Motion Reference Units


The SMC motion reference units, MRUs, are high-performance motion sensors that measures Roll, Pitch, Heave, Sway, Surge, Accelerations, Angular rates and Velocity for any rig, ship or vessel on which it is mounted.

SMC is a producer of Roll, Pitch and Heave motion reference units (MRU) which commonly are referred to as vertical reference units (VRU) or motion sensors.
The MRUs are manufactured to meet the requirements of the Marine, Offshore oil and Gas industry, Winch and Crane AHC, Dynamic Positioning and Hydrographic sector.

Features

• Roll & Pitch
• Heave
• Velocities
• Accelerations
• Serial and Ethernet communication
• Industry protocols NMEA


Motion reference unit product range

Motion Reference Unit IMU-10x IMU-10x
Roll and Pitch 0.03°
Heave 5 cm
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Datasheet
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Motion Reference Unit IMU-00x IMU-00x
Roll and Pitch 0.25°
Heave 5 cm
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Datasheet
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Model Roll/Pitch Heave
IMU-007 0.25° RMS N/A
IMU-008 0.25° RMS 5cm or 5%
IMU-106 N/A 5cm or 5%
IMU-107 0.03° RMS N/A
IMU-108 0.03° RMS 5cm or 5%
IMU-108-30 0.03° RMS 5cm or 5%

Motion reference unit applications

The MRUs are used in applications such as Dynamic Positioning (DP), Active Heave Compensation, Helideck Monitoring System and Weather and Met-Ocean systems and other Roll, Pitch and Heave motion applications on board offshore platforms and vessels.


SMC Motion Testing Facilities

Demonstration of the SMC IMU Motion Reference Unit at SMC’s Factory Motion Testing Facilities. On our in-house six degrees of freedom Stewart Platform, the IMU Ranges can be proven with real Marine Motion data simulation making them the ideal units for Offshore Marine applications such as Helideck-Monitoring, AHC, Dynamic Positioning, Hydrographic and all other Marine Motion Monitoring and compensation systems.



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