CEE-USV™

 

The Next Generation remotely-operated hydrographic survey boat with unmatched usability, exceptional design, survey-grade construction and high quality instrumentation.

 

CEE-USV™ is a state of the art, high-performance survey boat incorporating a single beam echo sounder, GNSS positioning, live video, and on-board data management. A high bandwidth radio link to the dedicated CEE-LINK™ shore station allows the operator to see precise bathymetric survey results in real time.

 

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Since 2011, CEE HydroSystems has been working with USVs and recognized some of the challenges users face. Multiple on-board components, in come cases a dozen interconnecting cables, and numerous critical data communication settings present a significant risk of downtime through equipment setup issues. The unique CEE echo sounder technology used on the CEE-USV™ reduces the potential for field problems: all components are tightly integrated and installed in a single modular enclosure, simply turn on the power and start surveying – even when using a local RTK base station. The removable echo sounder and positioning system is fully interchangeable for manned boat surveys.

With a network (Ethernet) data link accessible through a shore laptop internal WiFi or the dedicated long range CEE-LINK™ shore radio module, data telemetry requires no user management. As soon as the USV data module is powered-up, the survey data are ready on the shore for acquisition. For security and flexibility, all survey data – position, bathymetry, and quality control information – are recorded on-board for complete redundancy, ready to be directly imported into survey software as needed.

Using the exceptional HR Wallingford ARC-Boat vehicle as the foundation of this new hydrographic drone system, the integrated CEE-USV™ is simultaneously the most advanced and easiest-to-use remotely-operated single beam survey boat on the market.

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Unique Removable Bow Flotation Module

The entire bow portion may be easily removed for transportation. The CEE-USV™ will fit into small vehicles and even helicopters, courtesy of the drastic reduction in length with the bow detached. This wonderful design feature offers users the benefit of a long hull (high performance) without the drawbacks. As the bow is completely sealed, it also provides emergency flotation that ensures the boat cannot sink even if the entire rear segment is filled with water.

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Precision Echo Sounder with Quality Control for Defensible Results

The CEE survey-grade echo sounder used in the CEE-USV™ is of identical specification to the CEESCOPE™. With dual channel 33/200 kHz option and special programming to operate in very shallow water, CEE-USV™ bathymetry is at the highest precision attainable. Importantly, echogram quality control – full water column imaging – is viewable in real time and provides crucial sounding quality control during data processing. With a 20Hz ping rate, data quality and detail is remarkable.

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CEE-LINK™ Convenience

CEE-USV™ uses the CEE-LINK™ shore module offering a simple solution for data transmission. Simply turn on the CEE-LINK­™ and survey data are instantly available on the shore, ready to acquire with HYPACK®, Hydromagic, or any other hydrographic package. With an internal 9hr+ rechargeable battery, the CEE-LINK™ unit is self-contained, waterproof, and hassle-free, with just one setting to worry about – “on” or “off”.

Live Video Stream

With an external Ethernet input on the USV, high definition video and other ancillary data may be transmitted to the shore through the survey data link.

Long Range Operation

Antennae are raised above the water on the wing of the CEE-USV™ to greatly improve data range. Several antennae options are available to maximize operational range, up to and beyond 1km (3,300ft) distance.

To learn more about the CEE-LINK™ CLICK HERE to download the brochure.

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Rugged and Durable Hull

Manufactured to exceptional quality standards, CEE-USV™ is survey-grade durable and reliable. The fiberglass hull is exceptionally strong, and stainless steel skids screwed to the hull make easy deployment and recovery with no parts to snag or snap.

Thoughtful Propulsion Setup

Over sized motors drive heavy duty prop shafts with a belt link, providing total protection against potentially costly motor or motor controller burnout that may occur with direct drive designs if (when) debris gets caught in the props.

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Sealed Battery Compartment

Watch the demonstration video on this page to see the amazing simplicity of the battery arrangement on the CEE-USV™. No long interruptions, just open the lid and swap the battery cells. Easy.

