Contact Us

Forcys will be exhibiting at the Naval Defence & Maritime Security Exhibition (NAVDEX) on the 20th to the 24th of February at the Abu Dhabi National Exhibition Centre in the United Arab Emirates. Showcasing the world’s most deployed intruder detection system: Sentinel from our technology partner Wavefront Systems. Forcys will also be there to promote capability from Chelsea Technologies, EIVA, Sonardyne and Voyis.

If you have to operate side-scan sonars and synthetic aperture sonars (SAS) in very shallow waters (VSW) or shallow waters (SW), the acoustic environment is particularly hostile. Higher order multi-path reverberation, unstable velocity of sound profiles, often unknown, as well as significant bathymetry, baseline decorrelation effects and generally far fewer stable platforms, all add up. The result is far less reliable end sonar products with greater impact to longer range systems. This is particularly acute in tidal and riverine environments. What to do?

Go back to the drawing board

When Solstice was developed in 2010, our technology partner Wavefront Systems decided it was time for a step up in the performance of traditional side-scan sonars. The aim was to deliver a high-frequency, high-resolution, and long-range sonar that would provide a marked improvement in the probability of detection of mine-like objects while minimising the probability of false alarms.

Solstice was designed to do just that. Step one was to design a multi-aperture array which would improve the signal-to-noise ratio extending the range over other sonars operating at the same frequency. However, longer ranges in shallow waters are susceptible to multi-path reverberation. Dr Rob Crook, Research Director at Wavefront Systems explains how Solstice overcomes this problem: “The dominant source of noise for all side-scan sonars operating in shallow waters is ‘multi-path’ reverberation. The nature of this noise means many acoustic pathways scattering from spatially unrelated regions of the underwater scene may none-the-less return to the sensor with identical flight-times. The inability of any ‘2D’ (range, bearing) sensor to discriminate between these contemporaneous pathways leads to an inevitable loss of contrast. Multi-path Suppression Array Technology (MSAT) is a physical array-based technology that offers the swathe coverage one would traditionally have associated with wide elevation beam-widths, with the shadow contrast associated with very narrow beams. MSAT allows high shadow contrast right out to the maximum range of the sensor whilst maintaining high quality imagery close to nadir.” Why is contrast important? It helps to differentiate targets from the surroundings.

In addition, Solstice implements dynamic focusing ensuring that the image will maintain the highest possible resolution at the position in space relative to the sensor, meaning that the resolution will improve as the range to the target decreases. While at longer ranges the interpolated real-time imagery drastically aids human visual perception.

What does it all mean?

The design choices lead to significant advantages for Solstice users. These are some examples of where Solstice excels.

22 m47 m72 m92 m
Lobster pots (approximate dimensions 800 mm x 400 mm) observed at different ranges using Solstice (Image courtesy of GDMS)

Please contact us to find out more.

In brief

One person-portable remotely operated vehicle (ROV) systems are increasingly being counted on to deliver support to expeditionary forces conducting underwater operations. Used to inspect and to help deploy payloads at significant depths, combat and EOD divers can count on these ROVs to provide intelligence ahead of a dive. Now packed with automation features, new generation micro ROVs have become precise inspection tools.

The challenge

Your warfighters are increasingly being relied upon to deploy, operate, and maintain complex tools in support of their operations. Diving teams have it harder than most as they need to deploy these tools underwater against currents, with low visibility and poor positioning references.

The solution

Developed by our technology partner EIVA, NaviSuite Mobula is a complete ROV software package with many advanced features for automatically and efficiently planning and performing ROV inspections, as well as enabling powerful data processing so operators can easily create high-quality, comprehensive data deliverables. Fully integrated from the factory with Defender ROVs from VideoRay, it provides your warfighters with a simple to use fly-by-wire control system. It delivers faster re-acquisitions and better data from which to make decisions.

The result

Combining NaviSuite Mobula with a micro ROV makes controlling the ROV a simple task. You can configure the user interface to suit your preferences. Flying the ROV is simple, simply drop a waypoint or select a set distance and direction and the ROV will automatically fly to that location. Use 2D, 3D and 4D model visualisations to improve your situational awareness. It’s also equipped with automatic sonar data cleaning and navigation processing tools that deliver improve your deliverables. In addition, it’s capable of generating fly-by videos or 3D visualisations to support your reporting and decision making. NaviSuite Mobula delivers actionable results enabling your warfighters to focus on information and not the process of acquiring it.

Intuitive user interfaces make operations more effective.

Forcys can enhance your experience with other innovative, advanced tools such as wireless acoustic initiation triggers, inertial navigation systems or optical systems from our technology partners at Sonardyne and Voyis. We can also support your autonomy programme with the integration of automatic target recognition using NaviSuite Deep Learning, or VSLAM computer vision, which lets you create 3D models using a single camera.

ROV trajectory with VSLAM map superimposed.

NaviSuite Mobula supports Defender ROV users, but it you would like to consider this innovative system to enhance a different platform please contact us.

We look forward to helping you with your requirement.