asteroza + submarine   95

Power Generation | Singapore | Sun Cable
This ting is going to run a (10GW?!?) 3800Km HVDC power cable from Australia to Singapore...
long  distance  submarine  underwater  ocean  power  cable  HVDC 
8 weeks ago by asteroza
Off the Grid Power
So used submarine batteries are a thing...
submarine  battery  recycling  used 
june 2019 by asteroza
3 Carbon Dioxide | Emergency and Continuous Exposure Guidance Levels for Selected Submarine Contaminants: Volume 1 | The National Academies Press
Hrm, pages 53-55 suggest actual issues only in the 25000 ppm range, not the 1400ppm suggested by the harvard study, derived from submarine crew studies, but some of the studies had not a lot of study participants, and US Navy standards and expectations for crew may be somewhat different (currently they try to keep average 3500ppm and try to keep below 8000ppm, but they are also in a long term exposure environment where the body may adapt)(previously 4,100 ppm average with a range of 300-11,300 ppm)...
CO2  air  quality  health  medicine  safety  decision  navy  submarine  crew 
march 2019 by asteroza
Submarine Cable Monitoring System|voice data services monitoring
Oh hey, just some indian company openly selling submarine network cable taps...
india  submarine  cable  tap  hardware  surveillance  security  hacking  Delicious 
january 2017 by asteroza
Autonomous underwater camera - iBubble
Looks like it might be using a RaspberryPi, maybe APM/ArduSub?
UUV  drone  diver  support  video  camera  sub  submarine  hardware  electronics  devices  Delicious 
april 2016 by asteroza
Home - HSRW Submarine Team
Latest version uses twin overlapping fins in a scissor arm configuration for propulsion (see blog and facebook), rather than the earlier version that had the fins on arms outboard of the body vertically.
human  powered  submarine  sub  racing  flooded  submersible  marine  engineering  fin  undulating  propulsion  vehicle  transportation  research  technology  Delicious 
january 2015 by asteroza
Fauxfish's Blog on WordPress.com
Flooded cockpit style (thus SCUBA gear required) wooden submerisble...
wood  submarine  sub  submersible  batoid  marine  architecture  engineering  transportation  flooded  cockpit  Delicious 
october 2014 by asteroza
matterbetter | Typhoon Class Submarine open-ideas architectural competition
I guess there wasn't enough of a market to justify an under-ice cargo transport.
typhoon  submarine  retrofit  competition  Delicious 
july 2014 by asteroza
Marine Tech Factory - Propulsion
Interesting brushless DC motor design for underwater propulsors. On the face of it, I guess what they did was coat a conventional BLDC motor internals with some sort of waterproof coating, and fiddled with the shaft bearing seals. How well will it stand up to saltwater though?
AUV  submarine  devices  electronics  hardware  USV  ROV  propulsor  propulsion  motor  electric  DC  brushless  BLDC  underwater  Delicious 
november 2012 by asteroza
ACQUATICO - Online Ocean Exploration by 9th Sense Robotics — Kickstarter
9th Sense Robotics seems to be pushing for a wifi tethered RC sub. They mention solar power on the support buoy, but can you really gather enough juice to operate the sub and wifi, since it needs to fight wind drift and currents, while streaming HD video? If they can pull it off, this might become a toy for pleasure cruisers.
kickstarter  devices  electronics  hardware  tethered  exploration  remote  submarine  RC  ROV  wifi  AQUATICO  Delicious 
october 2012 by asteroza
China plans nuclear deep-sea mining base (Wired UK)
Uh, must be doing teleops for robotic recovery of seabed nodules (perhaps via daughter submersibles), because anything else would be easier to suck up to a surface barge
china  underwater  ocean  sea  seafloor  seabed  mineral  nodule  mining  nuclear  submarine  sub  hardware  electronics  devices  vessel  ship  transportation  platform  structure  offshore  marine  Delicious 
july 2012 by asteroza
OPENROV
Basically uses a small webcam and a cheap computer...
OpenROV  opensource  hardware  electronics  devices  ROV  submarine  drone  vehicle  kickstarter  underwater  robotics  robot  DIY  Delicious 
may 2012 by asteroza
Welcome to Penguin Automated Systems
Company specializing in remote control underground mining vehicles and equipment. Apparently a Dr.Greg Baiden has prototypes for a wireless optical high bandwidth communications system for underground remote mining operations (necessary for the high bandwidth/resolution video feeds to remote control mining vehicles and equipment). Long term aim is to use this with ROV/AUV underwater subs to cut the tether.
teleautonomy  long  range  wireless  radio  optical  communication  remote  mining  automation  control  technology  telepresence  research  robotic  avatar  underwater  AUV  RPV  ROV  submarine  Delicious 
february 2012 by asteroza
Underwater Viewing System, HydroView | Aquabotix Technology Corporation
Basically a cabled ROV that connects to a surface station thingy that doubles as a wifi accesspoint to access the ROV's HD video camera and remote control the ROV like a submarine. Sort of like the AR.drone quadcopter. Supposedly going to cover both iOS and android.
