[PSUBS-MAILIST] Environment and Control software

Mon Aug 10 19:58:15 EDT 2015

That's the one. Section 4 is all about alarms.

Sean

On August 10, 2015 2:23:32 PM MDT, Alan James via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>Sean, Jon,presume it's this guide dealing with
>shipshttp://www.eagle.org/eagleExternalPortalWEB/ShowProperty/BEA%20Repository/Rules%26Guides/Current/86_ApplicationsofErgonomicstoMarineSystems/Pub86_ErgoMarineSystems
>Great stuff, I will use this document as a guideline.Jon, you are doing
>a fantastic job documenting this. I will need to start on this within
>the next 6 months so are followingwith interest.Alan
>From: Sean T. Stevenson via Personal_Submersibles
><personal_submersibles at psubs.org>
>To: Personal Submersibles General Discussion
><personal_submersibles at psubs.org> 
> Sent: Tuesday, August 11, 2015 8:12 AM
> Subject: Re: [PSUBS-MAILIST] Environment and Control software
>   
>The ABS ergonomics guide has some info about alarm colours, sounds and
>behaviour which might be useful.Sean
>
>
>
>
>On August 10, 2015 1:39:02 PM MDT, Jon Wallace via
>Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>
>HI Cliff, thanks for the feedback.  Alarms are located on the left side
>
>under the yellow/black warning graphic.  Each one functions as both an 
>alert and alarm.  For example, a yellow alert lights up "DEPTH" at 500 
>feet to warn of approaching maximum depth.  At 600 feet it turns into a
>
>red alarm.  These alerts and alarms can only be disengaged by
>retreating 
>back to a non-alarm operating environment (ie.. decreasing depth to
>less 
>than 500 feet).  Audio alerts will accompany the visual ones.
>
>Depth is available on all displays in the lower left corner.  Data 
>logging is included and can be written to a USB drive and 'replayed' on
>
>any other computer that has the same software on it or even imported 
>into something like a spreadsheet.  However, if I end up with a tablet
>I 
>will likely log there directly.
>
>Battery information will be added when I get those sensors.  This
>design lends itself well to semi-automated control, for example typing
>in a 
>target depth of 100 feet and then letting the computer operate the 
>motors and monitor vertical rate of descent/ascent, slow down when 
>approaching the target depth, and then shutting off the motors at/near 
>target depth.
>
>A more distant and advanced project would be, I don't know, maybe 
>inertial navigation using an IMU.
>
>Jon
>
>
>On 8/10/2015 12:19 PM, Cliff Redus via Personal_Submersibles wrote:
>
> Jon, your first pass at HMI for your boat looks good. I like the 
> overall layout and data seems to be presented in logical and 
> straightforward manner. I think it would easy for someone other than 
> yourself to get the state of the boat from this HMI.
>
> On your DIVE panel, I would add a couple of items. ! Thefirst is the 
> battery SOC and air SOF(state of Fill, 0-100%). These are key 
> items for the home screen. Also, I would add a proximity switch on 
> hatch so that the hatch state is shown. This can also be used to 
> lockout diving the boat unless the hatch switch is closed. Also I 
> would add Altitude. Airmar has a sensor called the DST800 that gives 
> boat speed, depth (altitude) and water temperature. Signals comes in 
> as a RS-232 ASCII string that you parse. On the NAV screen, I would 
> include depth and altitude. On HIST screen, rather than looking at 
> min and max on key variable's, I would recommend that up set up data 
> logging and log all ship systems say every minute. Most PLCs and 
> associated HMIs have data logging capabilities. This allows you to 
> download all sensor measurements and switch states as a function of 
> time. This is useful to analyze how the boat performed after the dive 
> andalso serves a Black Box for the sub. I did not see any alarm 
> database. Need to be able to see and hear and audible alarms an such 
> items as low air pressure, O2 and CO2 out of range ...
>
> Best regards
>
> Cliff
>
>
>
>
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