Sensors
Hibbard Inshore’s number one priority is to deliver to their clients valuable data that will allow them to make important operations and maintenance decisions, to achieve regulatory compliance, and to effectively interface with their insurers. To accomplish this, Hibbard Inshore customizes their ROVs for each project according to each client’s unique needs. Many sensors are suited for a particular inspection environment such as in dry air or underwater but cannot be used in both cases. Because of this, Hibbard Inshore has developed knowledge on a wide array of commercially available technologies in order to offer a wide range of options to its customers for each possible inspection condition or construction material and is continually updating this knowledge base as new technologies emerge. Below is a partial list Hibbard Inshore’s sensors.
- Ground Penetrating Radar (GPR): Measurement System
Utilizes radar pulses to image the subsurface. It can be utilized to see through pipe liners, detect objects, changes in material, material thickness, voids, and cracks.
- Ultrasonic Thickness Gauge (UT): Measurement System
Designed to measure thickness of material subject to corrosion.
- Gas Meters: Measurement System
Measures the volume of different types of gases.
- Precision Depth Gauges: Measurement System
Measures depth in water of ROV during inspections.
- 3D scanning sonar: Sonar System
Provides XYZ format for 3 dementional scans for accurate inspections
- Sub-bottom Profiler Sonar (SBP): Sonar System
Can be used to scan beneath the superficial sediment layer(s) to identify and measure areas of material buildup or cover.
- Profiler Sonar: Sonar System
Generates vertical cross sections in pipe or reveal the size of features like sediment build up.
- Sector Scan Sonar: Sonar System
Scans area in front of ROV to aid in navigation in turbid water and to perform feature detection when the ROV cameras are not able to see.
- Color Video: Video
Colored video with accurate and easily identifiable data
- Low Light Monochrome Video: Video
Provides clear and sharp picture during close proximity viewing in low visibility conditions.
- High Definition Video: Video
Applied in high visibility situations to collect high quality inspection video.
- 3-D TunnelMap™ System: Mapping System
3D Tunnel and Shaft Mapping system that creates precise cross sections and alignment data from the inside of a structure utilizing a sonar system integrated with an Inertial Navigation System (INS) consisting of a Ring Laser Gyro (RLG) or Fiber Optic Gyro (FOG) and a Doppler Velocity Log (DVL).
- Laser Scanning: Laser System
Utilizes precise lasers to provide 3 dimensional images of physical objects.
- Laser Scaling: Laser System
Uses lasers to estimate the size of a nearby underwater object.
- Electro Magnetic Acoustic Transducers (EMAT): Measurement System
Transducer for non-contact sound generation and reception. EMAT is an ultrasonic nondestructive testing method where couplant is not needed since the sound is directly generated in the material underneath the transducer.
- Inertial Positioning Systems: Navigation System
Continuously calculate the position, orientation, and velocity, of the moving vehicle and associated sensors without the need for external references.
- Ultra Short Baseline (USBL): Positioning System
Acoustically positions objects underwater.
- RTK-GPS: Positioning System
Real Time Kinematic satellite navigation is a technique used to enhance the precision of position data derived from satellite-based positioning systems. It has application in land survey and in hydrographic survey. The RTK Base station can be setup to communicate with an RTK Rover and a USBL or LBL system to accurately position survey data taken by the ROVs underwater.
- D-GPS: Positioning System
Sensor used to provide improved location accuracy.
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