Greensea Featured In Marine Technology Reporter

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Greensea Systems, Inc. - Robust Products Designed for Work

Hull Robotics Program

Hull Robotics Program

Hull Robotics Program

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Greensea is developing a crawler that with the intended use being  hull inspection for maintenance and EOD applications, hull-relative  navigation, and autonomous hull grooming. Initially this crawler will  integrate with the Videoray MSS Defender ROV, opening up a new realm of  capabilities for the ROV. With low pressure suction adhesion and rubber  tracks, a Greensea Crawler equipped ROV can safely transit ship hulls,  tank walls or other hard surfaces to perform inspection and intervention  tasks. By retaining both free flying and crawling capabilities, as well  as a non-magnetic method of attachment, this technology offers greater  flexibility of application being able to be used on aluminum vessels,  concrete walls or polycarbonate tanks as well as being able to quickly  transit between areas of interest. Greensea’s proven control technology  enables the operator to fly the vehicle into position, and once in  position attach to the hull within a matter of seconds.


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INSpect GS Navigation

Hull Robotics Program

Hull Robotics Program

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Modifiable commercial inertial navigation systems optimized for specific applications.


The INSpect GS Inertial Navigation Systems (INS) can be modified to optimize performance for diverse, complex operational scenarios where there are size, weight, power, and cost (SWaP-C) constraints. A product of over a decade of development and testing, the INSpect GS line features Greensea’s proprietary Kalman estimation algorithms, which fuse data from available navigation aiding sensors and filter out noise and outliers to deliver stable and accurate navigation estimates. Meanwhile, Greensea’s patent-pending autonomous heading alignment algorithms ensure the best navigation performance for any operational scenario.


The INSpect GS INS products are based on Greensea’s universal software framework for marine robotics, OPENSEA, which allows them to support a wide variety of aiding sensors used in the marine industry (e.g. IMU, AHRS, USBL, sonar, DVL, GPS, altimeter, pressure). They are an excellent choice for applications requiring accurate, low-cost, performance navigation to enable vehicle control, station keeping, platform stabilization, and sensor fusion.

ROV Control Systems

Hull Robotics Program

OPENSEA Software Development Kit

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Modifiable ROV control systems deliver highly-stable, fully-integrated systems for work-class and inspection-class vehicles.


From controlling complex deep ocean work-class ROVs to providing precise navigation and stability for miniature ROVs used in explosive ordnance disposal, Greensea’s integrated control systems are designed for work. By leveraging the proven, modular, OPENSEA platform, Greensea’s ROV systems can be designed and deployed quickly and robustly. Control packages are available at basic, advanced, and professional levels.


  • Lift heavy objects while maintaining perfect trim
  • Maintain stable high-degree pitch control
  • Automate a perfect 360 degree point-of-orbit
  • Manipulate missions with real-time dynamic waypoint control
  • Fuse navigation sensor data to optimize a multi-state position
  • Point-and-click to engage target tracking and sonar-relative control


Typical integrations can be completed in less than 8 weeks, enabling customers to focus on their areas of differentiation, not reinventing the wheel. The Greensea system provides a rock-solid stage for customers to deliver their own innovations and unique value propositions.


Our success is driven by hands-on experience, working directly with our customers to create requirements-driven systems that meet their objectives. An established integration path from Phase 0 (requirements) to Phase 3 (commercial product), ensures an efficient, cost-effective process. 

OPENSEA Software Development Kit

OPENSEA Software Development Kit

OPENSEA Software Development Kit

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Easily transform current technology investments into integrated systems by addressing technical gaps in critical vehicle processes.


The OPENSEA SDK includes everything a developer needs to develop, configure, or expand on their Greensea system. Tutorials and documentation provide “how to” information for implementing system changes, developing new features, or innovating new technologies on an open, robust architecture. Included in the SDK are the OPENSEA library and OPENSEA applications, documentation, and hardware. 

Workspace

OPENSEA Software Development Kit

EOD Workspace

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Intuitive mission planning interface for complex robotic systems.


Greensea’s Human-Machine interface, Workspace, fuses vehicle control, navigation, payload sensors, diagnostics, and data management into a single screen. For many operators, this means the elimination of screens, computers, and third-party navigation packages. The centralized data framework allows visualization, logging, archival, and playback of all vehicle and payload data, including sonar and video.


All Greensea interfaces are fully distributed, networked systems capable of supporting multiple users, even in different locations. Team members can share vehicle and target data in real-time between local workstations, a field office, or remote command stations. Highly configurable and scalable, this powerful work environment makes data more accessible to the operational team and delivers higher quality data with every mission. 

EOD Workspace

OPENSEA Software Development Kit

EOD Workspace

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A more capable robotic team member supports maritime threat mitigation for EOD.


Integrated inertial navigation, vehicle control, automated tasks, payload integration, and target-relative positioning combine in the intuitive EOD Workspace to provide a new concept in surveying and disrupting underwater threats.


Multi-mode vehicle control allows EOD Technicians to pass as much or as little responsibility onto the vehicle as the operation requires. Click-and-go, drag-and-follow, and point-of-interest orbiting make the ROV a more useful tool than ever before.


  • Perform under varying and extreme conditions
  • Search & survey areas of critical infrastructure to secure facilities
  • Easily identify, reacquire, and neutralize threats
  • Conduct forensic and salvage operations

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