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#320273 - 01/21/20 01:04 PM Re: ReaderRant RoundTable for Winter 2020 [Re: Hamish Howl]
logtroll Offline
veteran

Registered: 04/26/10
Posts: 9872
Loc: One of the Mexicos
Originally Posted By: Hamish Howl
In absolutely unrelated news, my job does occasionally deliver on it's promises, and ungrateful grad student and myself have been asked to deliver a difficult technical solution in a manner that hasn't every actually been done before.

Okay, Iím hooked... reel me in. Spill the beans. Close the deal. Assuage my burning curiosity. Give it to me straight.

Greta doesnít toy with my emotions thisaway! cry
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#320275 - 01/21/20 03:08 PM Re: ReaderRant RoundTable for Winter 2020 [Re: logtroll]
Hamish Howl Online   content
newbie

Registered: 11/21/19
Posts: 402
Loc: Tucson, AZ
Originally Posted By: logtroll
Originally Posted By: Hamish Howl
In absolutely unrelated news, my job does occasionally deliver on it's promises, and ungrateful grad student and myself have been asked to deliver a difficult technical solution in a manner that hasn't every actually been done before.

Okay, Iím hooked... reel me in. Spill the beans. Close the deal. Assuage my burning curiosity. Give it to me straight.

Greta doesnít toy with my emotions thisaway! cry


I have to control temperature without using PID/SSRs or moving parts local to the heater element. In short, I can't use a timer of any kind in the actual circuit.

And I have to have a deadband of 2C. Again, without any kind of timer-type controller.

I have an elegant solution, but in practice it is not as pretty and elegant as it is on a whiteboard.
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#320276 - 01/21/20 04:17 PM Re: ReaderRant RoundTable for Winter 2020 [Re: Hamish Howl]
Jeffery J. Haas Offline
It's the Despair Quotient!
Carpal Tunnel

Registered: 08/03/04
Posts: 15069
Loc: Whittier, California
Originally Posted By: Hamish Howl
Originally Posted By: logtroll
Originally Posted By: Hamish Howl
In absolutely unrelated news, my job does occasionally deliver on it's promises, and ungrateful grad student and myself have been asked to deliver a difficult technical solution in a manner that hasn't every actually been done before.

Okay, Iím hooked... reel me in. Spill the beans. Close the deal. Assuage my burning curiosity. Give it to me straight.

Greta doesnít toy with my emotions thisaway! cry


I have to control temperature without using PID/SSRs or moving parts local to the heater element. In short, I can't use a timer of any kind in the actual circuit.

And I have to have a deadband of 2C. Again, without any kind of timer-type controller.

I have an elegant solution, but in practice it is not as pretty and elegant as it is on a whiteboard.


Definitely Loggy territory.
You two are a couple of geeks. The world is better with geeks in it.
_________________________
"The Best of the Leon Russell Festivals" DVD
deepfreezefilms.com

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#320280 - 01/21/20 05:01 PM Re: ReaderRant RoundTable for Winter 2020 [Re: Hamish Howl]
logtroll Offline
veteran

Registered: 04/26/10
Posts: 9872
Loc: One of the Mexicos
Originally Posted By: Hamish Howl
I have to control temperature without using PID/SSRs or moving parts local to the heater element. In short, I can't use a timer of any kind in the actual circuit.

And I have to have a deadband of 2C. Again, without any kind of timer-type controller.

Not to brag, or anything, but I barely have any idea what you are talking about.

Coincidentally, or perhaps the Fates have something to do with it, I spent four hours yesterday watching tutorials on the theory and operation of programmable logic controls. You see, I too am having challenges with controls, though mine are more in the shade of trying to control the guy who is supposed to be designing the control system. I haven't found a tutorial for that, yet.

Ergo, I am newly lingually woke to the likes of PID, CPU, PLC, cards, I/O, solid state relays, LED switches, ladder diagrams, scans, ... woke, but not necessary conversant. Si? Bueno!

How many milliwatts would have to be coursing through my personal grey matter based computer to understand your elegant solution?



Edited by logtroll (01/21/20 05:04 PM)
Edit Reason: added important info
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#320281 - 01/21/20 05:13 PM Re: ReaderRant RoundTable for Winter 2020 [Re: logtroll]
Hamish Howl Online   content
newbie

Registered: 11/21/19
Posts: 402
Loc: Tucson, AZ
Originally Posted By: logtroll
Originally Posted By: Hamish Howl
I have to control temperature without using PID/SSRs or moving parts local to the heater element. In short, I can't use a timer of any kind in the actual circuit.