High Quality Electrical Systems

All of the electrical systems on the CEE-USV™ are professionally installed with high capacity, high current wiring used throughout. No hobby grade or low quality switchgear or connectors are used, making the CEE-USV™ a confidence-inspiring and low risk investment.

DEMONSTRATION VIDEO

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PRODUCT INFORMATION

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20 Hz ping rate for high quality survey results.

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3200 samples high definition echogram.

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Dual frequency capable

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Precise 1PPS time-tagged data

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Internal or external GPS input

External GNSS:

The CEE-USV™ can accept GNSS data from an external, third party receiver by Bluetooth or cabled connection.

 

Submeter Accuracy:

These GPS options present cost-effective built-in positioning for applications where precise vertical elevation is not required and 0.5 – 2m position accuracy is adequate. Such applications include industrial water surveys, reconnaissance surveys, and volume calculations where water volume can be measured accurately without requiring precise absolute position:

Hemisphere Crescent Marine Beacon – Single frequency L1 GPS receiver for cost effective USV surveying where differential corrections may be supplied by free SBAS systems such as WAAS or EGNOS. May also be used with MSK marine beacon corrections for a differential (DGPS) solution. Standard configuration includes 10Hz position update rate. Supplied with the Hemisphere A43 antenna with beacon.

NovAtel OEMStar – Single frequency L1 GNSS receiver with GLONASS satellite tracking offering a more robust basic-level solution where there may be partial obstruction of the sky, such as under tree canopy. Standard configuration includes 10Hz position update rate. Supplied with the NovAtel GPS-701-GG ant

 

Decimeter Accuracy (L-Band):

The subscription L-Band GNSS option brings up to 10cm precision to the CEE-USV™ position data with no requirement for a base station. Using both GPS and GLONASS satellites, performance with a restricted sky view is greatly superior to submeter SBAS systems.

Hemisphere Eclipse II (Atlas) – This GNSS option presents a new approach to obtaining accurate decimeter positioning anywhere in the world. The CEE-USV™ with Hemisphere ECLIPSE  is supplied with a basic level (L1 only) capability. A separate subscription to the the Atlas L-Band correction service activates the dual frequency L1/L2 receiver operation, GLONASS signal reception, and the Atlas corrections themselves.  This approach allows the user to minimize capital investment in GNSS hardware, and only pay for required accuracy when needed.

 

Centimeter Accuracy – NovAtel:

These multi frequency NovAtel OEMV6 receiver options offer centimeter-level precision and accurate elevation measurements for recording of “RTK tides”. Both options allow internal recording of raw GNSS pseudorange data for post processed precise positioning using Continuously Operating Reference Station (CORS) derived corrections.

NovAtel 628 – Multi frequency L1/L2/L5 GNSS option with internal RAW data recording to allow post processing to an accurate solution without the need for a local RTK base station. with L-Band corrections for better than 10 cm accuracy with a subscription to the TerraStar corrections service. The L-band option is typically selected where free SBAS or beacon corrections are unavailable and it is not practical or necessary to set up a local RTK base station. Supplied with the NovAtel GPS-702-GGL antenna.

NovAtel 628 RTK – Multi frequency L1/L2/L5 GNSS receiver with RTK capability, allowing the CEE-USV™ to connect to a local RTK base station and receive real time kinematic differential corrections for cm-level precision. Typically selected when water surface elevation (tide) is being measured using the satellite positioning system and not traditional (eg tide gauge) methods.

 

Centimeter Accuracy – Trimble:

For hydrographic surveying within existing Trimble® infrastructure, the CEE-USV™ RTK-BD970 using the Maxwell™ 6 receiver technology will facilitate trouble-free connectivity with Trimble base station receivers. For users who are keen to maintain equipment consistency and interoperability, the Trimble CEE-USV™ option was developed to fit seamlessly into existing networks.

