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Old 04-22-2009, 02:09 PM   #101
kladue
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The software portion of the build is taking way more time than the construction did, but having nothing else to do nights and weekends it keeps me busy. The hardware and control sequence code is complete and functioning, still working on converting some of the older components to touch screen operation, database functions use mySql.
Basic structure is:
Hardware communication and initialzation with point data stored in database
Touch screens for analog point scaling and offsets for calibration, default flow settings for system, values stored in database
Touch screens for PID loop tuning, values are stored and retieved from database for use in automatic control sequence
Touch screen manual control for hardware testing
Touch screen input screens for batch setup, mashing, and hop addition parameters, values stored in database
Automatic calculation of water volumes and temperatures from batch information
Automatic control sequence with restart from last control function and elapsed time on power failure, values are stored and retrieved from database
Touch screen monitoring screens for process observation
Todo list:
Add graphing screen to system monitoring screens
Build touch screen import utility for use with other brewing software packages to import control schedule information into control sequence program

 
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Old 04-22-2009, 02:14 PM   #102
IrregularPulse
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WOW! Planning on selling this to Budweiser? This is a crazy homebrew setup!
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Old 04-22-2009, 04:32 PM   #103
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The time i get to planning something like this is when SWMBO would pull the plug on my homebrewing and tell me "You are out of control!"

 
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Old 04-22-2009, 05:44 PM   #104
Ol' Grog
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Sweet Mother Mary!!! That is one of the most beautiful things I've ever seen. If I had one of those, I'd be divorced, for sure. What has this cost so far?

 
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Old 04-22-2009, 05:45 PM   #105
kladue
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I guess I am lucky to have a SWMBO who brews and enters competitions with me and indulges my out of control tinkering with this R&D unit. So far the building was $3600, utilities for building $700, system hardware $2000+ (Never added it up), too many manhours to estimate in assembling components, welding, plumbing, wiring, software construction, and testing of assembled system. Still have to insulate and finish interior of brewing building, and chiller/heater bands for the carboy fermenters. Software is still under development for use on a touch screen panel computer to be mounted on panel #2, and I have not decided on final functionality limits yet, always one more "what if" to do.


 
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Old 04-24-2009, 06:43 PM   #106
Ol' Grog
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From what I've read so far, your going for a push button brew set up. Put all the ingredients in hoppers, think up a formula, punch them into the main computer and then the rest is done for you. That's just toooooo cool. This way, you could experiment with brews until the day you die. Could life get any sweeter for you??

 
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Old 04-26-2009, 02:59 AM   #107
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Very, very nice. That is even an understatement. Thank you for the post!!


 
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Old 05-18-2009, 01:30 AM   #108
kladue
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Here is some of the control graphics for operating the phase 2 system, everything is built for touch screen operation Picasa Web Albums - Kevin - Phase 2 Brewe..., the graphics did not convert to JPG format very well but are somewhat legible. The graphics and supporting code were assembled using Netbeans and Java( a PITA at times), with MySQL taking care of the database fuctions recording the point and configuration data for reuse and trending. I am almost done with the transition to touch screen control, next up is the file import code to upload the batch control values from recipe programs to save the effort of manual entry.

 
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Old 05-22-2009, 10:06 PM   #110
kladue
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The panel PC is installed in the second panel now, going to try for a test run this weekend if possible.

 
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