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Search: Posts Made By: Taylor Turner
Forum: LIVE PLC Questions And Answers May 12th, 2022, 01:28 PM
Replies: 14
Views: 1,582
Posted By Taylor Turner
Are you referring to dither?

Are you referring to dither?
Forum: LIVE PLC Questions And Answers April 28th, 2022, 03:56 PM
Replies: 50
Views: 4,714
Posted By Taylor Turner
Beautiful.

Beautiful.
Forum: LIVE PLC Questions And Answers April 26th, 2022, 03:01 PM
Replies: 50
Views: 4,714
Posted By Taylor Turner
NOT floating point, BUT it'll fetch three decimal...

NOT floating point, BUT it'll fetch three decimal places.

Weight := trunc(WeightRaw*1000)/1000;
Forum: LIVE PLC Questions And Answers April 7th, 2022, 04:44 PM
Replies: 25
Views: 23,354
Posted By Taylor Turner
I ran into this when trying to have IPM define...

I ran into this when trying to have IPM define ramp time.

TimeRamp.PRE := abs(SP - PVinit)/IPM*60000;


I was going to try and calculate an offset multiplier so the peak velocity doesn't...
Forum: LIVE PLC Questions And Answers April 4th, 2022, 03:07 PM
Replies: 2
Views: 473
Posted By Taylor Turner
Rockwell's Pos & Vel PID Forms

I've got quite a few questions to fire.



In the velocity form, why does the P term now act like the D term in the positional form?


The D term in the velocity form is a nifty equation, but...
Forum: LIVE PLC Questions And Answers April 4th, 2022, 01:49 PM
Replies: 8
Views: 1,063
Posted By Taylor Turner
%md24.1

%md24.1
Forum: LIVE PLC Questions And Answers March 2nd, 2022, 02:51 PM
Replies: 63
Views: 6,821
Posted By Taylor Turner
I was expecting reference articles. You're...

I was expecting reference articles.
You're referenced Alfa-Beta-Gamma article was very enlightening.
https://www.kalmanfilter.net/alphabeta.html
Forum: LIVE PLC Questions And Answers March 2nd, 2022, 12:26 PM
Replies: 63
Views: 6,821
Posted By Taylor Turner
Are the next applicable control theory algorithms...

Are the next applicable control theory algorithms significantly profitable? Kluged systems still fill chief sleazeball officer's pockets. Profit or requirement; that valve I pointed out only has that...
Forum: LIVE PLC Questions And Answers March 1st, 2022, 03:43 PM
Replies: 63
Views: 6,821
Posted By Taylor Turner
Hopefully, Beckwood will change your opinion on...

Hopefully, Beckwood will change your opinion on that matter in the near future. It's a matter of documentation now.


I actually used a Parker valve that has some system identification...
Forum: LIVE PLC Questions And Answers February 28th, 2022, 01:12 PM
Replies: 5
Views: 849
Posted By Taylor Turner
https://www.kistler.com/files/document/002-552e.pd...

https://www.kistler.com/files/document/002-552e.pdf


This is a really good read for understanding how strain measurement works.


The rod will have a flat area machined for the sensor...
Forum: LIVE PLC Questions And Answers February 28th, 2022, 10:41 AM
Replies: 5
Views: 849
Posted By Taylor Turner
The screen shot of the model shows 3 locations of...

The screen shot of the model shows 3 locations of applied force. The +/- 2 is arbitrary, and only describes the change in strain at the location of the sensor.


The chicken scratch is an actuator...
Forum: LIVE PLC Questions And Answers February 28th, 2022, 08:47 AM
Replies: 5
Views: 849
Posted By Taylor Turner
Strain gauge calibration and force distribution.

This is 99% a structural design flaw, but most people here have the capacity to manage this.


First, some R&D background. I have a strain gauge on the throat of a C frame press and the actuator...
Forum: LIVE PLC Questions And Answers February 25th, 2022, 09:00 AM
Replies: 63
Views: 6,821
Posted By Taylor Turner
Can you approach a set point higher than 71 or is...

Can you approach a set point higher than 71 or is that the limit of your process? Is your output saturating?



