six degrees of freedom so that a combination of translational and rotational movements can be measured to create a full picture of the way in which the array moves. The standards x, y and z axis movements (sway, surge and heave) are measured in combination with their torsional equivalents (yaw, roll and pitch).
The operating temperature range is -40°C up to +85°C and the TARS-IMU sensor array comes in a ruggedised PBT thermoplastic housing and is IP67 and IP69K certified for use in the most demanding environments. A metal guard for added protection is also available.
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