This is a auto-generated Article of all your definitions within the glossary.
Glossary
This is a auto-generated Article of all your definitions within the glossary.
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ACOMMS
Acoustic Communications
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AHRS
Attitude and Heading Reference System
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ATR
Automatic Target Recognition
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AV
Autonomous Vehicle
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Beaufort
Or Beaufort Scale is a scale for measuring wind speeds. The speed of the wind will affect wave action on the water.
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BLOS
Beyond Line of Sight
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C2
Command and Control
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COG
Course Over Ground the direction a vehicle is traveling relative to the bottom. This can be different than the vehicle Heading.
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CONOPS
Concept of Operations
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CTD
Conductivity, Temperature, and Depth Sensor
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CTS
Course to Steer. The heading (in True degrees) to steer to achieve the next waypoint.
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DOF
Degrees Of Freedom. The number of system parameters that may vary independently. Generally for systems we work with there are six: surge (moving forward/back), heave (moving up/down), sway (moving left/right), yaw (turning left/right), pitch (tilting forward/back), roll (tilting left/right).
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DPC
Dynamic Payload Control
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DPD
Diver Propulsion Device. A combat diving vehicle designed to transport two fully equipped combat divers and additional equipment on long range missions.
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DSV
Deep Submergence Vehicle
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DTN
Distance to Next. The distance to the next waypoint in the route.
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DVL
Doppler Velocity Log
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ECEF
Earth-centered, earth-fixed, also known as ECR (initialism for earth-centered rotational), is a geographic and Cartesian coordinate system and is sometimes known as a "conventional terrestrial" system.
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EMI
Electromagnetic Interference
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ENC
Electronic Navigational Chart
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EPE
Estimated Position Error. Estimated error based on available navigation data.
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FLS
Forward Looking Sonar
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FOM
Figure Of Merit. A quantity used to characterize the performance of a device, system or method, relative to its alternatives.
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GBS
Global Broadcast System
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GigE
Gigabit Ethernet
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GLONASS
Global Navigation Satellite System. GLONASS is a Russian space-based satellite navigation system operating as part of a radionavigation-satellite service. It provides an alternative to GPS and is the second navigational system in operation with global coverage and of comparable precision. https://en.wikipedia.org/wiki/GLONASS
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GPS
Global Positioning System. A navigational system using satellite signals to fix the location of a radio receiver on or above the earth's surface.
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GUI
Graphical User Interface
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ICD
Interface Control Document
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IMU
Inertial Measurement Unit
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INS
Inertial Navigation System.
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LARS
Launch and Recovery System
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LBL
Long Base Line acoustic positioning system
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LCM
Lightweight Communications and Marshalling. A publish/subscribe message-passing system; targeted at real-time systems where high-bandwidth and low latency are critical.
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LOS
Line of Sight
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Marker
A navigation aid. Markers have no navigation utility but are useful for marking mission features or events. Saved in the mission along with route waypoints
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MLO
Mine Like Object
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MOB
Man Overboard marker. Used in Workspace to record the position and attitude of the vehicle at the moment in time.
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MPL
Mission Planning Laptop.
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Multicast
Group communication where data transmission is addressed to a group of destination computers simultaneously. Multicast can be one-to-many or many-to-many distribution.
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NED
North East Down
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NIC
Network Interface Card. Allows both wired and wireless communications. Allows communications via Local Area Network (LAN) as well as communications over large-scale network through Internet Protocol (IP).
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NTP
Network Time Protocol. A networking protocol for clock synchronization between computer systems over packet-switched, variable-latency data networks.
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Objective
The final waypoint of a route.
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OEM
Original Equipment Manufacturer
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OPENSEA
Open Software and Equipment Architecture. Greensea open architecture software platform for the marine robotics industry; the foundation on which all Greensea technology is built.
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Path following
A control law that keeps the vehicle on the path between two waypoints.
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PCB
Printed Circuit Board
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PCOMMS
Primary Communications. Generic communications between vehicle components (devices, navigation, and control) and topside components (operator interfaces).
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PCS
Payload Control Software
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PID
Proportional–integral–derivative controller (PID controller or three-term controller) is a control loop mechanism employing feedback that is widely used in industrial control systems and a variety of other applications requiring continuously modulated control.
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POE
Project Opensea Environment. Also, in networking: Power over Ethernet.
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POI
Point of Interest
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RCOMMS
Remote Communications
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RF
Radio Frequency
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RNAV
Recon Navigation System
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RNC
Raster Navigational Chart
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Route
Mission Planning/Navigation: A collection of waypoints and tracks from a starting point to an endpoint. Networking: A path for network traffic, in a network or between or across multiple networks.
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ROV
Remotely Operated Vehicle
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SATCOM
Satellite Communications
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SDI
Serial Digital Interface
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SDK
Software Development Kit. A set of tools, guidelines, and programs used to develop applications for a specific platform.
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SLAM
Simultaneous Localization and Mapping
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SOG
Speed Over Ground. Current vehicle speed relative to the seabed.
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TMS
Tether Management System
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TTN
Time to Next. The time to the next waypoint in the route based on the present transit speed.
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UAV
Unmanned Arial Vehicle
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UI
User Interface
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UMAA
Unmanned Maritime Autonomy Architecture
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USBL
Ultra Short Base Line acoustic positioning system
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USV
Unmanned Surface Vessel
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UUV
Unmanned Underwater Vehicle.
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VALOR
Versatile and Lightweight Observation ROV
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vLBV
Vectored Little Benthic Vehicle
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VM
Virtual Machine
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Waypoint
A geographical location/destination. A three-dimensional point in the water described by a Latitude, Longitude, and depth (or altitude). The fundamental component of a mission or a route is a waypoint.
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Waypoint Tolerance
Waypoint radius. When the vehicle reaches the waypoint tolerance it will consider the waypoint achieved.
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WYSIWYG
"What You See Is What You Get"
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XTE
Cross Track Error. The distance to the left or right the vehicle is from the path. This is the error in the path following control law.
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θ
Pitch. Vehicle movement around the Y axis. For example, the vehicle noses up or down.
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Φ
Roll. Vehicle rotation about the X axis. This can be seen in body tilt from side to side.
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Ψ
Yaw (heading). Vehicle rotational travel from the Z axis (vertical) or crablike movement.