If open loop voltages are not getting you to or past your desired set point, your...
Forum: LIVE PLC Questions And Answers February 8th, 2022, 08:59 AM
Replies: 10
Views: 1,863
Posted By Taylor Turner
Minimal pump pressure during regen is sufficient...

Minimal pump pressure during regen is sufficient "braking." Braking to a position and expecting force is fortune telling. The open loop decel makes perfect sense, but it should still work with this...
Forum: LIVE PLC Questions And Answers February 7th, 2022, 01:27 PM
Replies: 10
Views: 1,863
Posted By Taylor Turner
Trying to program in a position for a decel when...

Trying to program in a position for a decel when you're expecting force is a nightmare. If you're off by a couple thou it sometimes means tens of tons punched on the part and god forbid the ...
Forum: LIVE PLC Questions And Answers February 4th, 2022, 01:32 PM
Replies: 10
Views: 1,863
Posted By Taylor Turner
The problem is apparent here, but not the...

The problem is apparent here, but not the solution




I'll tell that to the people that only say SPEED UP!
Forum: LIVE PLC Questions And Answers February 4th, 2022, 01:14 PM
Replies: 105
Views: 40,894
Posted By Taylor Turner
Checking the rate of stuffs //Sets sample...

Checking the rate of stuffs


//Sets sample rate
tonr(tSampleRate);
tSampleRate.PRE := 100;

if not tSampleRate.DN then
tSampleRate.Reset := 0;
tSampleRate.TimerEnable := 1;
Forum: LIVE PLC Questions And Answers February 4th, 2022, 12:56 PM
Replies: 30
Views: 3,376
Posted By Taylor Turner
Around here, force tuning on a Delta is a shot in...

Around here, force tuning on a Delta is a shot in the dark compared to the double slope position tuning.


Reading this though, I realize I may be doing it wrong.
Forum: LIVE PLC Questions And Answers February 4th, 2022, 12:10 PM
Replies: 10
Views: 1,863
Posted By Taylor Turner
Hydraulic Pressure Control (Hydraulic Design)

I want to share a trick and see if anyone can do better!


With hydraulic presses there is a point at the beginning of the actuator movement when it's pressing against air and the part/tooling has...
Forum: LIVE PLC Questions And Answers February 1st, 2022, 04:42 PM
Replies: 30
Views: 3,376
Posted By Taylor Turner
That code is over my head. I know "real-time" is...

That code is over my head. I know "real-time" is used too lightly, but I'm not even certain the plot is doing what it's supposed to...



y = .ACC from a one second timer
Forum: LIVE PLC Questions And Answers February 1st, 2022, 04:16 PM
Replies: 30
Views: 3,376
Posted By Taylor Turner
Oh, I wasn't sure if the picture had attached...

Oh, I wasn't sure if the picture had attached properly.


Additionally, I am running into a runtime error on that x axis (t). The blue is actually a one second timer .ACC value coming from the...
Forum: LIVE PLC Questions And Answers February 1st, 2022, 04:11 PM
Replies: 30
Views: 3,376
Posted By Taylor Turner
After further review, I had meant a snap to...

After further review, I had meant a snap to cursor function.
Forum: LIVE PLC Questions And Answers February 1st, 2022, 02:32 PM
Replies: 30
Views: 3,376
Posted By Taylor Turner
Thanks Peter! Small detail, but the dotted...

Thanks Peter!
Small detail, but the dotted actual for the step response is slick.


Is there a py module that reads from the delta? Not that the plots can get much better in Tools. I have a job...
Forum: LIVE PLC Questions And Answers February 1st, 2022, 12:05 PM
Replies: 30
Views: 3,376
Posted By Taylor Turner
Not implying for you to do the "next step." I...

Not implying for you to do the "next step." I still have hair to pull out.
Forum: LIVE PLC Questions And Answers February 1st, 2022, 12:02 PM
Replies: 30
Views: 3,376
Posted By Taylor Turner
dmroeder, thank you for the timely response! ...

dmroeder, thank you for the timely response!
That works like a charm. I tried .append at a point in time. Good to know how it was needing to be formatted.


I added a sample rate to give the...
Showing results 1 to 25 of 66

 
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