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.
-
ACOMMS
Acoustic Communications
-
AHRS
Attitude and Heading Reference System
-
ATR
Automatic Target Recognition
-
AV
Autonomous Vehicle
-
Beaufort
Or Beaufort Scale is a scale for measuring wind speeds. The speed of the wind will affect wave action on the water.
-
BLOS
Beyond Line of Sight
-
C2
Command and Control
-
COG
Course Over Ground the direction a vehicle is traveling relative to the bottom. This can be different than the vehicle Heading.
-
CONOPS
Concept of Operations
-
CTD
Conductivity, Temperature, and Depth Sensor
-
CTS
Course to Steer. The heading (in True degrees) to steer to achieve the next waypoint.
-
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).
-
DPC
Dynamic Payload Control
-
DPD
Diver Propulsion Device. A combat diving vehicle designed to transport two fully equipped combat divers and additional equipment on long range missions.
-
DSV
Deep Submergence Vehicle
-
DTN
Distance to Next. The distance to the next waypoint in the route.
-
DVL
Doppler Velocity Log
-
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.
-
EMI
Electromagnetic Interference
-
ENC
Electronic Navigational Chart
-
EPE
Estimated Position Error. Estimated error based on available navigation data.
-
FLS
Forward Looking Sonar
-
FOM
Figure Of Merit. A quantity used to characterize the performance of a device, system or method, relative to its alternatives.
-
GBS
Global Broadcast System
-
GigE
Gigabit Ethernet
-
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
-
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.
-
GUI
Graphical User Interface
-
ICD
Interface Control Document
-
IMU
Inertial Measurement Unit
-
INS
Inertial Navigation System.
-
LARS
Launch and Recovery System
-
LBL
Long Base Line acoustic positioning system
-
LCM
Lightweight Communications and Marshalling. A publish/subscribe message-passing system; targeted at real-time systems where high-bandwidth and low latency are critical.
-
LOS
Line of Sight
-
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
-
MLO
Mine Like Object
-
MOB
Man Overboard marker. Used in Workspace to record the position and attitude of the vehicle at the moment in time.
-
MPL
Mission Planning Laptop.
-
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.
-
NED
North East Down
-
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).
-
NTP
Network Time Protocol. A networking protocol for clock synchronization between computer systems over packet-switched, variable-latency data networks.
-
OEM
Original Equipment Manufacturer
-
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.
-
Path following
A control law that keeps the vehicle on the path between two waypoints.
-
PCB
Printed Circuit Board
-
PCOMMS
Primary Communications. Generic communications between vehicle components (devices, navigation, and control) and topside components (operator interfaces).
-
PCS
Payload Control Software
-
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.
-
POE
Project Opensea Environment. Also, in networking: Power over Ethernet.
-
POI
Point of Interest
-
RCOMMS
Remote Communications
-
RF
Radio Frequency
-
RNAV
Recon Navigation System
-
RNC
Raster Navigational Chart
-
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.
-
ROV
Remotely Operated Vehicle
-
SATCOM
Satellite Communications
-
SDI
Serial Digital Interface
-
SDK
Software Development Kit. A set of tools, guidelines, and programs used to develop applications for a specific platform.
-
SLAM
Simultaneous Localization and Mapping
-
SOG
Speed Over Ground. Current vehicle speed relative to the seabed.
-
TMS
Tether Management System
-
TTN
Time to Next. The time to the next waypoint in the route based on the present transit speed.
-
UAV
Unmanned Arial Vehicle
-
UI
User Interface
-
UMAA
Unmanned Maritime Autonomy Architecture
-
USBL
Ultra Short Base Line acoustic positioning system
-
USV
Unmanned Surface Vessel
-
UUV
Unmanned Underwater Vehicle.
-
VALOR
Versatile and Lightweight Observation ROV
-
vLBV
Vectored Little Benthic Vehicle
-
VM
Virtual Machine
-
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.
-
Waypoint Tolerance
Waypoint radius. When the vehicle reaches the waypoint tolerance it will consider the waypoint achieved.
-
WYSIWYG
"What You See Is What You Get"
-
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.
-
θ
Pitch. Vehicle movement around the Y axis. For example, the vehicle noses up or down.
-
Φ
Roll. Vehicle rotation about the X axis. This can be seen in body tilt from side to side.
-
Ψ
Yaw (heading). Vehicle rotational travel from the Z axis (vertical) or crablike movement.