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Squidlian
Systems
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Updated:
3 August 2008
Payload
-
Video
camera
-
LED
(pair)
Sensor
Subsystem
-
Battery
temperature monitoring (deg C)
-
Power
monitoring (amperage, voltage, Watt-hr) for batteries and pumps
-
Sub's
ambient internal air temperature (deg C)
-
Water
temperature (deg C)
-
Flow
rate of water through propulsion system (kg/s)
-
Compass
-
Accelerometer
-
LED
beacon emitter
-
Humidity
detector / dew point alarm
-
Hull
breach alarm
Communications,
Command & Data Handling
-
Laptop
with ROV software
-
Cabling
-
Data
logging output
Guidance
Navigation Control
-
Arduino
Control (Phase 1)
-
Hyperterminal
Control (Phase 1.5)
-
ROV
GUI control elements (Phase 2)
-
Joystick
(Phase 3)
Structures
-
PVC
(Various)
-
PVC
glue
-
PVC
primer/cleaner
-
Cable
ties
-
Hose
clamps (Various)
-
Paint
(Various)
-
Pump
mounts
-
Clear
Acrylic Circle Extruded, 3" Diameter, .236" Thick
[McMaster Carr 8581K34]
-
Clear
Extruded Acrylic Round Tube 3" OD, 2-3/4" ID, 6' Length
[McMaster Carr 8532K23]
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Ethernet
port input
-
Wiring
harness connections from batteries to external propulsion
Propulsion
Objective:
to provide "fine" attitude pointing of payload and
translational motion authority in the Potomac River and swimming pools.
Forward
/ Back / Side to Side
Due
to the river conditions we should expect to need to be able to have the
craft move at > 5 knots maximum speed while cruise and fine handling
would occur at 1-3 knots. The maximum speed would be used for
dashes (for amusement) and to help the craft avoid trouble with the
current as required.
Note:
1 knot = 0.51444 m/s
-
Pumps
or Propeller (Various)
-
Nozzles
(Various)
Up
/ down
-
Ballast
tanks
-
Ballast
pump
Pitch
/ Yaw
-
Pumps
(Various)
-
Nozzles
(Various)
-
Linear
actuator
Roll
Thermal
/ Power
Power
-
Batteries
- to power lights, sensors, microcontrollers, thrusters, etc.
-
Wire
harness
-
Wire
-
Relays
- to connect power across multiple voltage levels
-
Fuses
for payload, microcontroller board, pumps, and Ethernet cable
-
Electro-static
discharge considerations
Thermal
-
Passive
cooling for microcontroller(s), batteries
-
Hot
case: on deck, transport in sun
-
Hot
case: in warm/hot water with active lights, camera, computing
-
Cold
case: in cold water / dark
-
Paint
color, convective/conductive/radiation processes
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