Aquabotix  HydroView  small  form  factor  compact  cable  control  ROV  submarine  HD  video  camera  hardware  electronics  devices  wifi  iPhone  android  app  software  RC  minisub  Delicious 
december 2011 by asteroza
Softbank founder backs Japan's shift to renewable energy | ITworld
Gee, people have been proposing an offshore HVDC grid intertie for japan for years. Why is he getting so much credit? Real balls is proposing interties to russia and korea up front rather than "later as part of a pan-asia supergrid". Also, needs to take some pointers from the guys at the other end of the supergrid, namely DESERTEC-australia.
Softbank  son  Masayoshi  japan  offshore  HVDC  grid  loop  smartgrid  submarine  ocean  power  cable  distribution  infrastructure  supergrid  Delicious 
september 2011 by asteroza
20110912_presentation_e.pdf (application/pdf Object)
So Son's saying what a lot of people have been talking about for a long time now, but he makes for a good spokesman. 4GW offshore HVDC supergrid intertie in the sea of japan, pan-asia links similar to DESERTEC, independent ISO/TSO to break the stranghold of regional oligopolies in japan and have fair feed-in tariff structures without wasted energy. No calls for grid energy storage though, though if a true supergrid is operating, it can be reduced or eliminated if the timezone spread is far enough. Also trotting out the national energy security horse too.
JREF  japan  energy  policy  pan-asia  asia  supergrid  grid  offshore  power  transmission  network  green  peak  shift  load  balance  independent  system  operator  ISO  TSO  cable  HVDC  marine  ocean  subsea  submarine  intertie  interconnector  national  infrastructure  security  independence  resource  Delicious 
september 2011 by asteroza
DARPA | DARPA ACTUV
A game to see if you can hunt subs well, using a stand-in unmanned drone vehicle. DARPA is basically crowdsourcing hunting strategies to codify into a tracking algorithm for the real drone, so it can go autonomous.
DARPA  ACTUV  submarine  antisubmarine  hunt  hunting  surface  underwater  warfare  ASW  simulation  simulator  game  USV  UUV  crowdsourcing  military  drone  autonomous  defense  attack  tracking  tactical  tactics  algorithm  Delicious 
april 2011 by asteroza
Innovative Flexblue concept: DCNS and partners AREVA, CEA and EDF to conduct validation study | DCNS
Basically a not very mobile nuclear submarine that exports power. Coolant is free, subsea power transfer cable isn't.
Flexblue  DCNS  AREVA  EDF  underwater  submarine  nuclear  reactor  SMR  power  generator  green  energy  offshore  structure  marine  ocean  Delicious 
january 2011 by asteroza
Hawkes Remotes - Homepage
Trying to short circuit the range issues of ROV's by using both on board batteries and a lightweight, non weight bearing fiber optic communications cable deployed from the ROV, rather than the mothership.
UUV  USV  ROV  RC  submarine  drone  robot  hardware  electronics  devices  ocean  marine  vehicle  wireless  tether  cable  Delicious 
december 2010 by asteroza
Revolutionary Communications System Promises New Generation of Untethered, Undersea Vehicles
200m range isn't much, but if you set up a mesh network of these near an underwater platform you could potentially do autonomous survey/monitoring runs. The other thought being dropping a long tether-like cable with these optical modems at 100m intervals with a small ROV at the bottom to drag around the end of the cable, operating like a mobile accesspoint for other ROV's and UUV's/AUV's. The military application would be a sonar buoy accesspoint connecting to a sonar module that drops below local thermoclines to see under them.
underwater  RC  submarine  UUV  AUV  ROV  short  range  communication  optical  modem  network  mesh  repeater  accesspoint  hardware  electronics  devices  technology  offshore  marine  subsea  Delicious 
october 2010 by asteroza
Japanese firm patents cold water-pumping submarines to reduce strength of typhoons - The Mainichi Daily News
Just a wee bit this side of crank, since there is the rather significant problem of keeping said submarine at the desired depth...
japan  patent  ocean  cold  water  seawater  upwelling  pump  submarine  typhoon  countermeasures  weather  modification  geoengineering  terraforming  Delicious 
september 2010 by asteroza
The Technology That Can Communicate Electronically Through Solid Steel - BAE Systems
BAe rigs up an acoustic information transfer system to cut the number of through-hull connectors on submarines, reducing the number of penetrations. Though I'm a little surprised they are using an acoustic system, as you would normally want to cut down on noise output, especially at anything with a sea interface. I guess the transmission power is sufficiently small enough not to go far. Couple this with a simple post shaped plug sticking out of the hull as part of an inductive power transfer system, and you could almost eliminate all through-hulls short of cooling water and waste related pipes.
BAe  military  research  underwater  submarine  hull  direct  transducer  communication  transmission  system  short  range  non-penetrative  non-penetrating  link  through-hull  high  speed  Delicious 
july 2010 by asteroza
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