Trimble BD970 – This advanced receiver installed inside the CEE-USV™ data module features an Ethernet input allowing use of cell phone network corrections (Trimble CenterPoint™ RTX) from an NTRIP caster, and will receive CMRx – and all other –  format RTK corrections from a Trimble base station. The latest generation rugged GA 830 antenna is supplied, although this option may also be ordered without an antenna or firmware activation for dealer supply.

 

RTK UHF Radio:

A Satel 400-470 MHz UHF radio is installed inside the CEE-USV™ data module to seamlessly receive RTK correction from the base station for all RTK GNSS options.

Specifications:

 

Length: 1.2m

Length: 1.95m

Draft: 0.18m

Beam: 0.72m

Dry weight: 26Kg

Detachable bow: 4Kg

Batteries: 10kg

Instrumentation: 8Kg

Total weight: 48Kg (105lbs)

Vehicle Features (excluding instrumentation package):

 

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CEE CONNECT

Remote-control utility software. Allows the operator to change CEE-USV™ echo sounder settings over the telemetry link, and can be used to toggle internal data recording on or off. Adjust sound velocity, survey max depth, and echo sounder sonic parameters such as pulse length, gain and detection threshold while the survey USV drone is in action.

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HYDROMAGIC

A dedicated driver for the CEE-USV™ echo sounder and GNSS makes the setup and acquisition process easy. While conducting the survey, the clear navigation and data display on the shore PC is ideal for driving the USV based on the laptop display. Easily importing background maps and simple data manipulation procedures to generate contour and depth-color plots are are benefits of this entry-level affordable hydrographic survey package. LEARN MORE.

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HYPACK®

As the industry standard professional-grade hydrographic software package, every survey scenario can be handled. Data editing capability is significant, with time-saving tools to filter, reduce, and qualify collected data. Dual frequency echo sounder data is superbly visualised, and sub bottom features may be re-digitized. Exceptionally detailed real-time data views and a color-coded survey coverage matrix mean the operator is always aware of the data quality during the survey. Useful features aimed at remote survey boats and drones make single-person operation easy.  LEARN MORE.

ParameterGeneral SurveysDual Frequency
Frequency:200kHz33 / 200 kHz
Beam Width @-3dB:9 deg26 deg / 9 deg
RMS Power500 W500W / 500W
Q:2N/A
Weight1.3 kg (3 lbs)3.6 kg (8lbs)
Housing MaterialStainless SteelCast Urethane
Acoustic WindowUrethaneUrethane

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Industrial Water

Surveying effluent ponds and industrial processes water may present a difficult challenge for a manned boat; access and safety challenges are eliminated with a USV. Information about sediment deposition may be inferred from dual frequency echo sounding surveys.

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Mine Tailings Ponds

Tailings storage facilities are ideal survey locations for a USV. Often existing survey methods are rudimentary and time-consuming, offering a poor view on the water volumes in the TSF. Using a USV can promote high quality repeating surveys for a better understanding of water resources.

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River Cross Sections

With the high performance capabilities of the CEE-USV™, able to match a current of over 4m/s (13ft/s) bathymetry cross sections may be performed in rivers at all stages of flow

ADCP APPLICATIONS FOR HYDROLOGY

The ARC-Boat, manufactured by HR Wallingford is a capable instrument platform that may be used for deployment of various sensor types in addition to, or in place of the single beam sonar and GPS package installed on the CEE-USV™. The ARC-Boat was initially designed as an acoustic Doppler current profiler (ADCP) platform, specifically for the purpose of making safe unmanned measurements of river discharge or stream flow. Instead of using a manned boat or deploying a tethered boat from a bridge, using an unmanned boat offers significant advantages in safety and data quality. The ARC-Boat (and CEE-USV™) is designed to accommodate all of the ADCP types in use for stream gauging activities.

 

If you are interested in ADCP discharge measurements then please visit the ARC-Boat page.

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