And I have to have a deadband of 2C. Again, without any kind of timer-type controller.

Not to brag, or anything, but I barely have any idea what you are talking about.

Coincidentally, or perhaps the Fates have something to do with it, I spent four hours yesterday watching tutorials on the theory and operation of programmable logic controls. You see, I too am having challenges with controls, though mine are more in the shade of trying to control the guy who is supposed to be designing the control system. I haven't found a tutorial for that, yet.

Ergo, I am newly lingually woke to the likes of PID, CPU, PLC, cards, I/O, solid state relays, LED switches, ladder diagrams, scans, ... woke, but not necessary conversant. Si? Bueno!

How many milliwatts would have to be coursing through my personal grey matter based computer to understand your elegant solution?



I was fortunate enough to get it on PLCs when they were brand spanking new, and have more or less been forced to stay current.

And you program controls, but you can't control programmers. You feed them coffee or Jolt Cola, toss some ramen at them when they show signs of visible distress, and let them do their thing.
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#320283 - 01/21/20 05:30 PM Re: ReaderRant RoundTable for Winter 2020 [Re: Hamish Howl]
logtroll Offline
veteran

Registered: 04/26/10
Posts: 9872
Loc: One of the Mexicos
Originally Posted By: Hamish Howl
And you program controls, but you can't control programmers. You feed them coffee or Jolt Cola, toss some ramen at them when they show signs of visible distress, and let them do their thing.

Any hints as to where his "on" switch might be located?
_________________________
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#320284 - 01/21/20 05:35 PM Re: ReaderRant RoundTable for Winter 2020 [Re: logtroll]
Hamish Howl Online   content
newbie

Registered: 11/21/19
Posts: 402
Loc: Tucson, AZ
Originally Posted By: logtroll
Originally Posted By: Hamish Howl
And you program controls, but you can't control programmers. You feed them coffee or Jolt Cola, toss some ramen at them when they show signs of visible distress, and let them do their thing.

Any hints as to where his "on" switch might be located?


If you present him with a challenge and he races off with it into the sunset, you have a programmer.

If you present him with a challenge and he does nothing, you at best have a coder, which isn't the same thing, and he/she should be replaced.

It is important to always give programmers deadlines, and then occasionally mean mug and make ominous non-verbal noises from time to time. Understand that this deadline will have no bearing on the project (it will be done far ahead or far behind schedule), it's just part of the magic.
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#320286 - 01/21/20 05:47 PM Re: ReaderRant RoundTable for Winter 2020 [Re: Hamish Howl]
logtroll Offline
veteran

Registered: 04/26/10
Posts: 9872
Loc: One of the Mexicos
Good enough advice.

Unfortunately my guy is an entrepreneur with too many irons in the fire, and he is also a good friend.

I fear he fears me less that his other clients... I think I finally lit a fire under him yesterday by saying it has to get done this week, so I am preparing to do it myself (hence the four hour foray into Tutorial World). That presented a triple whammy of: 1) losing face; 2) losing a probable stake in the company; 3) concern that I would hurt my brain; and 3) worry that I'd make a screwed up mess and blame him for it.

We shall see...
_________________________
You canít solve a problem without first understanding what the problem is.

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#320287 - 01/21/20 05:50 PM Re: ReaderRant RoundTable for Winter 2020 [Re: logtroll]
Hamish Howl Online   content
newbie

Registered: 11/21/19
Posts: 402
Loc: Tucson, AZ
Originally Posted By: logtroll
Good enough advice.

Unfortunately my guy is an entrepreneur with too many irons in the fire, and he is also a good friend.

I fear he fears me less that his other clients... I think I finally lit a fire under him yesterday by saying it has to get done this week, so I am preparing to do it myself (hence the four hour foray into Tutorial World). That was a triple whammy of: 1) losing face; 2) losing a probable stake in the company; 3) concern that I would hurt my brain; and 3) worry that I'd make a screwed up mess and blame him for it.

We shall see...


This is why I never do business with friends. It never ends well.
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#320295 - 01/21/20 07:03 PM Re: ReaderRant RoundTable for Winter 2020 [Re: Greger]
Jeffery J. Haas Offline
It's the Despair Quotient!
Carpal Tunnel

Registered: 08/03/04
Posts: 15069
Loc: Whittier, California
I think we lured another new member this morning, and he's probably looking the place over right now.

Please welcome "roughdraft274" to the Rant.
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deepfreezefilms.com

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